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# This file is part of mingw-cross-env.
# See doc/index.html for further information.

# GCC
PKG             := gcc
$(PKG)_IGNORE   :=
$(PKG)_VERSION  := 4.5.1
$(PKG)_CHECKSUM := 78809acdaef48e74165efe3289cb1a3cb344e406
$(PKG)_SUBDIR   := gcc-$($(PKG)_VERSION)
$(PKG)_FILE     := gcc-$($(PKG)_VERSION).tar.bz2
$(PKG)_WEBSITE  := http://gcc.gnu.org/
$(PKG)_URL      := ftp://ftp.gnu.org/pub/gnu/gcc/gcc-$($(PKG)_VERSION)/$($(PKG)_FILE)
$(PKG)_URL_2    := ftp://ftp.cs.tu-berlin.de/pub/gnu/gcc/gcc-$($(PKG)_VERSION)/$($(PKG)_FILE)
$(PKG)_DEPS     := mingwrt w32api binutils gcc-gmp gcc-mpc gcc-mpfr

define $(PKG)_UPDATE
    wget -q -O- 'http://ftp.gnu.org/gnu/gcc/?C=M;O=D' | \
    $(SED) -n 's,.*<a href="gcc-\([0-9][^"]*\)/".*,\1,p' | \
    grep -v '^4\.[43]\.' | \
    head -1
endef

define $(PKG)_BUILD
    # unpack support libraries
    cd '$(1)' && $(call UNPACK_PKG_ARCHIVE,gcc-gmp)
    mv '$(1)/$(gcc-gmp_SUBDIR)' '$(1)/gmp'
    cd '$(1)' && $(call UNPACK_PKG_ARCHIVE,gcc-mpc)
    mv '$(1)/$(gcc-mpc_SUBDIR)' '$(1)/mpc'
    cd '$(1)' && $(call UNPACK_PKG_ARCHIVE,gcc-mpfr)
    mv '$(1)/$(gcc-mpfr_SUBDIR)' '$(1)/mpfr'

    # build GCC and support libraries
    mkdir '$(1).build'
    # mpfr 3.0.0 configure expects these gmp headers here
    mkdir '$(1).build/gmp'
    ln -s '$(1)/gmp/gmp-impl.h' '$(1).build/gmp/'
    ln -s '$(1)/gmp/longlong.h' '$(1).build/gmp/'
    cd    '$(1).build' && '$(1)/configure' \
        --target='$(TARGET)' \
        --prefix='$(PREFIX)' \
        --enable-languages='c,c++,objc,fortran' \
        --enable-version-specific-runtime-libs \
        --with-gcc \
        --with-gnu-ld \
        --with-gnu-as \
        --disable-nls \
        --disable-shared \
        --without-x \
        --disable-win32-registry \
        --enable-threads=win32 \
        --disable-libgomp \
        --disable-libmudflap
    $(MAKE) -C '$(1).build' -j '$(JOBS)'
    $(MAKE) -C '$(1).build' -j 1 install

    # create pkg-config script
    (echo '#!/bin/sh'; \
     echo 'PKG_CONFIG_PATH= PKG_CONFIG_LIBDIR='\''$(PREFIX)/$(TARGET)/lib/pkgconfig'\'' exec pkg-config --static "$$@"') \
             > '$(PREFIX)/bin/$(TARGET)-pkg-config'
    chmod 0755 '$(PREFIX)/bin/$(TARGET)-pkg-config'
endef