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gcc.mk attempts to disable building the documentation by setting MAKEINFO=missing, but it is not working. If makeinfo is installed and recent enough, gcc still uses it. This can be checked easily: grep BUILD_INFO='info' host-gcc-initial-*/build/gcc/config.log It happens because the root ./configure script will check $MAKEINFO --version (aka 'missing --version') and will overwrite it with MAKEINFO='missing makeinfo' because the version does not match. Having MAKEINFO='missing makeinfo' is a problem because 'missing makeinfo' will actually attempt to run 'makeinfo' before failing with an error message. If makeinfo is installed on the host, then 'missing makeinfo' will successfully run makeinfo anyway. Many gcc subprojects will check $MAKEINFO --version and enable building the documentation if it is recent enough. This patch overrides these checks by forcing gcc_cv_prog_makeinfo_modern=no. Building the GCC documentation can fail with the wrong makeinfo version. It happened at least when building GCC 11.3.0 with makeinfo 7.1. Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> (cherry picked from commit f7b9d3ad2b4acccad5252737003e8a0db4f43340) 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 OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches