The hsakmt code requires C99 compiler support, however gcc 4.x
defaults to C89 (gcc 5 defaults to C11). v2 patch copies code
from libdrm, using AC_PROG_CC_C99 and checking success.
v1 used AC_PROG_CC_STDC and did not check C99 was enabled.
Signed-off-by: John Bridgman <john.bridgman@xxxxxxx>
---
configure.ac | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/configure.ac b/configure.ac
index b8e9bea..0111067 100644
--- a/configure.ac
+++ b/configure.ac
@@ -66,6 +66,12 @@ AC_CANONICAL_HOST
AC_PROG_AWK
test_CFLAGS=${CFLAGS+set} # We may override autoconf default CFLAGS.
AC_PROG_CC
+AC_PROG_CC_C99
+
+if test "x$ac_cv_prog_cc_c99" = xno; then
+ AC_MSG_ERROR([Building hsakmt requires C99 enabled compiler])
+fi
+
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_MAKE_SET
--
1.9.1
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