foundationdb/build/link-wrapper.sh

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#!/bin/bash
set -e
OPTIONS=''
# Get compiler version and major version
COMPILER_VER=$("${CC}" -dumpversion)
COMPILER_MAJVER="${COMPILER_VER%%\.*}"
# Add linker, if specified and valid
# The linker to use for building:
# can be LD (system default, default choice), GOLD, LLD, or BFD
if [ -n "${USE_LD}" ] && \
(([[ "${CC}" == *"gcc"* ]] && [ "${COMPILER_MAJVER}" -ge 9 ]) || \
([[ "${CXX}" == *"clang++"* ]] && [ "${COMPILER_MAJVER}" -ge 4 ]) )
then
if [ "${PLATFORM}" == "linux" ]; then
if [ "${USE_LD}" == "BFD" ]; then
OPTIONS+='-fuse-ld=bfd -Wl,--disable-new-dtags'
elif [ "${USE_LD}" == "GOLD" ]; then
OPTIONS+='-fuse-ld=gold -Wl,--disable-new-dtags'
elif [ "${USE_LD}" == "LLD" ]; then
OPTIONS+='-fuse-ld=lld -Wl,--disable-new-dtags'
elif [ "${USE_LD}" != "DEFAULT" ] && [ "${USE_LD}" != "LD" ]; then
echo 'USE_LD must be set to DEFAULT, LD, BFD, GOLD, or LLD!'
exit 1
fi
fi
fi
case $1 in
Application | DynamicLibrary)
echo "Linking $3"
if [ "$1" = "DynamicLibrary" ]; then
OPTIONS+=" -shared"
if [ "$PLATFORM" = "linux" ]; then
OPTIONS+=" -Wl,-z,noexecstack -Wl,-soname,$( basename $3 )"
elif [ "$PLATFORM" = "osx" ]; then
OPTIONS+=" -Wl,-dylib_install_name -Wl,$( basename $3 )"
fi
fi
OPTIONS=$( eval echo "$OPTIONS $LDFLAGS \$$2_OBJECTS \$$2_LIBS \$$2_STATIC_LIBS_REAL \$$2_LDFLAGS -o $3" )
if [[ "${OPTIONS}" == *"-static-libstdc++"* ]]; then
staticlibs=()
staticpaths=''
if [[ "${CC}" == *"gcc"* ]]; then
staticlibs+=('libstdc++.a')
elif [[ "${CXX}" == *"clang++"* ]]; then
staticlibs+=('libc++.a' 'libc++abi.a')
fi
for staticlib in "${staticlibs[@]}"; do
staticpaths+="$("${CC}" -print-file-name="${staticlib}") "
done
OPTIONS=$( echo $OPTIONS | sed -e s,-static-libstdc\+\+,, -e s,\$,\ "${staticpaths}"\ -lm, )
fi
case $PLATFORM in
osx)
if [[ "${OPTIONS}" == *"-static-libgcc"* ]]; then
$( $CC -### $OPTIONS 2>&1 | grep '^ ' | sed -e s,^\ ,, -e s,-lgcc[^\ ]*,,g -e s,\",,g -e s,\$,\ `$CC -print-file-name=libgcc_eh.a`, -e s,10.8.2,10.6, )
else
$CC $OPTIONS
fi
;;
*)
$CC $OPTIONS
;;
esac
if [ -z "$UNSTRIPPED" ]; then
if [ -z "${NOSTRIP}" ]; then echo "Stripping $3"; else echo "Not stripping $3"; fi
case $1 in
Application)
case $PLATFORM in
linux)
objcopy --only-keep-debug $3 $3.debug
if [ -z "${NOSTRIP}" ]; then strip --strip-debug --strip-unneeded $3; fi
objcopy --add-gnu-debuglink=$3.debug $3
./build/link-validate.sh $3 $4
;;
osx)
cp $3 $3.debug
if [ -z "${NOSTRIP}" ]; then strip $3; fi
;;
*)
echo "I don't know how to strip a binary on $PLATFORM"
exit 1
;;
esac
;;
DynamicLibrary)
cp $3 $3-debug
case $PLATFORM in
linux)
if [ -z "${NOSTRIP}" ]; then strip --strip-all $3; fi
;;
osx)
if [ -z "${NOSTRIP}" ]; then strip -S -x $3; fi
;;
*)
echo "I don't know how to strip a library on $PLATFORM"
exit 1
;;
esac
;;
esac
fi
;;
StaticLibrary)
echo "Archiving $3"
rm -f $3
eval ar rcs $3 \$$2_OBJECTS
;;
*)
echo "I don't know how to build a $1"
exit 1
;;
esac