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| author | Wink Saville <wink@google.com> | 2010-05-27 16:25:37 -0700 |
|---|---|---|
| committer | Wink Saville <wink@google.com> | 2010-05-27 16:25:37 -0700 |
| commit | fbaaef999ba563838ebd00874ed8a1c01fbf286d (patch) | |
| tree | 24ff5c76344e90abc5b0fe6f07120ea0d2d011ee /m4/ac_system_extensions.m4 | |
| parent | 79a4a60053f74ab71c7c3ec436d2f6caedc5be61 (diff) | |
| download | external_protobuf-fbaaef999ba563838ebd00874ed8a1c01fbf286d.zip external_protobuf-fbaaef999ba563838ebd00874ed8a1c01fbf286d.tar.gz external_protobuf-fbaaef999ba563838ebd00874ed8a1c01fbf286d.tar.bz2 | |
Add protobuf 2.2.0a sources
This is the contents of protobuf-2.2.0a.tar.bz2 from
http://code.google.com/p/protobuf/downloads/list and
is the base code for the javamicro code generator.
Change-Id: Ie9a0440a824d615086445b6636944484b3155afa
Diffstat (limited to 'm4/ac_system_extensions.m4')
| -rw-r--r-- | m4/ac_system_extensions.m4 | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/m4/ac_system_extensions.m4 b/m4/ac_system_extensions.m4 new file mode 100644 index 0000000..1ca2eeb --- /dev/null +++ b/m4/ac_system_extensions.m4 @@ -0,0 +1,37 @@ +dnl Provide AC_USE_SYSTEM_EXTENSIONS for old autoconf machines. +AC_DEFUN([ACX_USE_SYSTEM_EXTENSIONS],[ + ifdef([AC_USE_SYSTEM_EXTENSIONS],[ + AC_USE_SYSTEM_EXTENSIONS + ],[ + AC_BEFORE([$0], [AC_COMPILE_IFELSE]) + AC_BEFORE([$0], [AC_RUN_IFELSE]) + + AC_REQUIRE([AC_GNU_SOURCE]) + AC_REQUIRE([AC_AIX]) + AC_REQUIRE([AC_MINIX]) + + AH_VERBATIM([__EXTENSIONS__], +[/* Enable extensions on Solaris. */ +#ifndef __EXTENSIONS__ +# undef __EXTENSIONS__ +#endif +#ifndef _POSIX_PTHREAD_SEMANTICS +# undef _POSIX_PTHREAD_SEMANTICS +#endif +#ifndef _TANDEM_SOURCE +# undef _TANDEM_SOURCE +#endif]) + AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__], + [ac_cv_safe_to_define___extensions__], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([ +# define __EXTENSIONS__ 1 + AC_INCLUDES_DEFAULT])], + [ac_cv_safe_to_define___extensions__=yes], + [ac_cv_safe_to_define___extensions__=no])]) + test $ac_cv_safe_to_define___extensions__ = yes && + AC_DEFINE([__EXTENSIONS__]) + AC_DEFINE([_POSIX_PTHREAD_SEMANTICS]) + AC_DEFINE([_TANDEM_SOURCE]) + ]) +]) |