[MacPorts] #40337: mythtv-core.26 build fails on x86_32/osx/10.6

[MacPorts]

#40337: mythtv-core.26 build fails on x86_32/osx/10.6
---------------------------+--------------------------------
 Reporter:  air_drummer@…  |      Owner:  macports-tickets@…
     Type:  defect         |     Status:  new
 Priority:  Normal         |  Milestone:
Component:  ports          |    Version:  2.2.0
 Keywords:                 |       Port:  mythtv-core.26
---------------------------+--------------------------------
 libswscale/x86/rgb2rgb_template.c:814: error: can't find a register in
 class ‘GENERAL_REGS’ while reloading ‘asm’

 this seems to be the same problem as #20938:
     ffmpeg/ffmpeg-devel fails to build on 10.6

 and has been fixed...see

  http://mac-os-forge.2317878.n4.nabble.com/MacPorts-20938-ffmpeg-0-5-3
 -fails-to-build-on-10-6-td89473.html

 "Just a note about the original build failure: this is a known problem
 when using gcc >= 4.2 and PIC on 32-bit x86. The possible solutions are
 either to not use PIC on x86 32-bit (--extra-cflags=-mdynamic-no-pic, or
 --disable-shared if you're anal about following shared lib
 recommendations/Apple broke the linker again), or use gcc 4.0 for
 ffmpeg/x86_32."

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Ticket URL: <https://trac.macports.org/ticket/40337>
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