Bug 41459: WebRTC fails to build under mingw (Part 1)

- properly define NOMINMAX for just MSVC builds

js/src/old-configure.in

@@ -447,11 +447,13 @@ case "$target" in
         MOZ_OPTIMIZE_FLAGS="-O2"
         MOZ_FIX_LINK_PATHS=
         LDFLAGS="$LDFLAGS -LARGEADDRESSAWARE"
+
+        # avoid conficts with std::min/max
+        AC_DEFINE(NOMINMAX)
     fi
     AC_DEFINE(HAVE__MSIZE)
     AC_DEFINE(WIN32_LEAN_AND_MEAN)
     dnl See http://support.microsoft.com/kb/143208 to use STL
-    AC_DEFINE(NOMINMAX)
     BIN_SUFFIX='.exe'
 
     case "$host_os" in

old-configure.in

@@ -522,10 +522,12 @@ case "$target" in
         MOZ_OPTIMIZE_FLAGS='-O2'
         MOZ_FIX_LINK_PATHS=
         LDFLAGS="$LDFLAGS -LARGEADDRESSAWARE"
+
+        # avoid conficts with std::min/max
+        AC_DEFINE(NOMINMAX)
     fi
     AC_DEFINE(WIN32_LEAN_AND_MEAN)
     dnl See http://support.microsoft.com/kb/143208 to use STL
-    AC_DEFINE(NOMINMAX)
     BIN_SUFFIX='.exe'
 
     case "$host_os" in