Fix warning when building with clang

- License file extension is lowercase.
- Forgot to remove the status cmake message.

CMakeLists.txt

@@ -41,7 +41,7 @@ if (RTAGS_ENABLE_DEV_OPTIONS)
     set(CPACK_PACKAGE_VERSION_MAJOR ${RTAGS_VERSION_MAJOR})
     set(CPACK_PACKAGE_VERSION_MINOR ${RTAGS_VERSION_MINOR})
     set(CPACK_PACKAGE_VERSION_DATABASE ${RTAGS_VERSION_DATABASE})
-    set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.TXT")
+    set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.txt")
     set(CPACK_PACKAGE_VERSION "${RTAGS_VERSION}")
     include(CPack)
 endif ()

README.org

@@ -309,11 +309,11 @@ might fit better than the other, depending on your project build system.
 
 - [[https://github.com/rizsotto/Bear][Bear]]
 
-  If you have a pure makefile based project you can use =bear= to generate a
-  compile_commands.json file. However, if you are cross-compiling you probably
-  need to adjust the command entries in the compile_commands.json file to match
-  the correct compiler. Further, make sure you clean your project before
-  invoking =bear=.
+  For other projects you can use =bear= to generate a compile_commands.json
+  file. However, if you are cross-compiling you probably need to adjust the
+  command entries in the compile_commands.json file to match the correct
+  compiler. Furthermore, make sure you clean your project before invoking
+  =bear=.
 
   #+BEGIN_SRC sh
   make clean
@@ -328,7 +328,7 @@ might fit better than the other, depending on your project build system.
 - =make=
 
   You can ask =make= to only print the recipes without actually doing something.
-  This might be perfectly fine for not too complex makefiles.
+  This way may be perfectly fine for not too complex Makefiles.
 
   #+BEGIN_SRC sh
   make clean

src/CMakeLists.txt

@@ -59,7 +59,6 @@ set(RCT_NO_LIBRARY 1)
 # doesn't need to be set in this file again.
 include(rct/rct.cmake)
 
-message(STATUS "AFTER compiler.cmake ${CMAKE_CXX_FLAGS}")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wstrict-aliasing=2 -Wcast-qual -fPIC")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wstrict-aliasing=2 -Wcast-qual -fPIC")
 if (NOT CYGWIN)
@@ -150,11 +149,13 @@ if (LUA_FOUND)
     set(RTAGS_LIBRARIES ${RTAGS_LIBRARIES} ${LUA_LIBRARIES})
     include_directories(${LUA_INCLUDE_DIR})
     add_definitions(-DRTAGS_HAS_LUA)
-    if (APPLE)
-        set_source_files_properties(AST.cpp PROPERTIES COMPILE_FLAGS "-Wno-unused-parameter -Wno-unused-variable -ftemplate-depth=2000 -Wno-cast-qual")
-    elseif (UNIX)
-        set_source_files_properties(AST.cpp PROPERTIES COMPILE_FLAGS "-Wno-unused-parameter -Wno-unused-variable -Wno-unused-but-set-parameter -ftemplate-depth=2000 -Wno-cast-qual")
-    endif ()
+    if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
+        set_source_files_properties(AST.cpp PROPERTIES
+            COMPILE_FLAGS "-Wno-unused-parameter -Wno-unused-variable -ftemplate-depth=2000 -Wno-cast-qual")
+    else ()
+        set_source_files_properties(AST.cpp PROPERTIES
+            COMPILE_FLAGS "-Wno-unused-but-set-parameter -Wno-unused-parameter -Wno-unused-variable -ftemplate-depth=2000 -Wno-cast-qual")
+    endif()
 endif ()
 
 # RCT_LIBRARIES and stdc++ library must be at the end