On Tuesday 04 April 2006 06:10, Dan Mueller wrote: > Hi cmake users: > > I am trying to use cmake to define a symbol so that I can use the #if > syntax in C++. > > I have read the documentation for the SET_TARGET_PROPERTIES command and > it seems to me that there is a property called DEFINE_SYMBOL which sets > "... /a symbol that is defined when compiling C or C++ sources/" > (http://www.cmake.org/HTML/Documentation.html). However, when I use this > property it does *not *define the symbol. I am using CMake v2.2.3 with > Microsoft Visual Studio 7 .NET 2003 on a Win32 machine. > > FYI I can get the LINK_FLAGS property to work, but not the DEFINE_SYMBOL... > > Have I misunderstood something? Am I setting the property correctly? Any > help would be appreciated. My cmake file and source is below: > > Start CMakeLists.txt ==================================================== > # Add Project > PROJECT(TestMain) > > # Setup output paths > SET(LIBRARY_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/bin CACHE PATH "Single > output directory for building all libraries." FORCE) > SET(EXECUTABLE_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/bin CACHE PATH "Single > output directory for building all executables." FORCE) > > # Add Executable > ADD_EXECUTABLE(TestMain TestMain.cxx) > *SET_TARGET_PROPERTIES(TestMain PROPERTIES DEFINE_SYMBOL "MY_SYMBOL")*
ADD_DEFINITIONS(-DMY_SYMBOL)
> TARGET_LINK_LIBRARIES(TestMain TestMain)
> End CMakeLists.txt ====================================================
>
> Start TestMain.cxx ====================================================
> #include <iostream>
>
> int main(int argc, char * argv[])
> {
> #if (MY_SYMBOL)
> std::cout << "MY_SYMBOL was defined." << std::endl;
> #else
> std::cout << "MY_SYMBOL was NOT defined." << std::endl;
> #endif
> }
> End TestMain.cxx ====================================================
>
> NOTE: TestMain.exe prints "MY_SYMBOL was NOT defined."
>
> Regards,
>
> Dan [EMAIL PROTECTED]
[EMAIL PROTECTED] ~ $ cmake --help-command ADD_DEFINITIONS
cmake version 2.3-20060330
ADD_DEFINITIONS
Adds -D define flags to the command line of C and C++ compilers.
ADD_DEFINITIONS(-DFOO -DBAR ...)
Adds flags to command line of C and C++ compilers. This command can
be used to add any flag to a compile line, but the -D flag is accepted
most C/C++ compilers. Other flags may not be as portable.
--
Filipe Sousa
pgpVsAZbnwojX.pgp
Description: PGP signature
_______________________________________________ CMake mailing list CMake@cmake.org http://www.cmake.org/mailman/listinfo/cmake
