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author | Ton Voon <tonvoon@users.sourceforge.net> | 2007-01-24 22:47:25 +0000 |
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committer | Ton Voon <tonvoon@users.sourceforge.net> | 2007-01-24 22:47:25 +0000 |
commit | fe856aa957978504137c1d425815d4ed8a22be40 (patch) | |
tree | a5bb46ce0e64b2056f75700eadbf27aba7c39418 /gl/m4/inline.m4 | |
parent | 210f39bc84cfbb21cd72dc054e43f13815ee0616 (diff) | |
download | monitoring-plugins-fe856aa957978504137c1d425815d4ed8a22be40.tar.gz |
Sync with gnulib - lots of extraneous code removed in preference to GNU code
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1580 f882894a-f735-0410-b71e-b25c423dba1c
Diffstat (limited to 'gl/m4/inline.m4')
-rw-r--r-- | gl/m4/inline.m4 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gl/m4/inline.m4 b/gl/m4/inline.m4 new file mode 100644 index 00000000..a07076cd --- /dev/null +++ b/gl/m4/inline.m4 | |||
@@ -0,0 +1,40 @@ | |||
1 | # inline.m4 serial 3 | ||
2 | dnl Copyright (C) 2006 Free Software Foundation, Inc. | ||
3 | dnl This file is free software; the Free Software Foundation | ||
4 | dnl gives unlimited permission to copy and/or distribute it, | ||
5 | dnl with or without modifications, as long as this notice is preserved. | ||
6 | |||
7 | dnl Test for the 'inline' keyword or equivalent. | ||
8 | dnl Define 'inline' to a supported equivalent, or to nothing if not supported, | ||
9 | dnl like AC_C_INLINE does. Also, define HAVE_INLINE if 'inline' or an | ||
10 | dnl equivalent is effectively supported, i.e. if the compiler is likely to | ||
11 | dnl drop unused 'static inline' functions. | ||
12 | AC_DEFUN([gl_INLINE], | ||
13 | [ | ||
14 | AC_REQUIRE([AC_C_INLINE]) | ||
15 | AC_CACHE_CHECK([whether the compiler generally respects inline], | ||
16 | [gl_cv_c_inline_effective], | ||
17 | [if test $ac_cv_c_inline = no; then | ||
18 | gl_cv_c_inline_effective=no | ||
19 | else | ||
20 | dnl GCC defines __NO_INLINE__ if not optimizing or if -fno-inline is | ||
21 | dnl specified. | ||
22 | dnl Use AC_COMPILE_IFELSE here, not AC_EGREP_CPP, because the result | ||
23 | dnl depends on optimization flags, which can be in CFLAGS. | ||
24 | dnl (AC_EGREP_CPP looks only at the CPPFLAGS.) | ||
25 | AC_COMPILE_IFELSE( | ||
26 | [AC_LANG_PROGRAM([[]], | ||
27 | [[#ifdef __NO_INLINE__ | ||
28 | #error "inline is not effective" | ||
29 | #endif]])], | ||
30 | [gl_cv_c_inline_effective=yes], | ||
31 | [gl_cv_c_inline_effective=no]) | ||
32 | fi | ||
33 | ]) | ||
34 | if test $gl_cv_c_inline_effective = yes; then | ||
35 | AC_DEFINE([HAVE_INLINE], 1, | ||
36 | [Define to 1 if the compiler supports one of the keywords | ||
37 | 'inline', '__inline__', '__inline' and effectively inlines | ||
38 | functions marked as such.]) | ||
39 | fi | ||
40 | ]) | ||