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authorEmil Velikov <emil.l.velikov@gmail.com>2015-04-05 16:40:11 +0100
committerEmil Velikov <emil.l.velikov@gmail.com>2015-04-28 11:20:52 +0100
commite59f00fb43c2b83bdadb17fa35c3018f817a3806 (patch)
treee6b2e9cb26dba864068fac78a420615a653b0e05 /configure.ac
parent0f8da82500ec542e269092c0718479e25eaff5f6 (diff)
configure: request/set the compiler in C99 mode
Required by intel and drmstat at least. Considering that every compiler used to build libdrm is C99 compatible, just enable it for the whole build. Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac5
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index e7152623..320e482e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,6 +36,11 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
# Check for programs
AC_PROG_CC
+AC_PROG_CC_C99
+
+if test "x$ac_cv_prog_cc_c99" = xno; then
+ AC_MSG_ERROR([Building libdrm requires C99 enabled compiler])
+fi
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE