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  • Build gnat for cross building from x86_64 to armv7 with OS runtime.

    From Nick Kostyria@21:1/5 to All on Thu Jul 27 01:03:39 2023
    Hello.
    I have gcc12 and gnat12 on x86_64 freebsd.
    I succeed build gnat for cross building to i386 and to aarch64.
    But I got error when i try to build for armv7.
    I do not want to build for SMT32 or other board on arm.
    I want to build for cross building to freebsd on armv7.

    Received error is:

    /usr/ports/devel/freebsd-gnat12/work-armv7/.build/./gcc/xgcc -B/usr/ports/devel/freebsd-gnat12/work-armv7/.build/./gcc/ -B/usr/local/gnat12/armv7-gnueabi-freebsd13.1/bin/ -B/usr/local/gnat12/armv7-gnueabi-freebsd13.1/lib/ -isystem /usr/local/gnat12/armv7-
    gnueabi-freebsd13.1/include -isystem /usr/local/gnat12/armv7-gnueabi-freebsd13.1/sys-include --sysroot=/usr/local/freebsd-sysroot/armv7 -c -g -O2 -W -Wall -gnatpg -nostdinc a-assert.adb -o a-assert.o
    fatal error, run-time library not installed correctly
    cannot locate file system.ads
    compilation abandoned
    gmake[7]: *** [../gcc-interface/Makefile:301: a-assert.o] Error 1
    gmake[7]: Leaving directory '/usr/ports/devel/freebsd-gnat12/work-armv7/.build/gcc/ada/rts'

    I suspect that there's a try to build with STM32 runtime. It's true?
    `

    What should I add to the configuration to get arm OS runtime, like with aarch64?

    ./configure --target=armv7-gnueabi-freebsd13.1 --disable-nls --enable-languages="c,ada" \
    --enable-gnu-indirect-function \
    --with-sysroot="/" \
    --with-build-sysroot="/usr/local/freebsd-sysroot/armv7" \
    --with-as=/usr/local/bin/arm-gnueabi-freebsd13.1-as \
    --with-ld=/usr/local/bin/arm-gnueabi-freebsd13.1-ld \
    --enable-threads=posix \
    --disable-libquadmath \
    --enable-host-shared \
    --disable-libmudflap \
    --with-system-zlib \
    --disable-libgomp \
    --disable-libssp \
    --enable-libada \
    --without-zstd

    Thanks.

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