On Saturday 29 December 2007, Matt Williams wrote: > Hi, > > I am writing a cmake system for a project, but at one point I need to > decide whether a certain module of it should be built or not. Now, there's > some preprocessor logic in one of the header files which sets a > preprocessor #define to 1 or 0 and that is used to decide whether to > include the header files for this module. > > What I was hoping would be possible is for me to be able to run a cmake > macro, something like > INSPECT_CPP_MACRO(_BUILD_MODULE_ "../include/PlatformInformation.h" > BUILD_MODULE) which would compile and run the header file and put the value > of _BUILD_MODULE_ into BUILD_MODULE. > > Is this possible, is there a macro that can do this, or can anyone give a > suggestion as to how I could write one?
Maybe something like include(CheckCSourceCompiles) CHECK_C_SOURCE_COMPILES() with a C file something like: #include "../include/PlatformInformation.h" #ifdef _WHAT_YOU_ARE_INTERESTED_IN #error "this is defined" #endif Alex _______________________________________________ CMake mailing list [email protected] http://www.cmake.org/mailman/listinfo/cmake
