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Add -Wall -Wextra -Wpedantic (or -pedantic) warnings by default.

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This also introduces a MIRALL_FATAL_WARNINGS to enable a -Werror for
GNU compilers and clang.

MSVC compilers are yet to be handled.
This commit is contained in:
Krzesimir Nowak 2013-08-07 12:36:45 +02:00
parent f8878833de
commit 114f66f297
2 changed files with 22 additions and 0 deletions
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2
CMakeLists.txt
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@ -4,6 +4,8 @@ project(mirall)
set(PACKAGE "mirall") set(PACKAGE "mirall")
set( CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules ) set( CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/modules )
include(Warnings)
set(OEM_THEME_DIR "" CACHE STRING "Define directory containing a custom theme") set(OEM_THEME_DIR "" CACHE STRING "Define directory containing a custom theme")
if ( EXISTS ${OEM_THEME_DIR}/OEM.cmake ) if ( EXISTS ${OEM_THEME_DIR}/OEM.cmake )
include ( ${OEM_THEME_DIR}/OEM.cmake ) include ( ${OEM_THEME_DIR}/OEM.cmake )

20
cmake/modules/Warnings.cmake Normal file
View file

@ -0,0 +1,20 @@
if(CMAKE_COMPILER_IS_GNUCXX)
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion
OUTPUT_VARIABLE GCC_VERSION)
if(GCC_VERSION VERSION_GREATER 4.8 OR GCC_VERSION VERSION_EQUAL 4.8)
set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wpedantic")
else(GCC_VERSION VERSION_GREATER 4.8 OR GCC_VERSION VERSION_EQUAL 4.8)
set(CMAKE_CXX_FLAGS "-Wall -Wextra -pedantic")
endif(GCC_VERSION VERSION_GREATER 4.8 OR GCC_VERSION VERSION_EQUAL 4.8)
endif(CMAKE_COMPILER_IS_GNUCXX)
if(CMAKE_CXX_COMPILER MATCHES "clang")
set(CMAKE_CXX_FLAGS "-Wall -Wextra -pedantic")
endif(CMAKE_CXX_COMPILER MATCHES "clang")
# TODO: handle msvc compilers warnings?
if(DEFINED MIRALL_FATAL_WARNINGS)
if (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER MATCHES "clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
endif (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER MATCHES "clang")
# TODO: handle msvc compilers warnings?
endif(DEFINED MIRALL_FATAL_WARNINGS)