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|
#!/bin/sh
set -e
COMPILING=false
FORTIFY=true
FPIE=true
HOST=false
LINKING=true
OPTIMIZE=false
PIE=true
STDLIB=true
BUILDID=true
FULL_DEBUG=false
ARG_LIST=""
LATE_ARG_LIST=""
if [ -z "${PTXDIST_PLATFORMCONFIG}" ]; then
. "$(dirname "$(readlink -f "${0}")")/env" || exit
fi
. ${PTXDIST_PLATFORMCONFIG}
CMD="${0##*/}"
FULL_CMD="${0%/*}/real/${CMD}"
wrapper_exec() {
PATH="$(echo "${PATH}" | sed "s;${PTXDIST_PATH_SYSROOT_HOST}/lib/wrapper:;;")"
if [ "${PTXDIST_VERBOSE}" = 1 -a -n "${PTXDIST_FD_LOGFILE}" ]; then
echo "wrapper: ${PTXDIST_ICECC}${PTXDIST_CCACHE} ${CMD} ${ARG_LIST} $* ${LATE_ARG_LIST}" >&${PTXDIST_FD_LOGFILE}
fi
if [ -n "${FAKEROOTKEY}" -o -z "${ICECC_VERSION}" -o ! -e "${ICECC_VERSION}" ]; then
unset PTXDIST_ICECC
fi
exec ${PTXDIST_ICECC}${PTXDIST_CCACHE} "${FULL_CMD}" ${ARG_LIST} "$@" ${LATE_ARG_LIST}
}
cc_check_args() {
for ARG in "$@"; do
case "${ARG}" in
-c | -E)
LINKING=false
PIE=false
;;
-D_FORTIFY_SOURCE | -D_FORTIFY_SOURCE=*)
FORTIFY=false
;;
-r | -Wl,--build-id | -Wl,--build-id=*)
BUILDID=false
;;
-nostdlib | -ffreestanding)
STDLIB=false
FPIE=false
PIE=false
;;
-fno-PIC | -fno-pic | -fno-PIE | -fno-pie | \
-nopie | -static | -shared | \
-D__KERNEL__ | -nostartfiles)
FPIE=false
PIE=false
;;
-fPIC | -fpic)
FPIE=false
;;
-O0)
;;
-O*)
OPTIMIZE=true
;;
-ggdb3)
FULL_DEBUG=true
;;
-I/usr/include | -L/usr/lib | -L/lib)
if ! ${HOST}; then
echo "wrapper: Bad search path in:" >&2
echo "${CMD} $*" >&2
exit 1
fi
;;
-Wl,-rpath,/*build-target*)
if ! ${HOST}; then
add_late_arg "-Wl,-rpath-link${ARG#-Wl,-rpath}"
fi
;;
-fplugin=*)
# The plugins are not available on the icecc node
unset PTXDIST_ICECC
;;
-|-print-search-dirs|--print-search-dirs)
COMPILING=true
LINKING=true
;;
-*)
;;
*)
COMPILING=true
;;
esac
done
# Used e.g. by the kernel to get the compiler version. Adding
# linker options confuses gcc because there is nothing to link.
if ! $COMPILING; then
LINKING=false
fi
}
add_arg() {
ARG_LIST="${ARG_LIST} ${*}"
}
add_late_arg() {
LATE_ARG_LIST="${LATE_ARG_LIST} ${*}"
}
test_opt() {
local opt="${1}"
for item in ${pkg_wrapper_blacklist}; do
if [ "${item}" = "${opt}" ]; then
return 1
fi
done
opt="PTXCONF_${opt}"
eval "opt=\$${opt}"
if [ -z "${opt}" ]; then
return 1
fi
return 0
}
add_opt_arg() {
test_opt "${1}" || return 0
shift
add_arg "${@}"
}
add_late_opt_arg() {
test_opt "${1}" || return 0
shift
add_late_arg "${@}"
}
add_host_arg() {
case "${pkg_stamp}" in
host-*|cross-*) add_arg "${@}";;
esac
}
add_ld_args() {
add_opt_arg TARGET_HARDEN_RELRO "${1}-z${2}relro"
add_opt_arg TARGET_HARDEN_BINDNOW "${1}-z${2}now"
add_opt_arg TARGET_LINKER_HASH_GNU "${1}--hash-style=gnu"
add_opt_arg TARGET_LINKER_HASH_SYSV "${1}--hash-style=sysv"
add_opt_arg TARGET_LINKER_HASH_BOTH "${1}--hash-style=both"
add_opt_arg TARGET_LINKER_AS_NEEDED "${1}--as-needed"
if ${BUILDID}; then
add_opt_arg TARGET_BUILD_ID "${1}--build-id=sha1"
fi
if ! ( PTXCONF_TARGET_BUILD_ID=y test_opt TARGET_BUILD_ID ); then
add_arg "${1}--build-id=none"
fi
}
ld_add_ld_args() {
# ld warns about ignored keywords (-z <keyword>) when only asked for the
# version
if [ "$*" != "-v" ]; then
add_ld_args
fi
}
cc_add_target_ld_args() {
if ${LINKING}; then
cc_check_args ${pkg_ldflags}
add_ld_args "-Wl," ","
add_late_arg ${PTXDIST_CROSS_LDFLAGS}
add_arg ${pkg_ldflags}
add_opt_arg TARGET_EXTRA_LDFLAGS ${PTXCONF_TARGET_EXTRA_LDFLAGS}
fi
}
cc_add_host_ld_args() {
if ${LINKING}; then
cc_check_args ${pkg_ldflags}
add_host_arg ${pkg_ldflags}
add_late_arg ${PTXDIST_HOST_LDFLAGS}
fi
}
cc_add_fortify() {
# fortify only works when optimizing is enabled. The warning
# generated when combining -D_FORTIFY_SOURCE with -O0 can confuse
# configure checks
if ${FORTIFY} && ${OPTIMIZE}; then
add_opt_arg TARGET_HARDEN_FORTIFY "-D_FORTIFY_SOURCE=2"
fi
}
cc_add_stack() {
# TARGET_HARDEN_STACK blacklists all stack protector options
( PTXCONF_TARGET_HARDEN_STACK=y test_opt TARGET_HARDEN_STACK ) || return 0
if ${STDLIB}; then
add_opt_arg TARGET_HARDEN_STACK "-fstack-protector" "--param=ssp-buffer-size=4"
add_opt_arg TARGET_HARDEN_STACK_STRONG "-fstack-protector-strong"
add_opt_arg TARGET_HARDEN_STACK_ALL "-fstack-protector-all"
fi
add_opt_arg TARGET_HARDEN_STACKCLASH "-fstack-clash-protection"
}
cc_add_pie() {
if ${FPIE}; then
add_opt_arg TARGET_HARDEN_PIE "-fPIE"
fi
if ${PIE}; then
add_opt_arg TARGET_HARDEN_PIE "-pie"
fi
}
cc_add_glibcxx() {
add_opt_arg TARGET_HARDEN_GLIBCXX_ASSERTIONS "-D_GLIBCXX_ASSERTIONS"
}
cc_add_debug() {
# TARGET_DEBUG is no real option but used to blacklist all debug options
PTXCONF_TARGET_DEBUG=y test_opt TARGET_DEBUG || return 0
add_late_opt_arg TARGET_DEBUG_OFF "-g0"
add_late_opt_arg TARGET_DEBUG_ENABLE "-g"
add_late_opt_arg TARGET_DEBUG_FULL "-ggdb3"
if ${FULL_DEBUG} && ! test_opt TARGET_DEBUG_FULL && [ -n "${PTXDIST_ICECC}" ]; then
# '-ggdb3' breaks reproducible builds with icecc
# downgrade to '-g' unless full debugging is explicitly requested
add_late_arg "-ggdb0 -g"
fi
}
cc_add_arch() {
add_opt_arg ARCH_ARM_NEON "-mfpu=neon"
}
cpp_add_target_extra() {
cc_check_args ${pkg_cppflags}
add_opt_arg TARGET_COMPILER_RECORD_SWITCHES "-frecord-gcc-switches"
add_late_arg ${PTXDIST_CROSS_CPPFLAGS}
add_arg ${pkg_cppflags}
add_opt_arg TARGET_EXTRA_CPPFLAGS ${PTXCONF_TARGET_EXTRA_CPPFLAGS}
}
cc_add_target_extra() {
cc_check_args ${pkg_cflags}
cpp_add_target_extra
cc_add_debug
cc_add_arch
add_arg ${pkg_cflags}
add_opt_arg TARGET_EXTRA_CFLAGS ${PTXCONF_TARGET_EXTRA_CFLAGS}
}
cxx_add_target_extra() {
cc_check_args ${pkg_cxxflags}
cpp_add_target_extra
cc_add_debug
cc_add_arch
add_arg ${pkg_cxxflags}
add_opt_arg TARGET_EXTRA_CXXFLAGS ${PTXCONF_TARGET_EXTRA_CXXFLAGS}
}
cc_add_target_reproducible() {
add_arg -fdebug-prefix-map="${PTXDIST_PLATFORMDIR%/*}/="
add_arg -fdebug-prefix-map="$(readlink -f "${PTXDIST_PLATFORMDIR}")/=${PTXDIST_PLATFORMDIR##*/}/"
}
cpp_add_host_extra() {
cc_check_args ${pkg_cppflags}
add_arg ${PTXDIST_HOST_CPPFLAGS}
add_host_arg ${pkg_cppflags}
}
cc_add_host_extra() {
cc_check_args ${pkg_cflags}
cpp_add_host_extra
add_host_arg ${pkg_cflags}
}
cxx_add_host_extra() {
cc_check_args ${pkg_cxxflags}
cpp_add_host_extra
add_host_arg ${pkg_cxxflags}
}
cc_add_host_clang() {
FULL_CMD=$(readlink "${0%/*}/real/${CMD}")
add_arg -gcc-toolchain /usr
}
add_icecc_args() {
if [ -n "${PTXDIST_ICECC}" ]; then
if [ "${1}" != clang ]; then
add_late_arg "-fno-diagnostics-show-caret"
add_late_arg "-gno-record-gcc-switches"
fi
if [ "${PTXDIST_ICECC_REMOTE_CPP}" != 1 -o "${ICECC_REMOTE_CPP}" = "0" ]; then
add_late_arg "-Wno-implicit-fallthrough"
fi
fi
}
clang_check_target_icecc() {
if [ "${PTXDIST_ICECC_CLANG}" != 1 ]; then
unset PTXDIST_ICECC
fi
}
clang_check_host_icecc() {
if [ "${PTXDIST_ICECC_HOST_CLANG}" != 1 ]; then
unset PTXDIST_ICECC
fi
}
cc_add_target_icecc() {
add_icecc_args "${@}"
export ICECC_VERSION="$(echo ${PTXDIST_ICECC_DIR}/target/*.tar.gz)"
export ICECC_CC="${FULL_CMD}"
}
cxx_add_target_icecc() {
add_icecc_args "${@}"
export ICECC_VERSION="$(echo ${PTXDIST_ICECC_DIR}/target/*.tar.gz)"
export ICECC_CXX="${FULL_CMD}"
}
cc_add_host_icecc() {
add_icecc_args "${@}"
export ICECC_VERSION="$(echo ${PTXDIST_ICECC_DIR}/host/*.tar.gz)"
export ICECC_CC="${FULL_CMD}"
}
cxx_add_host_icecc() {
add_icecc_args "${@}"
export ICECC_VERSION="$(echo ${PTXDIST_ICECC_DIR}/host/*.tar.gz)"
export ICECC_CXX="${FULL_CMD}"
}
cc_add_target_clang() {
triple="${CMD%-*}"
FULL_CMD=$(readlink "${0%/*}/real/${CMD}")
if [ -n "${PTXDIST_SYSROOT_TOOLCHAIN}" ]; then
add_arg --sysroot="${PTXDIST_SYSROOT_TOOLCHAIN}"
fi
env="$(dirname "${FULL_CMD}")/.${triple}.flags"
if [ -e "${env}" ]; then
. "${env}"
add_arg ${flags}
else
add_arg --target ${triple}
fi
}
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