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cmake: more comments

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This commit is contained in:
Hugues Delorme 2015-03-03 17:18:15 +01:00
parent 2cc2efcc9f
commit df6b5f4722
1 changed files with 7 additions and 0 deletions
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7
CMakeLists.txt
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@ -32,6 +32,7 @@ option(BUILD_WITH_LIBSTL "Build the libSTL module" ON)
file(GLOB ALL_SRC_FILES src/gmio_core/* src/gmio_core/internal/*) file(GLOB ALL_SRC_FILES src/gmio_core/* src/gmio_core/internal/*)
set(ALL_SRC_FILES ${ALL_SRC_FILES}) set(ALL_SRC_FILES ${ALL_SRC_FILES})
# Find bit size of the target architecture
math(EXPR GMIO_TARGET_ARCH_BIT_SIZE "8 * ${CMAKE_SIZEOF_VOID_P}") math(EXPR GMIO_TARGET_ARCH_BIT_SIZE "8 * ${CMAKE_SIZEOF_VOID_P}")
if(NOT BUILD_STRICT_C90) if(NOT BUILD_STRICT_C90)
@ -69,6 +70,7 @@ if(CMAKE_COMPILER_IS_GNUCC)
endif() endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic-errors -fstrict-aliasing") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic-errors -fstrict-aliasing")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Winline -Wextra -Wstrict-aliasing -Wcast-align -Wlogical-op -Wfloat-equal") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Winline -Wextra -Wstrict-aliasing -Wcast-align -Wlogical-op -Wfloat-equal")
# Force PIC for GCC, see : https://www.gentoo.org/proj/en/base/amd64/howtos/index.xml?part=1&chap=3 # Force PIC for GCC, see : https://www.gentoo.org/proj/en/base/amd64/howtos/index.xml?part=1&chap=3
set(CMAKE_POSITION_INDEPENDENT_CODE ON) set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif() endif()
@ -77,15 +79,20 @@ endif()
if(MSVC) if(MSVC)
# Treat all files a C source files # Treat all files a C source files
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /TC") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /TC")
# Set warning level to /W4 # Set warning level to /W4
string(REGEX REPLACE "/W[0-9]" "/W4" CMAKE_C_FLAGS ${CMAKE_C_FLAGS}) string(REGEX REPLACE "/W[0-9]" "/W4" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
# Enable /Zc:strictStrings when msvc_ver > 2012 and build_type != Debug # Enable /Zc:strictStrings when msvc_ver > 2012 and build_type != Debug
if((MSVC_VERSION GREATER 1700) AND NOT (CMAKE_BUILD_TYPE STREQUAL "Debug")) if((MSVC_VERSION GREATER 1700) AND NOT (CMAKE_BUILD_TYPE STREQUAL "Debug"))
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Zc:strictStrings") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Zc:strictStrings")
endif() endif()
# Disable deprecation warnings about "non-secure" CRT functions
add_definitions(-D_CRT_SECURE_NO_WARNINGS) add_definitions(-D_CRT_SECURE_NO_WARNINGS)
endif() endif()
# Enable DLL generation (export symbols)
if(BUILD_SHARED_LIBS) if(BUILD_SHARED_LIBS)
add_definitions(-DGMIO_LIB_DLL add_definitions(-DGMIO_LIB_DLL
-DGMIO_LIB_MAKE_DLL) -DGMIO_LIB_MAKE_DLL)