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Some barebox targets need to build host tools (for example rockchip64 uses scripts/rkimage) that require some host libraries, such as host-openssl or host-libusb. These are detected by the Barebox build system using pkg-config. In order to allow supporting such Barebox configurations, we add two new options: BR2_TARGET_BAREBOX_NEEDS_OPENSSL and BR2_TARGET_BAREBOX_NEEDS_LIBUSB that respectively allow to ensure that host-openssl and/or host-libusb are built before Barebox. Additionally, $(1)_MAKE_ENV is adjusted to ensure that when pkg-config is run by the Barebox build system, it finds host libraries. This is similar to what is done in U-Boot. This allows to fix the following build failure: HOSTCC scripts/rkimage Package openssl was not found in the pkg-config search path. Perhaps you should add the directory containing `openssl.pc' to the PKG_CONFIG_PATH environment variable Package 'openssl', required by 'virtual:world', not found /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: /tmp/ccN8Xyaj.o: in function `main': rkimage.c:(.text.startup+0x218): undefined reference to `SHA256_Init' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: rkimage.c:(.text.startup+0x22b): undefined reference to `SHA256_Update' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: rkimage.c:(.text.startup+0x23e): undefined reference to `SHA256_Final' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: rkimage.c:(.text.startup+0x253): undefined reference to `SHA256_Init' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: rkimage.c:(.text.startup+0x265): undefined reference to `SHA256_Update' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: rkimage.c:(.text.startup+0x275): undefined reference to `SHA256_Final' collect2: error: ld returned 1 exit status make[2]: *** [scripts/Makefile.host:107: scripts/rkimage] Error 1 make[1]: *** [Makefile:976: scripts] Error 2 Signed-off-by: Alexander Shiyan <eagle.alexander923@gmail.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 OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches