diff options
Diffstat (limited to 'Modules/CMakeSystemSpecificInformation.cmake')
| -rw-r--r-- | Modules/CMakeSystemSpecificInformation.cmake | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Modules/CMakeSystemSpecificInformation.cmake b/Modules/CMakeSystemSpecificInformation.cmake index 5a8c10c..d845221 100644 --- a/Modules/CMakeSystemSpecificInformation.cmake +++ b/Modules/CMakeSystemSpecificInformation.cmake @@ -35,6 +35,44 @@ IF(NOT _INCLUDED_SYSTEM_INFO_FILE) ENDIF(NOT _INCLUDED_SYSTEM_INFO_FILE) +# The Eclipse generator needs to know the standard include path +# so that Eclipse ca find the headers at runtime and parsing etc. works better +# This is done here by actually running gcc with the options so it prints its +# system include directories, which are parsed then and stored in the cache. +IF("${CMAKE_EXTRA_GENERATOR}" MATCHES "Eclipse") + + MACRO(_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS _lang _result) + SET(${_result}) + SET(_gccOutput) + FILE(WRITE "${CMAKE_BINARY_DIR}/CMakeFiles/dummy" "\n" ) + EXECUTE_PROCESS(COMMAND ${CMAKE_C_COMPILER} -v -E -x ${_lang} dummy + WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/CMakeFiles + ERROR_VARIABLE _gccOutput + OUTPUT_QUIET ) + FILE(REMOVE "${CMAKE_BINARY_DIR}/CMakeFiles/dummy") + + IF( "${_gccOutput}" MATCHES "> search starts here[^\n]+\n *(.+) *\n *End of (search) list" ) + SET(${_result} ${CMAKE_MATCH_1}) + STRING(REPLACE "\n" " " ${_result} "${${_result}}") + SEPARATE_ARGUMENTS(${_result}) + ENDIF( "${_gccOutput}" MATCHES "> search starts here[^\n]+\n *(.+) *\n *End of (search) list" ) + ENDMACRO(_DETERMINE_GCC_SYSTEM_INCLUDE_DIRS _lang) + + # Now check for C + IF ("${CMAKE_C_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS) + _DETERMINE_GCC_SYSTEM_INCLUDE_DIRS(c _dirs) + SET(CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS "${_dirs}" CACHE INTERNAL "C compiler system include directories") + ENDIF ("${CMAKE_C_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_C_SYSTEM_INCLUDE_DIRS) + + # And now the same for C++ + IF ("${CMAKE_CXX_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS) + _DETERMINE_GCC_SYSTEM_INCLUDE_DIRS(c++ _dirs) + SET(CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS "${_dirs}" CACHE INTERNAL "CXX compiler system include directories") + ENDIF ("${CMAKE_CXX_COMPILER_ID}" MATCHES GNU AND NOT CMAKE_ECLIPSE_CXX_SYSTEM_INCLUDE_DIRS) + +ENDIF("${CMAKE_EXTRA_GENERATOR}" MATCHES "Eclipse") + + # for most systems a module is the same as a shared library # so unless the variable CMAKE_MODULE_EXISTS is set just # copy the values from the LIBRARY variables |