webkit2-gtk: fix for older systems

www/webkit2-gtk/Portfile

@@ -8,7 +8,7 @@ PortSystem          1.0
 PortGroup           active_variants 1.1
 PortGroup           cmake 1.0
 PortGroup           compiler_blacklist_versions 1.0
-PortGroup           cxx11 1.0
+PortGroup           cxx11 1.1
 
 name                webkit2-gtk
 conflicts           webkit2-gtk-devel
@@ -100,7 +100,7 @@ configure.optflags  -Os
 # clang 3.4, 503.0.35, and 600.0.57 (error: call to 'make_unique' is ambiguous, error: call to 'exchange' is ambiguous)
 # compiler.blacklist-append {clang < 602} macports-clang-3.4
 # clang 3.3 (error: no type named 'make_index_sequence' in namespace 'std')
-compiler.fallback-append macports-clang-3.8
+compiler.fallback-append macports-clang-4.0
 compiler.blacklist-append {clang < 602} macports-clang-3.4 macports-clang-3.3
 
 pre-configure {
@@ -149,6 +149,31 @@ post-configure {
 configure.cflags-append     -ftemplate-depth=256
 configure.cxxflags-append   -ftemplate-depth=256
 
+if {![variant_isset quartz]} {
+    default_variants-append +x11 +gtk2
+}
+
+# fix build on older systems
+if {${os.platform} eq "darwin" && ${os.major} < 13} {
+
+    # add dep for newer ruby and spec this for build
+    # https://trac.macports.org/ticket/52016
+    depends_build-append    port:ruby24
+    configure.args-append   -DRUBY_EXECUTABLE=${prefix}/bin/ruby2.4
+
+    # fix missing PRId64 definitions on systems
+    # that don't define __STDC_FORMAT_MACROS by default
+    # https://bugs.webkit.org/show_bug.cgi?id=156596
+    # https://trac.macports.org/ticket/52016
+    patchfiles-append patch-snowleopard-cmakelists-stdcformatmacros.diff
+
+    # fix a Cursor name collision with Carbon API
+    # https://trac.macports.org/ticket/52016
+    if {[variant_isset x11]} {
+        patchfiles-append patch-snowleopard-npruntime-redefine-cursor.diff
+    }
+}
+
 variant quartz conflicts x11 gtk2 {
     require_active_variants port:gtk3 quartz
 
@@ -185,10 +210,6 @@ variant gtk2 conflicts quartz description {Enable support for GTK+2 plugins} {
     configure.args-append   -DENABLE_PLUGIN_PROCESS_GTK2=ON
 }
 
-if {![variant_isset quartz]} {
-    default_variants-append +x11 +gtk2
-}
-
 livecheck.type      regex
 livecheck.url       http://webkitgtk.org/releases/
 livecheck.regex     "webkitgtk-(\\d+\\.\\d*\[02468\](?:\\.\\d+)*)"

www/webkit2-gtk/files/patch-snowleopard-cmakelists-stdcformatmacros.diff

@@ -0,0 +1,11 @@
+--- CMakeLists.txt.orig	2017-08-14 17:41:03.000000000 -0700
++++ CMakeLists.txt	2017-08-14 17:43:39.000000000 -0700
+@@ -18,6 +18,8 @@
+     set(ENABLE_TOOLS ON)
+ endif ()
+
++add_definitions(-D__STDC_FORMAT_MACROS)
++
+ # -----------------------------------------------------------------------------
+ # Determine which port will be built
+ # -----------------------------------------------------------------------------

www/webkit2-gtk/files/patch-snowleopard-npruntime-redefine-cursor.diff

@@ -0,0 +1,17 @@
+--- Source/WebCore/bridge/npruntime_internal.h.orig	2017-08-14 21:56:11.000000000 -0700
++++ Source/WebCore/bridge/npruntime_internal.h	2017-08-14 21:57:40.000000000 -0700
+@@ -30,8 +30,14 @@
+ #include "npruntime.h"
+
+ #if defined(MOZ_X11)
++
++    #define Cursor QD_Cursor
++    
+     #include <X11/Xresource.h>
+
++// should there be...?
++//  #undef Cursor
++
+     #undef None
+     #undef Above
+     #undef Below