diff options
| -rw-r--r-- | CMakeLists.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 04ae568e..8735bd39 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1135,6 +1135,33 @@ if(WIN32) endif(WIN32) # +# Check and add warning options if we have a .devel file. +# +include(CheckCCompilerFlag) +macro(check_and_add_dashW_compiler_option _option) + message(STATUS "Checking C compiler flag -W${_option}") + check_c_compiler_flag("-W${_option}" ${_option}) + if(${${_option}}) + set(C_WARNING_FLAGS ${C_WARNING_FLAGS} "-W${_option}") + endif() +endmacro() + +set(C_WARNING_FLAGS "") +if(EXISTS ${CMAKE_SOURCE_DIR}/.devel) + # + # -W options, used by GCC and compilers that try to behave like it. + # + check_and_add_dashW_compiler_option(all) + check_and_add_dashW_compiler_option(sign-compare) + check_and_add_dashW_compiler_option(missing-prototypes) + check_and_add_dashW_compiler_option(strict-prototypes) + check_and_add_dashW_compiler_option(shadow) + check_and_add_dashW_compiler_option(declaration-after-statement) + check_and_add_dashW_compiler_option(used-but-marked-unused) +endif() +message(STATUS "C warning flags ${C_WARNING_FLAGS}") + +# # {Flex} and YACC/Berkeley YACC/Bison. # From a mail message to the CMake mailing list by Andy Cedilnik of # Kitware. @@ -1452,6 +1479,11 @@ else(WIN32) # UN*X endif(WIN32) if(BUILD_SHARED_LIBS) + set_target_properties(${LIBRARY_NAME} PROPERTIES COMPILE_OPTIONS "${C_WARNING_FLAGS}") +endif(BUILD_SHARED_LIBS) +set_target_properties(${LIBRARY_NAME}_static PROPERTIES COMPILE_OPTIONS "${C_WARNING_FLAGS}") + +if(BUILD_SHARED_LIBS) target_link_libraries(${LIBRARY_NAME} ${PCAP_LINK_LIBRARIES}) endif(BUILD_SHARED_LIBS) |