<rdar://problem/8279559> [libstdcxx] use new linker options to make symbols non-weak
llvm-svn: 113616
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: d1d6f2ca46ad7e21494373b73acee3a03ecf132d
diff --git a/lib/buildit b/lib/buildit
index 44e7c3a..4b07113 100755
--- a/lib/buildit
+++ b/lib/buildit
@@ -17,6 +17,16 @@
CXX=g++
fi
+if [ -z $MACOSX_DEPLOYMENT_TARGET ]
+then
+ MACOSX_DEPLOYMENT_TARGET=10.6
+fi
+
+if [ -z $RC_ProjectSourceVersion ]
+then
+ RC_ProjectSourceVersion=1
+fi
+
case $TRIPLE in
*-apple-*)
if [ -z $RC_BUILDIT ]
@@ -24,12 +34,28 @@
RC_CFLAGS="-arch i386 -arch x86_64"
fi
SOEXT=dylib
- LDSHARED_FLAGS="-o libc++.1.dylib \
- -dynamiclib -nodefaultlibs -current_version 1 \
- -compatibility_version 1 \
- -install_name /usr/lib/libc++.dylib \
- -Wl,-reexport_library,/usr/lib/libc++abi.dylib \
- /usr/lib/libSystem.B.dylib"
+ if [ "$MACOSX_DEPLOYMENT_TARGET" == "10.6" ]
+ then
+ LDSHARED_FLAGS="-o libc++.1.dylib \
+ -dynamiclib -nodefaultlibs -current_version 1 \
+ -compatibility_version 1 \
+ -install_name /usr/lib/libc++.dylib \
+ -Wl,-reexport_library,/usr/lib/libc++abi.dylib \
+ /usr/lib/libSystem.B.dylib"
+ else
+ LDSHARED_FLAGS="-o libc++.1.dylib \
+ -dynamiclib -nodefaultlibs \
+ -current_version ${RC_ProjectSourceVersion} -compatibility_version 1 \
+ -install_name /usr/lib/libc++.dylib \
+ ${SDKROOT}/usr/lib/libc++abi.dylib \
+ -lSystem \
+ -Xarch_x86_64 -exported_symbols_list \
+ -Xarch_x86_64 x86_64.exp \
+ -Xarch_i386 -exported_symbols_list \
+ -Xarch_i386 i386.exp \
+ -exported_symbols_list libc++abi.exp \
+ -Wl,-force_symbols_not_weak_list,notweak.exp"
+ fi
;;
*)
RC_CFLAGS="-fPIC"
@@ -51,7 +77,8 @@
$CXX -c -g -Os $RC_CFLAGS -nostdinc++ -I../include $FILE
done
-$CXX *.o $RC_CFLAGS $LDSHARED_FLAGS
+
+$CXX *.o $RC_CFLAGS $LDSHARED_FLAGS
#libtool -static -o libc++.a *.o