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This patch adds a global instrumentation hook that collects the list of files installed in $(TARGET_DIR) by each package, and stores this list into a file called $(BUILD_DIR)/packages-file-list.txt. It can later be used to determine the size contribution of each package to the target root filesystem. Note that in order to detect if a file installed by one package is later overriden by another package, we calculate the md5 of installed files and compare them at each installation of a new package. Collecting the list of files installed by each package is done unconditionally, as tests have shown that the performance impact of doing this is negligible. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Ryan Barnett <ryanbarnett3@gmail.com> Tested-by: Ryan Barnett <ryanbarnett3@gmail.com> Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on Freenode IRC.