Merge pull request #1674

6ac0b3b build: Add -static for mingw builds (Wladimir J. van der Laan)
4e57e23 enable full GCC Stack-smashing protection for all OSes (Philip Kaufmann)

configure.ac

@@ -175,6 +175,7 @@ case $host in
      AC_CHECK_LIB([iphlpapi],      [main],, AC_MSG_ERROR(lib missing))
      AC_CHECK_LIB([crypt32],      [main],, AC_MSG_ERROR(lib missing))
 
+     AX_CHECK_LINK_FLAG([[-static]],[LDFLAGS="$LDFLAGS -static"])
      AX_CHECK_LINK_FLAG([[-static-libgcc]],[LDFLAGS="$LDFLAGS -static-libgcc"])
      AX_CHECK_LINK_FLAG([[-static-libstdc++]],[LDFLAGS="$LDFLAGS -static-libstdc++"])
 
@@ -284,6 +285,7 @@ AX_CHECK_LINK_FLAG([[-Wl,--large-address-aware]], [LDFLAGS="$LDFLAGS -Wl,--large
 
 if test x$use_hardening != xno; then
   AX_CHECK_COMPILE_FLAG([-Wstack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -Wstack-protector"])
+  AX_CHECK_COMPILE_FLAG([-fstack-protector-all],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"])
   AX_CHECK_COMPILE_FLAG([-fPIE],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fPIE"])
 
   AX_CHECK_PREPROC_FLAG([-D_FORTIFY_SOURCE=2],[
@@ -299,10 +301,6 @@ if test x$use_hardening != xno; then
   AX_CHECK_LINK_FLAG([[-Wl,-z,now]], [LDFLAGS="-Wl,-z,now"])
 
   if test x$TARGET_OS != xwindows; then
-    # -fstack-protector-all can produce broken binaries with mingw
-    AX_CHECK_COMPILE_FLAG([-fno-stack-protector],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fno-stack-protector"])
-    AX_CHECK_COMPILE_FLAG([-fstack-protector-all],[HARDENED_CXXFLAGS="$HARDENED_CXXFLAGS -fstack-protector-all"])
-
     # -pie will link successfully with MinGW, but it's unsupported and leads to undeterministic binaries
     AX_CHECK_LINK_FLAG([[-pie]], [HARDENED_LDFLAGS="$HARDENED_LDFLAGS -pie"])
   fi