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As reported in... https://bugs.busybox.net/show_bug.cgi?id=8786 ..., gdb fails to build with xz and expat support at the same time when using an external toolchain. This is how the problem is shown: checking for liblzma... no configure: error: missing liblzma for --with-lzma And having a deeper look in gdb/config.log we can se a message like this one: /lib64/liblzma.so.5: undefined reference to `clock_gettime@GLIBC_2.17' As Thomas said in the bug report quoted above, that error is related to the fact that it find the host's lzma. Adding --with-lzma-prefix=$(STAGING_DIR)/usr to GDB_CONF_OPTS fixes the problem. Credit-to: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.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