Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -126,6 +126,11 @@
 # case of an in tree build, libc++ will prefer a dynamic libc++abi from the
 # system over a static libc++abi from the output directory.
 option(LIBCXXABI_ENABLE_SHARED "Build libc++abi as a shared library." ON)
+option(LIBCXXABI_ENABLE_STATIC "Build libc++abi as a static library." ON)
+
+if (NOT LIBCXXABI_ENABLE_SHARED AND NOT LIBCXXABI_ENABLE_STATIC)
+  message(FATAL_ERROR "libc++abi must be built as either a shared or static library.")
+endif()
 
 find_path(
   LIBCXXABI_LIBCXX_INCLUDES
Index: src/CMakeLists.txt
===================================================================
--- src/CMakeLists.txt
+++ src/CMakeLists.txt
@@ -34,18 +34,6 @@
   endif()
 endif()
 
-if (LIBCXXABI_ENABLE_SHARED)
-  add_library(cxxabi SHARED
-    ${LIBCXXABI_SOURCES}
-    ${LIBCXXABI_HEADERS}
-    )
-else()
-  add_library(cxxabi STATIC
-    ${LIBCXXABI_SOURCES}
-    ${LIBCXXABI_HEADERS}
-    )
-endif()
-
 include_directories("${LIBCXXABI_LIBCXX_INCLUDES}")
 
 if (LIBCXXABI_HAS_CXA_THREAD_ATEXIT_IMPL)
@@ -65,22 +53,23 @@
   append_if(libraries LIBCXXABI_HAS_GCC_EH_LIB gcc_eh)
 endif()
 
-target_link_libraries(cxxabi ${libraries})
-
 # Setup flags.
 append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_FPIC_FLAG -fPIC)
 append_if(LIBCXXABI_LINK_FLAGS LIBCXXABI_HAS_NODEFAULTLIBS_FLAG -nodefaultlibs)
 
+set(LIBCXXABI_SHARED_LINK_FLAGS)
+
 if ( APPLE )
   if ( CMAKE_OSX_DEPLOYMENT_TARGET STREQUAL "10.6" )
     list(APPEND LIBCXXABI_COMPILE_FLAGS "-U__STRICT_ANSI__")
-    list(APPEND LIBCXXABI_LINK_FLAGS
+    list(APPEND LIBCXXABI_SHARED_LINK_FLAGS
       "-compatibility_version 1"
       "-current_version 1"
-      "-install_name /usr/lib/libc++abi.1.dylib"
-      "/usr/lib/libSystem.B.dylib")
-  else()
+      "-install_name /usr/lib/libc++abi.1.dylib")
     list(APPEND LIBCXXABI_LINK_FLAGS
+        "/usr/lib/libSystem.B.dylib")
+  else()
+    list(APPEND LIBCXXABI_SHARED_LINK_FLAGS
       "-compatibility_version 1"
       "-install_name /usr/lib/libc++abi.1.dylib")
   endif()
@@ -88,17 +77,48 @@
 
 string(REPLACE ";" " " LIBCXXABI_COMPILE_FLAGS "${LIBCXXABI_COMPILE_FLAGS}")
 string(REPLACE ";" " " LIBCXXABI_LINK_FLAGS "${LIBCXXABI_LINK_FLAGS}")
+string(REPLACE ";" " " LIBCXXABI_SHARED_LINK_FLAGS "${LIBCXXABI_SHARED_LINK_FLAGS}")
+
+# Add a object library that contains the compiled source files.
+add_library(cxxabi_objects OBJECT ${LIBCXXABI_SOURCES} ${LIBCXXABI_HEADERS})
 
-set_target_properties(cxxabi
+set_target_properties(cxxabi_objects
   PROPERTIES
     COMPILE_FLAGS "${LIBCXXABI_COMPILE_FLAGS}"
-    LINK_FLAGS    "${LIBCXXABI_LINK_FLAGS}"
-    OUTPUT_NAME   "c++abi"
-    VERSION       "1.0"
-    SOVERSION     "1"
   )
 
-install(TARGETS cxxabi
+set(LIBCXXABI_TARGETS)
+
+# Build the shared library.
+if (LIBCXXABI_ENABLE_SHARED)
+  add_library(cxxabi_shared SHARED $<TARGET_OBJECTS:cxxabi_objects>)
+  target_link_libraries(cxxabi_shared ${libraries})
+  set_target_properties(cxxabi_shared
+    PROPERTIES
+      LINK_FLAGS    "${LIBCXXABI_LINK_FLAGS} ${LIBCXXABI_SHARED_LINK_FLAGS}"
+      OUTPUT_NAME   "c++abi"
+      VERSION       "1.0"
+      SOVERSION     "1"
+    )
+  list(APPEND LIBCXXABI_TARGETS "cxxabi_shared")
+endif()
+
+# Build the static library.
+if (LIBCXXABI_ENABLE_STATIC)
+  add_library(cxxabi_static STATIC $<TARGET_OBJECTS:cxxabi_objects>)
+  target_link_libraries(cxxabi_static ${libraries})
+  set_target_properties(cxxabi_static
+    PROPERTIES
+      LINK_FLAGS    "${LIBCXXABI_LINK_FLAGS}"
+      OUTPUT_NAME   "c++abi"
+  )
+  list(APPEND LIBCXXABI_TARGETS "cxxabi_static")
+endif()
+
+# Add a meta-target for both libraries.
+add_custom_target(cxxabi DEPENDS ${LIBCXXABI_TARGETS})
+
+install(TARGETS ${LIBCXXABI_TARGETS}
   LIBRARY DESTINATION lib${LIBCXXABI_LIBDIR_SUFFIX}
   ARCHIVE DESTINATION lib${LIBCXXABI_LIBDIR_SUFFIX}
   )
Index: test/CMakeLists.txt
===================================================================
--- test/CMakeLists.txt
+++ test/CMakeLists.txt
@@ -21,7 +21,7 @@
   ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
   @ONLY)
 
-set(LIBCXXABI_TEST_DEPS cxxabi)
+set(LIBCXXABI_TEST_DEPS cxxabi_shared)
 if (NOT LIBCXXABI_BUILT_STANDALONE)
   list(APPEND LIBCXXABI_TEST_DEPS cxx)
 endif()