134 lines
4.3 KiB
Bash
Executable File
134 lines
4.3 KiB
Bash
Executable File
#!/bin/sh
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# If not specified in environment...
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if ! test "$LIBC"; then
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# Select which libc to build against
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LIBC="glibc"
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LIBC="uclibc"
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fi
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# x86 32-bit:
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#CROSS_COMPILER_PREFIX="i486-linux-uclibc-"
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# My system has strange prefix for x86 64-bit uclibc:
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#CROSS_COMPILER_PREFIX="x86_64-pc-linux-gnu-"
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if test $# -lt 2 || ! test -d "$1" || test -e "$2"; then
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echo "Usage: $0 SRC_DIR TMP_DIR"
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echo
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echo "SRC_DIR will be copied to TMP_DIR directory."
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echo "Then a random build will be performed."
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echo
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echo "Useful variables:"
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echo "\$LIBC, \$CROSS_COMPILER_PREFIX, \$MAKEOPTS"
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exit 1
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fi
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cp -dpr -- "$1" "$2" || { echo "copy error"; exit 1; }
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cd -- "$2" || { echo "cd $dir error"; exit 1; }
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# Generate random config
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make randconfig >/dev/null || { echo "randconfig error"; exit 1; }
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# Tweak resulting config
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cat .config \
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| grep -v CONFIG_DEBUG_PESSIMIZE \
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| grep -v CONFIG_WERROR \
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| grep -v CONFIG_CROSS_COMPILER_PREFIX \
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| grep -v CONFIG_SELINUX \
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| grep -v CONFIG_EFENCE \
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| grep -v CONFIG_DMALLOC \
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\
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| grep -v CONFIG_RFKILL \
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>.config.new
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mv .config.new .config
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echo '# CONFIG_DEBUG_PESSIMIZE is not set' >>.config
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echo '# CONFIG_WERROR is not set' >>.config
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echo "CONFIG_CROSS_COMPILER_PREFIX=\"${CROSS_COMPILER_PREFIX}\"" >>.config
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echo '# CONFIG_SELINUX is not set' >>.config
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echo '# CONFIG_EFENCE is not set' >>.config
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echo '# CONFIG_DMALLOC is not set' >>.config
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echo '# CONFIG_RFKILL is not set' >>.config
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# If glibc, don't build static
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if test x"$LIBC" = x"glibc"; then
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cat .config \
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| grep -v CONFIG_STATIC \
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| grep -v CONFIG_FEATURE_LIBBUSYBOX_STATIC \
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\
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| grep -v CONFIG_FEATURE_2_4_MODULES \
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| grep -v CONFIG_FEATURE_USE_BSS_TAIL \
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| grep -v CONFIG_DEBUG_SANITIZE \
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| grep -v CONFIG_FEATURE_MOUNT_NFS \
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>.config.new
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mv .config.new .config
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echo '# CONFIG_STATIC is not set' >>.config
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echo '# CONFIG_FEATURE_LIBBUSYBOX_STATIC is not set' >>.config
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# newer glibc (at least 2.23) no longer supply query_module() ABI.
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# People who target 2.4 kernels would likely use older glibc (and older bbox).
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echo '# CONFIG_FEATURE_2_4_MODULES is not set' >>.config
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echo '# CONFIG_FEATURE_USE_BSS_TAIL is not set' >>.config
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echo '# CONFIG_DEBUG_SANITIZE is not set' >>.config
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# 2018: current glibc versions no longer include rpc/rpc.h
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echo '# CONFIG_FEATURE_MOUNT_NFS is not set' >>.config
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fi
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# If uclibc, build static, and remove some things
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# likely to not work on uclibc.
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if test x"$LIBC" = x"uclibc"; then
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cat .config \
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| grep -v CONFIG_STATIC \
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| grep -v CONFIG_BUILD_LIBBUSYBOX \
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| grep -v CONFIG_PIE \
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\
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| grep -v CONFIG_FEATURE_2_4_MODULES \
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| grep -v CONFIG_FEATURE_SYNC_FANCY \
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| grep -v CONFIG_FEATURE_TOUCH_NODEREF \
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| grep -v CONFIG_NANDWRITE \
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| grep -v CONFIG_NANDDUMP \
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| grep -v CONFIG_BLKDISCARD \
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| grep -v CONFIG_NSENTER \
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| grep -v CONFIG_UNSHARE \
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| grep -v CONFIG_FALLOCATE \
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| grep -v CONFIG_UDHCPC6 \
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| grep -v CONFIG_ASH_INTERNAL_GLOB \
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>.config.new
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mv .config.new .config
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echo 'CONFIG_STATIC=y' >>.config
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echo '# CONFIG_BUILD_LIBBUSYBOX is not set' >>.config
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echo '# CONFIG_PIE is not set' >>.config
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echo '# CONFIG_FEATURE_2_4_MODULES is not set' >>.config
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echo '# CONFIG_FEATURE_SYNC_FANCY is not set' >>.config
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echo '# CONFIG_FEATURE_TOUCH_NODEREF is not set' >>.config
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# My uclibc installation does not support some needed APIs...
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echo '# CONFIG_NANDWRITE is not set' >>.config
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echo '# CONFIG_NANDDUMP is not set' >>.config
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echo '# CONFIG_BLKDISCARD is not set' >>.config
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echo '# CONFIG_NSENTER is not set' >>.config
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echo '# CONFIG_UNSHARE is not set' >>.config
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echo '# CONFIG_FALLOCATE is not set' >>.config
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echo '# CONFIG_UDHCPC6 is not set' >>.config
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echo 'CONFIG_ASH_INTERNAL_GLOB=y' >>.config
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fi
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# If STATIC, remove some things.
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# PAM with static linking is probably pointless
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# (but I need to try - now I don't have libpam.a on my system, only libpam.so)
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if grep -q "^CONFIG_STATIC=y" .config; then
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cat .config \
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| grep -v CONFIG_PAM \
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>.config.new
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mv .config.new .config
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echo '# CONFIG_PAM is not set' >>.config
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fi
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# Regenerate .config with default answers for yanked-off options
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# (most of default answers are "no").
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{ yes "" | make oldconfig >/dev/null; } || { echo "oldconfig error"; exit 1; }
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# Build!
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nice -n 10 make $MAKEOPTS 2>&1 | tee make.log
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grep 'Rerun make' make.log \
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&& nice -n 10 make $MAKEOPTS 2>&1 | tee -a make.log
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# Return exitcode 1 if busybox executable does not exist
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test -x busybox
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