llvm-project/libcxx/lib/buildit

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#! /bin/sh
#
# Set the $TRIPLE environment variable to your system's triple before
# running this script. If you set $CXX, that will be used to compile
# the library. Otherwise we'll use clang++.
set -e
if [ `basename $(pwd)` != "lib" ]
then
echo "current directory must be lib"
exit 1
fi
if [ -z "$CXX" ]
then
CXX=clang++
fi
if [ -z "$CC" ]
then
CC=clang
fi
if [ -z $MACOSX_DEPLOYMENT_TARGET ]
then
if [ -z $IPHONEOS_DEPLOYMENT_TARGET ]
then
MACOSX_DEPLOYMENT_TARGET=10.7
fi
fi
if [ -z $RC_ProjectSourceVersion ]
then
RC_ProjectSourceVersion=1
fi
EXTRA_FLAGS="-std=c++0x -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion \
-Wnewline-eof -Wpadded -Wmissing-prototypes -Wstrict-aliasing=2 \
-Wstrict-overflow=4"
case $TRIPLE in
*-apple-*)
if [ -z $RC_XBS ]
then
RC_CFLAGS="-arch i386 -arch x86_64"
fi
SOEXT=dylib
if [ "$MACOSX_DEPLOYMENT_TARGET" == "10.6" ]
then
EXTRA_FLAGS="-std=c++0x -U__STRICT_ANSI__"
LDSHARED_FLAGS="-o libc++.1.dylib \
-dynamiclib -nodefaultlibs -current_version 1 \
-compatibility_version 1 \
-install_name /usr/lib/libc++.1.dylib \
-Wl,-reexport_library,/usr/lib/libc++abi.dylib \
-Wl,-unexported_symbols_list,libc++unexp.exp \
/usr/lib/libSystem.B.dylib"
else
RE_EXPORT_LINE="/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++abi.exp"
if [ -n "$SDKROOT" ]
then
EXTRA_FLAGS+="-isysroot ${SDKROOT}"
if echo "${RC_ARCHS}" | grep -q "armv7"
then
RE_EXPORT_LINE="${SDKROOT}/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++sjlj-abi.exp"
else
RE_EXPORT_LINE="-Wl,-reexport_library,${SDKROOT}/usr/lib/libc++abi.dylib"
fi
CXX=`xcrun -sdk "${SDKROOT}" -find clang++`
CC=`xcrun -sdk "${SDKROOT}" -find clang`
fi
LDSHARED_FLAGS="-o libc++.1.dylib \
-dynamiclib -nodefaultlibs \
-current_version ${RC_ProjectSourceVersion} \
-compatibility_version 1 \
-install_name /usr/lib/libc++.1.dylib \
-lSystem \
-Wl,-unexported_symbols_list,libc++unexp.exp \
${RE_EXPORT_LINE} \
-Wl,-force_symbols_not_weak_list,notweak.exp \
-Wl,-force_symbols_weak_list,weak.exp"
fi
;;
*-*-mingw*)
# FIXME: removing libgcc and libsupc++ dependencies means porting libcxxrt and LLVM/compiler-rt
SOEXT=dll
LDSHARED_FLAGS="-o libc++.dll \
-shared -nodefaultlibs -Wl,--export-all-symbols -Wl,--allow-multiple-definition -Wl,--out-implib,libc++.dll.a \
-lsupc++ -lpthread -lmingw32 -lgcc_s -lgcc -lmoldname -lmingwex -lmsvcr100 -ladvapi32 -lshell32 -luser32 -lkernel32 -lmingw32 -lgcc_s -lgcc -lmoldname -lmingwex -lmsvcrt"
;;
*)
RC_CFLAGS="-fPIC"
SOEXT=so
LDSHARED_FLAGS="-o libc++.so.1.0 \
-shared -nodefaultlibs -Wl,-soname,libc++.so.1 \
-lpthread -lrt -lc -lstdc++"
;;
esac
if [ -z $RC_XBS ]
then
rm -f libc++.1.$SOEXT*
fi
set -x
for FILE in ../src/*.cpp; do
$CXX -c -g -Os $RC_CFLAGS $EXTRA_FLAGS -nostdinc++ -I../include $FILE
done
case $TRIPLE in
*-*-mingw*)
for FILE in ../src/support/win32/*.cpp; do
$CXX -c -g -Os $RC_CFLAGS $EXTRA_FLAGS -nostdinc++ -I../include $FILE
done
;;
esac
$CC *.o $RC_CFLAGS $LDSHARED_FLAGS $EXTRA_FLAGS
#libtool -static -o libc++.a *.o
if [ -z $RC_XBS ]
then
rm *.o
fi