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https://github.com/brl/mutter.git
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132 lines
4.4 KiB
Plaintext
132 lines
4.4 KiB
Plaintext
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## Portability defines that help interoperate with classic and modern autoconfs
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ifdef([AC_TR_SH],[
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define([GLIB_TR_SH],[AC_TR_SH([$1])])
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define([GLIB_TR_CPP],[AC_TR_CPP([$1])])
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], [
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define([GLIB_TR_SH],
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[patsubst(translit([[$1]], [*+], [pp]), [[^a-zA-Z0-9_]], [_])])
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define([GLIB_TR_CPP],
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[patsubst(translit([[$1]],
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[*abcdefghijklmnopqrstuvwxyz],
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[PABCDEFGHIJKLMNOPQRSTUVWXYZ]),
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[[^A-Z0-9_]], [_])])
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])
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# GLIB_AC_DIVERT_BEFORE_HELP(STUFF)
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# ---------------------------------
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# Put STUFF early enough so that they are available for $ac_help expansion.
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# Handle both classic (<= v2.13) and modern autoconf
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AC_DEFUN([GLIB_AC_DIVERT_BEFORE_HELP],
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[ifdef([m4_divert_text], [m4_divert_text([NOTICE],[$1])],
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[ifdef([AC_DIVERT], [AC_DIVERT([NOTICE],[$1])],
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[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
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$1
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AC_DIVERT_POP()])])])
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dnl GLIB_IF_VAR_EQ (ENV_VAR, VALUE [, EQUALS_ACTION] [, ELSE_ACTION])
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AC_DEFUN([GLIB_IF_VAR_EQ],[
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case "$[$1]" in
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"[$2]"[)]
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[$3]
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;;
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*[)]
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[$4]
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;;
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esac
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])
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dnl GLIB_STR_CONTAINS (SRC_STRING, SUB_STRING [, CONTAINS_ACTION] [, ELSE_ACTION])
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AC_DEFUN([GLIB_STR_CONTAINS],[
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case "[$1]" in
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*"[$2]"*[)]
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[$3]
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;;
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*[)]
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[$4]
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;;
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esac
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])
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dnl GLIB_ADD_TO_VAR (ENV_VARIABLE, CHECK_STRING, ADD_STRING)
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AC_DEFUN([GLIB_ADD_TO_VAR],[
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GLIB_STR_CONTAINS($[$1], [$2], [$1]="$[$1]", [$1]="$[$1] [$3]")
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])
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# GLIB_SIZEOF (INCLUDES, TYPE, ALIAS)
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# ---------------------------------------------------------------
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# The definition here is based of that of AC_CHECK_SIZEOF
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AC_DEFUN([GLIB_SIZEOF],
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[AS_LITERAL_IF([$3], [],
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[AC_FATAL([$0: requires literal arguments])])dnl
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AC_CACHE_CHECK([size of $2], AS_TR_SH([glib_cv_sizeof_$3]),
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[ # The cast to unsigned long works around a bug in the HP C Compiler
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# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
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# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
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# This bug is HP SR number 8606223364.
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_AC_COMPUTE_INT([(long) (sizeof ($2))],
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[AS_TR_SH([glib_cv_sizeof_$3])],
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[AC_INCLUDES_DEFAULT([$1])],
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[AC_MSG_ERROR([cannot compute sizeof ($2), 77])])
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])dnl
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AC_DEFINE_UNQUOTED(GLIB_TR_CPP(glib_sizeof_$3), $AS_TR_SH([glib_cv_sizeof_$3]),
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[The size of $3, as computed by sizeof.])
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])# GLIB_SIZEOF
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dnl GLIB_BYTE_CONTENTS (INCLUDES, TYPE, ALIAS, N_BYTES, INITIALIZER)
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AC_DEFUN([GLIB_BYTE_CONTENTS],
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[pushdef([glib_ByteContents], GLIB_TR_SH([glib_cv_byte_contents_$3]))dnl
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AC_CACHE_CHECK([byte contents of $5], glib_ByteContents,
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[AC_TRY_RUN([#include <stdio.h>
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$1
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main()
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{
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static $2 tv = $5;
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char *p = (char*) &tv;
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int i;
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FILE *f=fopen("conftestval", "w");
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if (!f) exit(1);
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for (i = 0; i < $4; i++)
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fprintf(f, "%s%d", i?",":"", *(p++));
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fprintf(f, "\n");
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exit(0);
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}],
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[glib_ByteContents=`cat conftestval` dnl''
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],
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[glib_ByteContents=no],
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[glib_ByteContents=no])])
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AC_DEFINE_UNQUOTED(GLIB_TR_CPP(glib_byte_contents_$3), [$[]glib_ByteContents],
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[Byte contents of $3])
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popdef([glib_ByteContents])dnl
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])
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# GLIB_CHECK_VALUE(SYMBOL, INCLUDES, ACTION-IF-FAIL)
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# ---------------------------------------------------------------
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AC_DEFUN([GLIB_CHECK_VALUE],
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[AC_CACHE_CHECK([value of $1], AS_TR_SH([glib_cv_value_$1]),
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[_AC_COMPUTE_INT([$1], AS_TR_SH([glib_cv_value_$1]), [$2], [$3])])
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])dnl
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# GLIB_CHECK_COMPILE_WARNINGS(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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# ---------------------------------------------------------------------
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# Try to compile PROGRAM, check for warnings
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m4_define([GLIB_CHECK_COMPILE_WARNINGS],
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[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
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rm -f conftest.$ac_objext
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glib_ac_compile_save="$ac_compile"
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ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext'
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AS_IF([_AC_EVAL_STDERR($ac_compile) &&
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AC_TRY_COMMAND([(if test -s conftest.err; then false ; else true; fi)])],
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[$2],
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[echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD
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cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD
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m4_ifvaln([$3],[$3])dnl])
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ac_compile="$glib_ac_compile_save"
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rm -f conftest.$ac_objext conftest.err m4_ifval([$1], [conftest.$ac_ext])[]dnl
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])# GLIB_CHECK_COMPILE_WARNINGS
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# GLIB_ASSERT_SET(VARIABLE)
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# -------------------------
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AC_DEFUN([GLIB_ASSERT_SET],
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[if test "x${$1+set}" != "xset" ; then
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AC_MSG_ERROR($1 [must be set in cache file when cross-compiling.])
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fi
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])dnl
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