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emacs/m4/__inline.m4
Paul Eggert b1e5f6d6ef Update from Gnulib by running admin/merge-gnulib
* admin/merge-gnulib (AVOIDED_MODULES): Avoid gnulib-i18n.
* lib/stdlib.c, m4/selinux-selinux-h.m4:
New files, taken from Gnulib.
2024-12-17 14:13:54 -08:00

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# __inline.m4
# serial 1
dnl Copyright 2017-2024 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is offered as-is, without any warranty.
# Test for __inline keyword
AC_DEFUN([gl___INLINE],
[
AC_CACHE_CHECK([whether the compiler supports the __inline keyword],
[gl_cv_c___inline],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[typedef int foo_t;
static __inline foo_t foo (void) { return 0; }]],
[[return foo ();]])],
[gl_cv_c___inline=yes],
[gl_cv_c___inline=no])])
if test $gl_cv_c___inline = yes; then
AC_DEFINE([HAVE___INLINE], [1],
[Define to 1 if the compiler supports the keyword '__inline'.])
fi
])