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authorMarc Schink <dev@zapb.de>2022-06-19 00:23:06 +0200
committerMarc Schink <dev@zapb.de>2022-06-20 20:45:23 +0200
commit89f93c9376dad69807a27b314c30e1595912e679 (patch)
tree98da58a9fe34e807da8455b8b18151f8976eec4a
parent20ebda5bd820d97d11d1ce12e3e6a2a14067c50c (diff)
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configure.ac: Drop 'AC_PROG_CC_C99' for Autoconf >= 2.70
Thanks to rdiez for reporting this. Signed-off-by: Marc Schink <dev@zapb.de>
-rw-r--r--configure.ac3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 1279d88..181547e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,7 +35,8 @@ JAYLINK_CFLAGS="-Wall -Wextra -Werror -fvisibility=hidden"
# Checks for programs.
AC_PROG_CC
-AC_PROG_CC_C99
+# AC_PROG_CC_C99 is dropped in Autoconf >= 2.70 and done in AC_PROG_CC.
++m4_version_prereq([2.70],[],[AC_PROG_CC_C99])
# Automake >= 1.12 requires AM_PROG_AR when using options -Wall and -Werror.
# To be compatible with older versions of Automake use AM_PROG_AR if it's