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#!/bin/bash
# Slackware build script for pcc (Portable C Compiler)
# Originally written by Armin Besirovic <armin[at]linux[dot]org[dot]ba>
# Modified by B. Watson <yalhcru@gmail.com>
# 20141031 bkw:
# - took over maintentance.
# - upgraded for 1.1.0 beta series.
# - combined pcc and pcc-libs into one build, since either one is
# useless without the other.
# - removed pcc-lib's 002-build-libpcc-with-pcc.patch as it's been
# applied upstream in the 1.1.0 branch.
# - use private /usr/libexec/pcc/ dir instead of installing stuff
# directly in /usr/libexec. Probably just paranoia.
# - rename cpp-pcc man page to pcpp, since the beta installs a
# /usr/bin/pcpp.
# - get rid of -j1 in make command, seems to no longer be needed.
# - add logic to choose which compiler to use if CC not set.
# - extract license from source, install to /usr/doc
# 20150126 bkw:
# - upgraded for pcc-1.1.0 release, no more beta
# - add seddery to fix typo in cc.c (ifdef => ifndef)
cd $(dirname $0) ; CWD=$(pwd)
PRGNAM=pcc
VERSION=${VERSION:-1.1.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
if [ -z "$ARCH" ]; then
case "$( uname -m )" in
i?86) ARCH=i586 ;;
arm*) ARCH=arm ;;
*) ARCH=$( uname -m ) ;;
esac
fi
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}
# non-standard stanza here: we're not going to use -march= or -mtune=
# on 32-bit Slackware, because doing so prevents pcc from being used
# to compile itself. I could add logic to use those flags only if
# CC is gcc, but the extra complexity isn't worth the dubious benefit.
SLKCFLAGS="-O2 -fPIC"
if [ "$ARCH" = "x86_64" ]; then
LIBDIRSUFFIX="64"
else
LIBDIRSUFFIX=""
fi
set -e
# which compiler shall we use?
if [ "$CC" = "" ]; then
# user didn't specify, autodetect.
if pcc --version &>/dev/null; then
CC=pcc
elif gcc --version &>/dev/null; then
CC=gcc
elif clang --version &>/dev/null; then
CC=clang
else
echo "Can't find any of pcc, gcc, or clang in \$PATH. Giving up." 1>&2
fi
fi
export CC
WITHCC="$( basename $CC )"
[ "$CC" = "pcc" ] && WITHCC="pcc itself"
# enable TLS? upstream disables it by default.
TLSOPT="--disable-tls"
if [ "${TLS:-no}" = "yes" ]; then
TLSOPT="--enable-tls"
fi
rm -rf $PKG $TMP/$PRGNAM
mkdir -p $TMP/$PRGNAM $PKG $OUTPUT
cd $TMP/$PRGNAM
tar xvf $CWD/$PRGNAM-$VERSION.tgz
tar xvf $CWD/$PRGNAM-libs-$VERSION.tgz
chown -R root:root .
find -L . \
\( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-o -perm 511 \) -exec chmod 755 {} \; -o \
\( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
# first, the compiler itself:
cd $PRGNAM-$VERSION
# fix typo, ref http://marc.info/?l=pcc-list&m=141824411830017&w=2
sed -i '0,/^#ifdef MULTI/!s,^#ifdef \(MULTI\),#ifndef \1,' cc/cc/cc.c
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
$TLSOPT \
--prefix=/usr \
--mandir=/usr/man \
--libdir=/usr/lib${LIBDIRSUFFIX} \
--libexecdir=/usr/libexec/$PRGNAM \
--build=$ARCH-slackware-linux
# no install-strip, but binaries are already stripped by default.
make
make install DESTDIR=$PKG
gzip -9 $PKG/usr/man/man?/*.?
# Don't overwrite Slackware's man page.
mv $PKG/usr/man/man1/cpp.1.gz $PKG/usr/man/man1/pcpp.1.gz
# why are there no docs in the @##!$^ tarball?!
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
# license is BSD-style, in comments in the code.
sed -n '/Copyright/,/^ *$/s,^...,,p' cc/cc/cc.c \
> $PKG/usr/doc/$PRGNAM-$VERSION/LICENSE
# now, build the libs. we don't attempt to build them with the just-built
# pcc (maybe possible, but not worth the effort).
cd $TMP/$PRGNAM/$PRGNAM-libs-$VERSION
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
--prefix=/usr \
--libdir=/usr/lib${LIBDIRSUFFIX} \
--build=$ARCH-slackware-linux
# pcc-libs installs nothing we can strip.
make
make install DESTDIR=$PKG
# there is a bit of documentation included with pcc-libs, but nothing
# really relevant unless you're hacking on pcc itself, not gonna bother.
mkdir -p $PKG/install
sed -e "s,@WITHCC@,$WITHCC," \
-e "s,@TLSOPT@,$TLSOPT," \
$CWD/slack-desc > $PKG/install/slack-desc
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
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