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|
#!/bin/sh
# If not specified in environment...
if ! test "$LIBC"; then
# Select which libc to build against
LIBC="glibc"
LIBC="uclibc"
fi
# x86 32-bit:
#CROSS_COMPILER_PREFIX="i486-linux-uclibc-"
# My system has strange prefix for x86 64-bit uclibc:
#CROSS_COMPILER_PREFIX="x86_64-pc-linux-gnu-"
if test $# -lt 2 || ! test -d "$1" || test -e "$2"; then
echo "Usage: $0 SRC_DIR TMP_DIR"
echo
echo "SRC_DIR will be copied to TMP_DIR directory."
echo "Then a random build will be performed."
echo
echo "Useful variables:"
echo "\$LIBC, \$CROSS_COMPILER_PREFIX, \$MAKEOPTS"
exit 1
fi
cp -dpr -- "$1" "$2" || { echo "copy error"; exit 1; }
cd -- "$2" || { echo "cd $dir error"; exit 1; }
# Generate random config
make randconfig >/dev/null || { echo "randconfig error"; exit 1; }
# Tweak resulting config
cat .config \
| grep -v CONFIG_DEBUG_PESSIMIZE \
| grep -v CONFIG_WERROR \
| grep -v CONFIG_CROSS_COMPILER_PREFIX \
| grep -v CONFIG_SELINUX \
| grep -v CONFIG_EFENCE \
| grep -v CONFIG_DMALLOC \
\
| grep -v CONFIG_RFKILL \
>.config.new
mv .config.new .config
echo '# CONFIG_DEBUG_PESSIMIZE is not set' >>.config
echo '# CONFIG_WERROR is not set' >>.config
echo "CONFIG_CROSS_COMPILER_PREFIX=\"${CROSS_COMPILER_PREFIX}\"" >>.config
echo '# CONFIG_SELINUX is not set' >>.config
echo '# CONFIG_EFENCE is not set' >>.config
echo '# CONFIG_DMALLOC is not set' >>.config
echo '# CONFIG_RFKILL is not set' >>.config
# If glibc, don't build static
if test x"$LIBC" = x"glibc"; then
cat .config \
| grep -v CONFIG_STATIC \
\
| grep -v CONFIG_FEATURE_2_4_MODULES \
| grep -v CONFIG_FEATURE_USE_BSS_TAIL \
| grep -v CONFIG_DEBUG_SANITIZE \
>.config.new
mv .config.new .config
echo '# CONFIG_STATIC is not set' >>.config
# newer glibc (at least 2.23) no longer supply query_module() ABI.
# People who target 2.4 kernels would likely use older glibc (and older bbox).
echo '# CONFIG_FEATURE_2_4_MODULES is not set' >>.config
echo '# CONFIG_FEATURE_USE_BSS_TAIL is not set' >>.config
echo '# CONFIG_DEBUG_SANITIZE is not set' >>.config
fi
# If uclibc, build static, and remove some things
# likely to not work on uclibc.
if test x"$LIBC" = x"uclibc"; then
cat .config \
| grep -v CONFIG_STATIC \
| grep -v CONFIG_BUILD_LIBBUSYBOX \
| grep -v CONFIG_PIE \
\
| grep -v CONFIG_FEATURE_2_4_MODULES \
| grep -v CONFIG_FEATURE_SYNC_FANCY \
| grep -v CONFIG_FEATURE_TOUCH_NODEREF \
| grep -v CONFIG_NANDWRITE \
| grep -v CONFIG_NANDDUMP \
| grep -v CONFIG_BLKDISCARD \
| grep -v CONFIG_NSENTER \
| grep -v CONFIG_UNSHARE \
>.config.new
mv .config.new .config
echo 'CONFIG_STATIC=y' >>.config
echo '# CONFIG_BUILD_LIBBUSYBOX is not set' >>.config
echo '# CONFIG_PIE is not set' >>.config
echo '# CONFIG_FEATURE_2_4_MODULES is not set' >>.config
echo '# CONFIG_FEATURE_SYNC_FANCY is not set' >>.config
echo '# CONFIG_FEATURE_TOUCH_NODEREF is not set' >>.config
# My uclibc installation does not support some needed APIs...
echo '# CONFIG_NANDWRITE is not set' >>.config
echo '# CONFIG_NANDDUMP is not set' >>.config
echo '# CONFIG_BLKDISCARD is not set' >>.config
echo '# CONFIG_NSENTER is not set' >>.config
echo '# CONFIG_UNSHARE is not set' >>.config
fi
# If STATIC, remove some things.
# PAM with static linking is probably pointless
# (but I need to try - now I don't have libpam.a on my system, only libpam.so)
if grep -q "^CONFIG_STATIC=y" .config; then
cat .config \
| grep -v CONFIG_PAM \
>.config.new
mv .config.new .config
echo '# CONFIG_PAM is not set' >>.config
fi
# Regenerate .config with default answers for yanked-off options
# (most of default answers are "no").
{ yes "" | make oldconfig >/dev/null; } || { echo "oldconfig error"; exit 1; }
# Build!
nice -n 10 make $MAKEOPTS 2>&1 | tee make.log
# Return exitcode 1 if busybox executable does not exist
test -x busybox
|
