Alan, thank you so much for the explanation.
--- "Alan W. Irwin" <[EMAIL PROTECTED]> wrote: > On 2007-04-06 10:41-0700 winson wrote: > > > With the information from the build log, I have > > managed to generate file "plhershey-unicode.h" by > > launching plhershey-unicode.exe with parameters on > > command-line. Then I copied the file manually to > the > > "include" directory. My question now is, is it > what > > this perticular build process all about? > > Yes. > > > In other > > words, will the file "plhershey-unicode.h" affect > the > > subsequent build of other files? I looked through > > other "CMakeLists.txt" files, it seems okay. But I > am > > not sure. Thanks. > > The short answer was above, but if you want to > follow the logic (which is > actually pretty easy to do if you also look at the > CMake documentation at > http://cmake.org/HTML/Documentation.html) the > relevant section of CMake > logic is as follows: > > add_executable(plhershey-unicode-gen > ${plhershey-unicode-gen_SRCS}) > > add_custom_command( > OUTPUT > ${CMAKE_CURRENT_BINARY_DIR}/plhershey-unicode.h > COMMAND > ${CMAKE_CURRENT_BINARY_DIR}/plhershey-unicode-gen${EXEEXT} > ${CMAKE_SOURCE_DIR}/fonts/plhershey-unicode.csv > plhershey-unicode.h > DEPENDS > ${CMAKE_CURRENT_BINARY_DIR}/plhershey-unicode-gen${EXEEXT} > ${CMAKE_SOURCE_DIR}/fonts/plhershey-unicode.csv > ) > > # For cross-directory dependencies.... > add_custom_target( > plhershey-unicode.h_built > DEPENDS > ${CMAKE_CURRENT_BINARY_DIR}/plhershey-unicode.h > ) > > This is the implementation of an important chain of > dependencies. The > custom command depends on the add_executable via the > DEPENDS > ${CMAKE_CURRENT_BINARY_DIR}/plhershey-unicode-gen${EXEEXT}. > In turn, the > custom target depends on the custom command via > DEPENDS > ${CMAKE_CURRENT_BINARY_DIR}/plhershey-unicode.h. > Furthermore, if you look at > src/CMakeLists.txt, you will see our core library > depends on the above > custom target via the > > add_dependencies(plplot${LIB_TAG} > plhershey-unicode.h_built) > > command. Through this chain of dependencies, the > timing of various builds > is enforced. > ${CMAKE_CURRENT_BINARY_DIR}/plhershey-unicode-gen${EXEEXT} > always gets built first, then > ${CMAKE_CURRENT_BINARY_DIR}/plhershey-unicode.h is > built, then finally the > plplot${LIB_TAG} core library is built in the build > tree. Also, and just as > important, no unnecessary builds of > ${CMAKE_CURRENT_BINARY_DIR}/plhershey-unicode-gen${EXEEXT}, > ${CMAKE_CURRENT_BINARY_DIR}/plhershey-unicode.h, or > the library are done. > > If you are trying to mimic any of this by hand (due > to some platform > problem), then be sure to keep the same order and > place your results in the > appropriate build-tree subdirectory (which normally > is separate from the > corresponding source tree directory). > > Alan > __________________________ > Alan W. Irwin > > Astronomical research affiliation with Department of > Physics and Astronomy, > University of Victoria (astrowww.phys.uvic.ca). > > Programming affiliations with the FreeEOS > equation-of-state implementation > for stellar interiors (freeeos.sf.net); PLplot > scientific plotting software > package (plplot.org); the Yorick front-end to PLplot > (yplot.sf.net); the > Loads of Linux Links project (loll.sf.net); and the > Linux Brochure Project > (lbproject.sf.net). > __________________________ > > Linux-powered Science > __________________________ > ____________________________________________________________________________________ 8:00? 8:25? 8:40? Find a flick in no time with the Yahoo! Search movie showtime shortcut. http://tools.search.yahoo.com/shortcuts/#news ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Plplot-general mailing list Plplot-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-general
