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Tidy up a bit the uClibc config munging.

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This commit is contained in:
Yann E. MORIN" 2007-07-28 11:59:37 +00:00
parent d4886dbe64
commit 96ef489cb4
1 changed files with 18 additions and 16 deletions
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34
scripts/build/libc_uClibc.sh
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@ -38,15 +38,13 @@ do_libc_check_config() {
CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}"
cp "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_SRC_DIR}/uClibc.config"
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_SRC_DIR}/uClibc.config"
mungeuClibcConfig "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_BUILD_DIR}/uClibc.config"
CT_EndStep
}
@ -67,7 +65,7 @@ do_libc_headers() {
{ cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
# Retrieve the config file
cp "${CT_SRC_DIR}/uClibc.config" .config
cp "${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
@ -102,7 +100,7 @@ do_libc() {
{ cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
# Retrieve the config file
cp "${CT_SRC_DIR}/uClibc.config" .config
cp "${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
@ -147,14 +145,19 @@ do_libc_finish() {
}
# Initialises the .config file to sensible values
# $1: original file
# $2: munged file
mungeuClibcConfig() {
config_file="$1"
src_config_file="$1"
dst_config_file="$2"
munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
echo -n >"${munge_file}"
# Hack our target in the config file.
# Also remove stripping: its the responsibility of the
# firmware builder to strip or not.
cat > "${munge_file}" <<-ENDSED
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="${CT_KERNEL_ARCH}"/
@ -164,14 +167,14 @@ ENDSED
# Accomodate for old and new uClibc versions, where the
# way to select between big/little endian has changed
case "${CT_ARCH_BE},${CT_ARCH_LE}" in
y,) cat >> "${munge_file}" <<-ENDSED
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
,y) cat >>"${munge_file}" <<-ENDSED
s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
@ -183,12 +186,12 @@ ENDSED
# Accomodate for old and new uClibc version, where the
# way to select between hard/soft float has changed
case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
y,) cat >> "${munge_file}" <<-ENDSED
y,) cat >>"${munge_file}" <<-ENDSED
s/.*(HAS_FPU).*/\\1=y/
s/.*(UCLIBC_HAS_FPU).*/\\1=y/
ENDSED
;;
,y) cat >> "${munge_file}" <<-ENDSED
,y) cat >>"${munge_file}" <<-ENDSED
s/.*(HAS_FPU).*/\\# \\1 is not set/
s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
ENDSED
@ -205,7 +208,7 @@ ENDSED
# 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 >> "${munge_file}" <<-ENDSED
cat >>"${munge_file}" <<-ENDSED
s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
@ -217,7 +220,7 @@ 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
cat >>"${munge_file}" <<-ENDSED
s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
ENDSED
else
@ -237,7 +240,7 @@ ENDSED
# 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
cat >>"${munge_file}" <<-ENDSED
s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
# Add these three lines when doing C++?
@ -283,6 +286,5 @@ s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
ENDSED
;;
esac
sed -r -i -f "${munge_file}" "${config_file}"
rm -f "${munge_file}"
sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"
}