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glibc versions prior to 2.23 have a <fts.h> implementation that is not compatible with large file support, causing build failures such as: In file included from selinux_restorecon.c:17:0: /home/naourr/work/instance-0/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/include/fts.h:41:3: error: #error "<fts.h> cannot be used with -D_FILE_OFFSET_BITS==64" # error "<fts.h> cannot be used with -D_FILE_OFFSET_BITS==64" Prior to commit3fce6f1c15("package/libselinux: fix the build with Python 3.8"), we were not passing PKG_PYTHON_DISTUTILS_ENV in the environment. But with3fce6f1c15, we are now passing the PKG_PYTHON_DISTUTILS_ENV variable, provided by pkg-python.mk, into the build environment. While this is part of fixing the build of libselinux with Python 3.8, it breaks the build because we are no longer filtering out the -D_FILE_OFFSET_BITS=64 option from CFLAGS. Indeed, while we do so at the beginning of libselinux.mk, it gets overridden later by the addition of $(PKG_PYTHON_DISTUTILS_ENV). To avoid this, we pass CFLAGS/LDFLAGS *after* $(PKG_PYTHON_DISTUTILS_ENV) has been added. In practice, the CFLAGS/LDFLAGS passed by $(PKG_PYTHON_DISTUTILS_ENV) are just $(TARGET_CFLAGS) and $(TARGET_LDFLAGS), so we are not missing anything specific. Fixes: http://autobuild.buildroot.net/results/ef6ff91086a094eb25b145d66d072c6d2fc60154/ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.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