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When <pkg>_NEEDS_EXTERNAL_WAF is set to YES, <pkg>_WAF is set to $(HOST_DIR)/bin/waf within the inner-waf-package macro. This reference to $(HOST_DIR) should use $$(HOST_DIR) so that it is properly expanded at the time of use, and not at the time of the macro expansion. In the current Buildroot, this doesn't cause any visible problem because $(HOST_DIR) points to the same directory for all packages. However, with per-package host/target directories, this is no longer the case. It causes a build issue because it tries to use "waf" from the global host directory, which doesn't exist during the build. This commit fixes the following build issue with per package host/target directories: /home/test/autobuild/run/instance-2/output/per-package/mpv/host/bin/python2: can't open file '/home/test/autobuild/run/instance-2/output/host/bin/waf': [Errno 2] No such file or directory make: *** [/home/test/autobuild/run/instance-2/output/build/mpv-0.27.2/.stamp_configured] Error 2 Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr> 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