On 25/09/2020 14:12, William Gregorio via Gcc-help wrote: > Hi, > > I'm trying to build a gcc cross-compiler from source, and whenever I invoke > make it results in an error. I'd appreciate any help! Feel free to request > any more details needed. > > Ubuntu 18.04.3 LTS > gcc-7.5.0 > autoconf-2.69 > > > ./configure options > --target=arm-none-eabi > --prefix=/usr/bin/crossbuild > --without-headers > --enable-multilib > --with-multilib=armv7e-m > --with-gnu-as > --with-gnu-ld > --with-dwarf2 > --with-newlib > --with-system-zlib > --without-libffi > --disable-decimal-float > --disable-nls > --enable-languages="c,c++" > --enable-interwork > --disable-libstdcxx-pch > --with-newlib > > > make all > configure: WARNING: No native atomic operations are provided for this platform. > configure: WARNING: They cannot be faked when thread support is disabled. > configure: WARNING: Thread-safety of certain classes is not guaranteed. > . > . > . > configure: WARNING: stdbool.h: present but cannot be compiled > configure: WARNING: stdbool.h: check for missing prerequisite headers? > configure: WARNING: stdbool.h: see the Autoconf documentation > configure: WARNING: stdbool.h: section "Present But Cannot Be Compiled" > configure: WARNING: stdbool.h: proceeding with the compiler's result > checking for stdbool.h... no > checking stdalign.h usability... no > checking stdalign.h presence... yes > configure: WARNING: stdalign.h: present but cannot be compiled > configure: WARNING: stdalign.h: check for missing prerequisite headers? > configure: WARNING: stdalign.h: see the Autoconf documentation > configure: WARNING: stdalign.h: section "Present But Cannot Be Compiled" > configure: WARNING: stdalign.h: proceeding with the compiler's result > checking for stdalign.h... no > checking for the value of EOF... configure: error: computing EOF failed > Makefile:10307: recipe for target 'configure-target-libstdc++-v3' failed > make[1]: *** [configure-target-libstdc++-v3] Error 1 > make[1]: Leaving directory '/home/metaw1ll/crossbuild/tivac/gcc' > Makefile:889: recipe for target 'all' failed > make: *** [all] Error 2 > Use a separate build area from your sources. Building inside the source tree is not supported. R.