# $Id$

PortSystem 1.0

name		x264
version		20080724
revision	1
categories	multimedia
platforms	darwin
maintainers	acho@macports.org
description	x264 - a free h264/avc encoder
long_description x264 is a free library for encoding H264/AVC video streams. \
		The code is written by Laurent Aimar, Eric Petit(OS X), Min \
		Chen (vfw/nasm), Justin Clay(vfw), Måns Rullgård and Loren \
		Merritt from scratch. It is released under the terms of the \
		GPL license.
homepage	http://www.videolan.org/x264.html
master_sites	ftp://ftp.videolan.org/pub/videolan/x264/snapshots/
distname	${name}-snapshot-${version}-2245
checksums	sha1 8f3023d82d06b34a609e8c67ace8328e6c01aacb
use_bzip2	yes

depends_build	bin:svn:subversion port:yasm

configure.args \
		--enable-pthread --enable-pic

configure.cflags-append -fno-common -read_only_relocs suppress

destroot.args	DIR_INSTALL=${destroot}${prefix}

build.target	default

variant noasm description {disable assembler optimization and remove yasm dep} {
	depends_build-delete	port:yasm
	configure.args-append	--disable-asm
}

variant G5 description {G5 specific optimizations} {
	configure.cflags-append "-mcpu=970 -mtune=970 -mpowerpc64 -mpowerpc-gpopt -fast -mabi=altivec -maltivec"
}

if {![info exists universal_archs]} {
    set universal_archs {i386 ppc}
}
set first_arch [lindex ${universal_archs} 0]

set my_worksrcpaths ${worksrcpath}

variant universal {
  set my_worksrcpaths {}
  foreach arch ${universal_archs} {
    lappend my_worksrcpaths ${workpath}/${arch}
  }

  post-patch {
    foreach arch ${universal_archs} {
      if {[string equal ${arch} ${first_arch}]} {
        move ${worksrcpath} ${workpath}/${first_arch}
      } else {
        copy ${workpath}/${first_arch} ${workpath}/${arch}
      }
    }
  }
  configure {
    foreach arch ${universal_archs} {
      set my_arch_flag "-arch ${arch}"
      set my_cflags "${configure.cflags} -isysroot ${sysroot} ${my_arch_flag} -I${prefix}/include -L${prefix}/lib"
      set my_ldflags "${configure.ldflags} ${my_arch_flag}"
      if {[string equal ${arch} i386 ]} {
         set my_configure_args "CC=\"gcc -arch ${arch}\"" 
      } else { 
         set my_configure_args "CC=\"gcc -arch ${arch}\" --disable-asm"
      }
      system "cd ${workpath}/${arch} && CFLAGS=\"${my_cflags}\" CXXFLAGS=\"${my_cflags}\" LDFLAGS=\"${my_ldflags}\" ${configure.cmd} ${configure.pre_args} ${configure.args} ${my_configure_args}"
    }
  }

  build {
    foreach arch ${universal_archs} {
      system "cd ${workpath}/${arch} && ${build.cmd} ${build.pre_args}"
      # This was a first look at dylib. Needs some more investigation as I don't know ins&outs of macports
      #system "cd ${workpath}/${arch} && gcc -dynamiclib -arch ${arch} -o ${workpath}/${arch}/libx264.dylib common/*.o common/${arch}/*.o encoder/*.o"
    }
  }

  destroot {
    system "cd ${workpath}/${first_arch} && ${destroot.cmd} ${destroot.pre_args} ${destroot.post_args}"
    # leave .dylib and .a for later. Only .a now 
    #foreach lib [list [file readlink ${workpath}/${first_arch}/libx264.dylib] libx264.a] {
    #  set output_lib ${destroot}${prefix}/lib/${lib}
    #  set lipo_args {}
    #  foreach arch ${universal_archs} {
    #    lappend lipo_args -arch ${arch} ${workpath}/${arch}/${lib}
    #  }
    #  lappend lipo_args -create -output ${output_lib}
    #  delete ${output_lib}
    #  system "lipo ${lipo_args}"
    #}
    # Do currently only .a
    set output_lib ${destroot}${prefix}/lib/libx264.a
    set lipo_args {}
    foreach arch ${universal_archs} {
      lappend lipo_args -arch ${arch} ${workpath}/${arch}/libx264.a
    }
    lappend lipo_args -create -output ${output_lib}
    delete ${output_lib}
    system "lipo ${lipo_args}"
 
    set output_bin ${destroot}${prefix}/bin/x264
    set lipo_args {}
    foreach arch ${universal_archs} {
      lappend lipo_args -arch ${arch} ${workpath}/${arch}/x264
    }
    lappend lipo_args -create -output ${output_bin}
    delete ${output_bin}
    system "lipo ${lipo_args}"
  }
}