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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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