#!/opt/tigersh-deps-0.1/bin/bash
# based on templates/build-from-source.sh v6

# Install m4 on OS X Tiger / PowerPC.

package=m4
version=1.4.19
upstream=https://ftp.gnu.org/gnu/$package/$package-$version.tar.gz

set -e -o pipefail
PATH="/opt/tigersh-deps-0.1/bin:$PATH"
TIGERSH_MIRROR=${TIGERSH_MIRROR:-https://leopard.sh}

if test -n "$(echo -n $0 | grep '\.ppc64\.sh$')" ; then
    ppc64=".ppc64"
fi

pkgspec=$package-$version$ppc64

echo -n -e "\033]0;tiger.sh $pkgspec ($(tiger.sh --cpu))\007"

if tiger.sh --install-binpkg $pkgspec ; then
    exit 0
fi

echo -e "${COLOR_CYAN}Building${COLOR_NONE} $pkgspec from source." >&2
set -x

if ! test -e /usr/bin/gcc ; then
    tiger.sh xcode-2.5
fi

tiger.sh --unpack-dist $pkgspec
cd /tmp/$package-$version

CFLAGS=$(tiger.sh -mcpu -O)
if test -n "$ppc64" ; then
    CFLAGS="-m64 $CFLAGS"
fi

if ! test -n "$ppc64" ; then
    # 32-bit tiger ppc fails with:
    # sigsegv.c: In function 'sigsegv_handler':
    # sigsegv.c:938: error: 'struct mcontext' has no member named '__ss'
    # Thanks to https://trac.macports.org/ticket/63381
    perl -pi -e "s/__ss.__r1/ss.r1/g" lib/sigsegv.c
fi

/usr/bin/time ./configure -C --prefix=/opt/$pkgspec \
    CFLAGS="$CFLAGS"

/usr/bin/time make $(tiger.sh -j) V=1

if test -n "$TIGERSH_RUN_BROKEN_TESTS" ; then
    # Note: there is one test failure:
    # zgrep-signal: set-up failure: signal handling busted on this host
    # ERROR: zgrep-signal
    make check
fi

make install

tiger.sh --linker-check $pkgspec
tiger.sh --arch-check $pkgspec $ppc64

if test -e config.cache ; then
    mkdir -p /opt/$pkgspec/share/tiger.sh/$pkgspec
    gzip -9 config.cache
    mv config.cache.gz /opt/$pkgspec/share/tiger.sh/$pkgspec/
fi