Only check for -fno-strict-overflow if -fwrapv does not work.

[tinc] / configure.ac

diff --git a/configure.ac b/configure.ac
index 4fe415e..b51c47b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -67,7 +67,9 @@ case $host_os in
   *mingw*)
     mingw=true
     AC_DEFINE(HAVE_MINGW, 1, [MinGW])
-    LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32"
+    LIBS="$LIBS -lws2_32 -lgdi32 -lcrypt32 -liphlpapi"
+    LDFLAGS="$LDFLAGS -static"
+    CPPFLAGS="$CPPFLAGS -DMINIUPNP_STATICLIB"
   ;;
   *)
     AC_MSG_ERROR("Unknown operating system.")
@@ -147,8 +149,8 @@ dnl No -fstack-protector-all because it doesn't work on all platforms or archite
 AC_ARG_ENABLE([hardening], AS_HELP_STRING([--disable-hardening], [disable compiler and linker hardening flags]))
 AS_IF([test "x$enable_hardening" != "xno"],
   [AX_CHECK_COMPILE_FLAG([-DFORTIFY_SOURCE=2], [CPPFLAGS="$CPPFLAGS -DFORTIFY_SOURCE=2"])
-   AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"])
-   AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"])
+   AX_CHECK_COMPILE_FLAG([-fwrapv], [CPPFLAGS="$CPPFLAGS -fwrapv"],
+   AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CPPFLAGS="$CPPFLAGS -fno-strict-overflow"]))
    case $host_os in
      *mingw*)
        AX_CHECK_LINK_FLAG([-Wl,--dynamicbase], [LDFLAGS="$LDFLAGS -Wl,--dynamicbase"])
@@ -196,7 +198,7 @@ AC_CHECK_TYPES([socklen_t, struct ether_header, struct arphdr, struct ether_arp,
 
 dnl Checks for library functions.
 AC_TYPE_SIGNAL
-AC_CHECK_FUNCS([asprintf daemon fchmod flock ftime fork get_current_dir_name gettimeofday mlockall putenv random select strdup strerror strsignal strtol system time usleep unsetenv vsyslog writev],
+AC_CHECK_FUNCS([asprintf daemon fchmod flock ftime fork get_current_dir_name gettimeofday mlockall putenv random recvmmsg select strdup strerror strsignal strtol system time usleep unsetenv vsyslog writev],
   [], [], [#include "$srcdir/src/have.h"]
 )