Clang has -nostdlib++, which can be used more effectively than disabling
all and then hardcoding linking against libgcc (which we do not have)

--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -105,7 +105,7 @@ set_target_properties(graphite2 PROPERTIES  PUBLIC_HEADER "${GRAPHITE_HEADERS}"
 if  (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     set_target_properties(graphite2 PROPERTIES
         COMPILE_FLAGS   "-Wall -Wextra -Wno-unknown-pragmas -Wendif-labels -Wshadow -Wctor-dtor-privacy -Wnon-virtual-dtor -fno-rtti -fno-exceptions -fvisibility=hidden -fvisibility-inlines-hidden"
-        LINK_FLAGS      "-nodefaultlibs ${GRAPHITE_LINK_FLAGS}"
+        LINK_FLAGS      "-nostdlib++ ${GRAPHITE_LINK_FLAGS}"
         LINKER_LANGUAGE C)
     if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86|i.86")
         add_definitions(-mfpmath=sse -msse2)
@@ -117,19 +117,7 @@ if  (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
     if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
         add_definitions(-Wimplicit-fallthrough -Wshorten-64-to-32)
     endif()
-    if (${CMAKE_CXX_COMPILER} MATCHES  ".*mingw.*")
-        target_link_libraries(graphite2 kernel32 msvcr90 mingw32 gcc user32)
-    else (${CMAKE_CXX_COMPILER} MATCHES  ".*mingw.*")
-        if (GRAPHITE2_SANITIZERS)
-            target_link_libraries(graphite2 c gcc_s)
-        else ()
-            target_link_libraries(graphite2 c gcc)
-        endif ()
-    endif()
     include(Graphite)
-    if (BUILD_SHARED_LIBS)
-        nolib_test(stdc++ $<TARGET_SONAME_FILE:graphite2>)
-    endif ()
     set(CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
     CREATE_LIBTOOL_FILE(graphite2 "/lib${LIB_SUFFIX}")
 endif()
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -47,12 +47,12 @@ else (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
     set_target_properties(graphite2-base PROPERTIES
         COMPILE_FLAGS       "-Wall -Wextra -Wno-class-memaccess -fno-rtti -fno-exceptions"
         COMPILE_DEFINITIONS "GRAPHITE2_NTRACING"
-        LINK_FLAGS          "-nodefaultlibs ${GRAPHITE_LINK_FLAGS}"
+        LINK_FLAGS          "-nostdlib++ ${GRAPHITE_LINK_FLAGS}"
         LINKER_LANGUAGE     C)
     set_target_properties(graphite2-file PROPERTIES
         COMPILE_FLAGS       "-Wall -Wextra  -Wno-class-memaccess -fno-rtti -fno-exceptions"
         COMPILE_DEFINITIONS "GRAPHITE2_NTRACING${TELEMETRY}"
-        LINK_FLAGS          "-nodefaultlibs ${GRAPHITE_LINK_FLAGS}"
+        LINK_FLAGS          "-nostdlib++ ${GRAPHITE_LINK_FLAGS}"
         LINKER_LANGUAGE     C)
 endif()