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-rw-r--r--configure.ac4
1 files changed, 2 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index bc57bbd..ab6ffc5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -78,7 +78,7 @@ AM_MAINTAINER_MODE
AC_CANONICAL_HOST
# Enable GNU extensions on systems that have them.
-AC_GNU_SOURCE
+AC_USE_SYSTEM_EXTENSIONS
AH_VERBATIM([_REENTRANT],
[/* To allow the use of GPGME in multithreaded programs we have to use
@@ -89,7 +89,7 @@ AH_VERBATIM([_REENTRANT],
# define _REENTRANT 1
#endif])
-AC_PROG_CC
+AC_PROG_CC_STDC
AC_PROG_CXX
AC_CHECK_PROGS(GITLOG_TO_CHANGELOG, gitlog-to-changelog,
[build-aux/gitlog-to-changelog])