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authorDamien Miller <djm@mindrot.org>2020-10-17 03:03:34 +0200
committerDamien Miller <djm@mindrot.org>2020-10-17 03:03:34 +0200
commitf812a36cee5727147bc897d34ab9af068dd4561e (patch)
treeab64bd376042296db195dcd6fb7d4de674848c8a /configure.ac
parentlogging is now macros, remove function pointers (diff)
downloadopenssh-f812a36cee5727147bc897d34ab9af068dd4561e.tar.xz
openssh-f812a36cee5727147bc897d34ab9af068dd4561e.zip
check for and require a C99 capable compiler
recent logging changes use __VA_ARGS__.
Diffstat (limited to '')
-rw-r--r--configure.ac6
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 7005a503e..05f7b713b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -22,6 +22,12 @@ AC_CONFIG_HEADER([config.h])
AC_PROG_CC([cc gcc])
AC_CANONICAL_HOST
AC_C_BIGENDIAN
+AC_PROG_CC_C99
+
+# XXX relax this after reimplementing logit() etc.
+if test "x$ac_cv_prog_cc_c99" = "xno" ; then
+ AC_MSG_ERROR([*** OpenSSH requires a C99 capable compiler ***])
+fi
# Checks for programs.
AC_PROG_AWK