Currently, we do not check for mingw-gcc version. For example,
Debian 7 is shipped with 4.6.3, which does not know about ENETUNREACH
---
this is for 2.4 and HEAD branches
configure.ac | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/configure.ac b/configure.ac
index 60bb465..80b26ff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -708,6 +708,20 @@ m4_define(
[setsockopt getsockopt getsockname poll]dnl
)
if test "${WIN32}" = "yes"; then
+
+#
+# check for ENETUNREACH
+# at least Debian 7 is shipped with gcc-mingw-w64-4.6.3, which is too old
+#
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[#include <errno.h>
+#if !defined (ENETUNREACH)
+# error ENETUNREACH not defined
+#endif
+]])],
+ ,
+ [AC_MSG_ERROR([gcc-mingw is too old, please update])])
+
# normal autoconf function checking does not find inet_ntop/inet_pton
# because they need to include the actual header file and link ws2_32.dll
LIBS="${LIBS} -lws2_32"
--
2.9.4
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