From ae634791d387f8a98d1bd0c4c3fa06f912be04cd Mon Sep 17 00:00:00 2001 From: Ruben Kerkhof Date: Wed, 3 Aug 2016 14:28:29 +0200 Subject: [PATCH] Require a compiler that understands C99 Upcoming changes will requires C99 support. For newer compilers this is the default, but older compilers needs a flag like -std=gnu99 or -std=c99. --- configure.ac | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 15b42d59..b1c83013 100644 --- a/configure.ac +++ b/configure.ac @@ -42,7 +42,9 @@ AC_SYS_LARGEFILE # # Checks for programs. # -AC_PROG_CC +AC_PROG_CC_C99([], + [AC_MSG_ERROR([No compiler found that supports C99])] +) AC_PROG_CXX AC_PROG_CPP AC_PROG_EGREP -- 2.30.2