[MacPorts] #17788: openexr and ilmbase do not build with xcode's gcc 4.2

[MacPorts]

#17788: openexr and ilmbase do not build with xcode's gcc 4.2
---------------------------------------------+------------------------------
 Reporter:  illogic-al@…                     |       Owner:  macports-tickets@…                   
     Type:  defect                           |      Status:  new                                  
 Priority:  Normal                           |   Milestone:  Port Bugs                            
Component:  ports                            |     Version:  1.7.0                                
 Keywords:  gcc apple-gcc42 ilmbase openexr  |        Port:                                       
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 both openexr and ilmbase (shown below) fail to compile with gcc 4.2 from
 xcode 3. It doesn't recognize the flag -Wno-long-double which was for gcc
 4.0. I've attached patches that fix this.
 {{{
 openexr$ sudo port install kdelibs4Password:
 --->  Building ilmbase
 Error: Target org.macports.build returned: shell command " cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_ilmbase/work/ilmbase-1.0.1"
 && make -j2 all " returned error 2
 Command output: Making all in Half
 /usr/bin/g++-4.2 -DHAVE_CONFIG_H -I. -I. -I../config -I../config
 -I/opt/local/include -isysroot /Developer/SDKs/MacOSX10.4u.sdk -pipe -O2
 -isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch ppc -arch i386 -mmacosx-
 version-min=10.4 -D_THREAD_SAFE  -Wno-long-double -c -o eLut.o eLut.cpp
 /usr/bin/g++-4.2 -DHAVE_CONFIG_H -I. -I. -I../config -I../config
 -I/opt/local/include -isysroot /Developer/SDKs/MacOSX10.4u.sdk -pipe -O2
 -isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch ppc -arch i386 -mmacosx-
 version-min=10.4 -D_THREAD_SAFE  -Wno-long-double -c -o toFloat.o
 toFloat.cpp
 cc1plus: error: unrecognized command line option "-Wno-long-double"
 cc1plus: error: unrecognized command line option "-Wno-long-double"
 cc1plus: error: unrecognized command line option "-Wno-long-double"
 cc1plus: error: unrecognized command line option "-Wno-long-double"
 lipo: can't open input file: /var/tmp//cchtMn7G.out (No such file or
 directory)
 lipo: can't open input file: /var/tmp//ccvi5kbG.out (No such file or
 directory)
 make[1]: *** [eLut.o] Error 1
 make[1]: *** Waiting for unfinished jobs....
 make[1]: *** [toFloat.o] Error 1
 make: *** [all-recursive] Error 1

 Error: The following dependencies failed to build: openexr ilmbase pcre
 readline phonon shared-mime-info intltool gnome-common p5-xml-parser
 libxml2 strigi clucene
 Error: Status 1 encountered during processing.
 orville at cubic:openexr$
 }}}

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Ticket URL: <http://trac.macports.org/ticket/17788>
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