[MacPorts] #69935: x264 uses -mcpu=G4 when building on G5

[MacPorts]

#69935: x264 uses -mcpu=G4 when building on G5
--------------------------+--------------------
 Reporter:  barracuda156  |      Owner:  (none)
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.9.3
 Keywords:  powerpc       |       Port:  x264
--------------------------+--------------------
 This is wrong:

 {{{
 --->  Configuring x264
 Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_multimedia_x264/x264/work/x264-snapshot-20191217-2245-stable"
 && ./configure --prefix=/opt/local --enable-pic --enable-shared --enable-
 static --disable-avs --disable-swscale --disable-lavf --disable-ffms
 --disable-gpac --disable-lsmash --host=ppc-apple-darwin8
 platform:      PPC
 byte order:    big-endian
 system:        MACOSX
 cli:           yes
 libx264:       internal
 shared:        yes
 static:        yes
 asm:           yes
 interlaced:    yes
 avs:           no
 lavf:          no
 ffms:          no
 mp4:           no
 gpl:           yes
 thread:        posix
 opencl:        yes
 filters:       crop select_every
 lto:           no
 debug:         no
 gprof:         no
 strip:         no
 PIC:           yes
 bit depth:     all
 chroma format: all

 You can run 'make' or 'make fprofiled' now.
 --->  Building x264
 Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_multimedia_x264/x264/work/x264-snapshot-20191217-2245-stable"
 && gmake -j4 -w default
 gmake: Entering directory
 '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_multimedia_x264/x264/work/x264-snapshot-20191217-2245-stable'
 cat common/opencl/x264-cl.h common/opencl/bidir.cl
 common/opencl/downscale.cl common/opencl/intra.cl
 common/opencl/motionsearch.cl common/opencl/subpel.cl
 common/opencl/weightp.cl | ./tools/cltostr.sh common/oclobj.h
 dependency file generation...
 /opt/local/bin/gcc-apple-4.2 -Wshadow -O3 -ffast-math -pipe -I. -fno-
 common -read_only_relocs suppress -arch ppc -Wall -I. -I. -faltivec -fastf
 -mcpu=G4 -std=gnu99 -D_GNU_SOURCE -fPIC -fomit-frame-pointer -fno-tree-
 vectorize -c x264.c -o x264.o
 }}}

 Unfortunately, old Xcode gcc does not support `native`, so either a flag
 should be removed or, better, variants are to be added. Or if there is a
 way to check whether G4 or G5 is being used, then make it conditional.

-- 
Ticket URL: <https://trac.macports.org/ticket/69935>
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