Mercurial > hg > aboriginal
view sources/include.sh @ 513:5644a8164d0d
Revert 509 with a chainsaw. (The gcc man page says gcc-min-heapsize has no effect on code generation, yet the "strip" binary bloated from 1.1 megabytes to 1.8 megabytes when cross compiled for mips from an x86_64 host. I.E. the man page lies.)
author | Rob Landley <rob@landley.net> |
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date | Tue, 02 Dec 2008 01:43:34 -0600 |
parents | b4025af91d59 |
children | 808ba1d186ac |
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#!/bin/bash [ -e config ] && source config source sources/functions.sh # What host compiler should we use? [ -z "$CC" ] && CC=gcc # How many processors should make -j use? if [ -z "$CPUS" ] then export CPUS=$[$(echo /sys/devices/system/cpu/cpu[0-9]* | wc -w)+0] [ "$CPUS" -lt 1 ] && CPUS=1 fi umask 022 unset CFLAGS CXXFLAGS # Find/create directories TOP=`pwd` export SOURCES="${TOP}/sources" export SRCDIR="${SOURCES}/packages" export FROMSRC=../packages export BUILD="${TOP}/build" export HOSTTOOLS="${BUILD}/host" [ -z "$WRAPPY_LOGDIR" ] && WRAPPY_LOGDIR="$BUILD" # Adjust $PATH if [ "$PATH" != "$HOSTTOOLS" ] then if [ -f "$HOSTTOOLS/busybox" ] then PATH="$HOSTTOOLS" else PATH="${HOSTTOOLS}:$PATH" fi fi STAGE_NAME=`echo $0 | sed 's@.*/\(.*\)\.sh@\1@'` export WRAPPY_LOGPATH="$WRAPPY_LOGDIR/cmdlines.${STAGE_NAME}.setupfor" if [ -f "$BUILD/wrapdir/wrappy" ] then export WRAPPY_REALPATH="$PATH" PATH="$BUILD/wrapdir" fi mkdir -p "${SRCDIR}" # Tell bash not to cache the $PATH because we modify it. Without this, bash # won't find new executables added after startup. set +h # Get target platform from first command line argument. if [ -z "$NO_ARCH" ] then ARCH_NAME="$1" ARCH="$(echo "$1" | sed 's@.*/@@')" if [ ! -f "${TOP}/sources/targets/${ARCH}/details" ] then echo "Supported architectures: " (cd "${TOP}/sources/targets" && ls) exit 1 fi # Read the relevant config file. CONFIG_DIR="${TOP}/sources/targets/${ARCH}" source "${CONFIG_DIR}/details" # Which platform are we building for? export WORK="${BUILD}/temp-$ARCH" mkdir -p "${WORK}" # Say "unknown" in two different ways so it doesn't assume we're NOT # cross compiling when the host and target are the same processor. (If host # and target match, the binutils/gcc/make builds won't use the cross compiler # during mini-native.sh, and the host compiler links binaries against the # wrong libc.) [ -z "$CROSS_HOST" ] && export CROSS_HOST=`uname -m`-walrus-linux [ -z "$CROSS_TARGET" ] && export CROSS_TARGET=${ARCH}-unknown-linux # Setup directories and add the cross compiler to the start of the path. export CROSS="${BUILD}/cross-compiler-$ARCH" export NATIVE="${BUILD}/mini-native-$ARCH" export PATH="${CROSS}/bin:$PATH" else ARCH_NAME=host export WORK="${BUILD}/host-temp" mkdir -p "${WORK}" fi [ $? -ne 0 ] && dienow