- added cmake compile warning when users uses clang as clang currently does NOT support some critical GCC settings we require.

This commit is contained in:
SoftCoder 2014-02-06 19:14:14 -08:00
parent 2ed1c2ae2b
commit b1cafabb01
3 changed files with 53 additions and 9 deletions

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@ -21,7 +21,8 @@ MESSAGE(STATUS "Build type for this compile will be: ${CMAKE_BUILD_TYPE}")
IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
SET(CMAKE_COMPILER_IS_GNUCXX "YES")
ADD_DEFINITIONS("-Qunused-arguments -Wno-switch")
# ADD_DEFINITIONS("-Qunused-arguments -Wno-switch")
ADD_DEFINITIONS("-Wno-switch")
ENDIF()
OPTION(BUILD_MEGAGLEST_MODEL_IMPORT_EXPORT_TOOLS "Build model import/export tools" ON)
@ -98,15 +99,34 @@ IF(CMAKE_COMPILER_IS_GNUCXX OR MINGW)
# Default compiler flags
#SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s") ## Strip binary
# Common generic GNU type compiler options that work with all generic GCC compatible compilers
ADD_DEFINITIONS("-Wuninitialized -Wsign-compare -Wunused-function -Wunused-variable -Wreturn-type -fno-strict-aliasing")
# For gcc warning options see: http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
IF(NOT MINGW)
# For tons of verbose warnings add: -Wall
# ADD_DEFINITIONS("-Wreturn-type -fno-strict-aliasing -frounding-math -fsignaling-nans -mfpmath=sse -msse -rdynamic")
ADD_DEFINITIONS("-Wuninitialized -Wsign-compare -Wunused-function -Wunused-variable -Wreturn-type -fno-strict-aliasing -frounding-math -fsignaling-nans -rdynamic")
# ADD_DEFINITIONS("-Wuninitialized -Wsign-compare -Wunused-function -Wunused-variable -Wreturn-type -fno-strict-aliasing -frounding-math -fsignaling-nans -rdynamic")
ELSE()
# ADD_DEFINITIONS("-Wreturn-type -fno-strict-aliasing -frounding-math -fsignaling-nans -mfpmath=sse -msse -DUNICODE")
ADD_DEFINITIONS("-Wuninitialized -Wsign-compare -Wunused-function -Wunused-variable -Wreturn-type -fno-strict-aliasing -frounding-math -fsignaling-nans -DUNICODE")
# ADD_DEFINITIONS("-Wuninitialized -Wsign-compare -Wunused-function -Wunused-variable -Wreturn-type -fno-strict-aliasing -frounding-math -fsignaling-nans -DUNICODE")
ADD_DEFINITIONS("-DUNICODE")
ENDIF()
# CLang specific Compiler Options
IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
# GCC specific Compiler Options
ELSE()
ADD_DEFINITIONS("-frounding-math -fsignaling-nans")
# IF(NOT MINGW)
# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -rdynamic")
# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -rdynamic")
# ENDIF()
ENDIF()
#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
#MESSAGE(STATUS "*TEST: Checking for max SSE LEVEL [${MAX_SSE_LEVEL_DESIRED}]")
@ -346,6 +366,13 @@ IF(EXISTS "${PROJECT_SOURCE_DIR}/data/glest_game/CMakeLists.txt")
ADD_SUBDIRECTORY( ${PROJECT_SOURCE_DIR}/data/glest_game )
ENDIF()
#get_directory_property( DirDefs COMPILE_DEFINITIONS )
#MESSAGE(STATUS ">>>> NOTICE Compiler definitions used: ${DirDefs}")
#MESSAGE(STATUS "END of compile defs...")
IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
MESSAGE(WARNING ">> CLANG is NOT currently compatible as it does not support the following essential GCC compiler settings: -frounding-math -fsignaling-nans")
ENDIF()
SET(CPACK_GENERATOR "DEB")
SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "Mark Vejvoda") #required
SET(CPACK_DEBIAN_PACKAGE_DEPENDS "

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@ -75,14 +75,28 @@ macro(special_check_for_sse _max_sse_level_desired)
set(CMAKE_REQUIRED_FLAGS)
if(HAS_SSE3_EXTENSIONS AND (${_max_sse_level_desired} MATCHES "3"))
set(SSE_FLAGS "-msse3 -mfpmath=sse")
message(STATUS "Found SSE3 extensions, using flags: ${SSE_FLAGS}")
set(SSE_FLAGS "-msse3")
IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
ELSE()
set(SSE_FLAGS "${SSE_FLAGS} -mfpmath=sse")
ENDIF()
message(STATUS "Found SSE3 extensions, using flags: ${SSE_FLAGS}")
elseif(HAS_SSE2_EXTENSIONS AND (${_max_sse_level_desired} MATCHES "2" OR ${_max_sse_level_desired} MATCHES "3"))
set(SSE_FLAGS "-msse2 -mfpmath=sse")
message(STATUS "Found SSE2 extensions, using flags: ${SSE_FLAGS}")
set(SSE_FLAGS "-msse2")
IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
ELSE()
set(SSE_FLAGS "${SSE_FLAGS} -mfpmath=sse")
ENDIF()
message(STATUS "Found SSE2 extensions, using flags: ${SSE_FLAGS}")
elseif(HAS_SSE_EXTENSIONS AND (${_max_sse_level_desired} MATCHES "1" OR ${_max_sse_level_desired} MATCHES "2" OR ${_max_sse_level_desired} MATCHES "3"))
set(SSE_FLAGS "-msse -mfpmath=sse")
message(STATUS "Found SSE extensions, using flags: ${SSE_FLAGS}")
set(SSE_FLAGS "-msse")
IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
ELSE()
set(SSE_FLAGS "${SSE_FLAGS} -mfpmath=sse")
ENDIF()
message(STATUS "Found SSE extensions, using flags: ${SSE_FLAGS}")
endif()
add_definitions(${SSE_FLAGS})

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@ -147,6 +147,9 @@ private:
public:
World();
~World();
// World & World(World &obj) {
// throw runtime_error("class World is NOT safe to assign!");
// }
void cleanup();
void end(); //to die before selection does
void endScenario(); //to die before selection does