<rdar://problem/8279559> [libstdcxx] use new linker options to make symbols non-weak

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@113616 91177308-0d34-0410-b5e6-96231b3b80d8

Makefile

@@ -12,7 +12,7 @@ export TRIPLE=-apple-
 installsrc:: $(SRCROOT)
 
 	ditto $(SRCDIRS)/include $(SRCROOT)/include
-	ditto $(SRCDIRS)/lib/buildit $(SRCROOT)/lib/buildit
+	ditto $(SRCDIRS)/lib $(SRCROOT)/lib
 	ditto $(SRCDIRS)/src $(SRCROOT)/src
 	ditto $(SRCDIRS)/Makefile $(SRCROOT)/Makefile
 

lib/buildit

@@ -17,6 +17,16 @@ then
 	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 @@ case $TRIPLE in
       RC_CFLAGS="-arch i386 -arch x86_64"
     fi
     SOEXT=dylib
-    LDSHARED_FLAGS="-o libc++.1.dylib \
+	if [ "$MACOSX_DEPLOYMENT_TARGET" == "10.6" ]
-        -dynamiclib -nodefaultlibs -current_version 1 \
+	then
-        -compatibility_version 1 \
+		LDSHARED_FLAGS="-o libc++.1.dylib \
-        -install_name /usr/lib/libc++.dylib \
+			-dynamiclib -nodefaultlibs -current_version 1 \
-        -Wl,-reexport_library,/usr/lib/libc++abi.dylib \
+			-compatibility_version 1 \
-        /usr/lib/libSystem.B.dylib"
+			-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 @@ for FILE in ../src/*.cpp; do
 	$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
 

lib/libc++abi.exp

@@ -0,0 +1,150 @@
+___cxa_allocate_exception
+___cxa_end_catch
+___cxa_demangle
+___cxa_current_exception_type
+___cxa_call_unexpected
+___cxa_free_exception
+___cxa_get_exception_ptr
+___cxa_get_globals
+___cxa_get_globals_fast
+___cxa_guard_abort
+___cxa_guard_acquire
+___cxa_guard_release
+___cxa_rethrow
+___cxa_pure_virtual
+___cxa_begin_catch
+___cxa_throw
+___cxa_vec_cctor
+___cxa_vec_cleanup
+___cxa_vec_ctor
+___cxa_vec_delete
+___cxa_vec_delete2
+___cxa_vec_delete3
+___cxa_vec_dtor
+___cxa_vec_new
+___cxa_vec_new2
+___cxa_vec_new3
+___dynamic_cast
+___gxx_personality_v0
+__ZTSPm
+__ZTSPl
+__ZTSPj
+__ZTSPi
+__ZTSPh
+__ZTSPf
+__ZTSPe
+__ZTSPd
+__ZTSPc
+__ZTSPb
+__ZTSPa
+__ZTSPKc
+__ZTSPKy
+__ZTSPKx
+__ZTSPKw
+__ZTSPKv
+__ZTSPKt
+__ZTSPKs
+__ZTSPKm
+__ZTSPKl
+__ZTSPKi
+__ZTSPKh
+__ZTSPs
+__ZTSPt
+__ZTSPv
+__ZTSPw
+__ZTSPKa
+__ZTSPx
+__ZTSPy
+__ZTSPKd
+__ZTSPKe
+__ZTSPKj
+__ZTSPKb
+__ZTSPKf
+__ZTSv
+__ZTSt
+__ZTSs
+__ZTSm
+__ZTSl
+__ZTSj
+__ZTSi
+__ZTSh
+__ZTSf
+__ZTSe
+__ZTSd
+__ZTSc
+__ZTSw
+__ZTSx
+__ZTSy
+__ZTSb
+__ZTSa
+__ZTIPKh
+__ZTIPKf
+__ZTIPKe
+__ZTIPKd
+__ZTIPKc
+__ZTIPKb
+__ZTIPKa
+__ZTIPy
+__ZTIPx
+__ZTIPw
+__ZTIPv
+__ZTIPt
+__ZTIPs
+__ZTIPm
+__ZTIPl
+__ZTIPj
+__ZTIPi
+__ZTIPKi
+__ZTIPKj
+__ZTIPKl
+__ZTIPKm
+__ZTIPKs
+__ZTIPKt
+__ZTIPKv
+__ZTIPKw
+__ZTIPKx
+__ZTIPKy
+__ZTIPa
+__ZTIPb
+__ZTIPc
+__ZTIPd
+__ZTIPe
+__ZTIPf
+__ZTIPh
+__ZTVN10__cxxabiv129__pointer_to_member_type_infoE
+__ZTVN10__cxxabiv116__enum_type_infoE
+__ZTVN10__cxxabiv117__array_type_infoE
+__ZTVN10__cxxabiv117__class_type_infoE
+__ZTVN10__cxxabiv117__pbase_type_infoE
+__ZTVN10__cxxabiv119__pointer_type_infoE
+__ZTVN10__cxxabiv120__function_type_infoE
+__ZTVN10__cxxabiv120__si_class_type_infoE
+__ZTVN10__cxxabiv121__vmi_class_type_infoE
+__ZTVN10__cxxabiv123__fundamental_type_infoE
+__ZTIa
+__ZTIb
+__ZTIc
+__ZTId
+__ZTIe
+__ZTIf
+__ZTIh
+__ZTIi
+__ZTIj
+__ZTIl
+__ZTIm
+__ZTIs
+__ZTIt
+__ZTSN10__cxxabiv129__pointer_to_member_type_infoE
+__ZTSN10__cxxabiv123__fundamental_type_infoE
+__ZTSN10__cxxabiv121__vmi_class_type_infoE
+__ZTSN10__cxxabiv120__si_class_type_infoE
+__ZTSN10__cxxabiv120__function_type_infoE
+__ZTSN10__cxxabiv119__pointer_type_infoE
+__ZTSN10__cxxabiv117__pbase_type_infoE
+__ZTSN10__cxxabiv117__class_type_infoE
+__ZTSN10__cxxabiv117__array_type_infoE
+__ZTSN10__cxxabiv116__enum_type_infoE
+__ZTIy
+__ZTIx
+__ZTIw
+__ZTIv

lib/notweak.exp

@@ -0,0 +1,5 @@
+# Remove the weak-def bit from these external symbols
+__ZT*
+__ZN*
+__ZS*
+

src/typeinfo.cpp

@@ -7,6 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 #include <stdlib.h>
+#include <cxxabi.h>
 
 #include "typeinfo"
 
@@ -37,3 +38,11 @@ std::bad_typeid::what() const throw()
 {
   return "std::bad_typeid";
 }
+
+#if __APPLE__
+  // On Darwin, the cxa_bad_* functions cannot be in the lower level library
+  // because bad_cast and bad_typeid are defined in his higher level library
+  void __cxxabiv1::__cxa_bad_typeid() { throw std::bad_typeid(); }
+  void __cxxabiv1::__cxa_bad_cast() { throw std::bad_cast(); }
+#endif
+