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The raw portfile for arm-elf-gcc 4.1.1 is located here:
http://arm-elf-gcc.darwinports.com/dports/cross/arm-elf-gcc/Portfile
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# $Id: Portfile 30687 2007-11-04 07:27:28Z pguyot kallisys.net $

PortSystem 1.0
Name: arm-elf-gcc
Version: 4.1.1

# Parameters for this port.
set newlibversion 1.14.0
set crossgcc-target arm-elf
set default-languages --enable-languages="c,c++,objc"

Description: gcc cross-compilers for arm-elf, with newlib runtime library.
Long Description: gnu compilers collection (including c++, fortran and objc) for arm-elf, with newlib runtime library.
Homepage: http://gcc.gnu.org/
Platform: darwin
Category: cross devel
Maintainers: pguyot kallisys.net
master_sites gnu:gcc/gcc-${version}/:gcc ftp://sources.redhat.com/pub/newlib/:newlib ftp://ftp.mirror.ac.uk/sites/sources.redhat.com/pub/newlib/:newlib
distfiles gcc-${version}.tar.bz2:gcc newlib-${newlibversion}.tar.gz:newlib
worksrcdir gcc-${version}
checksums gcc-${version}.tar.bz2 md5 ad9f97a4d04982ccf4fd67cb464879f3 sha1 a398b95d38b6e35f4c4e02c34c0a3bff79811f8f rmd160 0edeac242d900b075a7e36796380492b5b3c8564 newlib-${newlibversion}.tar.gz md5 3fa663f131b355d3adb24ead4df678f2 sha1 edc50f5cda734b50c5431a2b8d1e579ac82ce3f9 rmd160 6f2b3f32759925142421ddc069229eff857dd106
patchfiles patch-gcc-config-arm-t-arm-elf.diff

# All cross ports violate the mtree layout.
destroot.violate_mtree yes

# Download everything to gcc/
dist_subdir gcc

depends_lib bin:${crossgcc-target}-ar:${crossgcc-target}-binutils bin:${crossgcc-target}-as:${crossgcc-target}-binutils bin:${crossgcc-target}-ld:${crossgcc-target}-binutils bin:${crossgcc-target}-nm:${crossgcc-target}-binutils bin:${crossgcc-target}-ranlib:${crossgcc-target}-binutils
depends_build bin:msgfmt:gettext

# gcc is .bz2, newlib is .gz.
# let's extract only gcc with DP infrastructure, we'll do newlib manually.
use_bzip2 yes
extract.only gcc-${version}.tar.bz2

# Extract newlib and create a symlink of newlib/newlib in gcc directory.
post-extract {
system "cd ${workpath} && gzip -dc ${distpath}/newlib-${newlibversion}.tar.gz | tar -xf -"
system "ln -s ${workpath}/newlib-${newlibversion}/newlib ${workpath}/gcc-${version}/"
}

# Since we don't build gcc and binutils at the same time, gcc's Makefile will try to transform
# program names as gcc's name (add -${version} with ${version} being the version of gcc).
# But it won't work because binutils binaries don't have the ${version} suffix, and even if they
# had, they would actually have the binutils' version suffix (and not gcc's version).
# So let's tell gcc's Makefile not to do that mistake.

set environment [list AR_FOR_TARGET=${crossgcc-target}-ar AS_FOR_TARGET=${crossgcc-target}-as LD_FOR_TARGET=${crossgcc-target}-ld NM_FOR_TARGET=${crossgcc-target}-nm RANLIB_FOR_TARGET=${crossgcc-target}-ranlib]

proc multilibpatch_enable { options dirnames exceptions matches } {
global worksrcpath
system "echo 'MULTILIB_OPTIONS += ${options}' >> ${worksrcpath}/gcc/config/arm/t-arm-elf"
system "echo 'MULTILIB_DIRNAMES += ${dirnames}' >> ${worksrcpath}/gcc/config/arm/t-arm-elf"
system "echo 'MULTILIB_EXCEPTIONS += ${exceptions}' >> ${worksrcpath}/gcc/config/arm/t-arm-elf"
system "echo 'MULTILIB_MATCHES += ${matches}' >> ${worksrcpath}/gcc/config/arm/t-arm-elf"
}

Variant: be {
# Big endian multilib support
post-patch {
multilibpatch_enable "mlittle-endian/mbig-endian" "le be" "" "mbig-endian=mbe mlittle-endian=mle"
}
}

Variant: ep9312 {
# ep9312 multilib support
post-patch {
multilibpatch_enable "mcpu=ep9312" "ep9312" "*mthumb/*mcpu=ep9312* *mcpu=ep9312*/*mhard-float*" ""
}
}

Variant: fpu {
# fpu multilib support
post-patch {
multilibpatch_enable "mhard-float/msoft-float" "fpu soft" "*mthumb/*mhard-float*" ""
}
}

Variant: interwork {
# thumb interwork multilib support
post-patch {
multilibpatch_enable "mno-thumb-interwork/mthumb-interwork" "normal interwork" "" ""
}
}

Variant: under {
# leading underscore multilib support
post-patch {
multilibpatch_enable "fno-leading-underscore/fleading-underscore" "elf under" "" ""
}
}

Variant: nofmult {
# no fpu multiplication multilib support
post-patch {
multilibpatch_enable "mcpu=arm7" "nofmult" "*mthumb*/*mcpu=arm7*" ""
}
}

# Build in a different directory, as advised in the README file.
pre-configure {
file mkdir "${workpath}/build"
}
configure.dir ${workpath}/build
configure.cmd ${workpath}/gcc-${version}/configure
configure.cc "cc -no-cpp-precomp"
configure.env ${environment}
configure.args --infodir='${prefix}/share/info' --mandir='${prefix}/share/man' --target=${crossgcc-target} --program-prefix=${crossgcc-target}- --program-suffix=-${version} --with-included-gettext --enable-obsolete --with-newlib --enable-multilib --enable-biendian --with-gxx-include-dir=${prefix}/${crossgcc-target}/include/c++/${version}/ ${default-languages}

build.dir ${workpath}/build

build.args ${environment}
destroot.args ${environment}

post-patch {
namespace eval crossgcc {}

# Fix the info pages and related stuff.
#
# path: path to the doc directory (e.g. gas/doc/)
# makefile: path to Makefile.in (e.g. gas/doc/Makefile.in)
# name: name of the info page (e.g. as)
# suffix: suffix of the souce page (texinfo or texi)
proc crossgcc::fixinfo { path makefile name suffix } {
global crossgcc-target worksrcpath

# Fix the source
reinplace "s|setfilename ${name}.info|setfilename ${crossgcc-target}-${name}.info|g" ${worksrcpath}/${path}/${name}.${suffix}
reinplace "s|(${name})|(${crossgcc-target}-${name})|g" ${worksrcpath}/${path}/${name}.${suffix}
reinplace "s| file{${name}}| file{${crossgcc-target}-${name}}|g" ${worksrcpath}/${path}/${name}.${suffix}

# Fix the Makefile
reinplace "s| ${name}.info| ${crossgcc-target}-${name}.info|g" ${worksrcpath}/${makefile}
reinplace "s|/${name}.info|/${crossgcc-target}-${name}.info|g" ${worksrcpath}/${makefile}
reinplace "s|^${name}.info|${crossgcc-target}-${name}.info|g" ${worksrcpath}/${makefile}
reinplace "s| ${name}.pod| ${crossgcc-target}-${name}.pod|g" ${worksrcpath}/${makefile}
reinplace "s|/${name}.pod|/${crossgcc-target}-${name}.pod|g" ${worksrcpath}/${makefile}
reinplace "s|^${name}.pod|${crossgcc-target}-${name}.pod|g" ${worksrcpath}/${makefile}
reinplace "s| ${name}.${suffix}| ${crossgcc-target}-${name}.${suffix}|g" ${worksrcpath}/${makefile}
reinplace "s|/${name}.${suffix}|/${crossgcc-target}-${name}.${suffix}|g" ${worksrcpath}/${makefile}
reinplace "s|^${name}.${suffix}|${crossgcc-target}-${name}.${suffix}|g" ${worksrcpath}/${makefile}

# Rename the source
file rename ${worksrcpath}/${path}/${name}.${suffix} ${worksrcpath}/${path}/${crossgcc-target}-${name}.${suffix}

# Fix install-info's dir.
# (note: this may be effectless if there was no info dir to be fixed)
reinplace "s|--info-dir=\$(DESTDIR)\$(infodir)|--dir-file=\$(DESTDIR)\$(infodir)/${crossgcc-target}-gcc-dir|g" "${worksrcpath}/${makefile}"
}

# Fix the gettext files and related stuff.
#
# module: name of the module (e.g. gas)
proc crossgcc::fixgettext { module } {
global crossgcc-target worksrcpath

if { [ file exists "${worksrcpath}/${module}/Makefile.in" ] } {
reinplace "s| PACKAGE |${crossgcc-target}- PACKAGE |g" "${worksrcpath}/${module}/Makefile.in"
}
if { [ file exists "${worksrcpath}/${module}/doc/Makefile.in" ] } {
reinplace "s| PACKAGE |${crossgcc-target}- PACKAGE |g" "${worksrcpath}/${module}/doc/Makefile.in"
}
if { [ file exists "${worksrcpath}/${module}/po/Make-in" ] } {
reinplace "s| PACKAGE |${crossgcc-target}- PACKAGE |g" "${worksrcpath}/${module}/po/Make-in"
}
}

# gcc/doc/cpp.texi
crossgcc::fixinfo gcc/doc/ gcc/Makefile.in cpp texi

# gcc/doc/cppinternals.texi
crossgcc::fixinfo gcc/doc/ gcc/Makefile.in cppinternals texi

# gcc/doc/gcc.texi
crossgcc::fixinfo gcc/doc/ gcc/Makefile.in gcc texi

# gcc/doc/gccint.texi
crossgcc::fixinfo gcc/doc/ gcc/Makefile.in gccint texi

# gcc/f/g77.texi
crossgcc::fixinfo gcc/fortran/ gcc/fortran/Make-lang.in gfortran texi

# gcc/java/gcj.texi
crossgcc::fixinfo gcc/java/ gcc/java/Make-lang.in gcj texi

# fastjar/fastjar.texi
crossgcc::fixinfo fastjar/ fastjar/Makefile.in fastjar texi

# gcc/doc/gccinstall.info
crossgcc::fixinfo gcc/doc/ gcc/Makefile.in gccinstall info

# gettext stuff.
crossgcc::fixgettext gcc
crossgcc::fixgettext fastjar
crossgcc::fixgettext libcpp
}

pre-destroot {
# gcc needs the cross directory structure to be present
# in order to fill it during installation.
file mkdir "${destroot}/${prefix}/${crossgcc-target}/bin"
file mkdir "${destroot}/${prefix}/${crossgcc-target}/lib"
}

post-destroot {
namespace eval crossgcc {}

# Rename a man page if it exists.
#
# section: section of the man page (e.g. 1)
# manpage: name of the man page (e.g. cpp)
proc crossgcc::rename_man_page { section manpage } {
global crossgcc-target destroot prefix

set manpage_path "${destroot}/${prefix}/share/man/man${section}/${manpage}.${section}"
if { [ file exists ${manpage_path} ] } {
file rename ${manpage_path} "${destroot}/${prefix}/share/man/man${section}/${crossgcc-target}-${manpage}.${section}"
}
}

# Stuff I don't want (either because they're in the system
# or because they would conflict with other FSF ports)
# (it's easier for maintainability purposes to fix things here)

# aliases for locales (should be on the system)
file delete "${destroot}/${prefix}/share/locale/locale.alias"

# FSF propaganda (should already be there or would conflict)
file delete -force "${destroot}/${prefix}/share/man/man7"

# (host) libiberty
file delete "${destroot}/${prefix}/lib/libiberty.a"

# aliases for charsets (should already be there)
file delete "${destroot}/${prefix}/lib/charset.alias"

# Remove man pages for tools that are not built as part of cross-gcc
file delete "${destroot}/${prefix}/share/man/man1/rmic.1"
file delete "${destroot}/${prefix}/share/man/man1/rmiregistry.1"
file delete "${destroot}/${prefix}/share/man/man1/jv-convert.1"
file delete "${destroot}/${prefix}/share/man/man1/gij.1"

# For some reason, some man pages are not prefixed while they should have been
# (to avoid conflicting).
crossgcc::rename_man_page 1 cpp
crossgcc::rename_man_page 1 gcjh
crossgcc::rename_man_page 1 gcov
crossgcc::rename_man_page 1 jcf-dump
crossgcc::rename_man_page 1 jv-scan

# There is a bug in gcc/Makefile::install-driver
# For cross compilers, $(GCC_INSTALL_NAME) is equal to
# $(target_noncanonical)-gcc-$(version)
# and hence the driver isn't installed.
xinstall -c "${workpath}/build/gcc/xgcc" "${destroot}/${prefix}/bin/${crossgcc-target}-gcc-${version}"
}

livecheck.check regex
livecheck.url http://gcc.gnu.org/releases.html
livecheck.regex {