mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-28 08:38:53 +00:00
00084df12b
/trunk/scripts/build/libc_uClibc.sh | 19 11 8 0 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-)
314 lines
12 KiB
Bash
314 lines
12 KiB
Bash
# This file declares functions to install the uClibc C library
|
|
# Copyright 2007 Yann E. MORIN
|
|
# Licensed under the GPL v2. See COPYING in the root of this package
|
|
|
|
do_print_filename() {
|
|
[ "${CT_LIBC}" = "uClibc" ] || return 0
|
|
echo "uClibc-${CT_LIBC_VERSION}"
|
|
[ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && echo "uClibc-locale-030818" || true
|
|
}
|
|
|
|
# Download uClibc
|
|
do_libc_get() {
|
|
libc_src="http://www.uclibc.org/downloads
|
|
http://www.uclibc.org/downloads/snapshots
|
|
http://www.uclibc.org/downloads/old-releases"
|
|
# For uClibc, we have almost every thing: releases, and snapshots
|
|
# for the last month or so. We'll have to deal with svn revisions
|
|
# later...
|
|
CT_GetFile "${CT_LIBC_FILE}" ${libc_src}
|
|
# uClibc locales
|
|
[ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_GetFile "uClibc-locale-030818" ${libc_src} || true
|
|
|
|
return 0
|
|
}
|
|
|
|
# Extract uClibc
|
|
do_libc_extract() {
|
|
CT_ExtractAndPatch "${CT_LIBC_FILE}"
|
|
# uClibc locales
|
|
[ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_ExtractAndPatch "uClibc-locale-030818" || true
|
|
|
|
return 0
|
|
}
|
|
|
|
# Check that uClibc has been previously configured
|
|
do_libc_check_config() {
|
|
CT_DoStep INFO "Checking C library configuration"
|
|
|
|
CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}"
|
|
|
|
if egrep '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then
|
|
CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad."
|
|
CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade."
|
|
fi
|
|
|
|
CT_DoLog EXTRA "Munging uClibc configuration"
|
|
mungeuClibcConfig "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_BUILD_DIR}/uClibc.config"
|
|
|
|
CT_EndStep
|
|
}
|
|
|
|
# This functions installs uClibc's headers
|
|
do_libc_headers() {
|
|
# Only need to install bootstrap uClibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
|
|
# See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
|
|
grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_FILE}/ChangeLog" 2>/dev/null || return 0
|
|
|
|
CT_DoStep INFO "Installing C library headers"
|
|
|
|
mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
|
|
cd "${CT_BUILD_DIR}/build-libc-headers"
|
|
|
|
# Simply copy files until uClibc has the ablity to build out-of-tree
|
|
CT_DoLog EXTRA "Copying sources to build dir"
|
|
{ cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
|
|
|
|
# Retrieve the config file
|
|
cp "${CT_BUILD_DIR}/uClibc.config" .config
|
|
|
|
# uClibc uses the CROSS environment variable as a prefix to the
|
|
# compiler tools to use. Setting it to the empty string forces
|
|
# use of the native build host tools, which we need at this
|
|
# stage, as we don't have target tools yet.
|
|
CT_DoLog EXTRA "Applying configuration"
|
|
CT_DoYes "" |CT_DoExecLog ALL make CROSS= PREFIX="${CT_SYSROOT_DIR}/" oldconfig
|
|
|
|
CT_DoLog EXTRA "Building headers"
|
|
CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" headers
|
|
|
|
CT_DoLog EXTRA "Installing headers"
|
|
CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" install_dev
|
|
|
|
CT_EndStep
|
|
}
|
|
|
|
# Build and install start files
|
|
do_libc_start_files() {
|
|
:
|
|
}
|
|
|
|
# This function build and install the full uClibc
|
|
do_libc() {
|
|
CT_DoStep INFO "Installing C library"
|
|
|
|
mkdir -p "${CT_BUILD_DIR}/build-libc"
|
|
cd "${CT_BUILD_DIR}/build-libc"
|
|
|
|
# Simply copy files until uClibc has the ablity to build out-of-tree
|
|
CT_DoLog EXTRA "Copying sources to build dir"
|
|
{ cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
|
|
|
|
# Retrieve the config file
|
|
cp "${CT_BUILD_DIR}/uClibc.config" .config
|
|
|
|
# uClibc uses the CROSS environment variable as a prefix to the compiler
|
|
# tools to use. The newly built tools should be in our path, so we need
|
|
# only give the correct name for them.
|
|
# Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
|
|
# depending on the configuration of the library. That is, they are tailored
|
|
# to best fit the target. So it is useless and seems to be a bad thing to
|
|
# use LIBC_EXTRA_CFLAGS here.
|
|
CT_DoLog EXTRA "Applying configuration"
|
|
CT_DoYes "" |CT_DoExecLog ALL \
|
|
make CROSS=${CT_TARGET}- \
|
|
PREFIX="${CT_SYSROOT_DIR}/" \
|
|
oldconfig
|
|
|
|
# We do _not_ want to strip anything for now, in case we specifically
|
|
# asked for a debug toolchain, thus the STRIPTOOL= assignment
|
|
CT_DoLog EXTRA "Building C library"
|
|
CT_DoExecLog ALL \
|
|
make CROSS=${CT_TARGET}- \
|
|
PREFIX="${CT_SYSROOT_DIR}/" \
|
|
STRIPTOOL=true \
|
|
${CT_LIBC_UCLIBC_VERBOSITY} \
|
|
all
|
|
|
|
# YEM-FIXME: we want to install libraries in $SYSROOT/lib, but we don't want
|
|
# to install headers in $SYSROOT/include, thus making only install_runtime.
|
|
# Plus, the headers were previously installed earlier with install_dev, so
|
|
# all should be well. Unfortunately, the install_dev target does not install
|
|
# crti.o and consorts... :-( So reverting to target 'install'.
|
|
# Note: PARALLELMFLAGS is not usefull for installation.
|
|
# We do _not_ want to strip anything for now, in case we specifically
|
|
# asked for a debug toolchain, thus the STRIPTOOL= assignment
|
|
CT_DoLog EXTRA "Installing C library"
|
|
CT_DoExecLog ALL \
|
|
make CROSS=${CT_TARGET}- \
|
|
PREFIX="${CT_SYSROOT_DIR}/" \
|
|
STRIPTOOL=true \
|
|
${CT_LIBC_UCLIBC_VERBOSITY} \
|
|
install
|
|
|
|
CT_EndStep
|
|
}
|
|
|
|
# This function is used to install those components needing the final C compiler
|
|
do_libc_finish() {
|
|
:
|
|
}
|
|
|
|
# Initialises the .config file to sensible values
|
|
# $1: original file
|
|
# $2: munged file
|
|
mungeuClibcConfig() {
|
|
src_config_file="$1"
|
|
dst_config_file="$2"
|
|
munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
|
|
|
|
# Start with a fresh file
|
|
rm -f "${munge_file}"
|
|
touch "${munge_file}"
|
|
|
|
# Hack our target in the config file.
|
|
# Also remove stripping: its the responsibility of the
|
|
# firmware builder to strip or not.
|
|
cat >>"${munge_file}" <<-ENDSED
|
|
s/^(TARGET_.*)=y$/# \\1 is not set/
|
|
s/^# TARGET_${CT_KERNEL_ARCH} is not set/TARGET_${CT_KERNEL_ARCH}=y/
|
|
s/^TARGET_ARCH=".*"/TARGET_ARCH="${CT_KERNEL_ARCH}"/
|
|
s/.*(DOSTRIP).*/# \\1 is not set/
|
|
ENDSED
|
|
|
|
# Ah. We may one day need architecture-specific handler here...
|
|
# Hack the ARM {E,O}ABI into the config file
|
|
if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then
|
|
cat >>"${munge_file}" <<-ENDSED
|
|
s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/
|
|
s/.*(CONFIG_ARM_EABI).*/\\1=y/
|
|
ENDSED
|
|
else
|
|
cat >>"${munge_file}" <<-ENDSED
|
|
s/.*(CONFIG_ARM_OABI).*/\\1=y/
|
|
s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/
|
|
ENDSED
|
|
fi
|
|
|
|
# Accomodate for old and new uClibc versions, where the
|
|
# way to select between big/little endian has changed
|
|
case "${CT_ARCH_BE},${CT_ARCH_LE}" in
|
|
y,) cat >>"${munge_file}" <<-ENDSED
|
|
s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
|
|
s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
|
|
s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
|
|
s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
|
|
ENDSED
|
|
;;
|
|
,y) cat >>"${munge_file}" <<-ENDSED
|
|
s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
|
|
s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
|
|
s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
|
|
s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
|
|
ENDSED
|
|
;;
|
|
esac
|
|
|
|
# Accomodate for old and new uClibc version, where the
|
|
# way to select between hard/soft float has changed
|
|
case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
|
|
y,) cat >>"${munge_file}" <<-ENDSED
|
|
s/^[^_]*(HAS_FPU).*/\\1=y/
|
|
s/.*(UCLIBC_HAS_FPU).*/\\1=y/
|
|
ENDSED
|
|
;;
|
|
,y) cat >>"${munge_file}" <<-ENDSED
|
|
s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/
|
|
s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
|
|
ENDSED
|
|
;;
|
|
esac
|
|
|
|
# Change paths to work with crosstool-NG
|
|
# From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
|
|
# " we just want the kernel headers, not the whole kernel source ...
|
|
# " so people may need to update their paths slightly
|
|
quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;')
|
|
quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;')
|
|
# CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
|
|
# DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
|
|
# Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
|
|
# newer versions use KERNEL_HEADERS (which is right). See:
|
|
cat >>"${munge_file}" <<-ENDSED
|
|
s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
|
|
s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
|
|
s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
|
|
s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
|
|
s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
|
|
s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
|
|
ENDSED
|
|
|
|
if [ "${CT_USE_PIPES}" = "y" ]; then
|
|
if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
|
|
# Good, there is special provision for such things as -pipe!
|
|
cat >>"${munge_file}" <<-ENDSED
|
|
s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
|
|
ENDSED
|
|
else
|
|
# Hack our -pipe into WARNINGS, which will be internally incorporated to
|
|
# CFLAGS. This a dirty hack, but yet needed
|
|
cat >> "${munge_file}" <<-ENDSED
|
|
s/^(WARNINGS=".*)"$/\\1 -pipe"/
|
|
ENDSED
|
|
fi
|
|
fi
|
|
|
|
# Force on options needed for C++ if we'll be making a C++ compiler.
|
|
# Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
|
|
# entirely if LOCALE is not set. If LOCALE was already set, we'll
|
|
# assume the user has already made all the appropriate generation
|
|
# arrangements. Note that having the uClibc Makefile download the
|
|
# pregenerated locales is not compatible with crosstool; besides,
|
|
# crosstool downloads them as part of getandpatch.sh.
|
|
if [ "${CT_CC_LANG_CXX}" = "y" ]; then
|
|
cat >>"${munge_file}" <<-ENDSED
|
|
s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
|
|
s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
|
|
# Add these three lines when doing C++?
|
|
s/^# UCLIBC_HAS_WCHAR is not set/UCLIBC_HAS_WCHAR=y/
|
|
#s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\nUCLIBC_PREGENERATED_LOCALE_DATA=y\\n\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\n\\# UCLIBC_HAS_XLOCALE is not set/
|
|
s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
|
|
ENDSED
|
|
fi
|
|
|
|
# Always build the libpthread_db
|
|
cat >>"${munge_file}" <<-ENDSED
|
|
s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
|
|
ENDSED
|
|
|
|
# Force on debug options if asked for
|
|
case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
|
|
0)
|
|
cat >>"${munge_file}" <<-ENDSED
|
|
s/^DODEBUG=y/# DODEBUG is not set/
|
|
s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
|
|
s/^DOASSERTS=y/# DOASSERTS is not set/
|
|
s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
|
|
s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
|
|
s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
|
|
ENDSED
|
|
;;
|
|
1)
|
|
cat >>"${munge_file}" <<-ENDSED
|
|
s/^# DODEBUG is not set.*/DODEBUG=y/
|
|
s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
|
|
s/^DOASSERTS=y/# DOASSERTS is not set/
|
|
s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
|
|
s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
|
|
s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
|
|
ENDSED
|
|
;;
|
|
2)
|
|
cat >>"${munge_file}" <<-ENDSED
|
|
s/^# DODEBUG is not set.*/DODEBUG=y/
|
|
s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
|
|
s/^# DOASSERTS is not set.*/DOASSERTS=y/
|
|
s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
|
|
s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
|
|
s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
|
|
ENDSED
|
|
;;
|
|
esac
|
|
sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"
|
|
}
|