104 lines
3.4 KiB
Text
104 lines
3.4 KiB
Text
# Linker hash-style is set to gnu via gcc default
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LD_OPTIM="-Wl,--as-needed"
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TARGET_CPPFLAGS=""
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TARGET_CFLAGS="${TARGET_CFLAGS} -Wall -pipe ${PROJECT_CFLAGS}"
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TARGET_CXXFLAGS="${TARGET_CFLAGS}"
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TARGET_LDFLAGS="${TARGET_LDFLAGS} ${LD_OPTIM}"
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TARGET_LIBDIR="${SYSROOT_PREFIX}/lib ${SYSROOT_PREFIX}/usr/lib"
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TARGET_INCDIR="${SYSROOT_PREFIX}/include ${SYSROOT_PREFIX}/usr/include"
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HOST_CPPFLAGS=""
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HOST_CFLAGS="-march=native -O3 -Wall -pipe -I${TOOLCHAIN}/include"
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HOST_CXXFLAGS="${HOST_CFLAGS}"
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HOST_LDFLAGS="-Wl,-rpath,${TOOLCHAIN}/lib -L${TOOLCHAIN}/lib"
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HOST_INCDIR="${TOOLCHAIN}/include /usr/include"
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# work around Ubuntu default C*FLAGS
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# see https://wiki.ubuntu.com/ToolChain/CompilerFlags#A-Wformat_-Wformat-security
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HOST_CFLAGS="${HOST_CFLAGS} -Wno-format-security"
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HOST_CXXFLAGS="${HOST_CXXFLAGS} -Wno-format-security"
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# lto flags
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FLAGS_OPTIM_LTO_NO_PARALLEL="-flto"
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FLAGS_OPTIM_LTO_PARALLEL="-flto=${CONCURRENCY_MAKE_LEVEL}"
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FLAGS_OPTIM_LTO_NO_FAT="-fno-fat-lto-objects"
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FLAGS_OPTIM_LTO_FAT="-ffat-lto-objects"
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FLAGS_OPTIM_LTO_OFF="-fno-lto"
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LDFLAGS_OPTIM_LTO_COMMON="-fuse-linker-plugin"
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# linker specific flags
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LDFLAGS_OPTIM_LINKER_COMPILER_DEFAULT=""
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LDFLAGS_OPTIM_LINKER_BFD="-fuse-ld=bfd"
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LDFLAGS_OPTIM_LINKER_GOLD="-fuse-ld=gold"
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LDFLAGS_OPTIM_LINKER_MOLD="-fuse-ld=mold"
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# default compiler optimization
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CFLAGS_OPTIM_DEFAULT="-O3 -fomit-frame-pointer -DNDEBUG"
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CXXFLAGS_OPTIM_DEFAULT="${CFLAGS_OPTIM_DEFAULT}"
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# speed flag
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CFLAGS_OPTIM_SPEED="-Ofast -fomit-frame-pointer -DNDEBUG"
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CXXFLAGS_OPTIM_SPEED="${CFLAGS_OPTIM_SPEED}"
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# size flag
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CFLAGS_OPTIM_SIZE="-Os -fomit-frame-pointer -DNDEBUG"
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CXXFLAGS_OPTIM_SIZE="${CFLAGS_OPTIM_SIZE}"
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# debug settings
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CFLAGS_OPTIM_DEBUG="-ggdb -Og"
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CXXFLAGS_OPTIM_DEBUG="${CFLAGS_OPTIM_DEBUG}"
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LDFLAGS_OPTIM_DEBUG="-ggdb"
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# split debug settings (requires gold)
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CFLAGS_OPTIM_DEBUG_SPLIT="-gsplit-dwarf -Og"
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CXXFLAGS_OPTIM_DEBUG_SPLIT="${CFLAGS_OPTIM_DEBUG_SPLIT}"
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LDFLAGS_OPTIM_DEBUG_SPLIT="-Wl,--gdb-index"
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# position-independent code
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CFLAGS_OPTIM_PIC="-fPIC -DPIC"
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CXXFLAGS_OPTIM_PIC="-fPIC -DPIC"
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LDFLAGS_OPTIM_PIC="-fPIC"
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# hardening support
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# TODO: basiclly copied from debian 9, should adjust for LE
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CFLAGS_OPTIM_HARDENING="-fstack-protector-strong -Wformat -Werror=format-security -fPIE"
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CXXFLAGS_OPTIM_HARDENING="-fstack-protector-strong -Wformat -Werror=format-security -fPIE"
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CPPFLAGS_OPTIM_HARDENING="-D_FORTIFY_SOURCE=2"
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LDFLAGS_OPTIM_HARDENING="-Wl,-z,relro -Wl,-z,now"
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# add distro specific library dirs
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if [ -z "${HOST_LIBDIR}" ]; then
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HOST_LIBDIR="${TOOLCHAIN}/lib"
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# ubuntu/debian specific "multiarch support"
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export MACHINE_HARDWARE_NAME="$(uname -m)"
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FAMILY_TRIPLET=$($LOCAL_CC -print-multiarch)
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if [ -n "$FAMILY_TRIPLET" ]; then
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if [ -d /lib/$FAMILY_TRIPLET ]; then
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HOST_LIBDIR="${HOST_LIBDIR} /lib/$FAMILY_TRIPLET"
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fi
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if [ -d /usr/lib/$FAMILY_TRIPLET ]; then
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HOST_LIBDIR="${HOST_LIBDIR} /usr/lib/$FAMILY_TRIPLET"
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fi
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fi
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# default multiarch support
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case "${MACHINE_HARDWARE_NAME}" in
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i*86)
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if [ -d /lib32 ]; then
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HOST_LIBDIR="${HOST_LIBDIR} /lib32"
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fi
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if [ -d /usr/lib32 ]; then
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HOST_LIBDIR="${HOST_LIBDIR} /usr/lib32"
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fi
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;;
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x86_64)
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if [ -d /lib64 ]; then
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HOST_LIBDIR="${HOST_LIBDIR} /lib64"
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fi
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if [ -d /usr/lib64 ]; then
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HOST_LIBDIR="${HOST_LIBDIR} /usr/lib64"
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fi
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;;
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esac
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# default dirs
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export HOST_LIBDIR="${HOST_LIBDIR} /lib /usr/lib"
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fi
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