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cross-compile error: undefined reference to `__atomic_load_8' #125269

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3.13bugs and security fixes3.14bugs and security fixesbuildThe build process and cross-buildtopic-free-threadingtype-bugAn unexpected behavior, bug, or error
@Lapshin

Description

@Lapshin

Bug report

Bug description:

Should not configure script check if-latomic is needed?

getting build error when cross-compile:

arm-linux-gnueabi-gcc -L/opt/zlib-arm-linux-gnueabi/lib -L/opt/xz-arm-linux-gnueabi/lib -L/opt/readline-arm-linux-gnueabi/lib -L/opt/libffi-arm-linux-gnueabi/lib -L/opt/libtirpc-arm-linux-gnueabi/lib -L/opt/libuuid-arm-linux-gnueabi/lib -L/opt/zlib-arm-linux-gnueabi/lib -L/opt/xz-arm-linux-gnueabi/lib -L/opt/readline-arm-linux-gnueabi/lib -L/opt/libffi-arm-linux-gnueabi/lib -L/opt/libtirpc-arm-linux-gnueabi/lib -L/opt/libuuid-arm-linux-gnueabi/lib   -Xlinker -export-dynamic -o Programs/_testembed Programs/_testembed.o -L. -lpython3.13 -lpthread -ldl  -lpthread -lutil                          -lm /root/x-tools/arm-linux-gnueabi/lib/gcc/arm-linux-gnueabi/13.2.0/../../../../arm-linux-gnueabi/bin/ld: ./libpython3.13.so: undefined reference to `__atomic_load_8'/root/x-tools/arm-linux-gnueabi/lib/gcc/arm-linux-gnueabi/13.2.0/../../../../arm-linux-gnueabi/bin/ld: ./libpython3.13.so: undefined reference to `__atomic_store_8'/root/x-tools/arm-linux-gnueabi/lib/gcc/arm-linux-gnueabi/13.2.0/../../../../arm-linux-gnueabi/bin/ld: ./libpython3.13.so: undefined reference to `__atomic_fetch_add_8'/root/x-tools/arm-linux-gnueabi/lib/gcc/arm-linux-gnueabi/13.2.0/../../../../arm-linux-gnueabi/bin/ld: ./libpython3.13.so: undefined reference to `__atomic_compare_exchange_8'collect2: error: ld returned 1 exit status

configure cmd line:

./configure --prefix=/opt/python-arm-linux-gnueabi-3.13.0 --host=arm-linux-gnueabi --target=arm-linux-gnueabi --build=x86_64-linux-gnu --disable-ipv6 ac_cv_file__dev_ptmx=no ac_cv_file__dev_ptc=no  --enable-shared --with-openssl=/opt/openssl-arm-linux-gnueabi --with-build-python=/root/.pyenv/versions/3.13.0/bin/python

workaround

export LDFLAGS="-latomic$LDFLAGS"

CPython versions tested on:

3.13

Operating systems tested on:

Linux

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    3.13bugs and security fixes3.14bugs and security fixesbuildThe build process and cross-buildtopic-free-threadingtype-bugAn unexpected behavior, bug, or error

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