sys-devel/gcc-apple/gcc-apple-4.0.1_p5363-r1.ebuild

   1 # Copyright 1999-2008 Gentoo Foundation
   2 # Distributed under the terms of the GNU General Public License v2
   3 # $Id$
   4
   5 EAPI="prefix"
   6
   7 inherit eutils
   8
   9 GCC_VERS=${PV/_p*/}
  10 APPLE_VERS=${PV/*_p/}
  11 DESCRIPTION="Apple branch of the GNU Compiler Collection, Xcode 2.4"
  12 HOMEPAGE="http://gcc.gnu.org"
  13 SRC_URI="http://www.opensource.apple.com/darwinsource/tarballs/other/gcc-${APPLE_VERS}.tar.gz"
  14
  15 # Magic from toolchain.eclass
  16 export CTARGET=${CTARGET:-${CHOST}}
  17 if [[ ${CTARGET} = ${CHOST} ]] ; then
  18         if [[ ${CATEGORY/cross-} != ${CATEGORY} ]] ; then
  19                 export CTARGET=${CATEGORY/cross-}
  20         fi
  21 fi
  22 is_crosscompile() {
  23         [[ ${CHOST} != ${CTARGET} ]]
  24 }
  25
  26 # TPREFIX is the prefix of the CTARGET installation
  27 export TPREFIX=${TPREFIX:-${EPREFIX}}
  28
  29 LICENSE="APSL-2 GPL-2"
  30 if is_crosscompile; then
  31         SLOT="${CTARGET}-40"
  32 else
  33         SLOT="40"
  34 fi
  35
  36 KEYWORDS="~ppc-macos ~x86-macos ~x86-solaris"
  37
  38 IUSE="nls objc objc++ nocxx"
  39
  40 RDEPEND=">=sys-libs/zlib-1.1.4
  41         >=sys-libs/ncurses-5.2-r2
  42         nls? ( sys-devel/gettext )
  43         >=sys-devel/gcc-config-1.3.12-r4"
  44 DEPEND="${RDEPEND}
  45         >=sys-apps/texinfo-4.2-r4
  46         >=sys-devel/bison-1.875
  47         ${CATEGORY}/binutils-apple"
  48
  49 S=${WORKDIR}/gcc-${APPLE_VERS}
  50
  51 if is_crosscompile ; then
  52         BINPATH=${EPREFIX}/usr/${CHOST}/${CTARGET}/gcc-bin/${GCC_VERS}
  53 else
  54         BINPATH=${EPREFIX}/usr/${CTARGET}/gcc-bin/${GCC_VERS}
  55 fi
  56
  57 src_unpack() {
  58         unpack ${A}
  59         cd "${S}"
  60         # we use our libtool
  61         sed -i -e "s:/usr/bin/libtool:${EPREFIX}/usr/bin/${CTARGET}-libtool:" \
  62                 gcc/config/darwin.h || die "sed gcc/config/darwin.h failed"
  63         # add prefixed Frameworks to default search paths (may want to change this
  64         # in a cross-compile)
  65         sed -i -e "/\"\/System\/Library\/Frameworks\"\,/i\ \   \"${EPREFIX}/Frameworks\"\, " \
  66                 gcc/config/darwin-c.c || die "sed  gcc/config/darwin-c.c failed"
  67
  68         # Workaround deprecated "+Nc" syntax for GNU tail(1)
  69         sed -i -e "s:tail +16c:tail -c +16:g" \
  70                 gcc/Makefile.in || die "sed gcc/Makefile.in failed."
  71 }
  72
  73 src_compile() {
  74         local langs="c"
  75         use nocxx || langs="${langs},c++"
  76 #       use fortran && langs="${langs},f95"
  77         use objc && langs="${langs},objc"
  78         use objc++ && langs="${langs/,objc/},objc,obj-c++" # need objc with objc++
  79 #       use gcj && langs="${langs},java"
  80
  81         local myconf="${myconf} \
  82                 --prefix=${EPREFIX}/usr \
  83                 --bindir=${BINPATH} \
  84                 --includedir=${EPREFIX}/usr/lib/gcc/${CTARGET}/${GCC_VERS}/include \
  85                 --datadir=${EPREFIX}/usr/share/gcc-data/${CTARGET}/${GCC_VERS} \
  86                 --mandir=${EPREFIX}/usr/share/gcc-data/${CTARGET}/${GCC_VERS}/man \
  87                 --infodir=${EPREFIX}/usr/share/gcc-data/${CTARGET}/${GCC_VERS}/info \
  88                 --with-gxx-include-dir=${EPREFIX}/usr/lib/gcc/${CTARGET}/${GCC_VERS}/include/g++-v${GCC_VERS/\.*/} \
  89                 --host=${CHOST} \
  90                 --enable-version-specific-runtime-libs"
  91
  92         if is_crosscompile ; then
  93                 # Straight from the GCC install doc:
  94                 # "GCC has code to correctly determine the correct value for target
  95                 # for nearly all native systems. Therefore, we highly recommend you
  96                 # not provide a configure target when configuring a native compiler."
  97                 myconf="${myconf} --target=${CTARGET}"
  98
  99                 # Tell compiler where to find what it needs
 100                 myconf="${myconf} --with-sysroot=${EPREFIX}/usr/${CTARGET}"
 101
 102                 # Set this to something sane for both native and target
 103                 CFLAGS="-O2 -pipe"
 104
 105                 local VAR="CFLAGS_"${CTARGET//-/_}
 106                 CXXFLAGS=${!VAR}
 107         fi
 108         [[ -n ${CBUILD} ]] && myconf="${myconf} --build=${CBUILD}"
 109
 110         # Native Language Support
 111         if use nls ; then
 112                 myconf="${myconf} --enable-nls --without-included-gettext"
 113         else
 114                 myconf="${myconf} --disable-nls"
 115         fi
 116
 117         # reasonably sane globals (hopefully)
 118         # --disable-libunwind-exceptions needed till unwind sections get fixed. see ps.m for details
 119         myconf="${myconf} \
 120                 --with-system-zlib \
 121                 --disable-checking \
 122                 --disable-werror \
 123                 --disable-libunwind-exceptions"
 124
 125         # languages to build
 126         myconf="${myconf} --enable-languages=${langs}"
 127
 128         # ???
 129         myconf="${myconf} --enable-shared --enable-threads=posix"
 130
 131         # make clear we're in an offset
 132         use prefix && myconf="${myconf} --with-local-prefix=${TPREFIX}/usr"
 133
 134         # we don't use a GNU linker, so tell GCC where to find the linker stuff we
 135         # want it to use
 136         myconf="${myconf} \
 137                 --with-as=${EPREFIX}/usr/bin/${CTARGET}-as \
 138                 --with-ld=${EPREFIX}/usr/bin/${CTARGET}-ld"
 139
 140         # <grobian@gentoo.org> - 2006-09-19:
 141         # figure out whether the CPU we're on is 64-bits capable using a
 142         # simple C program and requesting the compiler to compile it with
 143         # 64-bits if possible.  Since Apple ships multilib compilers, it
 144         # will always compile 64-bits code, but might fail running,
 145         # depending on the CPU, so the resulting program might fail.  Thanks
 146         # Tobias Hahn for working that out.
 147         if [[ ${CHOST} == powerpc-apple-darwin* ]] && ! is_crosscompile ; then
 148                 cd "${T}"
 149                 echo '
 150 #include <stdio.h>
 151
 152 int main() {
 153         printf("%d\n", sizeof(size_t) * 8);
 154 }
 155 ' > bits.c
 156                 # native gcc doesn't come in a ${CHOST}-gcc fashion if on older Xcode
 157                 gcc -m64 -o bits bits.c
 158                 if [[ $(./bits) != 64 ]] ; then
 159                         myconf="${myconf} --disable-multilib"
 160                 fi
 161         else
 162                 # ld64 doesn't compile on non-Darwin hosts, 64-bits building is broken
 163                 # on x86_64-darwin
 164                 myconf="${myconf} --disable-multilib"
 165         fi
 166
 167         mkdir -p "${WORKDIR}"/build
 168         cd "${WORKDIR}"/build
 169         einfo "Configuring GCC with: ${myconf//--/\n\t--}"
 170         "${S}"/configure ${myconf} || die "conf failed"
 171         make -j1 bootstrap || die "emake failed"
 172 }
 173
 174 src_install() {
 175         cd "${WORKDIR}"/build
 176         # -jX doesn't work
 177         make DESTDIR="${D}" install || die
 178
 179         use build && rm -rf "${ED}"/usr/{man,share}
 180         find "${ED}" -name libiberty.a -exec rm -f {} \;
 181
 182         # create gcc-config entry
 183         dodir /etc/env.d/gcc
 184         local gcc_envd_base="/etc/env.d/gcc/${CHOST}-${GCC_VERS}"
 185
 186         gcc_envd_file="${ED}${gcc_envd_base}"
 187
 188         echo "PATH=\"${EPREFIX}/usr/${CHOST}/gcc-bin/${GCC_VERS}\"" > ${gcc_envd_file}
 189         echo "ROOTPATH=\"${EPREFIX}/usr/${CHOST}/gcc-bin/${GCC_VERS}\"" >> ${gcc_envd_file}
 190
 191         LDPATH="${EPREFIX}/usr/lib/gcc/${CHOST}/${GCC_VERS}"
 192         echo "LDPATH=\"${LDPATH}\"" >> ${gcc_envd_file}
 193
 194         BITS=$(${ED}/usr/${CHOST}/gcc-bin/${GCC_VERS}/gcc -dumpspecs | grep -A1 multilib: | tail -n1 | grep -o 64 | head -n1)
 195         [[ -z ${BITS} ]] \
 196                 && BITS="32" \
 197                 || BITS="32 ${BITS}"
 198         echo "GCCBITS=\"${BITS}\"" >> ${gcc_envd_file}
 199
 200         echo "MANPATH=\"${EPREFIX}/usr/share/gcc-data/${CHOST}/${GCC_VERS}/man\"" >> ${gcc_envd_file}
 201         echo "INFOPATH=\"${EPREFIX}/usr/share/gcc-data/${CHOST}/${GCC_VERS}/info\"" >> ${gcc_envd_file}
 202         echo "STDCXX_INCDIR=\"g++-v${GCC_VERS/\.*/}\"" >> ${gcc_envd_file}
 203         is_crosscompile && echo "CTARGET=${CTARGET}" >> ${gcc_envd_file}
 204 }
 205
 206 pkg_postinst() {
 207         # beware this also switches when it's on another branch version of GCC
 208         gcc-config ${CTARGET}-${GCC_VERS}
 209 }
 210
 211 pkg_postrm() {
 212         # clean up the cruft left behind by cross-compilers
 213         if is_crosscompile ; then
 214                 if [[ -z $(ls "${EROOT}"/etc/env.d/gcc/${CTARGET}* 2>/dev/null) ]] ; then
 215                         rm -f "${EROOT}"/etc/env.d/gcc/config-${CTARGET}
 216                         rm -f "${EROOT}"/etc/env.d/??gcc-${CTARGET}
 217                         rm -f "${EROOT}"/usr/bin/${CTARGET}-{gcc,{g,c}++}{,32,64}
 218                 fi
 219                 return 0
 220         fi
 221 }