[MacPorts] #52210: libsdl2: make it build on 10.6 (against 10.6 SDK)

[MacPorts]

#52210: libsdl2: make it build on 10.6 (against 10.6 SDK)
-------------------------------------+-------------------------
  Reporter:  kenneth.f.cunningham@…  |      Owner:  jmroot
      Type:  defect                  |     Status:  new
  Priority:  Low                     |  Milestone:
 Component:  ports                   |    Version:
Resolution:                          |   Keywords:  snowleopard
      Port:  libsdl2                 |
-------------------------------------+-------------------------

Comment (by Raptor007):

 Are any tricks required for 10.6.8 now other than installing
 MacOSX10.7.sdk?  Mine is still failing to build:

 {{{
 :info:build libtool: compile:  /opt/local/bin/clang-mp-3.4 -Os
 -isysroot/Developer/SDKs/MacOSX10.7.sdk -arch x86_64 -arch i386
 -I/opt/local/include -isysroot/Developer/SDKs/MacOSX10.7.sdk
 -DUSING_GENERATED_CONFIG_H -Iinclude
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libsdl2/libsdl2/work/SDL2-2.0.8/include
 -idirafter
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libsdl2/libsdl2/work/SDL2-2.0.8/src/video/khronos
 -mmmx -msse -msse2 -msse3 -Wall -DTARGET_API_MAC_CARBON
 -DTARGET_API_MAC_OSX -fvisibility=hidden -Wdeclaration-after-statement
 -Werror=declaration-after-statement -D_THREAD_SAFE -c
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libsdl2/libsdl2/work/SDL2-2.0.8/src/video/cocoa/SDL_cocoavideo.m
 -o build/SDL_cocoavideo.o >/dev/null 2>&1
 :info:build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libsdl2/libsdl2/work/SDL2-2.0.8/src/video/cocoa/SDL_cocoawindow.m:317:93:
 error: use of undeclared identifier
 'NSWindowDidChangeBackingPropertiesNotification'; did you mean
 'NSWindowDidChangeScreenProfileNotification'?
 :info:build         [center addObserver:self
 selector:@selector(windowDidChangeBackingProperties:)
 name:NSWindowDidChangeBackingPropertiesNotification object:window];
 :info:build
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 :info:build
 NSWindowDidChangeScreenProfileNotification
 :info:build
 /Developer/SDKs/MacOSX10.7.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSWindow.h:786:25:
 note: 'NSWindowDidChangeScreenProfileNotification' declared here
 :info:build APPKIT_EXTERN NSString
 *NSWindowDidChangeScreenProfileNotification ;
 :info:build                         ^
 :info:build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libsdl2/libsdl2/work/SDL2-2.0.8/src/video/cocoa/SDL_cocoawindow.m:448:42:
 error: use of undeclared identifier
 'NSWindowDidChangeBackingPropertiesNotification'; did you mean
 'NSWindowDidChangeScreenProfileNotification'?
 :info:build         [center removeObserver:self
 name:NSWindowDidChangeBackingPropertiesNotification object:window];
 :info:build
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 :info:build
 NSWindowDidChangeScreenProfileNotification
 :info:build
 /Developer/SDKs/MacOSX10.7.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSWindow.h:786:25:
 note: 'NSWindowDidChangeScreenProfileNotification' declared here
 :info:build APPKIT_EXTERN NSString
 *NSWindowDidChangeScreenProfileNotification ;
 :info:build                         ^
 :info:build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_devel_libsdl2/libsdl2/work/SDL2-2.0.8/src/video/cocoa/SDL_cocoawindow.m:661:65:
 error: use of undeclared identifier 'NSBackingPropertyOldScaleFactorKey'
 :info:build     NSNumber *oldscale = [[aNotification userInfo]
 objectForKey:NSBackingPropertyOldScaleFactorKey];
 :info:build
 ^
 :info:build 3 errors generated.
 :info:build make: *** [build/SDL_cocoawindow.lo] Error 1
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/52210#comment:46>
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