In CMake 2.4 the generated link line for a target always preserved the originally specified libraries in their original order. Dependencies were satisfied by inserting extra libraries into the line, though it had some bugs. In CMake 2.6.0 we preserved only the items on the link line that are not known to be shared libraries. This reduced excess libraries on the link line. However, since we link to system libraries (such as /usr/lib/libm.so) by asking the linker to search (-lm), some linkers secretly replace the library with a static library in another implicit search directory (developers can override this by using an imported target to force linking by full path). When this happens the order still matters. To avoid this and other potential subtle issues this commit restores preservation of all non-target items and static library targets. This will create cases of unnecessary, duplicate shared libraries on the link line if the user specifies them, but at least it will work. In the future we can attempt a more advanced analysis to safely remove duplicate shared libraries from the link line.
This is CMake, the cross-platform, open-source make system. CMake is free software under a BSD-like license, see Copyright.txt. For documentation see the Docs/ directory once you have built CMake or visit http://www.cmake.org. Building CMake ============== Supported Platforms ------------------- MS Windows, Mac OS X, Linux, FreeBSD, Solaris, HP-UX, IRIX, BeOS, QNX Other UNIX-like operating systems may work too out of the box, if not it shouldn't be a major problem to port CMake to this platform. Contact the CMake mailing list in this case: http://www.cmake.org/mailman/listinfo/cmake If you don't have any previous version of CMake already installed -------------------------------------------------------------- * UNIX/Mac OSX/MinGW/MSYS/Cygwin: You need to have a compiler and a make installed. Run the bootstrap script you find the in the source directory of CMake. You can use the --help option to see the supported options. You may want to use the --prefix=<install_prefix> option to specify a custom installation directory for CMake. You can run the bootstrap script from within the CMake source directory or any other build directory of your choice. Once this has finished successfully, run make and make install. So basically it's the same as you may be used to from autotools-based projects: $ ./bootstrap; make; make install * Other Windows: You need to download and install a binary release of CMake in order to build CMake. You can get these releases from http://www.cmake.org/HTML/Download.html . Then proceed with the instructions below. You already have a version of CMake installed --------------------------------------------- You can build CMake as any other project with a CMake-based build system: run the installed CMake on the sources of this CMake with your preferred options and generators. Then build it and install it. For instructions how to do this, see http://www.cmake.org/HTML/RunningCMake.html
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