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librtlsdr currently fails to build on the autobuilders, as it fails for out of tree builds. Indeed, there is some CMake logic in librtlsdr that determines the version using Git. This works fine when librtlsdr is fetched from Git of course. But in the context of Buildroot, librtlsdr is extracted from a tarball. For an in-tree build, the "git describe" invocation goes all the way up to the Buildroot .git/ metadata, and uses that as the librtlsdr version (it's of course wrong, but the build works). In an out-of-tree build, there is no parent directory with .git/ metadata, so Git fails, the VERSION variable is empty and later CMake aborts the build because of that. We fix that by adjusting the version retrieving logic to only use Git if a .git/ metadata folder is found at the root of the librtlsdr source tree. The patch has been submitted upstream. Fixes: http://autobuild.buildroot.net/results/ea52be1da8ed03272db06679d5a0a441ffe6ea0c/ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
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