how do i do that? i know that sounds really ignorant, but, i guess I am a little bit with cmake. dave
On 1/27/07, Bill Hoffman <[EMAIL PROTECTED]> wrote:
David Morris wrote: > I'm new to cmake, and I have been trying to find a good comprehensive > tutorial to get myself started, but have had no luck. Does anyone know > a good one besides the cmake.org <http://cmake.org> site and the > linuxjournal one? > > I will try to describe one problem i'm having, but I'm not really sure > where to begin. I'm trying to compile a C++ project and I get this error: > > /usr/bin/ld: Undefined symbols: > _glBegin > _glBindTexture > _glColor3d > _glColor3f > _glCullFace > ... > ... > > and so on... > > I read somewhere this might have to do with cmake trying to compile > C++ code using gcc instead of g++, and that you can override this > setting in the CMakeCache file, but this is the line in the > CMakeCache.txt file: > > CMAKE_CXX_COMPILER:FILEPATH=/usr/bin/c++ > > I tried changing it to g++, but it didn't seem to do anything. I don't > think this has much to do with the actual code of the project, so I > didn't bother explaining anything about it here. Any help would be > greatly appreciated. I'm thinking it's a really simple error, but who > knows. Here is the text of my main CMakeLists.txt file: > > --- > > #Change PROJECT_NAME to the name of your project > PROJECT(TopMod) > #include some macros from another file... > INCLUDE(${TopMod_SOURCE_DIR}/CMakeMacros.txt) > #Declare any external dependencies that your project may have here. > #examples include: ITK, VTK, JPEG, PNG, OpenGL, ZLIB, Perl, Java > #If you're not sure what name to use, look in the Modules directory of > your > #cmake install and check that a file named Find(Package).cmake exists > SET(Required_Packages > FLTK JPEG PNG OpenGL ZLIB GLUT > ) > FOREACH(Package ${Required_Packages}) > LOADPACKAGE(${Package}) > ENDFOREACH(Package) > > #run through these sub directories to build these two libraries > SUBDIRS(vecmat) > SUBDIRS(arcball) > > INCLUDE_DIRECTORIES(${TopMod_SOURCE_DIR}/arcball > ${TopMod_SOURCE_DIR}/vecmat ${TopMod_SOURCE_DIR}/include /opt/local/lib) > LINK_DIRECTORIES(${TopMod_BINARY_DIR}/arcball > ${TopMod_BINARY_DIR}/vecmat ${TopMod_BINARY_DIR}/include /opt/local/lib) > > SET(Libraries fltk_images fltk_gl fltk arcball vecmat) > > SET(CurrentExe "TopMod") > FILE(GLOB SRC *.cc) > ADD_EXECUTABLE(${CurrentExe} ${SRC}) > TARGET_LINK_LIBRARIES(${CurrentExe} ${Libraries}) You need to link in the opengl library. -Bill
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