[MacPorts] #47406: libvpx: Xcode 6.3 compiler failure

[MacPorts]

#47406: libvpx: Xcode 6.3 compiler failure
---------------------+----------------------
 Reporter:  blair@…  |      Owner:  devans@…
     Type:  defect   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.3.3
 Keywords:           |       Port:  libvpx
---------------------+----------------------
 I successfully built libvpx on Yosemite yesterday and rebuilt it today
 after upgrading to Xcode 6.3, it fails with this error:

 {{{
 /usr/bin/clang -S -pipe -Os -arch x86_64 -m64 -arch x86_64 -O3 -fPIC -Wall
 -Wdeclaration-after-statement -Wdisabled-optimization -Wpointer-arith
 -Wtype-limits -Wcast-qual -Wvla -Wimplicit-function-declaration
 -Wuninitialized -Wunused-variable -fno-strict-aliasing -Wno-unused-
 function -I.
 -I"/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_multimedia_libvpx/libvpx/work/libvpx-v1.3.0"
 -DINLINE_ASM  -o vp8/encoder/vp8_asm_enc_offsets.c.S
 vp8/encoder/vp8_asm_enc_offsets.c
 vp8/encoder/vp8_asm_enc_offsets.c:23:1: error: unexpected token in
 argument list
 DEFINE(vp8_block_coeff,                         offsetof(BLOCK, coeff));
 ^
 ./vpx_ports/asm_offsets.h:22:35: note: expanded from macro 'DEFINE'
 #define DEFINE(sym, val) asm("\n" #sym " EQU %0" : : "i" (val))
                                   ^
 <scratch space>:68:2: note: expanded from here
 "vp8_block_coeff"
  ^
 <inline asm>:2:21: note: instantiated into assembly here
 vp8_block_coeff EQU $8
                     ^
 vp8/encoder/vp8_asm_enc_offsets.c:24:1: error: unexpected token in
 argument list
 DEFINE(vp8_block_zbin,                          offsetof(BLOCK, zbin));
 ^
 ./vpx_ports/asm_offsets.h:22:35: note: expanded from macro 'DEFINE'
 #define DEFINE(sym, val) asm("\n" #sym " EQU %0" : : "i" (val))
                                   ^
 <scratch space>:69:2: note: expanded from here
 "vp8_block_zbin"
  ^
 <inline asm>:2:20: note: instantiated into assembly here
 vp8_block_zbin EQU $40
                    ^
 vp8/encoder/vp8_asm_enc_offsets.c:25:1: error: unexpected token in
 argument list
 DEFINE(vp8_block_round,                         offsetof(BLOCK, round));
 ^
 ./vpx_ports/asm_offsets.h:22:35: note: expanded from macro 'DEFINE'
 #define DEFINE(sym, val) asm("\n" #sym " EQU %0" : : "i" (val))
                                   ^
 <scratch space>:70:2: note: expanded from here
 "vp8_block_round"
  ^
 <inline asm>:2:21: note: instantiated into assembly here
 vp8_block_round EQU $56
                     ^
 vp8/encoder/vp8_asm_enc_offsets.c:26:1: error: unexpected token in
 argument list
 DEFINE(vp8_block_quant,                         offsetof(BLOCK, quant));
 ^
 ./vpx_ports/asm_offsets.h:22:35: note: expanded from macro 'DEFINE'
 #define DEFINE(sym, val) asm("\n" #sym " EQU %0" : : "i" (val))
                                   ^
 }}}

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Ticket URL: <https://trac.macports.org/ticket/47406>
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