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CMake now tests warnings are supported, GCC 4.0 wasn't working because of unsupported warnings.

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this can work for other compilers too, currently intel and gcc use this.
This commit is contained in:
Campbell Barton
2010-12-16 09:55:35 +00:00
parent ee05792a7b
commit ed4e7271f1
2 changed files with 61 additions and 22 deletions
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52
CMakeLists.txt
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@@ -355,12 +355,6 @@ if(UNIX AND NOT APPLE)
# GNU Compiler
if(CMAKE_COMPILER_IS_GNUCC)
set(PLATFORM_CFLAGS "-pipe -fPIC -funsigned-char -fno-strict-aliasing")
# Better warnings
# note: -Wunused-parameter is added below for all GCC compilers
set(C_WARNINGS "-Wall -Wno-char-subscripts -Wpointer-arith -Wcast-align -Wdeclaration-after-statement -Wno-unknown-pragmas")
set(CXX_WARNINGS "-Wall -Wno-invalid-offsetof -Wno-sign-compare")
# Intel C++ Compiler
elseif(CMAKE_C_COMPILER_ID MATCHES "Intel")
# think these next two are broken
@@ -379,13 +373,8 @@ if(UNIX AND NOT APPLE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fp-model precise -prec_div -parallel")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fp-model precise -prec_div -parallel")
set(PLATFORM_CFLAGS "-pipe -fPIC -funsigned-char -fno-strict-aliasing")
# set(PLATFORM_CFLAGS "${PLATFORM_CFLAGS} -diag-enable sc3")
set(C_WARNINGS "-Wall -Wpointer-arith -Wno-unknown-pragmas")
set(CXX_WARNINGS "-Wall -Wno-invalid-offsetof -Wno-sign-compare")
set(PLATFORM_CFLAGS "-pipe -fPIC -funsigned-char -fno-strict-aliasing")
set(PLATFORM_LINKFLAGS "${PLATFORM_LINKFLAGS} -static-intel")
endif()
@@ -605,10 +594,6 @@ elseif(WIN32)
set(LLIBS "-lshell32 -lshfolder -lgdi32 -lmsvcrt -lwinmm -lmingw32 -lm -lws2_32 -lz -lstdc++ -lole32 -luuid")
set(PLATFORM_CFLAGS "-pipe -funsigned-char -fno-strict-aliasing")
# Better warnings
set(C_WARNINGS "-Wall -Wno-char-subscripts -Wpointer-arith -Wcast-align -Wdeclaration-after-statement -Wno-unknown-pragmas")
set(CXX_WARNINGS "-Wall -Wno-invalid-offsetof -Wno-sign-compare")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE")
endif()
@@ -892,11 +877,6 @@ elseif(APPLE)
set(CMAKE_C_FLAGS_RELEASE "-mdynamic-no-pic -fno-strict-aliasing")
set(CMAKE_CXX_FLAGS_RELEASE "-mdynamic-no-pic -fno-strict-aliasing")
endif()
# Better warnings
set(C_WARNINGS "-Wall -Wno-char-subscripts -Wpointer-arith -Wcast-align -Wdeclaration-after-statement -Wno-unknown-pragmas")
set(CXX_WARNINGS "-Wall -Wno-invalid-offsetof -Wno-sign-compare")
endif()
@@ -1003,9 +983,37 @@ if((NOT WIN32) AND (NOT MSVC))
endif()
if(CMAKE_COMPILER_IS_GNUCC)
set(C_WARNINGS "${C_WARNINGS} -Wunused-parameter -Wwrite-strings -Werror=strict-prototypes -Werror=declaration-after-statement -Werror=implicit-function-declaration -Werror=return-type")
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wall)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wcast-align)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wdeclaration-after-statement)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Werror=declaration-after-statement)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Werror=implicit-function-declaration)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Werror=return-type)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Werror=strict-prototypes)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wno-char-subscripts)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wno-unknown-pragmas)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wpointer-arith)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wunused-parameter)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wwrite-strings)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS -Wall)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS -Wno-invalid-offsetof)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS -Wno-sign-compare)
elseif(CMAKE_C_COMPILER_ID MATCHES "Intel")
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wall)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wpointer-arith)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS -Wno-unknown-pragmas)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS -Wall)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS -Wno-invalid-offsetof)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS -Wno-sign-compare)
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${PLATFORM_CFLAGS} ${C_WARNINGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${PLATFORM_CFLAGS} ${CXX_WARNINGS}")