Mercurial > hg > octave-shane > gnulib-hg
changeset 16845:1118b1dc4eab
_Noreturn: port config.h to gcc -Wundef
* m4/gnulib-common.m4 (gl_COMMON_BODY): Check that __STDC_VERSION__ is
defined before using it, for gcc -Wundef. Reported by Akim Demaille in
<http://lists.gnu.org/archive/html/bug-gnulib/2012-05/msg00147.html>.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Thu, 10 May 2012 08:59:49 -0700 |
| parents | d6e95ab13906 |
| children | a80d21de5373 |
| files | ChangeLog m4/gnulib-common.m4 |
| diffstat | 2 files changed, 9 insertions(+), 1 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2012-05-10 Paul Eggert <eggert@cs.ucla.edu> + + _Noreturn: port config.h to gcc -Wundef + * m4/gnulib-common.m4 (gl_COMMON_BODY): Check that __STDC_VERSION__ is + defined before using it, for gcc -Wundef. Reported by Akim Demaille in + <http://lists.gnu.org/archive/html/bug-gnulib/2012-05/msg00147.html>. + 2012-05-10 Bruno Haible <bruno@clisp.org> system-quote: Refactor.
--- a/m4/gnulib-common.m4 +++ b/m4/gnulib-common.m4 @@ -14,7 +14,8 @@ AC_DEFUN([gl_COMMON_BODY], [ AH_VERBATIM([_Noreturn], [/* The _Noreturn keyword of C11. */ -#if !defined _Noreturn && __STDC_VERSION__ < 201112 +#if ! (defined _Noreturn \ + || (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__)) # if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \ || 0x5110 <= __SUNPRO_C) # define _Noreturn __attribute__ ((__noreturn__))