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8e1994581d
This adds a format option to mach environment and uses it in client.mk to create a .mozconfig.json in the objdir, containing all the relevant data from mozconfig. If the mozconfig doesn't change in a way that alters that data, we still skip configure. At the same time, use mach environment in place of mozconfig2configure and mozconfig2client-mk, which makes us now have only one mozconfig reader. Also, in the mozconfig reader, keep track of environment variables (as opposed to shell variables), so that changes such as a variable that was exported not being exported anymore is spotted. At the opposite, in order for irrelevant environment variable changes not to incur in re-running configure, only a set of environment variables are stored when they are unmodified. Otherwise, changes such as using a different terminal window, or even rebooting, would trigger reconfigures. Finally, make mach environment emit both MOZ_OBJDIR and OBJDIR for client.mk, and cleanup some objdir-related things in client.mk.. At the same time, make the mozconfig reader take MOZ_OBJDIR from the environment if it is defined there and not in the mozconfig.
124 lines
4.5 KiB
Plaintext
124 lines
4.5 KiB
Plaintext
dnl This Source Code Form is subject to the terms of the Mozilla Public
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dnl License, v. 2.0. If a copy of the MPL was not distributed with this
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dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
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dnl altoptions.m4 - An alternative way of specifying command-line options.
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dnl These macros are needed to support a menu-based configurator.
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dnl This file also includes the macro, AM_READ_MYCONFIG, for reading
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dnl the 'myconfig.m4' file.
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dnl Send comments, improvements, bugs to Steve Lamm (slamm@netscape.com).
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dnl MOZ_ARG_ENABLE_BOOL( NAME, HELP, IF-YES [, IF-NO [, ELSE]])
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dnl MOZ_ARG_DISABLE_BOOL( NAME, HELP, IF-NO [, IF-YES [, ELSE]])
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dnl MOZ_ARG_ENABLE_STRING( NAME, HELP, IF-SET [, ELSE])
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dnl MOZ_ARG_ENABLE_BOOL_OR_STRING( NAME, HELP, IF-YES, IF-NO, IF-SET[, ELSE]]])
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dnl MOZ_ARG_WITH_BOOL( NAME, HELP, IF-YES [, IF-NO [, ELSE])
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dnl MOZ_ARG_WITHOUT_BOOL( NAME, HELP, IF-NO [, IF-YES [, ELSE])
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dnl MOZ_ARG_WITH_STRING( NAME, HELP, IF-SET [, ELSE])
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dnl MOZ_ARG_HEADER(Comment)
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dnl MOZ_READ_MYCONFIG() - Read in 'myconfig.sh' file
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dnl MOZ_TWO_STRING_TEST(NAME, VAL, STR1, IF-STR1, STR2, IF-STR2 [, ELSE])
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AC_DEFUN([MOZ_TWO_STRING_TEST],
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[if test "[$2]" = "[$3]"; then
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ifelse([$4], , :, [$4])
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elif test "[$2]" = "[$5]"; then
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ifelse([$6], , :, [$6])
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else
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ifelse([$7], ,
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[AC_MSG_ERROR([Option, [$1], does not take an argument ([$2]).])],
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[$7])
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fi])
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dnl MOZ_ARG_ENABLE_BOOL(NAME, HELP, IF-YES [, IF-NO [, ELSE]])
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AC_DEFUN([MOZ_ARG_ENABLE_BOOL],
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[AC_ARG_ENABLE([$1], [$2],
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[MOZ_TWO_STRING_TEST([$1], [$enableval], yes, [$3], no, [$4])],
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[$5])])
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dnl MOZ_ARG_DISABLE_BOOL(NAME, HELP, IF-NO [, IF-YES [, ELSE]])
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AC_DEFUN([MOZ_ARG_DISABLE_BOOL],
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[AC_ARG_ENABLE([$1], [$2],
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[MOZ_TWO_STRING_TEST([$1], [$enableval], no, [$3], yes, [$4])],
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[$5])])
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dnl MOZ_ARG_ENABLE_STRING(NAME, HELP, IF-SET [, ELSE])
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AC_DEFUN([MOZ_ARG_ENABLE_STRING],
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[AC_ARG_ENABLE([$1], [$2], [$3], [$4])])
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dnl MOZ_ARG_ENABLE_BOOL_OR_STRING(NAME, HELP, IF-YES, IF-NO, IF-SET[, ELSE]]])
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AC_DEFUN([MOZ_ARG_ENABLE_BOOL_OR_STRING],
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[ifelse([$5], ,
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[errprint([Option, $1, needs an "IF-SET" argument.
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])
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m4exit(1)],
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[AC_ARG_ENABLE([$1], [$2],
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[MOZ_TWO_STRING_TEST([$1], [$enableval], yes, [$3], no, [$4], [$5])],
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[$6])])])
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dnl MOZ_ARG_WITH_BOOL(NAME, HELP, IF-YES [, IF-NO [, ELSE])
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AC_DEFUN([MOZ_ARG_WITH_BOOL],
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[AC_ARG_WITH([$1], [$2],
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[MOZ_TWO_STRING_TEST([$1], [$withval], yes, [$3], no, [$4])],
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[$5])])
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dnl MOZ_ARG_WITHOUT_BOOL(NAME, HELP, IF-NO [, IF-YES [, ELSE])
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AC_DEFUN([MOZ_ARG_WITHOUT_BOOL],
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[AC_ARG_WITH([$1], [$2],
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[MOZ_TWO_STRING_TEST([$1], [$withval], no, [$3], yes, [$4])],
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[$5])])
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dnl MOZ_ARG_WITH_STRING(NAME, HELP, IF-SET [, ELSE])
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AC_DEFUN([MOZ_ARG_WITH_STRING],
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[AC_ARG_WITH([$1], [$2], [$3], [$4])])
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dnl MOZ_ARG_HEADER(Comment)
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dnl This is used by webconfig to group options
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define(MOZ_ARG_HEADER, [# $1])
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dnl MOZ_READ_MYCONFIG() - Read in 'myconfig.sh' file
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AC_DEFUN([MOZ_READ_MOZCONFIG],
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[AC_REQUIRE([AC_INIT_BINSH])dnl
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inserted=
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dnl Shell is hard, so here is what the following does:
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dnl - Reset $@ (command line arguments)
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dnl - Add the configure options from mozconfig to $@ one by one
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dnl - Add the original command line arguments after that, one by one
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dnl
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dnl There are several tricks involved:
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dnl - It is not possible to preserve the whitespaces in $@ by assigning to
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dnl another variable, so the two first steps above need to happen in the first
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dnl iteration of the third step.
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dnl - We always want the configure options to be added, so the loop must be
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dnl iterated at least once, so we add a dummy argument first, and discard it.
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dnl - something | while read line ... makes the while run in a subshell, meaning
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dnl that anything it does is not propagated to the main shell, so we can't do
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dnl set -- foo there. As a consequence, what the while loop reading mach
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dnl environment output does is output a set of shell commands for the main shell
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dnl to eval.
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dnl - Extra care is due when lines from mach environment output contain special
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dnl shell characters, so we use ' for quoting and ensure no ' end up in between
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dnl the quoting mark unescaped.
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dnl Some of the above is directly done in mach environment --format=configure.
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failed_eval() {
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echo "Failed eval'ing the following:"
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$(dirname [$]0)/[$1]/mach environment --format=configure
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exit 1
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}
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set -- dummy "[$]@"
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for ac_option
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do
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if test -z "$inserted"; then
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set --
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eval "$($(dirname [$]0)/[$1]/mach environment --format=configure)" || failed_eval
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inserted=1
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else
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set -- "[$]@" "$ac_option"
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fi
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done
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])
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