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| author | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2012-10-02 20:02:44 +0200 |
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| committer | Nikos Mavrogiannopoulos <nmav@gnutls.org> | 2012-10-02 20:02:44 +0200 |
| commit | 064f9fe191932be96ecfc79fa5accf1eb25142ef (patch) | |
| tree | 6e8c824b0dbbde4160dd3e6213127bafe6c738dd /gl/m4/extern-inline.m4 | |
| parent | 9cd70cbfc4cfc015c10d38b2e356d286b40be416 (diff) | |
| download | gnutls-064f9fe191932be96ecfc79fa5accf1eb25142ef.tar.gz | |
Updated gnulib and added hash-pjw-bare
Diffstat (limited to 'gl/m4/extern-inline.m4')
| -rw-r--r-- | gl/m4/extern-inline.m4 | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gl/m4/extern-inline.m4 b/gl/m4/extern-inline.m4 new file mode 100644 index 0000000000..600c8d3fa1 --- /dev/null +++ b/gl/m4/extern-inline.m4 @@ -0,0 +1,57 @@ +dnl 'extern inline' a la ISO C99. + +dnl Copyright 2012 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. + +AC_DEFUN([gl_EXTERN_INLINE], +[ + AC_REQUIRE([AC_C_INLINE]) + AH_VERBATIM([extern_inline], +[/* _GL_INLINE is a portable alternative to ISO C99 plain 'inline'. + _GL_EXTERN_INLINE is a portable alternative to 'extern inline'. + _GL_INLINE_HEADER_BEGIN contains useful stuff to put + in an include file, before uses of _GL_INLINE. + It suppresses GCC's bogus "no previous prototype for 'FOO'" diagnostic, + when FOO is an inline function in the header; see + <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113>. + _GL_INLINE_HEADER_END contains useful stuff to put + in the same include file, after uses of _GL_INLINE. */ +#if (__GNUC__ \ + ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \ + : 199901L <= __STDC_VERSION__) +# define _GL_INLINE inline +# define _GL_EXTERN_INLINE extern inline +#elif 2 < __GNUC__ + (7 <= __GNUC_MINOR__) +# if __GNUC_GNU_INLINE__ + /* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */ +# define _GL_INLINE extern inline __attribute__ ((__gnu_inline__)) +# else +# define _GL_INLINE extern inline +# endif +# define _GL_EXTERN_INLINE extern +#else +# define _GL_INLINE static inline +# define _GL_EXTERN_INLINE static inline +#endif + +#if 4 < __GNUC__ + (6 <= __GNUC_MINOR__) +# if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ +# define _GL_INLINE_HEADER_CONST_PRAGMA +# else +# define _GL_INLINE_HEADER_CONST_PRAGMA \ + _Pragma ("GCC diagnostic ignored \"-Wsuggest-attribute=const\"") +# endif +# define _GL_INLINE_HEADER_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \ + _Pragma ("GCC diagnostic ignored \"-Wmissing-declarations\"") \ + _GL_INLINE_HEADER_CONST_PRAGMA +# define _GL_INLINE_HEADER_END \ + _Pragma ("GCC diagnostic pop") +#else +# define _GL_INLINE_HEADER_BEGIN +# define _GL_INLINE_HEADER_END +#endif]) +]) |