hello list, find attached a patch that fixes compilation with
non-bleeding-edge compilers (we use GCC 4.5.4 in production).
the missing C11 feature is emulated on compilers that feature a __LINE__
macro.
best regards
--JS
[PATCH] make kmod compatible with GCC < 4.6
--- kmod-15.org/libkmod/macro.h
+++ kmod-15/libkmod/macro.h
@@ -21,8 +21,25 @@
#include <stddef.h>
+#if (defined(__STDC_VERSION__) && __STDC_VERSION__ +0 >= 201112L) || \
+ (defined(__GNUC__) && (__GNUC__ +0) * 10 + (__GNUC_MINOR__ +0) >= 46)
+
#define assert_cc(expr) \
_Static_assert((expr), #expr)
+
+#elif defined(__LINE__)
+
+#define PASTE2__(A, B) A ## B
+#define PASTE__(A, B) PASTE2__(A, B)
+#define STATIC_ASSERT__(COND) typedef char PASTE__(static_assertion, __LINE__) [(COND)?1:-1]
+#define assert_cc(expr) \
+ STATIC_ASSERT__((expr))
+
+#else
+#warning "compiler has no support for static assertions"
+#define assert_cc(expr) do {} while(0)
+
+#endif
#if HAVE_TYPEOF
#define check_types_match(expr1, expr2) \
