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dmalloc and fxload fail to build for the Microblaze architecture with optimization enabled with gcc < 8.x, with the following failure: Error: PC relative branch to label logerror which is not in the instruction space Error: operation combines symbols in different segments The following defconfig allows to reproduce the issue: BR2_microblazeel=y BR2_OPTIMIZE_2=y BR2_KERNEL_HEADERS_5_0=y BR2_GCC_VERSION_7_X=y BR2_PACKAGE_FXLOAD=y The gcc bug was reported at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63261 and is fixed as of gcc 8.x. Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.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