diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/ext-toolchain.sh | 140 |
1 files changed, 137 insertions, 3 deletions
diff --git a/scripts/ext-toolchain.sh b/scripts/ext-toolchain.sh index 26dc198a2..a53e5dcea 100755 --- a/scripts/ext-toolchain.sh +++ b/scripts/ext-toolchain.sh @@ -34,7 +34,7 @@ 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++ gcc: libgcc_s ssp: libssp gfortran: libgfortran @@ -142,7 +142,7 @@ 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 @@ -167,7 +167,7 @@ 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)" @@ -237,6 +237,126 @@ 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_NLS=y" >> "$config" + else + echo "# CONFIG_NLS is not set" >> "$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" + + 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 @@ -366,6 +486,15 @@ 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 @@ -388,6 +517,11 @@ 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." >&2 + echo -e " suitable to prime .config with.\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 |