X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=scripts%2Fext-toolchain.sh;h=fbe8639c9c558a4ea8ea74ebccc36be64ecc1a0d;hp=de5d676bd572e576db1e3b0a4b8413941cd16f47;hb=827f108b42504bd468a771cf610373d16f8fd378;hpb=7a563f122fd80c56d4c2ef645493a33dec10baa3 diff --git a/scripts/ext-toolchain.sh b/scripts/ext-toolchain.sh index de5d676bd5..fbe8639c9c 100755 --- a/scripts/ext-toolchain.sh +++ b/scripts/ext-toolchain.sh @@ -1,6 +1,23 @@ #!/usr/bin/env bash -# Script to copy a toolchain from given source to given -# destination directory. +# +# Script for various external toolchain tasks, refer to +# the --help output for more information. +# +# Copyright (C) 2012 Jo-Philipp Wich +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA CC="" CXX="" @@ -17,7 +34,8 @@ LIB_SPECS=" c: ld-* lib{anl,c,cidn,crypt,dl,m,nsl,nss_dns,nss_files,resolv,util} rt: librt-* librt pthread: libpthread-* libpthread - cpp: libstdc++ + stdcpp: libstdc++ + thread_db: libthread-db gcc: libgcc_s ssp: libssp gfortran: libgfortran @@ -72,9 +90,9 @@ test_softfloat() { test_uclibc() { local sysroot="$("$CC" $CFLAGS -print-sysroot 2>/dev/null)" - if [ -d "$sysroot" ]; then + if [ -d "${sysroot:-$TOOLCHAIN}" ]; then local lib - for lib in "$sysroot"/{lib,usr/lib,usr/local/lib}/ld-uClibc*.so*; do + for lib in "${sysroot:-$TOOLCHAIN}"/{lib,usr/lib,usr/local/lib}/ld*-uClibc*.so*; do if [ -f "$lib" ] && [ ! -h "$lib" ]; then return 0 fi @@ -107,7 +125,7 @@ test_feature() { local inc local sysroot="$("$CC" "$@" -muclibc -print-sysroot 2>/dev/null)" for inc in "include" "usr/include" "usr/local/include"; do - local conf="$sysroot/$inc/bits/uClibc_config.h" + local conf="${sysroot:-$TOOLCHAIN}/$inc/bits/uClibc_config.h" if [ -f "$conf" ]; then case "$feature" in lfs) grep -q '__UCLIBC_HAS_LFS__ 1' "$conf"; return $?;; @@ -125,7 +143,7 @@ test_feature() { find_libs() { - local spec="$(echo "$LIB_SPECS" | sed -ne "s#^[[:space:]]*$1:##p")" + local spec="$(echo "$LIB_SPECS" | sed -ne "s#^[[:space:]]*$1:##ip")" if [ -n "$spec" ] && probe_cpp; then local libdir libdirs @@ -150,19 +168,16 @@ find_libs() { } find_bins() { - local spec="$(echo "$BIN_SPECS" | sed -ne "s#^[[:space:]]*$1:##p")" + local spec="$(echo "$BIN_SPECS" | sed -ne "s#^[[:space:]]*$1:##ip")" if [ -n "$spec" ] && probe_cpp; then local sysroot="$("$CPP" -print-sysroot)" local bindir bindirs for bindir in $( - echo "$sysroot/bin"; - echo "$sysroot/usr/bin"; - echo "$sysroot/usr/local/bin"; - echo "$TOOLCHAIN/bin"; - echo "$TOOLCHAIN/usr/bin"; - echo "$TOOLCHAIN/usr/local/bin"; + echo "${sysroot:-$TOOLCHAIN}/bin"; + echo "${sysroot:-$TOOLCHAIN}/usr/bin"; + echo "${sysroot:-$TOOLCHAIN}/usr/local/bin"; "$CPP" $CFLAGS -v -x c /dev/null 2>&1 | \ sed -ne 's#:# #g; s#^COMPILER_PATH=##p' ); do @@ -183,6 +198,47 @@ find_bins() { } +wrap_bin_cc() { + local out="$1" + local bin="$2" + + echo '#!/bin/sh' > "$out" + echo 'for arg in "$@"; do' >> "$out" + echo ' case "$arg" in -l*|-L*|-shared|-static)' >> "$out" + echo -n ' exec "'"$bin"'" '"$CFLAGS"' ${STAGING_DIR:+' >> "$out" + echo -n '-idirafter "$STAGING_DIR/usr/include" ' >> "$out" + echo -n '-L "$STAGING_DIR/usr/lib" ' >> "$out" + echo '-Wl,-rpath-link,"$STAGING_DIR/usr/lib"} "$@" ;;' >> "$out" + echo ' esac' >> "$out" + echo 'done' >> "$out" + echo -n 'exec "'"$bin"'" '"$CFLAGS"' ${STAGING_DIR:+' >> "$out" + echo '-idirafter "$STAGING_DIR/usr/include"} "$@"' >> "$out" + + chmod +x "$out" +} + +wrap_bin_ld() { + local out="$1" + local bin="$2" + + echo '#!/bin/sh' > "$out" + echo -n 'exec "'"$bin"'" ${STAGING_DIR:+' >> "$out" + echo -n '-L "$STAGING_DIR/usr/lib" ' >> "$out" + echo '-rpath-link "$STAGING_DIR/usr/lib"} "$@"' >> "$out" + + chmod +x "$out" +} + +wrap_bin_other() { + local out="$1" + local bin="$2" + + echo '#!/bin/sh' > "$out" + echo 'exec "'"$bin"'" "$@"' >> "$out" + + chmod +x "$out" +} + wrap_bins() { if probe_cc; then mkdir -p "$1" || return 1 @@ -191,28 +247,24 @@ wrap_bins() { for cmd in "${CC%-*}-"*; do if [ -x "$cmd" ]; then local out="$1/${cmd##*/}" + local bin="$cmd" + + if [ -x "$out" ] && ! grep -q STAGING_DIR "$out"; then + mv "$out" "$out.bin" + bin='$(dirname "$0")/'"${out##*/}"'.bin' + fi - echo '#!/bin/sh' > "$out" case "${cmd##*/}" in *-*cc|*-*cc-*|*-*++|*-*++-*|*-cpp) - echo -n 'exec "'"$cmd"'" '"$CFLAGS"' ' >> "$out" - echo -n '${STAGING_DIR:+-idirafter ' >> "$out" - echo -n '"$STAGING_DIR/usr/include" ' >> "$out" - echo -n '-L "$STAGING_DIR/usr/lib" ' >> "$out" - echo -n '-Wl,-rpath-link,' >> "$out" - echo '"$STAGING_DIR/usr/lib"} "$@"' >> "$out" + wrap_bin_cc "$out" "$bin" ;; *-ld) - echo -n 'exec "'"$cmd"'" ${STAGING_DIR:+' >> "$out" - echo -n '-L "$STAGING_DIR/usr/lib" ' >> "$out" - echo -n '-rpath-link ' >> "$out" - echo '"$STAGING_DIR/usr/lib"} "$@"' >> "$out" + wrap_bin_ld "$out" "$bin" ;; *) - echo "exec '$cmd' \"\$@\"" >> "$out" + wrap_bin_other "$out" "$bin" ;; esac - chmod +x "$out" fi done @@ -223,6 +275,130 @@ wrap_bins() { } +print_config() { + local mktarget="$1" + local mksubtarget + + local target="$("$CC" $CFLAGS -dumpmachine)" + local cpuarch="${target%%-*}" + local prefix="${CC##*/}"; prefix="${prefix%-*}-" + local config="${0%/scripts/*}/.config" + + # if no target specified, print choice list and exit + if [ -z "$mktarget" ]; then + # prepare metadata + if [ ! -f "${0%/scripts/*}/tmp/.targetinfo" ]; then + "${0%/*}/scripts/config/mconf" prepare-tmpinfo + fi + + local mktargets=$( + sed -ne " + /^Target: / { h }; + /^Target-Arch: $cpuarch\$/ { x; s#^Target: ##p } + " "${0%/scripts/*}/tmp/.targetinfo" | sort -u + ) + + for mktarget in $mktargets; do + case "$mktarget" in */*) + mktargets=$(echo "$mktargets" | sed -e "/^${mktarget%/*}\$/d") + esac + done + + if [ -n "$mktargets" ]; then + echo "Available targets:" >&2 + echo $mktargets >&2 + else + echo -e "Could not find a suitable OpenWrt target for " >&2 + echo -e "CPU architecture '$cpuarch' - you need to " >&2 + echo -e "define one first!" >&2 + fi + return 1 + fi + + # bail out if there is a .config already + if [ -f "${0%/scripts/*}/.config" ]; then + echo "There already is a .config file, refusing to overwrite!" >&2 + return 1 + fi + + case "$mktarget" in */*) + mksubtarget="${mktarget#*/}" + mktarget="${mktarget%/*}" + ;; esac + + + echo "CONFIG_TARGET_${mktarget}=y" > "$config" + + if [ -n "$mksubtarget" ]; then + echo "CONFIG_TARGET_${mktarget}_${mksubtarget}=y" >> "$config" + fi + + if test_feature "softfloat"; then + echo "CONFIG_SOFT_FLOAT=y" >> "$config" + else + echo "# CONFIG_SOFT_FLOAT is not set" >> "$config" + fi + + if test_feature "ipv6"; then + echo "CONFIG_IPV6=y" >> "$config" + else + echo "# CONFIG_IPV6 is not set" >> "$config" + fi + + if test_feature "locale"; then + echo "CONFIG_BUILD_NLS=y" >> "$config" + else + echo "# CONFIG_BUILD_NLS is not set" >> "$config" + fi + + echo "CONFIG_DEVEL=y" >> "$config" + echo "CONFIG_EXTERNAL_TOOLCHAIN=y" >> "$config" + echo "CONFIG_TOOLCHAIN_ROOT=\"$TOOLCHAIN\"" >> "$config" + echo "CONFIG_TOOLCHAIN_PREFIX=\"$prefix\"" >> "$config" + echo "CONFIG_TARGET_NAME=\"$target\"" >> "$config" + + if [ "$LIBC_TYPE" != glibc ]; then + echo "CONFIG_TOOLCHAIN_LIBC=\"$LIBC_TYPE\"" >> "$config" + fi + + local lib + for lib in C RT PTHREAD GCC STDCPP SSP GFORTRAN; do + local file + local spec="" + local llib="$(echo "$lib" | sed -e 's#.*#\L&#')" + for file in $(find_libs "$lib"); do + spec="${spec:+$spec }$(echo "$file" | sed -e "s#^$TOOLCHAIN#.#")" + done + if [ -n "$spec" ]; then + echo "CONFIG_PACKAGE_lib${llib}=y" >> "$config" + echo "CONFIG_LIB${lib}_FILE_SPEC=\"$spec\"" >> "$config" + else + echo "# CONFIG_PACKAGE_lib${llib} is not set" >> "$config" + fi + done + + local bin + for bin in LDD LDCONFIG; do + local file + local spec="" + local lbin="$(echo "$bin" | sed -e 's#.*#\L&#')" + for file in $(find_bins "$bin"); do + spec="${spec:+$spec }$(echo "$file" | sed -e "s#^$TOOLCHAIN#.#")" + done + if [ -n "$spec" ]; then + echo "CONFIG_PACKAGE_${lbin}=y" >> "$config" + echo "CONFIG_${bin}_FILE_SPEC=\"$spec\"" >> "$config" + else + echo "# CONFIG_PACKAGE_${lbin} is not set" >> "$config" + fi + done + + # inflate + make -C "${0%/scripts/*}" defconfig + return 0 +} + + probe_cc() { if [ -z "$CC" ]; then local bin @@ -289,21 +465,6 @@ probe_libc() { while [ -n "$1" ]; do arg="$1"; shift case "$arg" in - -l|--libs) - [ -n "$1" ] || { - echo "No library given, specify one of:"$(echo "$LIB_SPECS" | sed -ne 's#:.*$##p') >&1 - exit 1 - } - FINDLIB="$1"; shift - ;; - -b|--bins) - [ -n "$1" ] || { - echo "No binary given, specify one of:"$(echo "$BIN_SPECS" | sed -ne 's#:.*$##p') >&1 - exit 1 - } - FINDBIN="$1"; shift - ;; - --toolchain) [ -d "$1" ] || { echo "Toolchain directory '$1' does not exist." >&2 @@ -328,9 +489,7 @@ while [ -n "$1" ]; do --print-target) if probe_cc; then - CC="${CC##*/}" - echo "${CC%-*}" - exit 0 + exec "$CC" $CFLAGS -dumpmachine fi echo "No C compiler found in '$TOOLCHAIN'." >&2 exit 1 @@ -369,6 +528,15 @@ while [ -n "$1" ]; do exit $? ;; + --config) + if probe_cc; then + print_config "$1" + exit $? + fi + echo "No C compiler found in '$TOOLCHAIN'." >&2 + exit 1 + ;; + -h|--help) me="$(basename "$0")" echo -e "\nUsage:\n" >&2 @@ -391,6 +559,10 @@ while [ -n "$1" ]; do echo -e " Create wrapper scripts for C and C++ compiler, " >&2 echo -e " linker, assembler and other key executables in " >&2 echo -e " the directory given with --wrap.\n" >&2 + echo -e " $me --toolchain {directory} --config {target}" >&2 + echo -e " Analyze the given toolchain and print a suitable" >&2 + echo -e " .config for the given target. Omit target " >&2 + echo -e " argument to get a list of names.\n" >&2 echo -e " $me --help" >&2 echo -e " Display this help text and exit.\n\n" >&2 echo -e " Most commands also take a --cflags parameter which " >&2 @@ -407,4 +579,4 @@ while [ -n "$1" ]; do esac done -exit 0 +exec $0 --help