Mercurial > hg > aboriginal
view simple-cross-compiler.sh @ 999:4bd1bc15a744
Move distcc setup to dev-environment.sh. Fix bug where CPUS wasn't defined if distcc wasn't being used (leading to make -j with no limit, and OOM conditions in the emulated system).
author | Rob Landley <rob@landley.net> |
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date | Mon, 15 Mar 2010 06:01:36 -0500 |
parents | fc134a13357e |
children | 48784ae8533e |
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#!/bin/bash # Build a cross compiler for the specified target. # Get lots of predefined environment variables and shell functions. source sources/include.sh || exit 1 # Parse the sources/targets/$1 directory read_arch_dir "$1" # If this target has a base architecture that's already been built, use that. check_for_base_arch || exit 0 # Ok, we have work to do. Announce start of stage. echo "=== Building $STAGE_NAME" # Build binutils, gcc, and ccwrap FROM_ARCH= PROGRAM_PREFIX="${ARCH}-" build_section binutils FROM_ARCH= PROGRAM_PREFIX="${ARCH}-" build_section gcc FROM_ARCH= PROGRAM_PREFIX="${ARCH}-" build_section ccwrap # Build C Library build_section linux-headers HOST_UTILS=1 build_section uClibc cat > "${STAGE_DIR}"/README << EOF && Cross compiler for $ARCH From http://impactlinux.com/fwl To use: Add the "bin" subdirectory to your \$PATH, and use "$ARCH-cc" as your compiler. The syntax used to build the Linux kernel is: make ARCH=${KARCH} CROSS_COMPILE=${ARCH}- EOF # Strip the binaries if [ -z "$SKIP_STRIP" ] then cd "$STAGE_DIR" for i in `find bin -type f` `find "$CROSS_TARGET" -type f` do strip "$i" 2> /dev/null done fi # Tar it up create_stage_tarball # A quick hello world program to test the cross compiler out. # Build hello.c dynamic, then static, to verify header/library paths. echo "Sanity test: building Hello World." "${ARCH}-gcc" -Os "${SOURCES}/toys/hello.c" -o "$WORK"/hello && "${ARCH}-gcc" -Os -static "${SOURCES}/toys/hello.c" -o "$WORK"/hello && if [ ! -z "$CROSS_SMOKE_TEST" ] && which qemu-"${QEMU_TEST}" > /dev/null then [ x"$(qemu-"${QEMU_TEST}" "${WORK}"/hello)" == x"Hello world!" ] && echo Cross-toolchain seems to work. fi [ $? -ne 0 ] && dienow echo -e "\e[32mCross compiler toolchain build complete.\e[0m"