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32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
# memcmp.m4 serial 13
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dnl Copyright (C) 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_FUNC_MEMCMP],
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[
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if test $cross_compiling != no; then
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# AC_FUNC_MEMCMP as of 2.62 defaults to 'no' when cross compiling.
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# We default to yes if memcmp appears to exist, which works
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# better for MinGW.
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AC_CACHE_CHECK([whether cross-compiling target has memcmp],
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[ac_cv_func_memcmp_working],
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[AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[#include <string.h>
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]], [[int ret = memcmp ("foo", "bar", 0);]])],
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[ac_cv_func_memcmp_working=yes],
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[ac_cv_func_memcmp_working=no])])
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fi
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AC_FUNC_MEMCMP
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dnl Note: AC_FUNC_MEMCMP does AC_LIBOBJ(memcmp).
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if test $ac_cv_func_memcmp_working = no; then
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AC_DEFINE(memcmp, rpl_memcmp,
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[Define to rpl_memcmp if the replacement function should be used.])
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gl_PREREQ_MEMCMP
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fi
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])
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# Prerequisites of lib/memcmp.c.
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AC_DEFUN([gl_PREREQ_MEMCMP], [:])
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