Re-enable linker scripts after fixing bad CMake

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@250472 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b129838..0d60eef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,14 +76,14 @@
 # On UNIX platforms other than Apple unless 'LIBCXX_ENABLE_STATIC_ABI_LIBRARY'
 # is on.
 set(ENABLE_LINKER_SCRIPT_DEFAULT_VALUE OFF)
-if (LLVM_HAVE_LINK_VERSION_SCRIPT AND NOT LIBCXX_ENABLE_STATIC_ABI_LIBRARY)
+if (LLVM_HAVE_LINK_VERSION_SCRIPT AND NOT LIBCXX_ENABLE_STATIC_ABI_LIBRARY
+      AND PYTHONINTERP_FOUND)
     set(ENABLE_LINKER_SCRIPT_DEFAULT_VALUE ON)
 endif()
 
-#FIXME(EricWF)
 option(LIBCXX_ENABLE_ABI_LINKER_SCRIPT
       "Use and install a linker script for the given ABI library"
-      OFF) #${ENABLE_LINKER_SCRIPT_DEFAULT_VALUE})
+      ${ENABLE_LINKER_SCRIPT_DEFAULT_VALUE})
 
 # Build libc++abi with libunwind. We need this option to determine whether to
 # link with libunwind or libgcc_s while running the test cases.
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index d02b8c5..ec3085b 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -140,7 +140,7 @@
   # is a target name and not a library. Ex cxxabi_shared.
   set(SCRIPT_ABI_LIBNAME "${LIBCXX_CXX_ABI_LIBRARY}")
   if (SCRIPT_ABI_LIBNAME STREQUAL "cxxabi_shared")
-    set("${SCRIPT_ABI_LIBNAME}" "c++abi")
+    set(SCRIPT_ABI_LIBNAME "c++abi")
   endif()
   # Generate a linker script inplace of a libc++.so symlink. Rerun this command
   # after cxx builds.