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Date: Thu, 27 Jul 2023 01:03:39 -0700 (PDT)
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Subject: Build gnat for cross building from x86_64 to armv7 with OS runtime.
From: Nick Kostyria <kostirya@gmail.com>
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Xref: news.eternal-september.org comp.lang.ada:65458
List-Id: <comp.lang.ada>

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.=20
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/d=
evel/freebsd-gnat12/work-armv7/.build/./gcc/ -B/usr/local/gnat12/armv7-gnue=
abi-freebsd13.1/bin/ -B/usr/local/gnat12/armv7-gnueabi-freebsd13.1/lib/ -is=
ystem /usr/local/gnat12/armv7-gnueabi-freebsd13.1/include -isystem /usr/loc=
al/gnat12/armv7-gnueabi-freebsd13.1/sys-include --sysroot=3D/usr/local/free=
bsd-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/.bu=
ild/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 aar=
ch64?

./configure --target=3Darmv7-gnueabi-freebsd13.1 --disable-nls --enable-lan=
guages=3D"c,ada" \
                --enable-gnu-indirect-function  \
                --with-sysroot=3D"/" \
                --with-build-sysroot=3D"/usr/local/freebsd-sysroot/armv7" \
                --with-as=3D/usr/local/bin/arm-gnueabi-freebsd13.1-as      =
\
                --with-ld=3D/usr/local/bin/arm-gnueabi-freebsd13.1-ld      =
\
                --enable-threads=3Dposix  \
                --disable-libquadmath   \
                --enable-host-shared    \
                --disable-libmudflap    \
                --with-system-zlib      \
                --disable-libgomp       \
                --disable-libssp        \
                --enable-libada         \
                --without-zstd

Thanks.