Ticket #30767: Portfile.2

# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
# $Id$

PortSystem      1.0

name            lm32-rtems-gcc
version         4.5.2

# Parameters for this port.
set newlibversion   1.19.0
set crossgcc-target lm32-rtems
set rtemsversion    4.11
set default-languages   --enable-languages="c"

description     gcc cross-compilers for l32-rtems, with newlib runtime library.
long_description \
    gnu compilers collection (c, c++, fortran and objc) for \
    lm32-rtems cross-development (Milkymist SoC & lm32_evr).
homepage        http://gcc.gnu.org/
platforms       darwin
categories      cross devel
maintainers     gmail.com:yann.sionneau
master_sites    ftp://ftp.rtems.com/pub/rtems/SOURCES/${rtemsversion}/ \
                http://www.rtems.com/ftp/pub/rtems/SOURCES/${rtemsversion}/

distfiles       gcc-core-${version}.tar.bz2 \
                newlib-${newlibversion}.tar.gz \
                gcc-core-${version}-rtems${rtemsversion}-20110220.diff \
                newlib-${newlibversion}-rtems${rtemsversion}-20110724.diff
use_bzip2       yes
checksums       gcc-core-${version}.tar.bz2 \
                    sha1    130eb3828e7b16118388febdac4e7ff03f83119e \
                    rmd160  51a803c44369d6aeb3be124580d907b406a5bffd \
                newlib-${newlibversion}.tar.gz \
                    sha1    b2269d30ce7b93b7c714b90ef2f40221c2df0fcd \
                    rmd160  a28bd656ec895da0738dac3fb367851a2992d724 \
                gcc-core-${version}-rtems${rtemsversion}-20110220.diff \
                    sha1    3d9d44e6883ea367cedbf42f2276173a46a9762e \
                    rmd160  1d24d4e879da15afdee6659e3ead5fb96acfcc88 \
                newlib-${newlibversion}-rtems${rtemsversion}-20110724.diff \
                    sha1    07130510140d217d2b006a932ae1031daa8ebc61 \
                    rmd160  517396c2cf7357fe5e14dd69329582bedabc68db

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

# Download everything to gcc/
dist_subdir     gcc

depends_lib     bin:${crossgcc-target}${rtemsversion}-ar:${crossgcc-target}-binutils \
                bin:${crossgcc-target}${rtemsversion}-as:${crossgcc-target}-binutils \
                bin:${crossgcc-target}${rtemsversion}-ld:${crossgcc-target}-binutils \
                bin:${crossgcc-target}${rtemsversion}-nm:${crossgcc-target}-binutils \
                bin:${crossgcc-target}${rtemsversion}-ranlib:${crossgcc-target}-binutils \
                port:gmp port:mpfr port:libiconv port:libmpc port:cloog-ppl

patchfiles      gcc-ppl-version.patch \
                gcc-lm32-multilib.patch

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

worksrcdir      gcc-${version}

# the generated compiler doesn't accept -arch
if {[info exists build_arch] && ${os.platform} == "darwin"} {
    configure.cc_archflags
    configure.cxx_archflags
    configure.objc_archflags
    configure.pre_args-append --build=${build_arch}-apple-darwin${os.major}
}

# Extract newlib and create a symlink of newlib/newlib in gcc directory.
post-extract    {
    system -W ${workpath} "tar xzf ${distpath}/newlib-${newlibversion}.tar.gz"
    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 make that mistake.

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

# 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.env-append    ${environment}
configure.args          --target=${crossgcc-target}${rtemsversion} \
                        --with-newlib \
                        --with-gnu-as \
                        --enable-threads \
                        --with-system-zlib \
                        --with-gmp=${prefix} \
                        --with-mpfr=${prefix} \
                        --with-mpc=${prefix} \
                        ${default-languages} \
                        --libdir=${prefix}/lib/${name} \
                        --includedir=${prefix}/include/${name} \
                        --infodir=${prefix}/share/info \
                        --mandir=${prefix}/share/man \
                        --datarootdir=${prefix}/share/${name} \
                        --with-local-prefix=${prefix} \
                        --disable-nls

build.dir       ${workpath}/build

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

pre-patch {
    # Additional patches for rtems.
    system -W ${workpath}/gcc-${version} \
        "patch -p1 < ${distpath}/gcc-core-${version}-rtems${rtemsversion}-20110220.diff"
    system -W ${workpath}/newlib-${newlibversion} \
        "patch -p1 < ${distpath}/newlib-${newlibversion}-rtems${rtemsversion}-20110724.diff"
}

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

    # gettext stuff.
    crossgcc::fixgettext gcc
    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
# The following lines produce error about glob not matching any file
#   foreach f [glob -directory "${destroot}${prefix}/lib" libiberty.a */libiberty.a] {
#        file delete $f
#    }

    # 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.type      regex
livecheck.url       http://gcc.gnu.org/releases.html
livecheck.regex     {<tr><td><a href="gcc-.*/">GCC (.*)</a></td>   <td>.*</td></tr>}