[Webkit-unassigned] [Bug 157574] New: webkit is not usable on OS X 10.10 and older due to CF_AVAILABLE usage

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=157574

            Bug ID: 157574
           Summary: webkit is not usable on OS X 10.10 and older due to
                    CF_AVAILABLE usage
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jeremyhu at apple.com

When building projects that make use of WebKit on older OS versions, CF_AVAILABLE() is unable to expand.  Furthermore, these availability macros don't really apply to this install.  They only apply when installing the system framework.

In file included from /opt/local/include/webkitgtk-4.0/JavaScriptCore/JavaScript.h:31:
In file included from /opt/local/include/webkitgtk-4.0/JavaScriptCore/JSContextRef.h:29:
In file included from /opt/local/include/webkitgtk-4.0/JavaScriptCore/JSObjectRef.h:31:
/opt/local/include/webkitgtk-4.0/JavaScriptCore/JSValueRef.h:139:67: error: expected function body after function declarator
JS_EXPORT bool JSValueIsArray(JSContextRef ctx, JSValueRef value) CF_AVAILABLE(10_11, 9_0);
                                                                  ^
/System/Library/Frameworks/CoreFoundation.framework/Headers/CFBase.h:54:34: note: expanded from macro 'CF_AVAILABLE'
#define CF_AVAILABLE(_mac, _ios) AVAILABLE_MAC_OS_X_VERSION_##_mac##_AND_LATER
                                 ^
<scratch space>:30:1: note: expanded from macro 'AVAILABLE_MAC_OS_X_VERSION_'
AVAILABLE_MAC_OS_X_VERSION_10_11_AND_LATER
^
In file included from goawebview.c:27:

This was seen on webkit-gtk-2.12.2 on OS X Lion, but the issue applies to Yosemite as well.

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