[Buildroot] [Bug 15709] New: Building BR2_PACKAGE_LIBOPENSSL_BIN=y broken with defconfig bootlin-armv7m-uclibc

[Buildroot] [Bug 15709] New: Building BR2_PACKAGE_LIBOPENSSL_BIN=y broken with defconfig bootlin-armv7m-uclibc

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=15709

            Bug ID: 15709
           Summary: Building BR2_PACKAGE_LIBOPENSSL_BIN=y broken with
                    defconfig bootlin-armv7m-uclibc
           Product: buildroot
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
          Assignee: unassigned@buildroot.uclibc.org
          Reporter: bernd@kuhls.net
                CC: buildroot@uclibc.org
  Target Milestone: ---

Created attachment 9628
  --> https://bugs.busybox.net/attachment.cgi?id=9628&action=edit
defconfig

/home/bernd/buildroot/br4/output/per-package/libopenssl/host/opt/ext-toolchain/arm-buildroot-uclinux-uclibcgnueabi/bin/ld.real:
./libcrypto.a(libcrypto-lib-threads_pthread.o): in function `CRYPTO_atomic_or':
threads_pthread.c:(.text+0xf6): undefined reference to `__atomic_is_lock_free'
/home/bernd/buildroot/br4/output/per-package/libopenssl/host/opt/ext-toolchain/arm-buildroot-uclinux-uclibcgnueabi/bin/ld.real:
threads_pthread.c:(.text+0x106): undefined reference to `__atomic_fetch_or_8'
/home/bernd/buildroot/br4/output/per-package/libopenssl/host/opt/ext-toolchain/arm-buildroot-uclinux-uclibcgnueabi/bin/ld.real:
./libcrypto.a(libcrypto-lib-threads_pthread.o): in function
`CRYPTO_atomic_load':
threads_pthread.c:(.text+0x158): undefined reference to `__atomic_is_lock_free'
/home/bernd/buildroot/br4/output/per-package/libopenssl/host/opt/ext-toolchain/arm-buildroot-uclinux-uclibcgnueabi/bin/ld.real:
threads_pthread.c:(.text+0x162): undefined reference to `__atomic_load_8'

The toolchain contains libatomic
$ find
output/per-package/libopenssl/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/
| grep atomic
output/per-package/libopenssl/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/lib/libatomic.la
output/per-package/libopenssl/host/arm-buildroot-uclinux-uclibcgnueabi/sysroot/lib/libatomic.a

Adding -latomic to the openssl configure script fixes the build error.

BR2_TOOLCHAIN_HAS_LIBATOMIC is not enabled:

$ grep ATOMIC .config
BR2_TOOLCHAIN_SUPPORTS_ALWAYS_LOCKFREE_ATOMIC_INTS=y
BR2_TOOLCHAIN_HAS_ATOMIC=y
BR2_PACKAGE_PULSEAUDIO_HAS_ATOMIC=y
BR2_PACKAGE_LIBATOMIC_OPS_ARCH_SUPPORTS=y
# BR2_PACKAGE_LIBATOMIC_OPS is not set

The reason why buildroot does not enable BR2_TOOLCHAIN_HAS_LIBATOMIC is the
binfmt used:

$ grep BINFMT .config
BR2_BINFMT_FLAT=y
BR2_BINFMT_FLAT_ONE=y
# BR2_BINFMT_FLAT_SEP_DATA is not set

which leads to BR2_TOOLCHAIN_HAS_LIBATOMIC not being enabled:
https://git.busybox.net/buildroot/tree/toolchain/Config.in#n851

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[Buildroot] [Bug 15709] Building BR2_PACKAGE_LIBOPENSSL_BIN=y broken with defconfig bootlin-armv7m-uclibc

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=15709

--- Comment #1 from Bernd Kuhls <bernd@kuhls.net> ---
The same error occurs with the defconfig bootlin-m68k-5208-uclibc.

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[Buildroot] [Bug 15709] Building BR2_PACKAGE_LIBOPENSSL_BIN=y broken with defconfig bootlin-armv7m-uclibc

[bugzilla]

https://bugs.busybox.net/show_bug.cgi?id=15709

Yann E. MORIN <yann.morin.1998@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |yann.morin.1998@free.fr
         Resolution|---                         |MOVED

--- Comment #2 from Yann E. MORIN <yann.morin.1998@free.fr> ---
Thank you for your report.

The issue tracker for the Buildroot project has been moved to
the Gitlab.com issue tracker:
    https://gitlab.com/buildroot.org/buildroot/-/issues

We are taking this opportunity to close old issues in this old
tracker. If you believe your issue is still relevant, please
open one in the new issue tracker.

Thank you!

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