[build/Darwin] Use the correct libc++abi reexport list.
- This updates the build script to match the change originally in r149634, so
that we re-export symbols from libc++abi appropriately.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@174563 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/buildit b/lib/buildit
index 36222dc..347c6c0 100755
--- a/lib/buildit
+++ b/lib/buildit
@@ -57,7 +57,6 @@
-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 ${SDKROOT}"
@@ -69,6 +68,15 @@
fi
CXX=`xcrun -sdk "${SDKROOT}" -find clang++`
CC=`xcrun -sdk "${SDKROOT}" -find clang`
+ else
+ # Check if we have _LIBCPPABI_VERSION, to determine the reexport list to use.
+ if (echo "#include <cxxabi.h>" | $CXX -E -dM -x c++ - | \
+ grep _LIBCPPABI_VERSION > /dev/null)
+ then
+ RE_EXPORT_LINE="/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++abi2.exp"
+ else
+ RE_EXPORT_LINE="/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++abi.exp"
+ fi
fi
LDSHARED_FLAGS="-o libc++.1.dylib \
-dynamiclib -nodefaultlibs \