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-rw-r--r--third_party/protobuf/3.2.0/m4/ac_system_extensions.m437
1 files changed, 0 insertions, 37 deletions
diff --git a/third_party/protobuf/3.2.0/m4/ac_system_extensions.m4 b/third_party/protobuf/3.2.0/m4/ac_system_extensions.m4
deleted file mode 100644
index 1ca2eeb1d8..0000000000
--- a/third_party/protobuf/3.2.0/m4/ac_system_extensions.m4
+++ /dev/null
@@ -1,37 +0,0 @@
-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])
- ])
-])