[MacPorts] #42743: build error "invalid output constraint '=o'" for mplayer-devel with clang

[MacPorts]

#42743: build error "invalid output constraint '=o'" for mplayer-devel with clang
-------------------------+--------------------------------
 Reporter:  astrofitz@…  |      Owner:  macports-tickets@…
     Type:  defect       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.2.1
 Keywords:               |       Port:  mplayer-devel
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 Hello all,

 I am having a build error for mplayer-devel versions 36449_4 (and _3) on
 OSX 10.6.8 using clang.  Version 36449_2 builds OK.

 The error in the build log is appended below.

 Mike


 :info:build In file included from libmpdemux/demux_lavf.c:32:
 :info:build ./stream/stream.h:281:50: note: passing argument to parameter
 'mem'
 here
 :info:build static inline int stream_read(stream_t *s, char *mem, int
 total)
 :info:build                                                  ^
 :info:build libmpcodecs/vf_fspp.c:1599:48: error: invalid output
 constraint '=o'
  in asm
 :info:build         : "+S"(data), "+D"(output), "+c"(cnt), "=o"(temps)
 :info:build                                                ^
 :info:build libmpcodecs/vf_fspp.c:1868:57: error: invalid output
 constraint '=o' in asm
 :info:build         : "+S"(workspace), "+D"(output_adr), "+c"(cnt),
 "=o"(temps)
 :info:build                                                         ^
 :info:build libmpcodecs/vf_fspp.c:2113:48: error: invalid output
 constraint '=o' in asm
 :info:build         : "+S"(pixels), "+D"(data), "+c"(cnt), "=o"(temps)

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Ticket URL: <https://trac.macports.org/ticket/42743>
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