468663ddbb
Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
1107 lines
36 KiB
Plaintext
1107 lines
36 KiB
Plaintext
# Copyright (c) 1999-2001 by Red Hat, Inc. All rights reserved.
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#
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# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
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# OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
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#
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# Permission is hereby granted to use or copy this program
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# for any purpose, provided the above notices are retained on all copies.
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# Permission to modify the code and to distribute modified code is granted,
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# provided the above notices are retained, and a notice that the code was
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# modified is included with the above copyright notice.
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dnl Process this file with autoconf to produce configure.
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# Initialization
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AC_INIT(gc,7.7.0,https://github.com/ivmai/bdwgc/issues)
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## version must conform to [0-9]+[.][0-9]+[.][0-9]+
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AC_CONFIG_SRCDIR(gcj_mlc.c)
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AC_CONFIG_MACRO_DIR([m4])
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AC_CANONICAL_TARGET
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AC_PREREQ(2.61)
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GC_SET_VERSION
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AM_INIT_AUTOMAKE([foreign nostdinc subdir-objects])
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AC_CONFIG_HEADERS([include/config.h])
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AM_MAINTAINER_MODE
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AC_SUBST(PACKAGE)
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AC_SUBST(GC_VERSION)
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AM_PROG_CC_C_O
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AC_PROG_CXX
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AM_PROG_AS
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AC_PROG_INSTALL
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LT_INIT
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# Note: If Autoconf reports that LIBTOOL (or AC_ENABLE_SHARED, or
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# AC_PROG_LIBTOOL) is undefined, Libtool installation should be checked.
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# Special CFLAGS to use when building
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gc_cflags=""
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# gc_use_mmap Set to "yes" on platforms where mmap should be used instead
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# of sbrk. This will define USE_MMAP.
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gc_use_mmap=""
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# We should set -fexceptions if we are using gcc and might be used
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# inside something like gcj. This is the zeroth approximation:
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if test :"$GCC": = :yes: ; then
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gc_cflags="${gc_cflags} -fexceptions"
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else
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case "$host" in
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hppa*-*-hpux* )
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if test :$GCC: != :"yes": ; then
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gc_cflags="${gc_flags} +ESdbgasm"
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fi
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# :TODO: actually we should check using Autoconf if
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# the compiler supports this option.
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;;
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esac
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fi
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case "${host}" in
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*-linux*)
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# FIXME: This seems to be no longer needed as configured in gcconfig.h
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#gc_use_mmap=yes
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;;
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esac
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# target_optspace --enable-target-optspace ("yes", "no", "")
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case "${target_optspace}:${host}" in
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yes:*)
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gc_cflags="${gc_cflags} -Os"
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;;
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:m32r-* | :d10v-* | :d30v-*)
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gc_cflags="${gc_cflags} -Os"
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;;
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no:* | :*)
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# Nothing.
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;;
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esac
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# Set any host dependent compiler flags.
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case "${host}" in
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mips-tx39-*|mipstx39-unknown-*)
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gc_cflags="${gc_cflags} -G 0"
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;;
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*)
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;;
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esac
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GC_CFLAGS=${gc_cflags}
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AC_SUBST(GC_CFLAGS)
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# Extra user-defined flags to pass both to C and C++ compilers.
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AC_SUBST([CFLAGS_EXTRA])
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AC_ARG_ENABLE(verify-defines,
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[AC_HELP_STRING([--enable-verify-defines=yes|no],
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[Verify that the correct defines have been set for Unity.])],
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verify_defines=$enableval)
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if test "${verify_defines}" = "yes"; then
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AC_DEFINE([VERIFY_UNITY_DEFINES], 1,
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[Verify that the correct defines have been set for Unity.])
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fi
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AC_ARG_ENABLE(threads,
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[AC_HELP_STRING([--enable-threads=TYPE], [choose threading package])],
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THREADS=$enableval,
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[ AC_MSG_CHECKING([for thread model used by GCC])
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THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
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if test -z "$THREADS"; then
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THREADS=no
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fi
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if test "$THREADS" = "posix"; then
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case "$host" in
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*-*-mingw*)
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# Adjust thread model if cross-compiling for MinGW.
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THREADS=win32
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;;
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esac
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fi
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AC_MSG_RESULT([$THREADS]) ])
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AC_ARG_ENABLE(parallel-mark,
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[AC_HELP_STRING([--disable-parallel-mark],
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[do not parallelize marking and free list construction])],
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[case "$THREADS" in
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no | none | single)
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if test "${enable_parallel_mark}" != no; then
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AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
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fi
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;;
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esac ]
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)
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AC_ARG_ENABLE(thread-local-alloc,
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[AC_HELP_STRING([--disable-thread-local-alloc],
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[turn off thread-local allocation optimization])],
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[case "$THREADS" in
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no | none | single)
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if test "${enable_thread_local_alloc}" = yes; then
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AC_MSG_ERROR(
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[Thread-local allocation requires --enable-threads=x spec])
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fi
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;;
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esac])
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AC_ARG_ENABLE(cplusplus,
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[AC_HELP_STRING([--enable-cplusplus], [install C++ support])])
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AC_ARG_ENABLE(no-threads-discovery,
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[AC_HELP_STRING([--enable-no-threads-discovery=yes|no],
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[Disable threads discovery in GC])],
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gc_no_thread_discovery=$enableval)
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if test "${gc_no_thread_discovery}" = "yes"; then
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AC_DEFINE([GC_NO_THREADS_DISCOVERY], 1,
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[Disable threads discovery in GC])
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fi
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AC_ARG_ENABLE(gc-threads,
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[AC_HELP_STRING([--enable-gc-threads=yes|no],
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[Enable threads])],
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gc_threads=$enableval)
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if test "${gc_threads}" = "yes"; then
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AC_DEFINE([GC_THREADS], 1,
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[Enable threads])
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fi
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dnl Features which may be selected in the following thread-detection switch.
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AH_TEMPLATE([PARALLEL_MARK], [Define to enable parallel marking.])
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AH_TEMPLATE([THREAD_LOCAL_ALLOC],
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[Define to enable thread-local allocation optimization.])
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AH_TEMPLATE([USE_COMPILER_TLS],
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[Define to use of compiler-support for thread-local variables.])
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dnl Thread selection macros.
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AH_TEMPLATE([GC_THREADS], [Define to support platform-specific
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threads.])
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AH_TEMPLATE([GC_WIN32_PTHREADS],
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[Define to support pthreads-win32 or winpthreads.])
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dnl System header feature requests.
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AH_TEMPLATE([_POSIX_C_SOURCE], [The POSIX feature macro.])
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AH_TEMPLATE([_PTHREADS], [Indicates the use of pthreads (NetBSD).])
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dnl Win32-specific API usage controls.
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AH_TEMPLATE([GC_UNDERSCORE_STDCALL],
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[Explicitly prefix exported/imported WINAPI symbols with '_'.])
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AH_TEMPLATE([UNICODE],
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[Use Unicode (W) variant of Win32 API instead of ASCII (A) one.])
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dnl GC API symbols export control.
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AH_TEMPLATE([GC_DLL],
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[Define to build dynamic libraries with only API symbols exposed.])
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dnl Check for a flavor of supported inline keyword.
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old_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $CFLAGS_EXTRA"
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AC_C_INLINE
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CFLAGS="$old_CFLAGS"
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THREADDLLIBS=
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need_atomic_ops_asm=false
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## Libraries needed to support dynamic loading and/or threads.
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case "$THREADS" in
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no | none | single)
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THREADS=none
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;;
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posix | pthreads)
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THREADS=posix
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default_threadlibs=false
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# Common defines for most POSIX platforms.
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case "$host" in
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*-*-aix* | *-*-android* | *-*-cygwin* | *-*-darwin* | *-*-dragonfly* | \
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*-*-freebsd* | *-*-haiku* | *-*-hpux11* | *-*-irix* | \
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*-*-kfreebsd*-gnu | *-*-gnu* | *-*-*linux* | *-*-nacl* | \
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*-*-netbsd* | *-*-openbsd* | *-*-osf* | *-*-solaris*)
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AC_DEFINE(GC_THREADS)
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AC_DEFINE([_REENTRANT], [1],
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[Required define if using POSIX threads.])
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if test "${enable_parallel_mark}" != no; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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if test "${enable_thread_local_alloc}" != no; then
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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fi
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default_threadlibs=true
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AC_MSG_WARN("Explicit GC_INIT() calls may be required.")
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;;
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esac
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AC_CHECK_LIB(pthread, pthread_self, THREADDLLIBS="-lpthread",,)
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case "$host" in
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*-*-hpux11*)
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AC_MSG_WARN("Only HP/UX 11 POSIX threads are supported.")
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AC_DEFINE(_POSIX_C_SOURCE,199506L)
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THREADDLLIBS="-lpthread -lrt"
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# HPUX needs REENTRANT for the _r calls.
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;;
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*-*-openbsd*)
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AM_CFLAGS="$AM_CFLAGS -pthread"
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THREADDLLIBS=-pthread
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;;
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*-*-freebsd*)
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AM_CFLAGS="$AM_CFLAGS -pthread"
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;;
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*-*-kfreebsd*-gnu)
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AM_CFLAGS="$AM_CFLAGS -pthread"
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THREADDLLIBS=-pthread
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;;
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*-*-gnu*) # E.g. linux but excluding kfreebsd.
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# The default THREADDLLIBS.
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;;
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*-*-netbsd*)
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AC_MSG_WARN("Only on NetBSD 2.0 or later.")
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AC_DEFINE(_PTHREADS)
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THREADDLLIBS="-lpthread -lrt"
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;;
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*-*-solaris*)
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THREADDLLIBS="-lpthread -lrt"
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;;
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*-*-cygwin*)
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# Cygwin doesn't have a real libpthread, so Libtool can't link
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# against it.
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THREADDLLIBS=""
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win32_threads=true
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;;
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*-*-mingw*)
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AC_DEFINE(GC_WIN32_PTHREADS)
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# Using pthreads-win32 (or other non-Cygwin pthreads) library.
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if test "${enable_parallel_mark}" != no; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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if test "${enable_thread_local_alloc}" != no; then
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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fi
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THREADDLLIBS="-lpthread"
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win32_threads=true
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;;
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*-*-darwin*)
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darwin_threads=true
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;;
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*-*-osf*)
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AM_CFLAGS="$AM_CFLAGS -pthread"
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THREADDLLIBS="-lpthread -lrt"
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;;
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*)
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AS_IF([test x$default_threadlibs != xtrue],
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[ AC_MSG_ERROR(
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[Pthreads not supported by the GC on this platform]) ])
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# The default THREADDLLIBS.
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;;
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esac
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case "$host" in
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sparc*-*-solaris*)
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if test "$GCC" != yes; then
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need_atomic_ops_asm=true
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fi
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;;
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esac
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;;
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win32)
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AC_DEFINE(GC_THREADS)
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if test "${enable_parallel_mark}" != no; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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if test "${enable_thread_local_alloc}" != no; then
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if test "${enable_parallel_mark}" != no \
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-o "${enable_shared}" != yes -o "${enable_static}" != no; then
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# Imply THREAD_LOCAL_ALLOC unless GC_DLL.
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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fi
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fi
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if test "${enable_win32_dllmain}" = yes; then
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AC_DEFINE(GC_INSIDE_DLL, 1,
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[Enable Win32 DllMain-based approach of threads registering.])
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fi
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win32_threads=true
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AC_DEFINE([EMPTY_GETENV_RESULTS], [1],
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[Wine getenv may not return NULL for missing entry.])
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;;
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dgux386)
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AC_DEFINE(GC_THREADS)
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THREADS=dgux386
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AC_MSG_RESULT($THREADDLLIBS)
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# Use pthread GCC switch
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THREADDLLIBS=-pthread
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if test "${enable_parallel_mark}" != no; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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if test "${enable_thread_local_alloc}" != no; then
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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fi
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AC_MSG_WARN("Explicit GC_INIT() calls may be required.")
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AM_CFLAGS="-pthread $AM_CFLAGS"
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;;
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aix)
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THREADS=posix
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THREADDLLIBS=-lpthread
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AC_DEFINE(GC_THREADS)
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AC_DEFINE(_REENTRANT)
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if test "${enable_parallel_mark}" != no; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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if test "${enable_thread_local_alloc}" != no; then
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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fi
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;;
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rtems)
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THREADS=posix
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AC_DEFINE(GC_THREADS)
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if test "${enable_parallel_mark}" != no; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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if test "${enable_thread_local_alloc}" != no; then
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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fi
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;;
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decosf1 | irix | mach | os2 | solaris | dce | vxworks)
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AC_MSG_ERROR(thread package $THREADS not yet supported)
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;;
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*)
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AC_MSG_ERROR($THREADS is an unknown thread package)
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;;
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esac
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AC_SUBST(THREADDLLIBS)
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AM_CONDITIONAL(THREADS, test x$THREADS != xnone)
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AM_CONDITIONAL(PTHREADS, test x$THREADS = xposix)
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AM_CONDITIONAL(DARWIN_THREADS, test x$darwin_threads = xtrue)
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AM_CONDITIONAL(WIN32_THREADS, test x$win32_threads = xtrue)
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AM_CONDITIONAL(THREAD_LOCAL_ALLOC,
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test x$enable_thread_local_alloc != xno -a x$THREADS != xnone)
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compiler_suncc=no
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pthread_start_standalone=no
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case "$host" in
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*-*-*linux*)
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# Turn on the workaround described in pthread_start.c.
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AS_IF([test "$THREADS" = posix], [pthread_start_standalone=yes])
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;;
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powerpc-*-darwin*)
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powerpc_darwin=true
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;;
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*-*-solaris*)
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if test "$GCC" != yes; then
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# Solaris SunCC
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compiler_suncc=yes
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CFLAGS="-O $CFLAGS"
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fi
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;;
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*-*-wince*)
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if test "$enable_gc_debug" != "no"; then
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AC_DEFINE([GC_READ_ENV_FILE], 1,
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[Read environment variables from the GC 'env' file.])
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fi
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;;
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esac
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AM_CONDITIONAL(PTHREAD_START_STANDALONE,
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test x$pthread_start_standalone = xyes)
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if test "$GCC" = yes; then
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# Output all warnings.
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AC_MSG_CHECKING([whether compiler supports -Wextra])
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old_CFLAGS="$CFLAGS"
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CFLAGS="-Wextra $CFLAGS"
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AC_TRY_COMPILE([],[], [ac_cv_cc_wextra=yes], [ac_cv_cc_wextra=no])
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CFLAGS="$old_CFLAGS"
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AC_MSG_RESULT($ac_cv_cc_wextra)
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AS_IF([test "$ac_cv_cc_wextra" = yes], [WEXTRA="-Wextra"], [WEXTRA="-W"])
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AC_MSG_CHECKING([whether compiler supports -Wpedantic])
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CFLAGS="-Wpedantic -Wno-long-long $CFLAGS"
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AC_TRY_COMPILE([],[
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extern int quiet;
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], [ac_cv_cc_pedantic=yes], [ac_cv_cc_pedantic=no])
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CFLAGS="$old_CFLAGS"
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AC_MSG_RESULT($ac_cv_cc_pedantic)
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WPEDANTIC=
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AS_IF([test "$ac_cv_cc_pedantic" = yes],
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[WPEDANTIC="-Wpedantic -Wno-long-long"])
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CFLAGS="-Wall $WEXTRA $WPEDANTIC $CFLAGS"
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fi
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AC_MSG_CHECKING(for xlc)
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AC_TRY_COMPILE([],[
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#ifndef __xlC__
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# error
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#endif
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], [compiler_xlc=yes], [compiler_xlc=no])
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AC_MSG_RESULT($compiler_xlc)
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if test $compiler_xlc = yes -a "$powerpc_darwin" = true; then
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# the darwin stack-frame-walking code is completely broken on xlc
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AC_DEFINE([DARWIN_DONT_PARSE_STACK], 1, [See doc/README.macros.])
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fi
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|
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# XLC neither requires nor tolerates the unnecessary assembler goop.
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# Similar for the Sun C compiler.
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AM_CONDITIONAL([ASM_WITH_CPP_UNSUPPORTED],
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[test $compiler_xlc = yes -o $compiler_suncc = yes])
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|
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if test "$GCC" = yes; then
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# Disable aliasing optimization unless forced to.
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AC_MSG_CHECKING([whether compiler supports -fno-strict-aliasing])
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ac_cv_fno_strict_aliasing=no
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for cflag in $CFLAGS; do
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case "$cflag" in
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-fstrict-aliasing)
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# Opposite option already present
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ac_cv_fno_strict_aliasing=skipped
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break
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;;
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esac
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done
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|
if test "$ac_cv_fno_strict_aliasing" != skipped; then
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old_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fno-strict-aliasing"
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AC_TRY_COMPILE([],[], [ac_cv_fno_strict_aliasing=yes], [])
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CFLAGS="$old_CFLAGS"
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AS_IF([test "$ac_cv_fno_strict_aliasing" = yes],
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[CFLAGS="$CFLAGS -fno-strict-aliasing"], [])
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fi
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AC_MSG_RESULT($ac_cv_fno_strict_aliasing)
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fi
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# Check for getcontext (uClibc can be configured without it, for example)
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AC_CHECK_FUNC([getcontext], [],
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[ AC_DEFINE([NO_GETCONTEXT], [1], [Missing getcontext()]) ])
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|
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# Check whether dl_iterate_phdr exists (as a strong symbol).
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AC_CHECK_FUNCS([dl_iterate_phdr])
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|
|
case "$host" in
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# While IRIX 6 has libdl for the O32 and N32 ABIs, it's missing for N64
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# and unnecessary everywhere.
|
|
mips-sgi-irix6*) ;;
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# We never want libdl on darwin. It is a fake libdl that just ends up making
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# dyld calls anyway. The same applies to Cygwin.
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*-*-darwin*) ;;
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*-*-cygwin*) ;;
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*)
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AC_CHECK_LIB(dl, dlopen, THREADDLLIBS="$THREADDLLIBS -ldl")
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;;
|
|
esac
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|
|
case "$host" in
|
|
*-*-hpux*)
|
|
avoid_cpp_lib=yes;;
|
|
*)
|
|
avoid_cpp_lib=no;
|
|
;;
|
|
esac
|
|
AM_CONDITIONAL(AVOID_CPP_LIB,test $avoid_cpp_lib = yes)
|
|
|
|
# Check for various headers.
|
|
AC_CHECK_HEADER([execinfo.h], [],
|
|
[ AC_DEFINE([GC_MISSING_EXECINFO_H], [1], [Missing execinfo.h header]) ])
|
|
|
|
# extra LD Flags which are required for targets
|
|
case "${host}" in
|
|
*-*-darwin*)
|
|
extra_ldflags_libgc=-Wl,-single_module
|
|
;;
|
|
esac
|
|
AC_SUBST(extra_ldflags_libgc)
|
|
|
|
AC_SUBST(EXTRA_TEST_LIBS)
|
|
|
|
target_all=libgc.la
|
|
AC_SUBST(target_all)
|
|
|
|
dnl If the target is an eCos system, use the appropriate eCos
|
|
dnl I/O routines.
|
|
dnl FIXME: this should not be a local option but a global target
|
|
dnl system; at present there is no eCos target.
|
|
TARGET_ECOS="no"
|
|
AC_ARG_WITH(ecos,
|
|
[ --with-ecos enable runtime eCos target support],
|
|
TARGET_ECOS="$with_ecos"
|
|
)
|
|
|
|
addobjs=
|
|
addlibs=
|
|
CXXLIBS=
|
|
|
|
case "$TARGET_ECOS" in
|
|
no)
|
|
;;
|
|
*)
|
|
AC_DEFINE([ECOS], 1, [Define to enable eCos target support.])
|
|
AM_CPPFLAGS="-I${TARGET_ECOS}/include $AM_CPPFLAGS"
|
|
addobjs="$addobjs ecos.lo"
|
|
;;
|
|
esac
|
|
|
|
AM_CONDITIONAL(CPLUSPLUS, test "${enable_cplusplus}" = yes)
|
|
|
|
if test "$GCC" = yes; then
|
|
if test "${enable_cplusplus}" = yes; then
|
|
case "$host" in
|
|
*-*-cygwin* | *-*-mingw*)
|
|
AC_MSG_CHECKING([whether libsupc++ required])
|
|
SUPC="`$CXX -print-file-name=libsupc++.a 2>/dev/null`"
|
|
if test -n "$SUPC" -a "$SUPC" != "libsupc++.a"; then
|
|
AC_MSG_RESULT(yes)
|
|
CXXLIBS="-lsupc++"
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
;;
|
|
esac
|
|
fi
|
|
fi
|
|
|
|
AC_SUBST(CXX)
|
|
AC_SUBST(AM_CFLAGS)
|
|
AC_SUBST(AM_CPPFLAGS)
|
|
AC_SUBST(CXXLIBS)
|
|
|
|
# Configuration of shared libraries
|
|
#
|
|
AC_MSG_CHECKING(whether to build shared libraries)
|
|
AC_ENABLE_SHARED
|
|
|
|
case "$host" in
|
|
alpha-*-openbsd*)
|
|
enable_shared=no
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
|
|
AC_MSG_RESULT($enable_shared)
|
|
|
|
# Compile with GC_DLL defined unless building static libraries.
|
|
if test "${enable_shared}" = yes; then
|
|
if test "${enable_static}" = no; then
|
|
AC_DEFINE(GC_DLL)
|
|
if test "$GCC" = yes; then
|
|
# Pass -fvisibility=hidden option if supported
|
|
AC_MSG_CHECKING([whether compiler supports -fvisibility])
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="-Werror -fvisibility=hidden $CFLAGS"
|
|
AC_TRY_COMPILE([],[], [ac_cv_fvisibility_hidden=yes],
|
|
[ac_cv_fvisibility_hidden=no])
|
|
CFLAGS="$old_CFLAGS"
|
|
AS_IF([test "$ac_cv_fvisibility_hidden" = yes],
|
|
[CFLAGS="-DGC_VISIBILITY_HIDDEN_SET -fvisibility=hidden $CFLAGS"],
|
|
[CFLAGS="-DGC_NO_VISIBILITY $CFLAGS"])
|
|
AC_MSG_RESULT($ac_cv_fvisibility_hidden)
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# Configuration of machine-dependent code
|
|
#
|
|
AC_MSG_CHECKING(which machine-dependent code should be used)
|
|
machdep=
|
|
case "$host" in
|
|
alpha-*-openbsd*)
|
|
if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
|
|
AC_MSG_WARN(
|
|
"OpenBSD/Alpha without dlopen(). Shared library support is disabled.")
|
|
fi
|
|
;;
|
|
i?86-*-solaris2.[[89]])
|
|
# PROC_VDB appears to work in 2.8 and 2.9 but not in 2.10+ (for now).
|
|
AC_DEFINE([SOLARIS25_PROC_VDB_BUG_FIXED], 1,
|
|
[See the comment in gcconfig.h.])
|
|
;;
|
|
mips-*-*)
|
|
dnl AC_DEFINE(NO_EXECUTE_PERMISSION)
|
|
dnl This is now redundant, but it is also important for incremental GC
|
|
dnl performance under Irix.
|
|
;;
|
|
sparc-*-netbsd*)
|
|
machdep="sparc_netbsd_mach_dep.lo"
|
|
;;
|
|
sparc*-*-linux* | sparc*-*-openbsd* | sparc64-*-freebsd* | sparc64-*-netbsd*)
|
|
machdep="sparc_mach_dep.lo"
|
|
;;
|
|
sparc-sun-solaris2.3)
|
|
machdep="sparc_mach_dep.lo"
|
|
AC_DEFINE(SUNOS53_SHARED_LIB, 1,
|
|
[Define to work around a Solaris 5.3 bug (see dyn_load.c).])
|
|
;;
|
|
sparc*-sun-solaris2*)
|
|
machdep="sparc_mach_dep.lo"
|
|
;;
|
|
ia64-*-*)
|
|
machdep="ia64_save_regs_in_stack.lo"
|
|
;;
|
|
*-*-nacl*)
|
|
AC_DEFINE(NO_EXECUTE_PERMISSION)
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT($machdep)
|
|
addobjs="$addobjs $machdep"
|
|
AC_SUBST(addobjs)
|
|
AC_SUBST(addlibs)
|
|
|
|
AC_PROG_LIBTOOL
|
|
|
|
dnl We use these options to decide which functions to include.
|
|
AC_ARG_WITH(target-subdir,
|
|
[ --with-target-subdir=SUBDIR
|
|
configuring with a cross compiler])
|
|
AC_ARG_WITH(cross-host,
|
|
[ --with-cross-host=HOST configuring with a cross compiler])
|
|
|
|
# automake wants to see AC_EXEEXT. But we don't need it. And having
|
|
# it is actually a problem, because the compiler we're passed can't
|
|
# necessarily do a full link. So we fool automake here.
|
|
if false; then
|
|
# autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
|
|
# to nothing, so nothing would remain between `then' and `fi' if it
|
|
# were not for the `:' below.
|
|
:
|
|
AC_EXEEXT
|
|
fi
|
|
|
|
dnl As of 4.13a2, the collector will not properly work on Solaris when
|
|
dnl built with gcc and -O. So we remove -O in the appropriate case.
|
|
dnl Not needed anymore on Solaris.
|
|
AC_MSG_CHECKING(whether Solaris gcc optimization fix is necessary)
|
|
case "$host" in
|
|
*aix*)
|
|
if test "$GCC" = yes; then
|
|
AC_MSG_RESULT(yes)
|
|
new_CFLAGS=
|
|
for i in $CFLAGS; do
|
|
case "$i" in
|
|
-O*)
|
|
;;
|
|
*)
|
|
new_CFLAGS="$new_CFLAGS $i"
|
|
;;
|
|
esac
|
|
done
|
|
CFLAGS="$new_CFLAGS"
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
;;
|
|
*) AC_MSG_RESULT(no) ;;
|
|
esac
|
|
|
|
dnl Include defines that have become de facto standard.
|
|
dnl ALL_INTERIOR_POINTERS and NO_EXECUTE_PERMISSION can be overridden
|
|
dnl in the startup code.
|
|
AC_DEFINE([NO_EXECUTE_PERMISSION], [1],
|
|
[Define to make the collector not allocate executable memory
|
|
by default.])
|
|
AC_DEFINE([ALL_INTERIOR_POINTERS], [1],
|
|
[Define to recognise all pointers to the interior of objects.])
|
|
|
|
|
|
dnl Interface Selection
|
|
dnl -------------------
|
|
dnl
|
|
dnl By default, make the library as general as possible.
|
|
dnl enable_gcj_support=no
|
|
AC_ARG_ENABLE(gcj-support,
|
|
[AC_HELP_STRING([--disable-gcj-support],
|
|
[Disable support for gcj.])])
|
|
if test x"$enable_gcj_support" != xno; then
|
|
AC_DEFINE(GC_GCJ_SUPPORT, 1, [Define to include support for gcj.])
|
|
case "$host" in
|
|
*-*-kfreebsd*-gnu)
|
|
# FIXME: For a reason, gctest hangs up on kFreeBSD if both of
|
|
# THREAD_LOCAL_ALLOC and GC_ENABLE_SUSPEND_THREAD are defined.
|
|
if test "${enable_thread_local_alloc}" = no; then
|
|
AC_DEFINE(GC_ENABLE_SUSPEND_THREAD)
|
|
fi
|
|
;;
|
|
*)
|
|
AC_DEFINE([GC_ENABLE_SUSPEND_THREAD], 1,
|
|
[Define to turn on GC_suspend_thread support.])
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
dnl Interaction with other programs that might use signals.
|
|
AC_ARG_ENABLE(sigrt-signals,
|
|
[AC_HELP_STRING([--enable-sigrt-signals],
|
|
[Force GC to use SIGRTMIN-based signals for thread suspend/resume])])
|
|
if test x"${enable_sigrt_signals}" = xyes; then
|
|
AC_DEFINE([GC_USESIGRT_SIGNALS], 1,
|
|
[Force the GC to use signals based on SIGRTMIN+k.])
|
|
fi
|
|
|
|
|
|
dnl Debugging
|
|
dnl ---------
|
|
|
|
AH_TEMPLATE([GC_HAVE_BUILTIN_BACKTRACE],
|
|
[Define if backtrace information is supported.])
|
|
AH_TEMPLATE([MAKE_BACK_GRAPH], [See doc/README.macros.])
|
|
AH_TEMPLATE([SAVE_CALL_COUNT],
|
|
[The number of caller frames saved when allocating with the
|
|
debugging API.])
|
|
UNWINDLIBS=
|
|
AC_ARG_ENABLE(gc-debug,
|
|
[AC_HELP_STRING([--enable-gc-debug],
|
|
[include full support for pointer backtracing etc.])],
|
|
[ if test "$enable_gc_debug" = "yes"; then
|
|
AC_MSG_WARN("Should define GC_DEBUG and use debug alloc in clients.")
|
|
AC_DEFINE([KEEP_BACK_PTRS], 1,
|
|
[Define to save back-pointers in debugging headers.])
|
|
keep_back_ptrs=true
|
|
AC_DEFINE([DBG_HDRS_ALL], 1,
|
|
[Define to force debug headers on all objects.])
|
|
AH_TEMPLATE([SHORT_DBG_HDRS],
|
|
[Shorten the headers to minimize object size at the expense
|
|
of checking for writes past the end (see doc/README.macros).])
|
|
|
|
case $host in
|
|
ia64-*-linux* )
|
|
AC_DEFINE(MAKE_BACK_GRAPH)
|
|
AC_DEFINE(SAVE_CALL_COUNT, 8)
|
|
AC_CHECK_LIB(unwind, backtrace, [
|
|
AC_DEFINE(GC_HAVE_BUILTIN_BACKTRACE)
|
|
UNWINDLIBS=-lunwind
|
|
AC_MSG_WARN("Client code may need to link against libunwind.")
|
|
])
|
|
;;
|
|
x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
|
|
AC_DEFINE(MAKE_BACK_GRAPH)
|
|
AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
|
|
AC_DEFINE(SAVE_CALL_COUNT, 8)
|
|
;;
|
|
i[3456]86-*-dgux*)
|
|
AC_DEFINE(MAKE_BACK_GRAPH)
|
|
;;
|
|
esac ]
|
|
fi)
|
|
AM_CONDITIONAL([MAKE_BACK_GRAPH], [test x"$enable_gc_debug" = xyes])
|
|
AM_CONDITIONAL([KEEP_BACK_PTRS], [test x"$keep_back_ptrs" = xtrue])
|
|
|
|
# Check for dladdr (used for debugging).
|
|
AC_MSG_CHECKING(for dladdr)
|
|
have_dladdr=no
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS $CFLAGS_EXTRA"
|
|
AC_TRY_COMPILE([
|
|
#define _GNU_SOURCE 1
|
|
#include <dlfcn.h>], [{
|
|
Dl_info info;
|
|
(void)dladdr("", &info);
|
|
}], [ have_dladdr=yes ])
|
|
CFLAGS="$old_CFLAGS"
|
|
AC_MSG_RESULT($have_dladdr)
|
|
if test x"$have_dladdr" = xyes; then
|
|
AC_DEFINE([HAVE_DLADDR], 1, [Define to use 'dladdr' function.])
|
|
fi
|
|
|
|
# sigsetjmp could be a macro (thus AC_CHECK_FUNCS cannot be used).
|
|
AC_MSG_CHECKING(for sigsetjmp)
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS $CFLAGS_EXTRA"
|
|
AC_TRY_LINK([#include <setjmp.h>],
|
|
[sigjmp_buf t; sigsetjmp(t, 0)],
|
|
[AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)
|
|
AC_DEFINE([GC_NO_SIGSETJMP], [1], [Missing sigsetjmp])])
|
|
CFLAGS="$old_CFLAGS"
|
|
|
|
# Check for AViiON Machines running DGUX
|
|
ac_is_dgux=no
|
|
AC_CHECK_HEADER(sys/dg_sys_info.h,
|
|
[ac_is_dgux=yes;])
|
|
|
|
## :GOTCHA: we do not check anything but sys/dg_sys_info.h
|
|
if test $ac_is_dgux = yes; then
|
|
dgux_spec_opts="-DDGUX -D_DGUX_SOURCE -Di386 -mno-legend -O2"
|
|
CFLAGS="$dgux_spec_opts $CFLAGS"
|
|
CXXFLAGS="$dgux_spec_opts $CXXFLAGS"
|
|
if test "$enable_gc_debug" = "yes"; then
|
|
CFLAGS="-g -mstandard $CFLAGS"
|
|
CXXFLAGS="-g -mstandard $CXXFLAGS"
|
|
fi
|
|
AC_SUBST(CFLAGS)
|
|
AC_SUBST(CXXFLAGS)
|
|
fi
|
|
|
|
AC_ARG_ENABLE(java-finalization,
|
|
[AC_HELP_STRING([--disable-java-finalization],
|
|
[Disable support for java finalization.])])
|
|
if test x"$enable_java_finalization" != xno; then
|
|
AC_DEFINE([JAVA_FINALIZATION], 1, [See doc/README.macros.])
|
|
fi
|
|
|
|
AC_ARG_ENABLE(atomic-uncollectable,
|
|
[AC_HELP_STRING([--disable-atomic-uncollectible],
|
|
[Disable support for atomic uncollectible allocation.])])
|
|
if test x"$enable_atomic_uncollectible" != x"no"; then
|
|
AC_DEFINE([GC_ATOMIC_UNCOLLECTABLE], 1,
|
|
[Define to enable atomic uncollectible allocation.])
|
|
fi
|
|
|
|
AC_ARG_ENABLE(redirect-malloc,
|
|
[AC_HELP_STRING([--enable-redirect-malloc],
|
|
[Redirect malloc and friends to GC routines])])
|
|
|
|
if test "${enable_redirect_malloc}" = yes; then
|
|
if test "${enable_gc_debug}" = yes; then
|
|
AC_DEFINE([REDIRECT_MALLOC], GC_debug_malloc_replacement,
|
|
[If defined, redirect malloc to this function.])
|
|
AC_DEFINE([REDIRECT_REALLOC], GC_debug_realloc_replacement,
|
|
[If defined, redirect GC_realloc to this function.])
|
|
AC_DEFINE([REDIRECT_FREE], GC_debug_free,
|
|
[If defined, redirect free to this function.])
|
|
else
|
|
AC_DEFINE(REDIRECT_MALLOC, GC_malloc)
|
|
fi
|
|
AC_DEFINE([GC_USE_DLOPEN_WRAP], 1, [See doc/README.macros.])
|
|
fi
|
|
|
|
AC_ARG_ENABLE(disclaim,
|
|
[AC_HELP_STRING([--disable-disclaim],
|
|
[Disable alternative (more efficient) finalization interface.])])
|
|
if test x"$enable_disclaim" != xno; then
|
|
AC_DEFINE(ENABLE_DISCLAIM, 1,
|
|
[Define to enable alternative finalization interface.])
|
|
fi
|
|
AM_CONDITIONAL(ENABLE_DISCLAIM,
|
|
[test x"$enable_disclaim" != xno])
|
|
|
|
AC_ARG_ENABLE(large-config,
|
|
[AC_HELP_STRING([--enable-large-config],
|
|
[Optimize for large (> 100 MB) heap or root set])])
|
|
|
|
if test "${enable_large_config}" = yes; then
|
|
AC_DEFINE(LARGE_CONFIG, 1, [Define to optimize for large heaps or root sets.])
|
|
fi
|
|
|
|
AC_ARG_ENABLE(handle-fork,
|
|
[AC_HELP_STRING([--enable-handle-fork[=yes|no|auto|manual]],
|
|
[Attempt to ensure a usable collector after fork()
|
|
in multi-threaded programs (default: auto;
|
|
manual: GC_atfork_prepare/parent/child should be
|
|
called by the client)])])
|
|
if test "${enable_handle_fork}" = yes; then
|
|
AC_DEFINE(HANDLE_FORK, 1,
|
|
[Define to install pthread_atfork() handlers by default.])
|
|
elif test "${enable_handle_fork}" = no; then
|
|
AC_DEFINE(NO_HANDLE_FORK, 1,
|
|
[Prohibit installation of pthread_atfork() handlers.])
|
|
fi
|
|
|
|
dnl This is something of a hack. When cross-compiling we turn off
|
|
dnl some functionality. We also enable the "small" configuration.
|
|
dnl These is only correct when targeting an embedded system. FIXME.
|
|
if test -n "${with_cross_host}"; then
|
|
AC_DEFINE([NO_CLOCK], 1, [Define to not use system clock (cross compiling).])
|
|
AC_DEFINE([SMALL_CONFIG], 1,
|
|
[Define to tune the collector for small heap sizes.])
|
|
fi
|
|
|
|
if test "$enable_gc_debug" = "no"; then
|
|
AC_DEFINE([NO_DEBUGGING], 1,
|
|
[Disable debugging, like GC_dump and its callees.])
|
|
fi
|
|
|
|
AC_SUBST(UNWINDLIBS)
|
|
|
|
AC_ARG_ENABLE(gc-assertions,
|
|
[AC_HELP_STRING([--enable-gc-assertions],
|
|
[collector-internal assertion checking])])
|
|
if test "${enable_gc_assertions}" = yes; then
|
|
AC_DEFINE([GC_ASSERTIONS], 1, [Define to enable internal debug assertions.])
|
|
fi
|
|
|
|
AC_ARG_ENABLE(munmap,
|
|
[AC_HELP_STRING([--enable-munmap=N],
|
|
[Return page to the OS if empty for N collections
|
|
(default: 6)])],
|
|
MUNMAP_THRESHOLD=$enableval)
|
|
if test x$enable_munmap != xno; then
|
|
AC_DEFINE([USE_MMAP], 1,
|
|
[Define to use mmap instead of sbrk to expand the heap.])
|
|
AH_TEMPLATE([USE_WINALLOC],
|
|
[Define to use Win32 VirtualAlloc (instead of sbrk or
|
|
mmap) to expand the heap.])
|
|
AC_DEFINE([USE_MUNMAP], 1,
|
|
[Define to return memory to OS with munmap calls
|
|
(see doc/README.macros).])
|
|
if test x$MUNMAP_THRESHOLD = x -o x$MUNMAP_THRESHOLD = xyes; then
|
|
MUNMAP_THRESHOLD=6
|
|
fi
|
|
AC_DEFINE_UNQUOTED([MUNMAP_THRESHOLD], [${MUNMAP_THRESHOLD}],
|
|
[Number of GC cycles to wait before unmapping an unused block.])
|
|
fi
|
|
|
|
AC_ARG_ENABLE(mmap,
|
|
[AC_HELP_STRING([--enable-mmap=yes|no],
|
|
[return page to the os if empty for N collections])],
|
|
gc_use_mmap=$enableval)
|
|
if test "${gc_use_mmap}" = "yes"; then
|
|
AC_DEFINE([USE_MMAP], 1,
|
|
[Define to use mmap instead of sbrk to expand the heap.])
|
|
fi
|
|
|
|
AC_ARG_ENABLE(ignore-dynamic-loading,
|
|
[AC_HELP_STRING([--enable-ignore-dynamic-loading=yes|no],
|
|
[Don't define DYNAMIC_LOADING even if supported])],
|
|
ignore_dynamic_loading=$enableval)
|
|
if test "${ignore_dynamic_loading}" = "yes"; then
|
|
AC_DEFINE([IGNORE_DYNAMIC_LOADING], 1,
|
|
[Don't define DYNAMIC_LOADING even if supported])
|
|
fi
|
|
|
|
AC_ARG_ENABLE(dont-register-main-static-data,
|
|
[AC_HELP_STRING([--enable-dont-register-main-static-data=yes|no],
|
|
[GC_DONT_REGISTER_MAIN_STATIC_DATA])],
|
|
dont_register_main_static_data=$enableval)
|
|
if test "${dont_register_main_static_data}" = "yes"; then
|
|
AC_DEFINE([GC_DONT_REGISTER_MAIN_STATIC_DATA], 1,
|
|
[GC_DONT_REGISTER_MAIN_STATIC_DATA])
|
|
fi
|
|
|
|
|
|
AC_ARG_ENABLE(checksums,
|
|
[AS_HELP_STRING([--enable-checksums],
|
|
[Report on erroneously cleared dirty bits at
|
|
substantial performance cost; use only for
|
|
debugging of the incremental collector])])
|
|
if test x$enable_checksums = xyes; then
|
|
if test x$enable_munmap != xno -o x$THREADS != xnone; then
|
|
AC_MSG_ERROR([CHECKSUMS not compatible with USE_MUNMAP or threads])
|
|
fi
|
|
AC_DEFINE([CHECKSUMS], 1,
|
|
[Erroneously cleared dirty bits checking. Use only for
|
|
debugging of the incremental collector.])
|
|
fi
|
|
AM_CONDITIONAL([CHECKSUMS], test x$enable_checksums = xyes)
|
|
|
|
AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
|
|
|
|
AC_ARG_ENABLE(werror, [--enable-werror Pass -Werror to the C compiler],
|
|
werror_flag=$enableval, werror_flag=no)
|
|
if test x$werror_flag = xyes; then
|
|
WERROR_CFLAGS="-Werror"
|
|
case "$host" in
|
|
# _dyld_bind_fully_image_containing_address is deprecated in OS X 10.5+
|
|
*-*-darwin*)
|
|
WERROR_CFLAGS="$WERROR_CFLAGS -Wno-deprecated-declarations"
|
|
;;
|
|
esac
|
|
fi
|
|
AC_SUBST([WERROR_CFLAGS])
|
|
|
|
AC_ARG_ENABLE(single-obj-compilation,
|
|
[AC_HELP_STRING([--enable-single-obj-compilation],
|
|
[Compile all libgc source files into single .o
|
|
(default: yes if static libraries are disabled)])],
|
|
[], [ AS_IF([test x"$enable_static" = xno],
|
|
[enable_single_obj_compilation=yes]) ])
|
|
AM_CONDITIONAL([SINGLE_GC_OBJ],
|
|
[test x"$enable_single_obj_compilation" = xyes])
|
|
|
|
AC_ARG_ENABLE(gcov, AC_HELP_STRING([--enable-gcov],
|
|
[Turn on code coverage analysis]))
|
|
if test "$enable_gcov" = "yes"; then
|
|
CFLAGS="$CFLAGS --coverage"
|
|
if test "${enable_shared}" = no; then
|
|
# FIXME: As of g++-4.8.4/x86_64, in case of shared library build, test_cpp
|
|
# linkage fails with "hidden symbol atexit is referenced by DSO" message.
|
|
CXXFLAGS="$CXXFLAGS --coverage"
|
|
fi
|
|
# Turn off optimization to get accurate line numbers.
|
|
CFLAGS=`echo "$CFLAGS" | sed -e 's/-O\(1\|2\|3\|4\|s\|fast\)\?//g'`
|
|
CXXFLAGS=`echo "$CXXFLAGS" | sed -e 's/-O\(1\|2\|3\|4\|s\|fast\)\?//g'`
|
|
fi
|
|
|
|
AC_ARG_ENABLE(docs,
|
|
[AC_HELP_STRING([--disable-docs],
|
|
[Do not build and install documentation])])
|
|
AM_CONDITIONAL(ENABLE_DOCS, test x$enable_docs != xno)
|
|
|
|
# Atomic Ops
|
|
# ----------
|
|
|
|
# Do we want to use an external libatomic_ops? By default use it if it's
|
|
# found.
|
|
AC_ARG_WITH([libatomic-ops],
|
|
[AS_HELP_STRING([--with-libatomic-ops[=yes|no|check|none]],
|
|
[Use an external libatomic_ops? (default: check;
|
|
none: use compiler intrinsics or no thread support)])],
|
|
[], [ AS_IF([test x"$THREADS" != xnone],
|
|
[with_libatomic_ops=check], [with_libatomic_ops=none]) ])
|
|
|
|
# Check whether compiler atomic intrinsics can be used.
|
|
if test x"$with_libatomic_ops" = xcheck; then
|
|
AC_MSG_CHECKING(for compiler intrinsics support)
|
|
old_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS $CFLAGS_EXTRA -DGC_BUILTIN_ATOMIC"
|
|
CFLAGS="$CFLAGS -I${srcdir}/include -I${srcdir}/tests"
|
|
AC_TRY_RUN([#include "test_atomic_ops.c"],
|
|
[AC_MSG_RESULT(yes)
|
|
with_libatomic_ops=none],
|
|
[AC_MSG_RESULT(no)], [AC_MSG_RESULT(skipped because cross-compiling)])
|
|
CFLAGS="$old_CFLAGS"
|
|
fi
|
|
|
|
# Check for an external libatomic_ops if the above answer is "yes" or "check".
|
|
# If not found, fail on "yes", and convert "check" to "no".
|
|
# First, check that libatomic_ops usage is not disabled explicitly.
|
|
missing_libatomic_ops=false
|
|
#AS_IF([test x"$with_libatomic_ops" != xno -a x"$with_libatomic_ops" != xnone],
|
|
# [ missing_libatomic_ops=true ])
|
|
|
|
# Note: "syntax error near unexpected token ATOMIC_OPS" reported by configure
|
|
# means Autotools pkg.m4 file was not found during aclocal.m4 generation;
|
|
# in this case, most probably, you should run pkg-config once before running
|
|
# autogen.sh (autoreconf); alternatively, comment out the following 3 lines.
|
|
#AS_IF([test x$missing_libatomic_ops = xtrue],
|
|
# [ PKG_CHECK_MODULES([ATOMIC_OPS], [atomic_ops],
|
|
# [ missing_libatomic_ops=false ], [ [] ]) ])
|
|
|
|
# Retry with AC_CHECK_HEADER if PKG_CHECK_MODULES failed.
|
|
AS_IF([test x$missing_libatomic_ops = xtrue],
|
|
[ AC_CHECK_HEADER([atomic_ops.h], [missing_libatomic_ops=false]) ])
|
|
AS_IF([test x$missing_libatomic_ops = xtrue],
|
|
[ AS_IF([test x"$with_libatomic_ops" != xcheck],
|
|
[ AC_MSG_ERROR([An external libatomic_ops was not found]) ])
|
|
with_libatomic_ops=no ])
|
|
|
|
# If we have neither an external or an internal version, offer a useful hint
|
|
# and exit.
|
|
AS_IF([test x"$with_libatomic_ops" = xno \
|
|
-a ! -e "$srcdir/libatomic_ops/src/atomic_ops.h"],
|
|
[ AC_MSG_ERROR([libatomic_ops is required. You can either install it on
|
|
your system, or fetch and unpack a recent version into the
|
|
source directory and link or rename it to libatomic_ops.]) ])
|
|
|
|
# Finally, emit the definitions for bundled or external AO.
|
|
AC_MSG_CHECKING([which libatomic_ops to use])
|
|
AS_IF([test x"$with_libatomic_ops" != xno],
|
|
[ AS_IF([test x"$with_libatomic_ops" != xnone -a x"$THREADS" != xnone],
|
|
[ AC_MSG_RESULT([external]) ],
|
|
[ AC_MSG_RESULT([none])
|
|
AS_IF([test x"$THREADS" != xnone],
|
|
[ AC_DEFINE([GC_BUILTIN_ATOMIC], [1],
|
|
[Use C11 (GCC) atomic intrinsics instead of
|
|
libatomic_ops primitives]) ]) ]) ],
|
|
[ AC_MSG_RESULT([internal])
|
|
ATOMIC_OPS_CFLAGS='-I$(top_builddir)/libatomic_ops/src -I$(top_srcdir)/libatomic_ops/src'
|
|
ATOMIC_OPS_LIBS=""
|
|
AC_SUBST([ATOMIC_OPS_CFLAGS])
|
|
AC_CONFIG_SUBDIRS([libatomic_ops])
|
|
])
|
|
AM_CONDITIONAL([USE_INTERNAL_LIBATOMIC_OPS],
|
|
[test x$with_libatomic_ops = xno -a x"$THREADS" != xnone])
|
|
AM_CONDITIONAL([NEED_ATOMIC_OPS_ASM],
|
|
[test x$with_libatomic_ops = xno -a x$need_atomic_ops_asm = xtrue])
|
|
|
|
dnl Produce the Files
|
|
dnl -----------------
|
|
|
|
AC_CONFIG_FILES([Makefile bdw-gc.pc])
|
|
|
|
AC_CONFIG_COMMANDS([default],,
|
|
[ srcdir="${srcdir}"
|
|
host=${host}
|
|
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
|
|
CC="${CC}"
|
|
DEFS="$DEFS" ])
|
|
|
|
AC_OUTPUT
|