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The xorg server is somewhat sensitive to certain gcc versions combined with -Os, particularly for ARM and MIPS, typically in the form of the following symptom/error: (EE) Segmentation fault at address 0x0 (EE) Fatal server error: (EE) Caught signal 11 (Segmentation fault). Server aborting Force -O2 to work around this problem - for a target rootfs that uses X11 the tradeoff is minimal since a sample/test image for qemu vexpress with X11 + xinit + xterm + twm + xclock + gtk2 with demos is 60+ MB. And it's less complicated than trying to find all of the bad combinations. Fixes bug #8436. Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> [Thomas: add comment in .mk file, add reference to bug.] 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. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches