6704410b15
libthread-db is a package that can be configured for external toolchains, so let's have the script probe for it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
584 lines
14 KiB
Bash
Executable File
584 lines
14 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
#
|
|
# Script for various external toolchain tasks, refer to
|
|
# the --help output for more information.
|
|
#
|
|
# Copyright (C) 2012 Jo-Philipp Wich <jo@mein.io>
|
|
#
|
|
# 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=""
|
|
CPP=""
|
|
|
|
CFLAGS=""
|
|
TOOLCHAIN="."
|
|
|
|
LIBC_TYPE=""
|
|
|
|
|
|
# Library specs
|
|
LIB_SPECS="
|
|
c: ld-* lib{anl,c,cidn,crypt,dl,m,nsl,nss_dns,nss_files,resolv,util}
|
|
rt: librt-* librt
|
|
pthread: libpthread-* libpthread
|
|
stdcpp: libstdc++
|
|
thread_db: libthread-db
|
|
gcc: libgcc_s
|
|
ssp: libssp
|
|
gfortran: libgfortran
|
|
gomp: libgomp
|
|
"
|
|
|
|
# Binary specs
|
|
BIN_SPECS="
|
|
ldd: ldd
|
|
ldconfig: ldconfig
|
|
gdb: gdb
|
|
gdbserver: gdbserver
|
|
"
|
|
|
|
|
|
test_c() {
|
|
cat <<-EOT | "${CC:-false}" $CFLAGS -o /dev/null -x c - 2>/dev/null
|
|
#include <stdio.h>
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
printf("Hello, world!\n");
|
|
return 0;
|
|
}
|
|
EOT
|
|
}
|
|
|
|
test_cxx() {
|
|
cat <<-EOT | "${CXX:-false}" $CFLAGS -o /dev/null -x c++ - 2>/dev/null
|
|
#include <iostream>
|
|
|
|
using namespace std;
|
|
|
|
int main()
|
|
{
|
|
cout << "Hello, world!" << endl;
|
|
return 0;
|
|
}
|
|
EOT
|
|
}
|
|
|
|
test_softfloat() {
|
|
cat <<-EOT | "$CC" $CFLAGS -msoft-float -o /dev/null -x c - 2>/dev/null
|
|
int main(int argc, char **argv)
|
|
{
|
|
double a = 0.1;
|
|
double b = 0.2;
|
|
double c = (a + b) / (a * b);
|
|
return 1;
|
|
}
|
|
EOT
|
|
}
|
|
|
|
test_uclibc() {
|
|
local sysroot="$("$CC" $CFLAGS -print-sysroot 2>/dev/null)"
|
|
if [ -d "${sysroot:-$TOOLCHAIN}" ]; then
|
|
local lib
|
|
for lib in "${sysroot:-$TOOLCHAIN}"/{lib,usr/lib,usr/local/lib}/ld*-uClibc*.so*; do
|
|
if [ -f "$lib" ] && [ ! -h "$lib" ]; then
|
|
return 0
|
|
fi
|
|
done
|
|
fi
|
|
return 1
|
|
}
|
|
|
|
test_feature() {
|
|
local feature="$1"; shift
|
|
|
|
# find compilers, libc type
|
|
probe_cc
|
|
probe_cxx
|
|
probe_libc
|
|
|
|
# common toolchain feature tests
|
|
case "$feature" in
|
|
c) test_c; return $? ;;
|
|
c++) test_cxx; return $? ;;
|
|
soft*) test_softfloat; return $? ;;
|
|
esac
|
|
|
|
# assume eglibc/glibc supports all libc features
|
|
if [ "$LIBC_TYPE" != "uclibc" ]; then
|
|
return 0
|
|
fi
|
|
|
|
# uclibc feature tests
|
|
local inc
|
|
local sysroot="$("$CC" "$@" -muclibc -print-sysroot 2>/dev/null)"
|
|
for inc in "include" "usr/include" "usr/local/include"; do
|
|
local conf="${sysroot:-$TOOLCHAIN}/$inc/bits/uClibc_config.h"
|
|
if [ -f "$conf" ]; then
|
|
case "$feature" in
|
|
lfs) grep -q '__UCLIBC_HAS_LFS__ 1' "$conf"; return $?;;
|
|
ipv6) grep -q '__UCLIBC_HAS_IPV6__ 1' "$conf"; return $?;;
|
|
rpc) grep -q '__UCLIBC_HAS_RPC__ 1' "$conf"; return $?;;
|
|
locale) grep -q '__UCLIBC_HAS_LOCALE__ 1' "$conf"; return $?;;
|
|
wchar) grep -q '__UCLIBC_HAS_WCHAR__ 1' "$conf"; return $?;;
|
|
threads) grep -q '__UCLIBC_HAS_THREADS__ 1' "$conf"; return $?;;
|
|
esac
|
|
fi
|
|
done
|
|
|
|
return 1
|
|
}
|
|
|
|
|
|
find_libs() {
|
|
local spec="$(echo "$LIB_SPECS" | sed -ne "s#^[[:space:]]*$1:##ip")"
|
|
|
|
if [ -n "$spec" ] && probe_cpp; then
|
|
local libdir libdirs
|
|
for libdir in $(
|
|
"$CPP" $CFLAGS -v -x c /dev/null 2>&1 | \
|
|
sed -ne 's#:# #g; s#^LIBRARY_PATH=##p'
|
|
); do
|
|
if [ -d "$libdir" ]; then
|
|
libdirs="$libdirs $(cd "$libdir"; pwd)/"
|
|
fi
|
|
done
|
|
|
|
local pattern
|
|
for pattern in $(eval echo $spec); do
|
|
find $libdirs -name "$pattern.so*" | sort -u
|
|
done
|
|
|
|
return 0
|
|
fi
|
|
|
|
return 1
|
|
}
|
|
|
|
find_bins() {
|
|
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:-$TOOLCHAIN}/bin";
|
|
echo "${sysroot:-$TOOLCHAIN}/usr/bin";
|
|
echo "${sysroot:-$TOOLCHAIN}/usr/local/bin";
|
|
"$CPP" $CFLAGS -v -x c /dev/null 2>&1 | \
|
|
sed -ne 's#:# #g; s#^COMPILER_PATH=##p'
|
|
); do
|
|
if [ -d "$bindir" ]; then
|
|
bindirs="$bindirs $(cd "$bindir"; pwd)/"
|
|
fi
|
|
done
|
|
|
|
local pattern
|
|
for pattern in $(eval echo $spec); do
|
|
find $bindirs -name "$pattern" | sort -u
|
|
done
|
|
|
|
return 0
|
|
fi
|
|
|
|
return 1
|
|
}
|
|
|
|
|
|
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 "$1" || return 1
|
|
|
|
local cmd
|
|
for cmd in "${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
|
|
|
|
case "${cmd##*/}" in
|
|
*-*cc|*-*cc-*|*-*++|*-*++-*|*-cpp)
|
|
wrap_bin_cc "$out" "$bin"
|
|
;;
|
|
*-ld)
|
|
wrap_bin_ld "$out" "$bin"
|
|
;;
|
|
*)
|
|
wrap_bin_other "$out" "$bin"
|
|
;;
|
|
esac
|
|
fi
|
|
done
|
|
|
|
return 0
|
|
fi
|
|
|
|
return 1
|
|
}
|
|
|
|
|
|
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\"" >> "$config"
|
|
fi
|
|
|
|
local lib
|
|
for lib in C RT PTHREAD GCC STDCPP SSP GFORTRAN GOMP; do
|
|
local file
|
|
local spec=""
|
|
local llib="$(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 "$CC" ]; then
|
|
local bin
|
|
for bin in "bin" "usr/bin" "usr/local/bin"; do
|
|
local cmd
|
|
for cmd in "$TOOLCHAIN/$bin/"*-*cc*; do
|
|
if [ -x "$cmd" ] && [ ! -h "$cmd" ]; then
|
|
CC="$(cd "${cmd%/*}"; pwd)/${cmd##*/}"
|
|
return 0
|
|
fi
|
|
done
|
|
done
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
probe_cxx() {
|
|
if [ -z "$CXX" ]; then
|
|
local bin
|
|
for bin in "bin" "usr/bin" "usr/local/bin"; do
|
|
local cmd
|
|
for cmd in "$TOOLCHAIN/$bin/"*-*++*; do
|
|
if [ -x "$cmd" ] && [ ! -h "$cmd" ]; then
|
|
CXX="$(cd "${cmd%/*}"; pwd)/${cmd##*/}"
|
|
return 0
|
|
fi
|
|
done
|
|
done
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
probe_cpp() {
|
|
if [ -z "$CPP" ]; then
|
|
local bin
|
|
for bin in "bin" "usr/bin" "usr/local/bin"; do
|
|
local cmd
|
|
for cmd in "$TOOLCHAIN/$bin/"*-cpp*; do
|
|
if [ -x "$cmd" ] && [ ! -h "$cmd" ]; then
|
|
CPP="$(cd "${cmd%/*}"; pwd)/${cmd##*/}"
|
|
return 0
|
|
fi
|
|
done
|
|
done
|
|
return 1
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
probe_libc() {
|
|
if [ -z "$LIBC_TYPE" ]; then
|
|
if test_uclibc; then
|
|
LIBC_TYPE="uclibc"
|
|
else
|
|
LIBC_TYPE="glibc"
|
|
fi
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
|
|
while [ -n "$1" ]; do
|
|
arg="$1"; shift
|
|
case "$arg" in
|
|
--toolchain)
|
|
[ -d "$1" ] || {
|
|
echo "Toolchain directory '$1' does not exist." >&2
|
|
exit 1
|
|
}
|
|
TOOLCHAIN="$(cd "$1"; pwd)"; shift
|
|
;;
|
|
|
|
--cflags)
|
|
CFLAGS="${CFLAGS:+$CFLAGS }$1"; shift
|
|
;;
|
|
|
|
--print-libc)
|
|
if probe_cc; then
|
|
probe_libc
|
|
echo "$LIBC_TYPE"
|
|
exit 0
|
|
fi
|
|
echo "No C compiler found in '$TOOLCHAIN'." >&2
|
|
exit 1
|
|
;;
|
|
|
|
--print-target)
|
|
if probe_cc; then
|
|
exec "$CC" $CFLAGS -dumpmachine
|
|
fi
|
|
echo "No C compiler found in '$TOOLCHAIN'." >&2
|
|
exit 1
|
|
;;
|
|
|
|
--print-bin)
|
|
if [ -z "$1" ]; then
|
|
echo "Available programs:" >&2
|
|
echo $(echo "$BIN_SPECS" | sed -ne 's#:.*$##p') >&2
|
|
exit 1
|
|
fi
|
|
|
|
find_bins "$1" || exec "$0" --toolchain "$TOOLCHAIN" --print-bin
|
|
exit 0
|
|
;;
|
|
|
|
--print-libs)
|
|
if [ -z "$1" ]; then
|
|
echo "Available libraries:" >&2
|
|
echo $(echo "$LIB_SPECS" | sed -ne 's#:.*$##p') >&2
|
|
exit 1
|
|
fi
|
|
|
|
find_libs "$1" || exec "$0" --toolchain "$TOOLCHAIN" --print-libs
|
|
exit 0
|
|
;;
|
|
|
|
--test)
|
|
test_feature "$1"
|
|
exit $?
|
|
;;
|
|
|
|
--wrap)
|
|
[ -n "$1" ] || exec "$0" --help
|
|
wrap_bins "$1"
|
|
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
|
|
echo -e " $me --toolchain {directory} --print-libc" >&2
|
|
echo -e " Print the libc implementation and exit.\n" >&2
|
|
echo -e " $me --toolchain {directory} --print-target" >&2
|
|
echo -e " Print the GNU target name and exit.\n" >&2
|
|
echo -e " $me --toolchain {directory} --print-bin {program}" >&2
|
|
echo -e " Print executables belonging to given program," >&2
|
|
echo -e " omit program argument to get a list of names.\n" >&2
|
|
echo -e " $me --toolchain {directory} --print-libs {library}" >&2
|
|
echo -e " Print shared objects belonging to given library," >&2
|
|
echo -e " omit library argument to get a list of names.\n" >&2
|
|
echo -e " $me --toolchain {directory} --test {feature}" >&2
|
|
echo -e " Test given feature, exit code indicates success." >&2
|
|
echo -e " Possible features are 'c', 'c++', 'softfloat'," >&2
|
|
echo -e " 'lfs', 'rpc', 'ipv6', 'wchar', 'locale' and " >&2
|
|
echo -e " 'threads'.\n" >&2
|
|
echo -e " $me --toolchain {directory} --wrap {directory}" >&2
|
|
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 " $me --help" >&2
|
|
echo -e " Display this help text and exit.\n\n" >&2
|
|
echo -e " Most commands also take a --cflags parameter which " >&2
|
|
echo -e " is used to specify C flags to be passed to the " >&2
|
|
echo -e " cross compiler when performing tests." >&2
|
|
echo -e " This paremter may be repeated multiple times." >&2
|
|
exit 1
|
|
;;
|
|
|
|
*)
|
|
echo "Unknown argument '$arg'" >&2
|
|
exec $0 --help
|
|
;;
|
|
esac
|
|
done
|
|
|
|
exec $0 --help
|