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macports-base/m4/tcl.m4
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Ryan Schmidt 163752f5b7 Use "macOS" when OS version is unknown
2018-06-08 10:02:03 -05:00

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# This file is based on the tcl.m4 file distributed with Tcl 8.4
# Portions Copyright (2003) Apple Inc.
#
# Copyright and License for this file, copied verbatim from the official
# Tcl distribution, follows:
#
# This software is copyrighted by the Regents of the University of
# California, Sun Microsystems, Inc., Scriptics Corporation, ActiveState
# Corporation and other parties. The following terms apply to all files
# associated with the software unless explicitly disclaimed in
# individual files.
#
# The authors hereby grant permission to use, copy, modify, distribute,
# and license this software and its documentation for any purpose, provided
# that existing copyright notices are retained in all copies and that this
# notice is included verbatim in any distributions. No written agreement,
# license, or royalty fee is required for any of the authorized uses.
# Modifications to this software may be copyrighted by their authors
# and need not follow the licensing terms described here, provided that
# the new terms are clearly indicated on the first page of each file where
# they apply.
# IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
# FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
# ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
# DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
# IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
# NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
# MODIFICATIONS.
#
# GOVERNMENT USE: If you are acquiring this software on behalf of the
# U.S. government, the Government shall have only "Restricted Rights"
# in the software and related documentation as defined in the Federal
# Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you
# are acquiring the software on behalf of the Department of Defense, the
# software shall be classified as "Commercial Computer Software" and the
# Government shall have only "Restricted Rights" as defined in Clause
# 252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
# authors grant the U.S. Government and others acting in its behalf
# permission to use and distribute the software in accordance with the
# terms specified in this license.
#
#------------------------------------------------------------------------
# SC_PATH_TCLCONFIG --
#
# Locate the tclConfig.sh file and perform a sanity check on
# the Tcl compile flags
#
# Arguments:
# none
#
# Results:
#
# Adds the following arguments to configure:
# --with-tcl=...
#
# Defines the following vars:
# TCL_BIN_DIR Full path to the directory containing
# the tclConfig.sh file
#------------------------------------------------------------------------
AC_DEFUN(SC_PATH_TCLCONFIG, [
#
# Ok, lets find the tcl configuration
# First, look for one uninstalled.
# the alternative search directory is invoked by --with-tcl
#
if test x"${no_tcl}" = x ; then
# we reset no_tcl in case something fails here
no_tcl=true
AC_ARG_WITH(tcl, [ --with-tcl directory containing tcl configuration (tclConfig.sh)], with_tclconfig=${withval})
AC_MSG_CHECKING([for Tcl configuration])
AC_CACHE_VAL(ac_cv_c_tclconfig,[
# First check to see if --with-tcl was specified.
if test x"${with_tclconfig}" != x ; then
if test -f "${with_tclconfig}/tclConfig.sh" ; then
ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
else
AC_MSG_ERROR([${with_tclconfig} directory doesn't contain tclConfig.sh])
fi
fi
# then check for a private Tcl installation
if test x"${ac_cv_c_tclconfig}" = x ; then
for i in \
../tcl \
`ls -dr ../tcl[[8-9]].[[0-9]]* 2>/dev/null` \
../../tcl \
`ls -dr ../../tcl[[8-9]].[[0-9]]* 2>/dev/null` \
../../../tcl \
`ls -dr ../../../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do
if test -f "$i/unix/tclConfig.sh" ; then
ac_cv_c_tclconfig=`(cd $i/unix; pwd)`
break
fi
done
fi
# check in a few common install locations
if test x"${ac_cv_c_tclconfig}" = x ; then
for i in `ls -d ${libdir} 2>/dev/null` \
`ls -d /usr/lib 2>/dev/null` \
`ls -d /usr/local/lib 2>/dev/null` \
`ls -d /usr/contrib/lib 2>/dev/null` \
`ls -d /usr/pkg/lib 2>/dev/null` \
`ls -d /usr/local/lib/tcl8.5 2>/dev/null` \
`ls -d /usr/local/lib/tcl8.4 2>/dev/null` \
`ls -d /usr/lib/tcl8.5 2>/dev/null` \
`ls -d /usr/lib/tcl8.4 2>/dev/null` \
; do
if test -f "$i/tclConfig.sh" ; then
ac_cv_c_tclconfig=`(cd $i; pwd)`
break
fi
done
fi
# check in a few other private locations
if test x"${ac_cv_c_tclconfig}" = x ; then
for i in \
${srcdir}/../tcl \
`ls -dr ${srcdir}/../tcl[[8-9]].[[0-9]]* 2>/dev/null` ; do
if test -f "$i/unix/tclConfig.sh" ; then
ac_cv_c_tclconfig=`(cd $i/unix; pwd)`
break
fi
done
fi
])
if test x"${ac_cv_c_tclconfig}" = x ; then
TCL_BIN_DIR="# no Tcl configs found"
AC_MSG_ERROR(Can't find Tcl configuration definitions)
else
no_tcl=
TCL_BIN_DIR=${ac_cv_c_tclconfig}
AC_MSG_RESULT(found $TCL_BIN_DIR/tclConfig.sh)
fi
fi
])
#------------------------------------------------------------------------
# SC_PATH_TKCONFIG --
#
# Locate the tkConfig.sh file
#
# Arguments:
# none
#
# Results:
#
# Adds the following arguments to configure:
# --with-tk=...
#
# Defines the following vars:
# TK_BIN_DIR Full path to the directory containing
# the tkConfig.sh file
#------------------------------------------------------------------------
AC_DEFUN(SC_PATH_TKCONFIG, [
#
# Ok, lets find the tk configuration
# First, look for one uninstalled.
# the alternative search directory is invoked by --with-tk
#
if test x"${no_tk}" = x ; then
# we reset no_tk in case something fails here
no_tk=true
AC_ARG_WITH(tk, [ --with-tk directory containing tk configuration (tkConfig.sh)], with_tkconfig=${withval})
AC_MSG_CHECKING([for Tk configuration])
AC_CACHE_VAL(ac_cv_c_tkconfig,[
# First check to see if --with-tkconfig was specified.
if test x"${with_tkconfig}" != x ; then
if test -f "${with_tkconfig}/tkConfig.sh" ; then
ac_cv_c_tkconfig=`(cd ${with_tkconfig}; pwd)`
else
AC_MSG_ERROR([${with_tkconfig} directory doesn't contain tkConfig.sh])
fi
fi
# then check for a private Tk library
if test x"${ac_cv_c_tkconfig}" = x ; then
for i in \
../tk \
`ls -dr ../tk[[8-9]].[[0-9]]* 2>/dev/null` \
../../tk \
`ls -dr ../../tk[[8-9]].[[0-9]]* 2>/dev/null` \
../../../tk \
`ls -dr ../../../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do
if test -f "$i/unix/tkConfig.sh" ; then
ac_cv_c_tkconfig=`(cd $i/unix; pwd)`
break
fi
done
fi
# check in a few common install locations
if test x"${ac_cv_c_tkconfig}" = x ; then
for i in `ls -d ${libdir} 2>/dev/null` \
`ls -d /usr/local/lib 2>/dev/null` \
`ls -d /usr/contrib/lib 2>/dev/null` \
`ls -d /usr/lib 2>/dev/null` \
; do
if test -f "$i/tkConfig.sh" ; then
ac_cv_c_tkconfig=`(cd $i; pwd)`
break
fi
done
fi
# check in a few other private locations
if test x"${ac_cv_c_tkconfig}" = x ; then
for i in \
${srcdir}/../tk \
`ls -dr ${srcdir}/../tk[[8-9]].[[0-9]]* 2>/dev/null` ; do
if test -f "$i/unix/tkConfig.sh" ; then
ac_cv_c_tkconfig=`(cd $i/unix; pwd)`
break
fi
done
fi
])
if test x"${ac_cv_c_tkconfig}" = x ; then
TK_BIN_DIR="# no Tk configs found"
AC_MSG_WARN(Can't find Tk configuration definitions)
exit 0
else
no_tk=
TK_BIN_DIR=${ac_cv_c_tkconfig}
AC_MSG_RESULT(found $TK_BIN_DIR/tkConfig.sh)
fi
fi
])
#------------------------------------------------------------------------
# SC_LOAD_TCLCONFIG --
#
# Load the tclConfig.sh file
#
# Arguments:
#
# Requires the following vars to be set:
# TCL_BIN_DIR
#
# Results:
#
# Subst the following vars:
# TCL_BIN_DIR
# TCL_SRC_DIR
# TCL_LIB_FILE
#
#------------------------------------------------------------------------
AC_DEFUN(SC_LOAD_TCLCONFIG, [
AC_MSG_CHECKING([for existence of $TCL_BIN_DIR/tclConfig.sh])
if test -f "$TCL_BIN_DIR/tclConfig.sh" ; then
AC_MSG_RESULT([loading])
. $TCL_BIN_DIR/tclConfig.sh
else
AC_MSG_RESULT([file not found])
fi
#
# If the TCL_BIN_DIR is the build directory (not the install directory),
# then set the common variable name to the value of the build variables.
# For example, the variable TCL_LIB_SPEC will be set to the value
# of TCL_BUILD_LIB_SPEC. An extension should make use of TCL_LIB_SPEC
# instead of TCL_BUILD_LIB_SPEC since it will work with both an
# installed and uninstalled version of Tcl.
#
if test -f $TCL_BIN_DIR/Makefile ; then
TCL_LIB_SPEC=${TCL_BUILD_LIB_SPEC}
TCL_STUB_LIB_SPEC=${TCL_BUILD_STUB_LIB_SPEC}
TCL_STUB_LIB_PATH=${TCL_BUILD_STUB_LIB_PATH}
fi
#
# eval is required to do the TCL_DBGX substitution
#
eval "TCL_LIB_FILE=\"${TCL_LIB_FILE}\""
eval "TCL_LIB_FLAG=\"${TCL_LIB_FLAG}\""
eval "TCL_LIB_SPEC=\"${TCL_LIB_SPEC}\""
eval "TCL_STUB_LIB_FILE=\"${TCL_STUB_LIB_FILE}\""
eval "TCL_STUB_LIB_FLAG=\"${TCL_STUB_LIB_FLAG}\""
eval "TCL_STUB_LIB_SPEC=\"${TCL_STUB_LIB_SPEC}\""
AC_SUBST(TCL_VERSION)
AC_SUBST(TCL_BIN_DIR)
AC_SUBST(TCL_SRC_DIR)
AC_SUBST(TCL_LIB_FILE)
AC_SUBST(TCL_LIB_FLAG)
AC_SUBST(TCL_LIB_SPEC)
AC_SUBST(TCL_STUB_LIB_FILE)
AC_SUBST(TCL_STUB_LIB_FLAG)
AC_SUBST(TCL_STUB_LIB_SPEC)
])
#------------------------------------------------------------------------
# SC_LOAD_TKCONFIG --
#
# Load the tkConfig.sh file
#
# Arguments:
#
# Requires the following vars to be set:
# TK_BIN_DIR
#
# Results:
#
# Sets the following vars that should be in tkConfig.sh:
# TK_BIN_DIR
#------------------------------------------------------------------------
AC_DEFUN(SC_LOAD_TKCONFIG, [
AC_MSG_CHECKING([for existence of $TK_BIN_DIR/tkConfig.sh])
if test -f "$TK_BIN_DIR/tkConfig.sh" ; then
AC_MSG_RESULT([loading])
. $TK_BIN_DIR/tkConfig.sh
else
AC_MSG_RESULT([could not find $TK_BIN_DIR/tkConfig.sh])
fi
AC_SUBST(TK_VERSION)
AC_SUBST(TK_BIN_DIR)
AC_SUBST(TK_SRC_DIR)
AC_SUBST(TK_LIB_FILE)
])
#------------------------------------------------------------------------
# SC_ENABLE_SHARED --
#
# Allows the building of shared libraries
#
# Arguments:
# none
#
# Results:
#
# Adds the following arguments to configure:
# --enable-shared=yes|no
#
# Defines the following vars:
# STATIC_BUILD Used for building import/export libraries
# on Windows.
#
# Sets the following vars:
# SHARED_BUILD Value of 1 or 0
#------------------------------------------------------------------------
AC_DEFUN(SC_ENABLE_SHARED, [
AC_MSG_CHECKING([how to build libraries])
AC_ARG_ENABLE(shared,
[ --enable-shared build and link with shared libraries [--enable-shared]],
[tcl_ok=$enableval], [tcl_ok=yes])
if test "${enable_shared+set}" = set; then
enableval="$enable_shared"
tcl_ok=$enableval
else
tcl_ok=yes
fi
if test "$tcl_ok" = "yes" ; then
AC_MSG_RESULT([shared])
SHARED_BUILD=1
else
AC_MSG_RESULT([static])
SHARED_BUILD=0
AC_DEFINE([STATIC_BUILD], [1], [Define to 1 if static build is requested])
fi
])
#------------------------------------------------------------------------
# SC_ENABLE_FRAMEWORK --
#
# Allows the building of shared libraries into frameworks
#
# Arguments:
# none
#
# Results:
#
# Adds the following arguments to configure:
# --enable-framework=yes|no
#
# Sets the following vars:
# FRAMEWORK_BUILD Value of 1 or 0
#------------------------------------------------------------------------
AC_DEFUN(SC_ENABLE_FRAMEWORK, [
AC_MSG_CHECKING([how to package libraries])
AC_ARG_ENABLE(framework,
[ --enable-framework package shared libraries in frameworks [--disable-framework]],
[tcl_ok=$enableval], [tcl_ok=no])
if test "${enable_framework+set}" = set; then
enableval="$enable_framework"
tcl_ok=$enableval
else
tcl_ok=no
fi
if test "$tcl_ok" = "yes" ; then
AC_MSG_RESULT([framework])
FRAMEWORK_BUILD=1
if test "${SHARED_BUILD}" = "0" ; then
AC_MSG_WARN("Frameworks can only be built if --enable-shared is yes")
FRAMEWORK_BUILD=0
fi
else
AC_MSG_RESULT([standard shared library])
FRAMEWORK_BUILD=0
fi
])
#------------------------------------------------------------------------
# SC_ENABLE_THREADS --
#
# Specify if thread support should be enabled
#
# Arguments:
# none
#
# Results:
#
# Adds the following arguments to configure:
# --enable-threads
#
# Sets the following vars:
# THREADS_LIBS Thread library(s)
#
# Defines the following vars:
# TCL_THREADS
# _REENTRANT
# _THREAD_SAFE
#
#------------------------------------------------------------------------
AC_DEFUN(SC_ENABLE_THREADS, [
AC_MSG_CHECKING(for building with threads)
AC_ARG_ENABLE(threads, [ --enable-threads build with threads],
[tcl_ok=$enableval], [tcl_ok=no])
if test "$tcl_ok" = "yes"; then
AC_MSG_RESULT(yes)
TCL_THREADS=1
AC_DEFINE(TCL_THREADS)
# USE_THREAD_ALLOC tells us to try the special thread-based
# allocator that significantly reduces lock contention
AC_DEFINE(USE_THREAD_ALLOC)
AC_DEFINE(_REENTRANT)
AC_DEFINE(_THREAD_SAFE)
AC_CHECK_LIB(pthread,pthread_mutex_init,tcl_ok=yes,tcl_ok=no)
if test "$tcl_ok" = "no"; then
# Check a little harder for __pthread_mutex_init in the same
# library, as some systems hide it there until pthread.h is
# defined. We could alternatively do an AC_TRY_COMPILE with
# pthread.h, but that will work with libpthread really doesn't
# exist, like AIX 4.2. [Bug: 4359]
AC_CHECK_LIB(pthread,__pthread_mutex_init,tcl_ok=yes,tcl_ok=no)
fi
if test "$tcl_ok" = "yes"; then
# The space is needed
THREADS_LIBS=" -lpthread"
else
AC_CHECK_LIB(pthreads,pthread_mutex_init,tcl_ok=yes,tcl_ok=no)
if test "$tcl_ok" = "yes"; then
# The space is needed
THREADS_LIBS=" -lpthreads"
else
AC_CHECK_LIB(c,pthread_mutex_init,tcl_ok=yes,tcl_ok=no)
if test "$tcl_ok" = "no"; then
AC_CHECK_LIB(c_r,pthread_mutex_init,tcl_ok=yes,tcl_ok=no)
if test "$tcl_ok" = "yes"; then
# The space is needed
THREADS_LIBS=" -pthread"
else
TCL_THREADS=0
AC_MSG_WARN("Don t know how to find pthread lib on your system - you must disable thread support or edit the LIBS in the Makefile...")
fi
fi
fi
fi
# Does the pthread-implementation provide
# 'pthread_attr_setstacksize' ?
ac_saved_libs=$LIBS
LIBS="$LIBS $THREADS_LIBS"
AC_CHECK_FUNCS(pthread_attr_setstacksize)
LIBS=$ac_saved_libs
AC_CHECK_FUNCS(readdir_r)
else
TCL_THREADS=0
AC_MSG_RESULT([no (default)])
fi
AC_SUBST(TCL_THREADS)
])
#------------------------------------------------------------------------
# SC_ENABLE_SYMBOLS --
#
# Specify if debugging symbols should be used.
# Memory (TCL_MEM_DEBUG) and compile (TCL_COMPILE_DEBUG) debugging
# can also be enabled.
#
# Arguments:
# none
#
# Requires the following vars to be set in the Makefile:
# CFLAGS_DEBUG
# CFLAGS_OPTIMIZE
# LDFLAGS_DEBUG
# LDFLAGS_OPTIMIZE
#
# Results:
#
# Adds the following arguments to configure:
# --enable-symbols
#
# Defines the following vars:
# CFLAGS_DEFAULT Sets to $(CFLAGS_DEBUG) if true
# Sets to $(CFLAGS_OPTIMIZE) if false
# LDFLAGS_DEFAULT Sets to $(LDFLAGS_DEBUG) if true
# Sets to $(LDFLAGS_OPTIMIZE) if false
# DBGX Debug library extension
#
#------------------------------------------------------------------------
AC_DEFUN(SC_ENABLE_SYMBOLS, [
AC_MSG_CHECKING([for build with symbols])
AC_ARG_ENABLE(symbols, [ --enable-symbols build with debugging symbols [--disable-symbols]], [tcl_ok=$enableval], [tcl_ok=no])
# FIXME: Currently, LDFLAGS_DEFAULT is not used, it should work like CFLAGS_DEFAULT.
if test "$tcl_ok" = "no"; then
CFLAGS_DEFAULT='$(CFLAGS_OPTIMIZE)'
LDFLAGS_DEFAULT='$(LDFLAGS_OPTIMIZE)'
DBGX=""
AC_MSG_RESULT([no])
else
CFLAGS_DEFAULT='$(CFLAGS_DEBUG)'
LDFLAGS_DEFAULT='$(LDFLAGS_DEBUG)'
DBGX=g
if test "$tcl_ok" = "yes"; then
AC_MSG_RESULT([yes (standard debugging)])
fi
fi
AC_SUBST(CFLAGS_DEFAULT)
AC_SUBST(LDFLAGS_DEFAULT)
if test "$tcl_ok" = "mem" -o "$tcl_ok" = "all"; then
AC_DEFINE(TCL_MEM_DEBUG)
fi
if test "$tcl_ok" = "compile" -o "$tcl_ok" = "all"; then
AC_DEFINE(TCL_COMPILE_DEBUG)
AC_DEFINE(TCL_COMPILE_STATS)
fi
if test "$tcl_ok" != "yes" -a "$tcl_ok" != "no"; then
if test "$tcl_ok" = "all"; then
AC_MSG_RESULT([enabled symbols mem compile debugging])
else
AC_MSG_RESULT([enabled $tcl_ok debugging])
fi
fi
])
#------------------------------------------------------------------------
# SC_ENABLE_LANGINFO --
#
# Allows use of modern nl_langinfo check for better l10n.
# This is only relevant for Unix.
#
# Arguments:
# none
#
# Results:
#
# Adds the following arguments to configure:
# --enable-langinfo=yes|no (default is yes)
#
# Defines the following vars:
# HAVE_LANGINFO Triggers use of nl_langinfo if defined.
#
#------------------------------------------------------------------------
AC_DEFUN(SC_ENABLE_LANGINFO, [
AC_ARG_ENABLE(langinfo,
[ --enable-langinfo use nl_langinfo if possible to determine
encoding at startup, otherwise use old heuristic],
[langinfo_ok=$enableval], [langinfo_ok=yes])
HAVE_LANGINFO=0
if test "$langinfo_ok" = "yes"; then
if test "$langinfo_ok" = "yes"; then
AC_CHECK_HEADER(langinfo.h,[langinfo_ok=yes],[langinfo_ok=no])
fi
fi
AC_MSG_CHECKING([whether to use nl_langinfo])
if test "$langinfo_ok" = "yes"; then
AC_TRY_COMPILE([#include <langinfo.h>],
[nl_langinfo(CODESET);],[langinfo_ok=yes],[langinfo_ok=no])
if test "$langinfo_ok" = "no"; then
langinfo_ok="no (could not compile with nl_langinfo)";
fi
if test "$langinfo_ok" = "yes"; then
AC_DEFINE(HAVE_LANGINFO)
fi
fi
AC_MSG_RESULT([$langinfo_ok])
])
#--------------------------------------------------------------------
# SC_CONFIG_MANPAGES
#
# Decide whether to use symlinks for linking the manpages and
# whether to compress the manpages after installation.
#
# Arguments:
# none
#
# Results:
#
# Adds the following arguments to configure:
# --enable-man-symlinks
# --enable-man-compression=PROG
#
# Defines the following variable:
#
# MKLINKS_FLAGS - The apropriate flags for mkLinks
# according to the user's selection.
#
#--------------------------------------------------------------------
AC_DEFUN(SC_CONFIG_MANPAGES, [
AC_MSG_CHECKING([whether to use symlinks for manpages])
AC_ARG_ENABLE(man-symlinks,
[ --enable-man-symlinks use symlinks for the manpages],
test "$enableval" != "no" && MKLINKS_FLAGS="$MKLINKS_FLAGS --symlinks",
enableval="no")
AC_MSG_RESULT([$enableval])
AC_MSG_CHECKING([compression for manpages])
AC_ARG_ENABLE(man-compression,
[ --enable-man-compression=PROG
compress the manpages with PROG],
test "$enableval" = "yes" && echo && AC_MSG_ERROR([missing argument to --enable-man-compression])
test "$enableval" != "no" && MKLINKS_FLAGS="$MKLINKS_FLAGS --compress $enableval",
enableval="no")
AC_MSG_RESULT([$enableval])
AC_SUBST(MKLINKS_FLAGS)
])
#--------------------------------------------------------------------
# SC_CONFIG_CFLAGS
#
# Try to determine the proper flags to pass to the compiler
# for building shared libraries and other such nonsense.
#
# Arguments:
# none
#
# Results:
#
# Defines and substitutes the following vars:
#
# DL_OBJS - Name of the object file that implements dynamic
# loading for Tcl on this system.
# DL_LIBS - Library file(s) to include in tclsh and other base
# applications in order for the "load" command to work.
# LDFLAGS - Flags to pass to the compiler when linking object
# files into an executable application binary such
# as tclsh.
# LD_SEARCH_FLAGS-Flags to pass to ld, such as "-R /usr/local/tcl/lib",
# that tell the run-time dynamic linker where to look
# for shared libraries such as libtcl.so. Depends on
# the variable LIB_RUNTIME_DIR in the Makefile. Could
# be the same as CC_SEARCH_FLAGS if ${CC} is used to link.
# CC_SEARCH_FLAGS-Flags to pass to ${CC}, such as "-Wl,-rpath,/usr/local/tcl/lib",
# that tell the run-time dynamic linker where to look
# for shared libraries such as libtcl.so. Depends on
# the variable LIB_RUNTIME_DIR in the Makefile.
# MAKE_LIB - Command to execute to build the a library;
# differs when building shared or static.
# MAKE_STUB_LIB -
# Command to execute to build a stub library.
# INSTALL_LIB - Command to execute to install a library;
# differs when building shared or static.
# INSTALL_STUB_LIB -
# Command to execute to install a stub library.
# STLIB_LD - Base command to use for combining object files
# into a static library.
# SHLIB_CFLAGS - Flags to pass to cc when compiling the components
# of a shared library (may request position-independent
# code, among other things).
# SHLIB_LD - Base command to use for combining object files
# into a shared library.
# SHLIB_LD_FLAGS -Flags to pass when building a shared library. This
# differes from the SHLIB_CFLAGS as it is not used
# when building object files or executables.
# SHLIB_LD_LIBS - Dependent libraries for the linker to scan when
# creating shared libraries. This symbol typically
# goes at the end of the "ld" commands that build
# shared libraries. The value of the symbol is
# "${LIBS}" if all of the dependent libraries should
# be specified when creating a shared library. If
# dependent libraries should not be specified (as on
# SunOS 4.x, where they cause the link to fail, or in
# general if Tcl and Tk aren't themselves shared
# libraries), then this symbol has an empty string
# as its value.
# SHLIB_SUFFIX - Suffix to use for the names of dynamically loadable
# extensions. An empty string means we don't know how
# to use shared libraries on this platform.
# TCL_SHLIB_LD_EXTRAS - Additional element which are added to SHLIB_LD_LIBS
# TK_SHLIB_LD_EXTRAS for the build of Tcl and Tk, but not recorded in the
# tclConfig.sh, since they are only used for the build
# of Tcl and Tk.
# Examples: macOS records the library version and
# compatibility version in the shared library. But
# of course the Tcl version of this is only used for Tcl.
# LIB_SUFFIX - Specifies everything that comes after the "libfoo"
# in a static or shared library name, using the $VERSION variable
# to put the version in the right place. This is used
# by platforms that need non-standard library names.
# Examples: ${VERSION}.so.1.1 on NetBSD, since it needs
# to have a version after the .so, and ${VERSION}.a
# on AIX, since a shared library needs to have
# a .a extension whereas shared objects for loadable
# extensions have a .so extension. Defaults to
# ${VERSION}${SHLIB_SUFFIX}.
# TCL_NEEDS_EXP_FILE -
# 1 means that an export file is needed to link to a
# shared library.
# TCL_EXP_FILE - The name of the installed export / import file which
# should be used to link to the Tcl shared library.
# Empty if Tcl is unshared.
# TCL_BUILD_EXP_FILE -
# The name of the built export / import file which
# should be used to link to the Tcl shared library.
# Empty if Tcl is unshared.
# CFLAGS_DEBUG -
# Flags used when running the compiler in debug mode
# CFLAGS_OPTIMIZE -
# Flags used when running the compiler in optimize mode
# EXTRA_CFLAGS
#
#--------------------------------------------------------------------
AC_DEFUN(SC_CONFIG_CFLAGS, [
# Step 0.a: Enable 64 bit support?
AC_MSG_CHECKING([if 64bit support is requested])
AC_ARG_ENABLE(64bit,[ --enable-64bit enable 64bit support (where applicable)],,enableval="no")
if test "$enableval" = "yes"; then
do64bit=yes
else
do64bit=no
fi
AC_MSG_RESULT($do64bit)
# Step 0.b: Enable Solaris 64 bit VIS support?
AC_MSG_CHECKING([if 64bit Sparc VIS support is requested])
AC_ARG_ENABLE(64bit-vis,[ --enable-64bit-vis enable 64bit Sparc VIS support],,enableval="no")
if test "$enableval" = "yes"; then
# Force 64bit on with VIS
do64bit=yes
do64bitVIS=yes
else
do64bitVIS=no
fi
AC_MSG_RESULT($do64bitVIS)
# Step 1: set the variable "system" to hold the name and version number
# for the system. This can usually be done via the "uname" command, but
# there are a few systems, like Next, where this doesn't work.
AC_MSG_CHECKING([system version (for dynamic loading)])
if test -f /usr/lib/NextStep/software_version; then
system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
else
system=`uname -s`-`uname -r`
if test "$?" -ne 0 ; then
AC_MSG_RESULT([unknown (can't find uname command)])
system=unknown
else
# Special check for weird MP-RAS system (uname returns weird
# results, and the version is kept in special file).
if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then
system=MP-RAS-`awk '{print $3}' /etc/.relid'`
fi
if test "`uname -s`" = "AIX" ; then
system=AIX-`uname -v`.`uname -r`
fi
AC_MSG_RESULT($system)
fi
fi
# Step 2: check for existence of -ldl library. This is needed because
# Linux can use either -ldl or -ldld for dynamic loading.
AC_CHECK_LIB(dl, dlopen, have_dl=yes, have_dl=no)
# Require ranlib early so we can override it in special cases below.
AC_REQUIRE([AC_PROG_RANLIB])
# Step 3: set configuration options based on system name and version.
do64bit_ok=no
EXTRA_CFLAGS=""
TCL_EXPORT_FILE_SUFFIX=""
UNSHARED_LIB_SUFFIX=""
TCL_TRIM_DOTS='`echo ${VERSION} | tr -d .`'
ECHO_VERSION='`echo ${VERSION}`'
TCL_LIB_VERSIONS_OK=ok
CFLAGS_DEBUG=-g
CFLAGS_OPTIMIZE=-O
if test "$GCC" = "yes" ; then
CFLAGS_WARNING="-Wall -Wconversion -Wno-implicit-int"
else
CFLAGS_WARNING=""
fi
TCL_NEEDS_EXP_FILE=0
TCL_BUILD_EXP_FILE=""
TCL_EXP_FILE=""
dnl FIXME: Replace AC_CHECK_PROG with AC_CHECK_TOOL once cross compiling is fixed.
dnl AC_CHECK_TOOL(AR, ar)
AC_CHECK_PROG(AR, ar, ar)
if test "${AR}" = "" ; then
AC_MSG_ERROR([Required archive tool 'ar' not found on PATH.])
fi
STLIB_LD='${AR} cr'
LD_LIBRARY_PATH_VAR="LD_LIBRARY_PATH"
PLAT_OBJS=""
case $system in
AIX-5.*)
if test "${TCL_THREADS}" = "1" -a "$GCC" != "yes" ; then
# AIX requires the _r compiler when gcc isn't being used
if test "${CC}" != "cc_r" ; then
CC=${CC}_r
fi
AC_MSG_RESULT(Using $CC for compiling with threads)
fi
LIBS="$LIBS -lc"
# AIX-5 uses ELF style dynamic libraries
SHLIB_CFLAGS=""
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
if test "`uname -m`" = "ia64" ; then
# AIX-5 uses ELF style dynamic libraries on IA-64, but not PPC
SHLIB_LD="/usr/ccs/bin/ld -G -z text"
# AIX-5 has dl* in libc.so
DL_LIBS=""
if test "$GCC" = "yes" ; then
CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
else
CC_SEARCH_FLAGS='-R${LIB_RUNTIME_DIR}'
fi
LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
else
SHLIB_LD="${TCL_SRC_DIR}/unix/ldAix /bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512 -bnoentry"
DL_LIBS="-ldl"
CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
TCL_NEEDS_EXP_FILE=1
TCL_EXPORT_FILE_SUFFIX='${VERSION}\$\{DBGX\}.exp'
fi
# Note: need the LIBS below, otherwise Tk won't find Tcl's
# symbols when dynamically loaded into tclsh.
DL_OBJS="tclLoadDl.o"
LDFLAGS=""
LD_LIBRARY_PATH_VAR="LIBPATH"
# Check to enable 64-bit flags for compiler/linker
if test "$do64bit" = "yes" ; then
if test "$GCC" = "yes" ; then
AC_MSG_WARN("64bit mode not supported with GCC on $system")
else
do64bit_ok=yes
EXTRA_CFLAGS="-q64"
LDFLAGS="-q64"
RANLIB="${RANLIB} -X64"
AR="${AR} -X64"
SHLIB_LD_FLAGS="-b64"
fi
fi
;;
AIX-*)
if test "${TCL_THREADS}" = "1" -a "$GCC" != "yes" ; then
# AIX requires the _r compiler when gcc isn't being used
if test "${CC}" != "cc_r" ; then
CC=${CC}_r
fi
AC_MSG_RESULT(Using $CC for compiling with threads)
fi
LIBS="$LIBS -lc"
SHLIB_CFLAGS=""
SHLIB_LD="${TCL_SRC_DIR}/unix/ldAix /bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512 -bnoentry"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS=""
CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
LD_LIBRARY_PATH_VAR="LIBPATH"
TCL_NEEDS_EXP_FILE=1
TCL_EXPORT_FILE_SUFFIX='${VERSION}\$\{DBGX\}.exp'
# AIX v<=4.1 has some different flags than 4.2+
if test "$system" = "AIX-4.1" -o "`uname -v`" -lt "4" ; then
LIBOBJS="$LIBOBJS tclLoadAix.o"
DL_LIBS="-lld"
fi
# On AIX <=v4 systems, libbsd.a has to be linked in to support
# non-blocking file IO. This library has to be linked in after
# the MATH_LIBS or it breaks the pow() function. The way to
# insure proper sequencing, is to add it to the tail of MATH_LIBS.
# This library also supplies gettimeofday.
#
# AIX does not have a timezone field in struct tm. When the AIX
# bsd library is used, the timezone global and the gettimeofday
# methods are to be avoided for timezone deduction instead, we
# deduce the timezone by comparing the localtime result on a
# known GMT value.
AC_CHECK_LIB(bsd, gettimeofday, libbsd=yes, libbsd=no)
if test $libbsd = yes; then
MATH_LIBS="$MATH_LIBS -lbsd"
AC_DEFINE(USE_DELTA_FOR_TZ)
fi
# Check to enable 64-bit flags for compiler/linker
if test "$do64bit" = "yes" ; then
if test "$GCC" = "yes" ; then
AC_MSG_WARN("64bit mode not supported with GCC on $system")
else
do64bit_ok=yes
EXTRA_CFLAGS="-q64"
LDFLAGS="-q64"
RANLIB="${RANLIB} -X64"
AR="${AR} -X64"
SHLIB_LD_FLAGS="-b64"
fi
fi
;;
BSD/OS-2.1*|BSD/OS-3*)
SHLIB_CFLAGS=""
SHLIB_LD="shlicc -r"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
BSD/OS-4.*)
SHLIB_CFLAGS="-export-dynamic -fPIC"
SHLIB_LD="cc -shared"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS="-export-dynamic"
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
dgux*)
SHLIB_CFLAGS="-K PIC"
SHLIB_LD="cc -G"
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
HP-UX-*.11.*)
# Use updated header definitions where possible
AC_DEFINE(_XOPEN_SOURCE) # Use the XOPEN network library
AC_DEFINE(_XOPEN_SOURCE_EXTENDED) # Use the XOPEN network library
LIBS="$LIBS -lxnet" # Use the XOPEN network library
SHLIB_SUFFIX=".sl"
AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
if test "$tcl_ok" = yes; then
SHLIB_CFLAGS="+z"
SHLIB_LD="ld -b"
SHLIB_LD_LIBS='${LIBS}'
DL_OBJS="tclLoadShl.o"
DL_LIBS="-ldld"
LDFLAGS="-Wl,-E"
CC_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.'
LD_SEARCH_FLAGS='+s +b ${LIB_RUNTIME_DIR}:.'
LD_LIBRARY_PATH_VAR="SHLIB_PATH"
fi
# Users may want PA-RISC 1.1/2.0 portable code - needs HP cc
#EXTRA_CFLAGS="+DAportable"
# Check to enable 64-bit flags for compiler/linker
if test "$do64bit" = "yes" ; then
if test "$GCC" = "yes" ; then
hpux_arch=`gcc -dumpmachine`
case $hpux_arch in
hppa64*)
# 64-bit gcc in use. Fix flags for GNU ld.
do64bit_ok=yes
SHLIB_LD="gcc -shared"
SHLIB_LD_LIBS=""
LD_SEARCH_FLAGS=''
CC_SEARCH_FLAGS=''
;;
*)
AC_MSG_WARN("64bit mode not supported with GCC on $system")
;;
esac
else
do64bit_ok=yes
if test "`uname -m`" = "ia64" ; then
EXTRA_CFLAGS="+DD64"
LDFLAGS="+DD64 $LDFLAGS"
else
EXTRA_CFLAGS="+DA2.0W"
LDFLAGS="+DA2.0W $LDFLAGS"
fi
fi
fi
;;
HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*)
SHLIB_SUFFIX=".sl"
AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no)
if test "$tcl_ok" = yes; then
SHLIB_CFLAGS="+z"
SHLIB_LD="ld -b"
SHLIB_LD_LIBS=""
DL_OBJS="tclLoadShl.o"
DL_LIBS="-ldld"
LDFLAGS="-Wl,-E"
CC_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.'
LD_SEARCH_FLAGS='+s +b ${LIB_RUNTIME_DIR}:.'
LD_LIBRARY_PATH_VAR="SHLIB_PATH"
fi
;;
IRIX-4.*)
SHLIB_CFLAGS="-G 0"
SHLIB_SUFFIX=".a"
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
SHLIB_LD_LIBS='${LIBS}'
DL_OBJS="tclLoadAout.o"
DL_LIBS=""
LDFLAGS="-Wl,-D,08000000"
CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a'
;;
IRIX-5.*)
SHLIB_CFLAGS=""
SHLIB_LD="ld -shared -rdata_shared"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS=""
CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
EXTRA_CFLAGS=""
LDFLAGS=""
;;
IRIX-6.*|IRIX64-6.5*)
SHLIB_CFLAGS=""
SHLIB_LD="ld -n32 -shared -rdata_shared"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS=""
CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
if test "$GCC" = "yes" ; then
EXTRA_CFLAGS="-mabi=n32"
LDFLAGS="-mabi=n32"
else
case $system in
IRIX-6.3)
# Use to build 6.2 compatible binaries on 6.3.
EXTRA_CFLAGS="-n32 -D_OLD_TERMIOS"
;;
*)
EXTRA_CFLAGS="-n32"
;;
esac
LDFLAGS="-n32"
fi
;;
IRIX64-6.*)
SHLIB_CFLAGS=""
SHLIB_LD="ld -n32 -shared -rdata_shared"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS=""
LDFLAGS=""
CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
# Check to enable 64-bit flags for compiler/linker
if test "$do64bit" = "yes" ; then
if test "$GCC" = "yes" ; then
AC_MSG_WARN([64bit mode not supported by gcc])
else
do64bit_ok=yes
SHLIB_LD="ld -64 -shared -rdata_shared"
EXTRA_CFLAGS="-64"
LDFLAGS="-64"
fi
fi
;;
Linux*)
SHLIB_CFLAGS="-fPIC"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
# egcs-2.91.66 on Redhat Linux 6.0 generates lots of warnings
# when you inline the string and math operations. Turn this off to
# get rid of the warnings.
CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
if test "$have_dl" = yes; then
SHLIB_LD="${CC} -shared"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS="-rdynamic"
CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
else
AC_CHECK_HEADER(dld.h, [
SHLIB_LD="ld -shared"
DL_OBJS="tclLoadDld.o"
DL_LIBS="-ldld"
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""])
fi
if test "`uname -m`" = "alpha" ; then
EXTRA_CFLAGS="-mieee"
fi
# The combo of gcc + glibc has a bug related
# to inlining of functions like strtod(). The
# -fno-builtin flag should address this problem
# but it does not work. The -fno-inline flag
# is kind of overkill but it works.
# Disable inlining only when one of the
# files in compat/*.c is being linked in.
if test x"${LIBOBJS}" != x ; then
EXTRA_CFLAGS="${EXTRA_CFLAGS} -fno-inline"
fi
# XIM peeking works under XFree86.
AC_DEFINE(PEEK_XCLOSEIM)
;;
GNU*)
SHLIB_CFLAGS="-fPIC"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
if test "$have_dl" = yes; then
SHLIB_LD="${CC} -shared"
DL_OBJS=""
DL_LIBS="-ldl"
LDFLAGS="-rdynamic"
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
else
AC_CHECK_HEADER(dld.h, [
SHLIB_LD="ld -shared"
DL_OBJS=""
DL_LIBS="-ldld"
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""])
fi
if test "`uname -m`" = "alpha" ; then
EXTRA_CFLAGS="-mieee"
fi
;;
MP-RAS-02*)
SHLIB_CFLAGS="-K PIC"
SHLIB_LD="cc -G"
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
MP-RAS-*)
SHLIB_CFLAGS="-K PIC"
SHLIB_LD="cc -G"
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS="-Wl,-Bexport"
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
NetBSD-*|FreeBSD-[[1-2]].*|OpenBSD-*)
# Not available on all versions: check for include file.
AC_CHECK_HEADER(dlfcn.h, [
# NetBSD/SPARC needs -fPIC, -fpic will not do.
SHLIB_CFLAGS="-fPIC"
SHLIB_LD="ld -Bshareable -x"
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS=""
LDFLAGS=""
CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
AC_MSG_CHECKING(for ELF)
AC_EGREP_CPP(yes, [
#ifdef __ELF__
yes
#endif
],
AC_MSG_RESULT(yes)
SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so',
AC_MSG_RESULT(no)
SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1.0'
)
], [
SHLIB_CFLAGS=""
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".a"
DL_OBJS="tclLoadAout.o"
DL_LIBS=""
LDFLAGS=""
CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a'
])
# FreeBSD doesn't handle version numbers with dots.
UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a'
TCL_LIB_VERSIONS_OK=nodots
;;
FreeBSD-*)
# FreeBSD 3.* and greater have ELF.
SHLIB_CFLAGS="-fPIC"
SHLIB_LD="ld -Bshareable -x"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS=""
LDFLAGS="-export-dynamic"
CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
if test "${TCL_THREADS}" = "1" ; then
# The -pthread needs to go in the CFLAGS, not LIBS
LIBS=`echo $LIBS | sed s/-pthread//`
EXTRA_CFLAGS="-pthread"
LDFLAGS="$LDFLAGS -pthread"
fi
case $system in
FreeBSD-3.*)
# FreeBSD-3 doesn't handle version numbers with dots.
UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a'
SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so'
TCL_LIB_VERSIONS_OK=nodots
;;
esac
;;
Rhapsody-*|Darwin-*)
SHLIB_CFLAGS="-fno-common"
SHLIB_LD="cc -dynamiclib \${LDFLAGS}"
TCL_SHLIB_LD_EXTRAS="-compatibility_version ${TCL_VERSION} -current_version \${VERSION} -install_name \${DYLIB_INSTALL_DIR}/\${TCL_LIB_FILE} -prebind -seg1addr 0xa000000"
TK_SHLIB_LD_EXTRAS="-compatibility_version ${TK_VERSION} -current_version \${VERSION} -install_name \${DYLIB_INSTALL_DIR}/\${TK_LIB_FILE} -prebind -seg1addr 0xb000000"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".dylib"
DL_OBJS="tclLoadDyld.o"
PLAT_OBJS="tclMacOSXBundle.o"
DL_LIBS=""
LDFLAGS="-prebind"
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
CFLAGS_OPTIMIZE="-Os"
LD_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH"
# for compatibility with autoconf vers 2.13 :
HACK=""
EXTRA_CFLAGS="-DMA${HACK}C_OSX_TCL -DHAVE_CFBUNDLE -DUSE_VFORK -DTCL_DEFAULT_ENCODING=\\\"utf-8\\\""
LIBS="$LIBS -framework CoreFoundation"
;;
NEXTSTEP-*)
SHLIB_CFLAGS=""
SHLIB_LD="cc -nostdlib -r"
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadNext.o"
DL_LIBS=""
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
OS/390-*)
CFLAGS_OPTIMIZE="" # Optimizer is buggy
AC_DEFINE(_OE_SOCKETS) # needed in sys/socket.h
;;
OSF1-1.0|OSF1-1.1|OSF1-1.2)
# OSF/1 1.[012] from OSF, and derivatives, including Paragon OSF/1
SHLIB_CFLAGS=""
# Hack: make package name same as library name
SHLIB_LD='ld -R -export $@:'
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadOSF.o"
DL_LIBS=""
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
OSF1-1.*)
# OSF/1 1.3 from OSF using ELF, and derivatives, including AD2
SHLIB_CFLAGS="-fPIC"
if test "$SHARED_BUILD" = "1" ; then
SHLIB_LD="ld -shared"
else
SHLIB_LD="ld -non_shared"
fi
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS=""
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
OSF1-V*)
# Digital OSF/1
SHLIB_CFLAGS=""
if test "$SHARED_BUILD" = "1" ; then
SHLIB_LD='ld -shared -expect_unresolved "*"'
else
SHLIB_LD='ld -non_shared -expect_unresolved "*"'
fi
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS=""
LDFLAGS=""
CC_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS='-rpath ${LIB_RUNTIME_DIR}'
if test "$GCC" != "yes" ; then
EXTRA_CFLAGS="-DHAVE_TZSET -std1"
fi
# see pthread_intro(3) for pthread support on osf1, k.furukawa
if test "${TCL_THREADS}" = "1" ; then
EXTRA_CFLAGS="${EXTRA_CFLAGS} -DHAVE_PTHREAD_ATTR_SETSTACKSIZE"
EXTRA_CFLAGS="${EXTRA_CFLAGS} -DTCL_THREAD_STACK_MIN=PTHREAD_STACK_MIN*64"
LIBS=`echo $LIBS | sed s/-lpthreads//`
if test "$GCC" = "yes" ; then
LIBS="$LIBS -lpthread -lmach -lexc"
else
EXTRA_CFLAGS="${EXTRA_CFLAGS} -pthread"
LDFLAGS="-pthread"
fi
fi
;;
QNX-6*)
# QNX RTP
# This may work for all QNX, but it was only reported for v6.
SHLIB_CFLAGS="-fPIC"
SHLIB_LD="ld -Bshareable -x"
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
# dlopen is in -lc on QNX
DL_LIBS=""
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
RISCos-*)
SHLIB_CFLAGS="-G 0"
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".a"
DL_OBJS="tclLoadAout.o"
DL_LIBS=""
LDFLAGS="-Wl,-D,08000000"
CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
;;
SCO_SV-3.2*)
# Note, dlopen is available only on SCO 3.2.5 and greater. However,
# this test works, since "uname -s" was non-standard in 3.2.4 and
# below.
if test "$GCC" = "yes" ; then
SHLIB_CFLAGS="-fPIC -melf"
LDFLAGS="-melf -Wl,-Bexport"
else
SHLIB_CFLAGS="-Kpic -belf"
LDFLAGS="-belf -Wl,-Bexport"
fi
SHLIB_LD="ld -G"
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
SINIX*5.4*)
SHLIB_CFLAGS="-K PIC"
SHLIB_LD="cc -G"
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
SunOS-4*)
SHLIB_CFLAGS="-PIC"
SHLIB_LD="ld"
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS=""
CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
# SunOS can't handle version numbers with dots in them in library
# specs, like -ltcl7.5, so use -ltcl75 instead. Also, it
# requires an extra version number at the end of .so file names.
# So, the library has to have a name like libtcl75.so.1.0
SHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.so.1.0'
UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}\$\{DBGX\}.a'
TCL_LIB_VERSIONS_OK=nodots
;;
SunOS-5.[[0-6]]*)
# Note: If _REENTRANT isn't defined, then Solaris
# won't define thread-safe library routines.
AC_DEFINE(_REENTRANT)
AC_DEFINE(_POSIX_PTHREAD_SEMANTICS)
SHLIB_CFLAGS="-KPIC"
# Note: need the LIBS below, otherwise Tk won't find Tcl's
# symbols when dynamically loaded into tclsh.
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS=""
if test "$GCC" = "yes" ; then
SHLIB_LD="$CC -shared"
CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
else
SHLIB_LD="/usr/ccs/bin/ld -G -z text"
CC_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
fi
;;
SunOS-5*)
# Note: If _REENTRANT isn't defined, then Solaris
# won't define thread-safe library routines.
AC_DEFINE(_REENTRANT)
AC_DEFINE(_POSIX_PTHREAD_SEMANTICS)
SHLIB_CFLAGS="-KPIC"
LDFLAGS=""
# Check to enable 64-bit flags for compiler/linker
if test "$do64bit" = "yes" ; then
arch=`isainfo`
if test "$arch" = "sparcv9 sparc" ; then
if test "$GCC" = "yes" ; then
AC_MSG_WARN("64bit mode not supported with GCC on $system")
else
do64bit_ok=yes
if test "$do64bitVIS" = "yes" ; then
EXTRA_CFLAGS="-xarch=v9a"
LDFLAGS="-xarch=v9a"
else
EXTRA_CFLAGS="-xarch=v9"
LDFLAGS="-xarch=v9"
fi
fi
else
AC_MSG_WARN("64bit mode only supported sparcv9 system")
fi
fi
# Note: need the LIBS below, otherwise Tk won't find Tcl's
# symbols when dynamically loaded into tclsh.
SHLIB_LD_LIBS='${LIBS}'
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
if test "$GCC" = "yes" ; then
SHLIB_LD="$CC -shared"
CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
else
SHLIB_LD="/usr/ccs/bin/ld -G -z text"
CC_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
fi
;;
ULTRIX-4.*)
SHLIB_CFLAGS="-G 0"
SHLIB_SUFFIX=".a"
SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0"
SHLIB_LD_LIBS='${LIBS}'
DL_OBJS="tclLoadAout.o"
DL_LIBS=""
LDFLAGS="-Wl,-D,08000000"
CC_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
LD_SEARCH_FLAGS=${CC_SEARCH_FLAGS}
if test "$GCC" != "yes" ; then
EXTRA_CFLAGS="-DHAVE_TZSET -std1"
fi
;;
UNIX_SV* | UnixWare-5*)
SHLIB_CFLAGS="-KPIC"
SHLIB_LD="cc -G"
SHLIB_LD_LIBS=""
SHLIB_SUFFIX=".so"
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
# Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers
# that don't grok the -Bexport option. Test that it does.
hold_ldflags=$LDFLAGS
AC_MSG_CHECKING(for ld accepts -Bexport flag)
LDFLAGS="${LDFLAGS} -Wl,-Bexport"
AC_TRY_LINK(, [int i;], found=yes, found=no)
LDFLAGS=$hold_ldflags
AC_MSG_RESULT($found)
if test $found = yes; then
LDFLAGS="-Wl,-Bexport"
else
LDFLAGS=""
fi
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
;;
esac
if test "$do64bit" = "yes" -a "$do64bit_ok" = "no" ; then
AC_MSG_WARN("64bit support being disabled -- don\'t know magic for this platform")
fi
# Step 4: If pseudo-static linking is in use (see K. B. Kenny, "Dynamic
# Loading for Tcl -- What Became of It?". Proc. 2nd Tcl/Tk Workshop,
# New Orleans, LA, Computerized Processes Unlimited, 1994), then we need
# to determine which of several header files defines the a.out file
# format (a.out.h, sys/exec.h, or sys/exec_aout.h). At present, we
# support only a file format that is more or less version-7-compatible.
# In particular,
# - a.out files must begin with `struct exec'.
# - the N_TXTOFF on the `struct exec' must compute the seek address
# of the text segment
# - The `struct exec' must contain a_magic, a_text, a_data, a_bss
# and a_entry fields.
# The following compilation should succeed if and only if either sys/exec.h
# or a.out.h is usable for the purpose.
#
# Note that the modified COFF format used on MIPS Ultrix 4.x is usable; the
# `struct exec' includes a second header that contains information that
# duplicates the v7 fields that are needed.
if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
AC_MSG_CHECKING(sys/exec.h)
AC_TRY_COMPILE([#include <sys/exec.h>],[
struct exec foo;
unsigned long seek;
int flag;
#if defined(__mips) || defined(mips)
seek = N_TXTOFF (foo.ex_f, foo.ex_o);
#else
seek = N_TXTOFF (foo);
#endif
flag = (foo.a_magic == OMAGIC);
return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
], tcl_ok=usable, tcl_ok=unusable)
AC_MSG_RESULT($tcl_ok)
if test $tcl_ok = usable; then
AC_DEFINE(USE_SYS_EXEC_H)
else
AC_MSG_CHECKING(a.out.h)
AC_TRY_COMPILE([#include <a.out.h>],[
struct exec foo;
unsigned long seek;
int flag;
#if defined(__mips) || defined(mips)
seek = N_TXTOFF (foo.ex_f, foo.ex_o);
#else
seek = N_TXTOFF (foo);
#endif
flag = (foo.a_magic == OMAGIC);
return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
], tcl_ok=usable, tcl_ok=unusable)
AC_MSG_RESULT($tcl_ok)
if test $tcl_ok = usable; then
AC_DEFINE(USE_A_OUT_H)
else
AC_MSG_CHECKING(sys/exec_aout.h)
AC_TRY_COMPILE([#include <sys/exec_aout.h>],[
struct exec foo;
unsigned long seek;
int flag;
#if defined(__mips) || defined(mips)
seek = N_TXTOFF (foo.ex_f, foo.ex_o);
#else
seek = N_TXTOFF (foo);
#endif
flag = (foo.a_midmag == OMAGIC);
return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry;
], tcl_ok=usable, tcl_ok=unusable)
AC_MSG_RESULT($tcl_ok)
if test $tcl_ok = usable; then
AC_DEFINE(USE_SYS_EXEC_AOUT_H)
else
DL_OBJS=""
fi
fi
fi
fi
# Step 5: disable dynamic loading if requested via a command-line switch.
AC_ARG_ENABLE(load, [ --disable-load disallow dynamic loading and "load" command],
[tcl_ok=$enableval], [tcl_ok=yes])
if test "$tcl_ok" = "no"; then
DL_OBJS=""
fi
if test "x$DL_OBJS" != "x" ; then
BUILD_DLTEST="\$(DLTEST_TARGETS)"
else
echo "Can't figure out how to do dynamic loading or shared libraries"
echo "on this system."
SHLIB_CFLAGS=""
SHLIB_LD=""
SHLIB_SUFFIX=""
DL_OBJS="tclLoadNone.o"
DL_LIBS=""
LDFLAGS=""
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
BUILD_DLTEST=""
fi
# If we're running gcc, then change the C flags for compiling shared
# libraries to the right flags for gcc, instead of those for the
# standard manufacturer compiler.
if test "$DL_OBJS" != "tclLoadNone.o" ; then
if test "$GCC" = "yes" ; then
case $system in
AIX-*)
;;
BSD/OS*)
;;
IRIX*)
;;
NetBSD-*|FreeBSD-*|OpenBSD-*)
;;
Rhapsody-*|Darwin-*)
;;
RISCos-*)
;;
SCO_SV-3.2*)
;;
ULTRIX-4.*)
;;
*)
SHLIB_CFLAGS="-fPIC"
;;
esac
fi
fi
if test "$SHARED_LIB_SUFFIX" = "" ; then
SHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}${SHLIB_SUFFIX}'
fi
if test "$UNSHARED_LIB_SUFFIX" = "" ; then
UNSHARED_LIB_SUFFIX='${VERSION}\$\{DBGX\}.a'
fi
if test "${SHARED_BUILD}" = "1" && test "${SHLIB_SUFFIX}" != "" ; then
LIB_SUFFIX=${SHARED_LIB_SUFFIX}
MAKE_LIB='${SHLIB_LD} -o [$]@ ${SHLIB_LD_FLAGS} ${OBJS} ${SHLIB_LD_LIBS} ${TCL_SHLIB_LD_EXTRAS} ${TK_SHLIB_LD_EXTRAS} ${LD_SEARCH_FLAGS}'
INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) $(LIB_INSTALL_DIR)/$(LIB_FILE)'
else
LIB_SUFFIX=${UNSHARED_LIB_SUFFIX}
if test "$RANLIB" = "" ; then
MAKE_LIB='$(STLIB_LD) [$]@ ${OBJS}'
INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) $(LIB_INSTALL_DIR)/$(LIB_FILE)'
else
MAKE_LIB='${STLIB_LD} [$]@ ${OBJS} ; ${RANLIB} [$]@'
INSTALL_LIB='$(INSTALL_LIBRARY) $(LIB_FILE) $(LIB_INSTALL_DIR)/$(LIB_FILE) ; (cd $(LIB_INSTALL_DIR) ; $(RANLIB) $(LIB_FILE))'
fi
dnl Not at all clear what this was doing in Tcl's configure.in
dnl or why it was needed was needed. In any event, this sort of
dnl things needs to be done in the big loop above.
dnl REMOVE THIS BLOCK LATER! (mdejong)
dnl case $system in
dnl BSD/OS*)
dnl ;;
dnl AIX-[[1-4]].*)
dnl ;;
dnl *)
dnl SHLIB_LD_LIBS=""
dnl ;;
dnl esac
fi
# Stub lib does not depend on shared/static configuration
if test "$RANLIB" = "" ; then
MAKE_STUB_LIB='${STLIB_LD} [$]@ ${STUB_LIB_OBJS}'
INSTALL_STUB_LIB='$(INSTALL_LIBRARY) $(STUB_LIB_FILE) $(LIB_INSTALL_DIR)/$(STUB_LIB_FILE)'
else
MAKE_STUB_LIB='${STLIB_LD} [$]@ ${STUB_LIB_OBJS} ; ${RANLIB} [$]@'
INSTALL_STUB_LIB='$(INSTALL_LIBRARY) $(STUB_LIB_FILE) $(LIB_INSTALL_DIR)/$(STUB_LIB_FILE) ; (cd $(LIB_INSTALL_DIR) ; $(RANLIB) $(STUB_LIB_FILE))'
fi
AC_SUBST(DL_LIBS)
AC_SUBST(DL_OBJS)
AC_SUBST(PLAT_OBJS)
AC_SUBST(CFLAGS)
AC_SUBST(CFLAGS_DEBUG)
AC_SUBST(CFLAGS_OPTIMIZE)
AC_SUBST(CFLAGS_WARNING)
AC_SUBST(EXTRA_CFLAGS)
AC_SUBST(LDFLAGS)
AC_SUBST(LDFLAGS_DEBUG)
AC_SUBST(LDFLAGS_OPTIMIZE)
AC_SUBST(CC_SEARCH_FLAGS)
AC_SUBST(LD_SEARCH_FLAGS)
AC_SUBST(STLIB_LD)
AC_SUBST(SHLIB_LD)
AC_SUBST(TCL_SHLIB_LD_EXTRAS)
AC_SUBST(TK_SHLIB_LD_EXTRAS)
AC_SUBST(SHLIB_LD_FLAGS)
AC_SUBST(SHLIB_LD_LIBS)
AC_SUBST(SHLIB_CFLAGS)
AC_SUBST(SHLIB_SUFFIX)
AC_SUBST(MAKE_LIB)
AC_SUBST(MAKE_STUB_LIB)
AC_SUBST(INSTALL_LIB)
AC_SUBST(INSTALL_STUB_LIB)
AC_SUBST(RANLIB)
])
#--------------------------------------------------------------------
# SC_SERIAL_PORT
#
# Determine which interface to use to talk to the serial port.
# Note that #include lines must begin in leftmost column for
# some compilers to recognize them as preprocessor directives,
# and some build environments have stdin not pointing at a
# pseudo-terminal (usually /dev/null instead.)
#
# Arguments:
# none
#
# Results:
#
# Defines only one of the following vars:
# HAVE_SYS_MODEM_H
# USE_TERMIOS
# USE_TERMIO
# USE_SGTTY
#
#--------------------------------------------------------------------
AC_DEFUN(SC_SERIAL_PORT, [
AC_CHECK_HEADERS(sys/modem.h)
AC_MSG_CHECKING([termios vs. termio vs. sgtty])
AC_CACHE_VAL(tcl_cv_api_serial, [
AC_TRY_RUN([
#include <termios.h>
int main() {
struct termios t;
if (tcgetattr(0, &t) == 0) {
cfsetospeed(&t, 0);
t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
return 0;
}
return 1;
}], tcl_cv_api_serial=termios, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
if test $tcl_cv_api_serial = no ; then
AC_TRY_RUN([
#include <termio.h>
int main() {
struct termio t;
if (ioctl(0, TCGETA, &t) == 0) {
t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
return 0;
}
return 1;
}], tcl_cv_api_serial=termio, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
fi
if test $tcl_cv_api_serial = no ; then
AC_TRY_RUN([
#include <sgtty.h>
int main() {
struct sgttyb t;
if (ioctl(0, TIOCGETP, &t) == 0) {
t.sg_ospeed = 0;
t.sg_flags |= ODDP | EVENP | RAW;
return 0;
}
return 1;
}], tcl_cv_api_serial=sgtty, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
fi
if test $tcl_cv_api_serial = no ; then
AC_TRY_RUN([
#include <termios.h>
#include <errno.h>
int main() {
struct termios t;
if (tcgetattr(0, &t) == 0
|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
cfsetospeed(&t, 0);
t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB;
return 0;
}
return 1;
}], tcl_cv_api_serial=termios, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
fi
if test $tcl_cv_api_serial = no; then
AC_TRY_RUN([
#include <termio.h>
#include <errno.h>
int main() {
struct termio t;
if (ioctl(0, TCGETA, &t) == 0
|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
return 0;
}
return 1;
}], tcl_cv_api_serial=termio, tcl_cv_api_serial=no, tcl_cv_api_serial=no)
fi
if test $tcl_cv_api_serial = no; then
AC_TRY_RUN([
#include <sgtty.h>
#include <errno.h>
int main() {
struct sgttyb t;
if (ioctl(0, TIOCGETP, &t) == 0
|| errno == ENOTTY || errno == ENXIO || errno == EINVAL) {
t.sg_ospeed = 0;
t.sg_flags |= ODDP | EVENP | RAW;
return 0;
}
return 1;
}], tcl_cv_api_serial=sgtty, tcl_cv_api_serial=none, tcl_cv_api_serial=none)
fi])
case $tcl_cv_api_serial in
termios) AC_DEFINE(USE_TERMIOS);;
termio) AC_DEFINE(USE_TERMIO);;
sgtty) AC_DEFINE(USE_SGTTY);;
esac
AC_MSG_RESULT($tcl_cv_api_serial)
])
#--------------------------------------------------------------------
# SC_MISSING_POSIX_HEADERS
#
# Supply substitutes for missing POSIX header files. Special
# notes:
# - stdlib.h doesn't define strtol, strtoul, or
# strtod insome versions of SunOS
# - some versions of string.h don't declare procedures such
# as strstr
#
# Arguments:
# none
#
# Results:
#
# Defines some of the following vars:
# NO_DIRENT_H
# NO_ERRNO_H
# NO_VALUES_H
# NO_LIMITS_H
# NO_STDLIB_H
# NO_STRING_H
# NO_SYS_WAIT_H
# NO_DLFCN_H
# HAVE_UNISTD_H
# HAVE_SYS_PARAM_H
#
# HAVE_STRING_H ?
#
#--------------------------------------------------------------------
AC_DEFUN(SC_MISSING_POSIX_HEADERS, [
AC_MSG_CHECKING(dirent.h)
AC_TRY_LINK([#include <sys/types.h>
#include <dirent.h>], [
#ifndef _POSIX_SOURCE
# ifdef __Lynx__
/*
* Generate compilation error to make the test fail: Lynx headers
* are only valid if really in the POSIX environment.
*/
missing_procedure();
# endif
#endif
DIR *d;
struct dirent *entryPtr;
char *p;
d = opendir("foobar");
entryPtr = readdir(d);
p = entryPtr->d_name;
closedir(d);
], tcl_ok=yes, tcl_ok=no)
if test $tcl_ok = no; then
AC_DEFINE(NO_DIRENT_H)
fi
AC_MSG_RESULT($tcl_ok)
AC_CHECK_HEADER(errno.h, , [AC_DEFINE(NO_ERRNO_H)])
AC_CHECK_HEADER(float.h, , [AC_DEFINE(NO_FLOAT_H)])
AC_CHECK_HEADER(values.h, , [AC_DEFINE(NO_VALUES_H)])
AC_CHECK_HEADER(limits.h, , [AC_DEFINE(NO_LIMITS_H)])
AC_CHECK_HEADER(stdlib.h, tcl_ok=1, tcl_ok=0)
AC_EGREP_HEADER(strtol, stdlib.h, , tcl_ok=0)
AC_EGREP_HEADER(strtoul, stdlib.h, , tcl_ok=0)
AC_EGREP_HEADER(strtod, stdlib.h, , tcl_ok=0)
if test $tcl_ok = 0; then
AC_DEFINE(NO_STDLIB_H)
fi
AC_CHECK_HEADER(string.h, tcl_ok=1, tcl_ok=0)
AC_EGREP_HEADER(strstr, string.h, , tcl_ok=0)
AC_EGREP_HEADER(strerror, string.h, , tcl_ok=0)
# See also memmove check below for a place where NO_STRING_H can be
# set and why.
if test $tcl_ok = 0; then
AC_DEFINE(NO_STRING_H)
fi
AC_CHECK_HEADER(sys/wait.h, , [AC_DEFINE(NO_SYS_WAIT_H)])
AC_CHECK_HEADER(dlfcn.h, , [AC_DEFINE(NO_DLFCN_H)])
# OS/390 lacks sys/param.h (and doesn't need it, by chance).
AC_HAVE_HEADERS(unistd.h sys/param.h)
])
#--------------------------------------------------------------------
# SC_PATH_X
#
# Locate the X11 header files and the X11 library archive. Try
# the ac_path_x macro first, but if it doesn't find the X stuff
# (e.g. because there's no xmkmf program) then check through
# a list of possible directories. Under some conditions the
# autoconf macro will return an include directory that contains
# no include files, so double-check its result just to be safe.
#
# Arguments:
# none
#
# Results:
#
# Sets the following vars:
# XINCLUDES
# XLIBSW
#
#--------------------------------------------------------------------
AC_DEFUN(SC_PATH_X, [
AC_PATH_X
not_really_there=""
if test "$no_x" = ""; then
if test "$x_includes" = ""; then
AC_TRY_CPP([#include <X11/XIntrinsic.h>], , not_really_there="yes")
else
if test ! -r $x_includes/X11/Intrinsic.h; then
not_really_there="yes"
fi
fi
fi
if test "$no_x" = "yes" -o "$not_really_there" = "yes"; then
AC_MSG_CHECKING(for X11 header files)
found_xincludes="no"
AC_TRY_CPP([#include <X11/Intrinsic.h>], found_xincludes="yes", found_xincludes="no")
if test "$found_xincludes" = "no"; then
dirs="/usr/unsupported/include /usr/local/include /usr/X386/include /usr/X11R6/include /usr/X11R5/include /usr/include/X11R5 /usr/include/X11R4 /usr/openwin/include /usr/X11/include /usr/sww/include"
for i in $dirs ; do
if test -r $i/X11/Intrinsic.h; then
AC_MSG_RESULT($i)
XINCLUDES=" -I$i"
found_xincludes="yes"
break
fi
done
fi
else
if test "$x_includes" != ""; then
XINCLUDES="-I$x_includes"
found_xincludes="yes"
fi
fi
if test found_xincludes = "no"; then
AC_MSG_RESULT(couldn't find any!)
fi
if test "$no_x" = yes; then
AC_MSG_CHECKING(for X11 libraries)
XLIBSW=nope
dirs="/usr/unsupported/lib /usr/local/lib /usr/X386/lib /usr/X11R6/lib /usr/X11R5/lib /usr/lib/X11R5 /usr/lib/X11R4 /usr/openwin/lib /usr/X11/lib /usr/sww/X11/lib"
for i in $dirs ; do
if test -r $i/libX11.a -o -r $i/libX11.so -o -r $i/libX11.sl; then
AC_MSG_RESULT($i)
XLIBSW="-L$i -lX11"
x_libraries="$i"
break
fi
done
else
if test "$x_libraries" = ""; then
XLIBSW=-lX11
else
XLIBSW="-L$x_libraries -lX11"
fi
fi
if test "$XLIBSW" = nope ; then
AC_CHECK_LIB(Xwindow, XCreateWindow, XLIBSW=-lXwindow)
fi
if test "$XLIBSW" = nope ; then
AC_MSG_RESULT(couldn't find any! Using -lX11.)
XLIBSW=-lX11
fi
])
#--------------------------------------------------------------------
# SC_BLOCKING_STYLE
#
# The statements below check for systems where POSIX-style
# non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented.
# On these systems (mostly older ones), use the old BSD-style
# FIONBIO approach instead.
#
# Arguments:
# none
#
# Results:
#
# Defines some of the following vars:
# HAVE_SYS_IOCTL_H
# HAVE_SYS_FILIO_H
# USE_FIONBIO
# O_NONBLOCK
#
#--------------------------------------------------------------------
AC_DEFUN(SC_BLOCKING_STYLE, [
AC_CHECK_HEADERS(sys/ioctl.h)
AC_CHECK_HEADERS(sys/filio.h)
AC_MSG_CHECKING([FIONBIO vs. O_NONBLOCK for nonblocking I/O])
if test -f /usr/lib/NextStep/software_version; then
system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
else
system=`uname -s`-`uname -r`
if test "$?" -ne 0 ; then
system=unknown
else
# Special check for weird MP-RAS system (uname returns weird
# results, and the version is kept in special file).
if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then
system=MP-RAS-`awk '{print $3}' /etc/.relid'`
fi
if test "`uname -s`" = "AIX" ; then
system=AIX-`uname -v`.`uname -r`
fi
fi
fi
case $system in
# There used to be code here to use FIONBIO under AIX. However, it
# was reported that FIONBIO doesn't work under AIX 3.2.5. Since
# using O_NONBLOCK seems fine under AIX 4.*, I removed the FIONBIO
# code (JO, 5/31/97).
OSF*)
AC_DEFINE(USE_FIONBIO)
AC_MSG_RESULT(FIONBIO)
;;
SunOS-4*)
AC_DEFINE(USE_FIONBIO)
AC_MSG_RESULT(FIONBIO)
;;
ULTRIX-4.*)
AC_DEFINE(USE_FIONBIO)
AC_MSG_RESULT(FIONBIO)
;;
*)
AC_MSG_RESULT(O_NONBLOCK)
;;
esac
])
#--------------------------------------------------------------------
# SC_TIME_HANLDER
#
# Checks how the system deals with time.h, what time structures
# are used on the system, and what fields the structures have.
#
# Arguments:
# none
#
# Results:
#
# Defines some of the following vars:
# USE_DELTA_FOR_TZ
# HAVE_TM_GMTOFF
# HAVE_TM_TZADJ
# HAVE_TIMEZONE_VAR
#
#--------------------------------------------------------------------
AC_DEFUN(SC_TIME_HANDLER, [
AC_CHECK_HEADERS(sys/time.h)
AC_HEADER_TIME
AC_STRUCT_TIMEZONE
AC_CHECK_FUNCS(gmtime_r localtime_r)
AC_MSG_CHECKING([tm_tzadj in struct tm])
AC_CACHE_VAL(tcl_cv_member_tm_tzadj,
AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_tzadj;],
tcl_cv_member_tm_tzadj=yes, tcl_cv_member_tm_tzadj=no))
AC_MSG_RESULT($tcl_cv_member_tm_tzadj)
if test $tcl_cv_member_tm_tzadj = yes ; then
AC_DEFINE(HAVE_TM_TZADJ)
fi
AC_MSG_CHECKING([tm_gmtoff in struct tm])
AC_CACHE_VAL(tcl_cv_member_tm_gmtoff,
AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_gmtoff;],
tcl_cv_member_tm_gmtoff=yes, tcl_cv_member_tm_gmtoff=no))
AC_MSG_RESULT($tcl_cv_member_tm_gmtoff)
if test $tcl_cv_member_tm_gmtoff = yes ; then
AC_DEFINE(HAVE_TM_GMTOFF)
fi
#
# Its important to include time.h in this check, as some systems
# (like convex) have timezone functions, etc.
#
AC_MSG_CHECKING([long timezone variable])
AC_CACHE_VAL(tcl_cv_var_timezone,
AC_TRY_COMPILE([#include <time.h>],
[extern long timezone;
timezone += 1;
exit (0);],
tcl_cv_timezone_long=yes, tcl_cv_timezone_long=no))
AC_MSG_RESULT($tcl_cv_timezone_long)
if test $tcl_cv_timezone_long = yes ; then
AC_DEFINE(HAVE_TIMEZONE_VAR)
else
#
# On some systems (e.g. IRIX 6.2), timezone is a time_t and not a long.
#
AC_MSG_CHECKING([time_t timezone variable])
AC_CACHE_VAL(tcl_cv_timezone_time,
AC_TRY_COMPILE([#include <time.h>],
[extern time_t timezone;
timezone += 1;
exit (0);],
tcl_cv_timezone_time=yes, tcl_cv_timezone_time=no))
AC_MSG_RESULT($tcl_cv_timezone_time)
if test $tcl_cv_timezone_time = yes ; then
AC_DEFINE(HAVE_TIMEZONE_VAR)
fi
fi
])
#--------------------------------------------------------------------
# SC_BUGGY_STRTOD
#
# Under Solaris 2.4, strtod returns the wrong value for the
# terminating character under some conditions. Check for this
# and if the problem exists use a substitute procedure
# "fixstrtod" (provided by Tcl) that corrects the error.
# Also, on Compaq's Tru64 Unix 5.0,
# strtod(" ") returns 0.0 instead of a failure to convert.
#
# Arguments:
# none
#
# Results:
#
# Might defines some of the following vars:
# strtod (=fixstrtod)
#
#--------------------------------------------------------------------
AC_DEFUN(SC_BUGGY_STRTOD, [
AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0)
if test "$tcl_strtod" = 1; then
AC_MSG_CHECKING([for Solaris2.4/Tru64 strtod bugs])
AC_CACHE_VAL(tcl_cv_strtod_buggy,[
AC_TRY_RUN([
extern double strtod();
int main() {
char *infString="Inf", *nanString="NaN", *spaceString=" ";
char *term;
double value;
value = strtod(infString, &term);
if ((term != infString) && (term[-1] == 0)) {
exit(1);
}
value = strtod(nanString, &term);
if ((term != nanString) && (term[-1] == 0)) {
exit(1);
}
value = strtod(spaceString, &term);
if (term == (spaceString+1)) {
exit(1);
}
exit(0);
}], tcl_cv_strtod_buggy=1, tcl_cv_strtod_buggy=0, tcl_cv_strtod_buggy=0)])
if test "$tcl_cv_strtod_buggy" = 1; then
AC_MSG_RESULT(ok)
else
AC_MSG_RESULT(buggy)
LIBOBJS="$LIBOBJS fixstrtod.o"
AC_DEFINE(strtod, fixstrtod)
fi
fi
])
#--------------------------------------------------------------------
# SC_TCL_LINK_LIBS
#
# Search for the libraries needed to link the Tcl shell.
# Things like the math library (-lm) and socket stuff (-lsocket vs.
# -lnsl) are dealt with here.
#
# Arguments:
# Requires the following vars to be set in the Makefile:
# DL_LIBS
# LIBS
# MATH_LIBS
#
# Results:
#
# Subst's the following var:
# TCL_LIBS
# MATH_LIBS
#
# Might append to the following vars:
# LIBS
#
# Might define the following vars:
# HAVE_NET_ERRNO_H
#
#--------------------------------------------------------------------
AC_DEFUN(SC_TCL_LINK_LIBS, [
#--------------------------------------------------------------------
# On a few very rare systems, all of the libm.a stuff is
# already in libc.a. Set compiler flags accordingly.
# Also, Linux requires the "ieee" library for math to work
# right (and it must appear before "-lm").
#--------------------------------------------------------------------
AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm")
AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"])
#--------------------------------------------------------------------
# Interactive UNIX requires -linet instead of -lsocket, plus it
# needs net/errno.h to define the socket-related error codes.
#--------------------------------------------------------------------
AC_CHECK_LIB(inet, main, [LIBS="$LIBS -linet"])
AC_CHECK_HEADER(net/errno.h, [AC_DEFINE(HAVE_NET_ERRNO_H)])
#--------------------------------------------------------------------
# Check for the existence of the -lsocket and -lnsl libraries.
# The order here is important, so that they end up in the right
# order in the command line generated by make. Here are some
# special considerations:
# 1. Use "connect" and "accept" to check for -lsocket, and
# "gethostbyname" to check for -lnsl.
# 2. Use each function name only once: can't redo a check because
# autoconf caches the results of the last check and won't redo it.
# 3. Use -lnsl and -lsocket only if they supply procedures that
# aren't already present in the normal libraries. This is because
# IRIX 5.2 has libraries, but they aren't needed and they're
# bogus: they goof up name resolution if used.
# 4. On some SVR4 systems, can't use -lsocket without -lnsl too.
# To get around this problem, check for both libraries together
# if -lsocket doesn't work by itself.
#--------------------------------------------------------------------
tcl_checkBoth=0
AC_CHECK_FUNC(connect, tcl_checkSocket=0, tcl_checkSocket=1)
if test "$tcl_checkSocket" = 1; then
AC_CHECK_FUNC(setsockopt, , [AC_CHECK_LIB(socket, setsockopt,
LIBS="$LIBS -lsocket", tcl_checkBoth=1)])
fi
if test "$tcl_checkBoth" = 1; then
tk_oldLibs=$LIBS
LIBS="$LIBS -lsocket -lnsl"
AC_CHECK_FUNC(accept, tcl_checkNsl=0, [LIBS=$tk_oldLibs])
fi
AC_CHECK_FUNC(gethostbyname, , [AC_CHECK_LIB(nsl, gethostbyname,
[LIBS="$LIBS -lnsl"])])
# Don't perform the eval of the libraries here because DL_LIBS
# won't be set until we call SC_CONFIG_CFLAGS
TCL_LIBS='${DL_LIBS} ${LIBS} ${MATH_LIBS}'
AC_SUBST(TCL_LIBS)
AC_SUBST(MATH_LIBS)
])
#--------------------------------------------------------------------
# SC_TCL_EARLY_FLAGS
#
# Check for what flags are needed to be passed so the correct OS
# features are available.
#
# Arguments:
# None
#
# Results:
#
# Might define the following vars:
# _ISOC99_SOURCE
# _LARGEFILE64_SOURCE
#
#--------------------------------------------------------------------
AC_DEFUN(SC_TCL_EARLY_FLAG,[
AC_CACHE_VAL([tcl_cv_flag_]translit($1,[A-Z],[a-z]),
AC_TRY_COMPILE([$2], $3, [tcl_cv_flag_]translit($1,[A-Z],[a-z])=no,
AC_TRY_COMPILE([[#define ]$1[ 1
]$2], $3,
[tcl_cv_flag_]translit($1,[A-Z],[a-z])=yes,
[tcl_cv_flag_]translit($1,[A-Z],[a-z])=no)))
if test ["x${tcl_cv_flag_]translit($1,[A-Z],[a-z])[}" = "xyes"] ; then
AC_DEFINE($1)
tcl_flags="$tcl_flags $1"
fi])
AC_DEFUN(SC_TCL_EARLY_FLAGS,[
AC_MSG_CHECKING([for required early compiler flags])
tcl_flags=""
SC_TCL_EARLY_FLAG(_ISOC99_SOURCE,[#include <stdlib.h>],
[char *p = (char *)strtoll; char *q = (char *)strtoull;])
SC_TCL_EARLY_FLAG(_LARGEFILE64_SOURCE,[#include <sys/stat.h>],
[struct stat64 buf; int i = stat64("/", &buf);])
if test "x${tcl_flags}" = "x" ; then
AC_MSG_RESULT(none)
else
AC_MSG_RESULT(${tcl_flags})
fi])
#--------------------------------------------------------------------
# SC_TCL_64BIT_FLAGS
#
# Check for what is defined in the way of 64-bit features.
#
# Arguments:
# None
#
# Results:
#
# Might define the following vars:
# TCL_WIDE_INT_IS_LONG
# TCL_WIDE_INT_TYPE
# HAVE_STRUCT_DIRENT64
# HAVE_STRUCT_STAT64
# HAVE_TYPE_OFF64_T
#
#--------------------------------------------------------------------
AC_DEFUN(SC_TCL_64BIT_FLAGS, [
AC_MSG_CHECKING([for 64-bit integer type])
AC_CACHE_VAL(tcl_cv_type_64bit,[
tcl_cv_type_64bit=none
# See if the compiler knows natively about __int64
AC_TRY_COMPILE(,[__int64 value = (__int64) 0;],
tcl_type_64bit=__int64, tcl_type_64bit="long long")
# See if we should use long anyway Note that we substitute in the
# type that is our current guess for a 64-bit type inside this check
# program, so it should be modified only carefully...
AC_TRY_RUN([#include <unistd.h>
int main() {exit(!(sizeof(]${tcl_type_64bit}[) > sizeof(long)));}
], tcl_cv_type_64bit=${tcl_type_64bit},:,:)])
if test "${tcl_cv_type_64bit}" = none ; then
AC_DEFINE(TCL_WIDE_INT_IS_LONG)
AC_MSG_RESULT(using long)
else
AC_DEFINE_UNQUOTED(TCL_WIDE_INT_TYPE,${tcl_cv_type_64bit})
AC_MSG_RESULT(${tcl_cv_type_64bit})
# Now check for auxiliary declarations
AC_MSG_CHECKING([for struct dirent64])
AC_CACHE_VAL(tcl_cv_struct_dirent64,[
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/dirent.h>],[struct dirent64 p;],
tcl_cv_struct_dirent64=yes,tcl_cv_struct_dirent64=no)])
if test "x${tcl_cv_struct_dirent64}" = "xyes" ; then
AC_DEFINE(HAVE_STRUCT_DIRENT64)
fi
AC_MSG_RESULT(${tcl_cv_struct_dirent64})
AC_MSG_CHECKING([for struct stat64])
AC_CACHE_VAL(tcl_cv_struct_stat64,[
AC_TRY_COMPILE([#include <sys/stat.h>],[struct stat64 p;
],
tcl_cv_struct_stat64=yes,tcl_cv_struct_stat64=no)])
if test "x${tcl_cv_struct_stat64}" = "xyes" ; then
AC_DEFINE(HAVE_STRUCT_STAT64)
fi
AC_MSG_RESULT(${tcl_cv_struct_stat64})
AC_MSG_CHECKING([for off64_t])
AC_CACHE_VAL(tcl_cv_type_off64_t,[
AC_TRY_COMPILE([#include <sys/types.h>],[off64_t offset;
],
tcl_cv_type_off64_t=yes,tcl_cv_type_off64_t=no)])
if test "x${tcl_cv_type_off64_t}" = "xyes" ; then
AC_DEFINE(HAVE_TYPE_OFF64_T)
fi
AC_MSG_RESULT(${tcl_cv_type_off64_t})
fi])
#------------------------------------------------------------------------
# SC_PUBLIC_TCL_HEADERS --
#
# Locate the installed public Tcl header files
#
# Arguments:
# None.
#
# Requires:
# CYGPATH must be set
# TCL_VERSION must be set
#
# Results:
#
# Adds a --with-tclinclude switch to configure.
# Result is cached.
#
# Substs the following vars:
# TCL_INCLUDES
#------------------------------------------------------------------------
AC_DEFUN(SC_PUBLIC_TCL_HEADERS, [
AC_MSG_CHECKING(for Tcl public headers)
AC_ARG_WITH(tclinclude, [ --with-tclinclude directory containing the public Tcl header files.], with_tclinclude=${withval})
if test x"${with_tclinclude}" != x ; then
if test -f "${with_tclinclude}/tcl.h" ; then
ac_cv_c_tclh=${with_tclinclude}
else
AC_MSG_ERROR([${with_tclinclude} directory does not contain Tcl public header file tcl.h])
fi
else
AC_CACHE_VAL(ac_cv_c_tclh, [
# Use the value from --with-tclinclude, if it was given
if test x"${with_tclinclude}" != x ; then
ac_cv_c_tclh=${with_tclinclude}
else
# Do NOT check in $includedir, we need to prevent automatic
# location of Tcl headers in $prefix/include unless explicitly
# specified with the --with-tclinclude option. But go ahead and
# check some other possible local system locations.
for i in \
/usr/include /usr/local/include /usr/local/include/tcl${TCL_VERSION} /usr/include/tcl${TCL_VERSION}; do
if test -f "$i/tcl.h" ; then
ac_cv_c_tclh=$i
break
fi
done
fi
])
fi
# Print a message based on how we determined the include path
if test x"${ac_cv_c_tclh}" = x ; then
AC_MSG_ERROR(tcl.h not found. Please specify its location with --with-tclinclude)
else
AC_MSG_RESULT(${ac_cv_c_tclh})
fi
# Convert to a native path and substitute into the output files.
INCLUDE_DIR_NATIVE=`${CYGPATH} ${ac_cv_c_tclh}`
TCL_INCLUDES=-I\"${INCLUDE_DIR_NATIVE}\"
AC_SUBST(TCL_INCLUDES)
])
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