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<a href="https://gitlab.rtems.org/somil">Somil Gupta</a> created an issue: <a href="https://gitlab.rtems.org/rtems/pkg/rtems-libbsd/-/issues/77">#77</a>
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<h2 id="user-content-summary" dir="auto" style="margin-top: 0; margin-bottom: 10px;" align="initial">Summary<a href="#summary" aria-label="Link to heading 'Summary'" data-heading-content="Summary" class="anchor" style="margin-top: 0;"></a>
</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Building <strong style="font-weight: 600; margin-top: 0;">rtems-libbsd</strong> for the BSP arm/realview_pbx_a9_qemu fails due to conflicting module symbols related to the SMC network driver.</p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">The problem appears to involve both the driver implementation (if_smc.c) and the RTEMS nexus attachment (if_smc_nexus.c). When both files are built, the linker reports duplicate symbols.</p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Here is the exact error :</p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">[2346/2403] Compiling testsuite/vme01/test_main.c [2347/2403] Compiling testsuite/zerocopy01/test_main.c [2348/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/arphole.exe [2349/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/cdev01.exe [2350/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/commands01.exe [2351/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/condvar01.exe [2352/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/crypto01.exe [2353/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/debugger01.exe [2354/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/dhcpcd01.exe [2355/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/dhcpcd02.exe [2356/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/epoch01.exe [2357/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/evdev01.exe [2358/2403] Linking build/arm-rtems7-realview_pbx_a9_qemu-default/foobarclient.exe /home/somil/quick-start/rtems/7/lib/gcc/arm-rtems7/15.2.0/../../../../arm-rtems7/bin/ld: ./libbsd.a(if_smc.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../freebsd/sys/dev/smc/if_smc.c:497: multiple definition of `_bsd_miibus_smcmodule_sys_init'; ./libbsd.a(if_smc_nexus.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../rtemsbsd/sys/dev/smc/if_smc_nexus.c:87: first defined here collect2: error: ld returned 1 exit status</code></p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">/home/somil/quick-start/rtems/7/lib/gcc/arm-rtems7/15.2.0/../../../../arm-rtems7/bin/ld: ./libbsd.a(if_smc.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../freebsd/sys/dev/smc/if_smc.c:497: multiple definition of `_bsd_miibus_smcmodule_sys_init'; ./libbsd.a(if_smc_nexus.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../rtemsbsd/sys/dev/smc/if_smc_nexus.c:87: first defined here collect2: error: ld returned 1 exit status</code></p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">/home/somil/quick-start/rtems/7/lib/gcc/arm-rtems7/15.2.0/../../../../arm-rtems7/bin/ld: ./libbsd.a(if_smc.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../freebsd/sys/dev/smc/if_smc.c:497: multiple definition of `_bsd_miibus_smcmodule_sys_init'; ./libbsd.a(if_smc_nexus.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../rtemsbsd/sys/dev/smc/if_smc_nexus.c:87: first defined here collect2: error: ld returned 1 exit status</code></p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">/home/somil/quick-start/rtems/7/lib/gcc/arm-rtems7/15.2.0/../../../../arm-rtems7/bin/ld: ./libbsd.a(if_smc.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../freebsd/sys/dev/smc/if_smc.c:497: multiple definition of `_bsd_miibus_smcmodule_sys_init'; ./libbsd.a(if_smc_nexus.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../rtemsbsd/sys/dev/smc/if_smc_nexus.c:87: first defined here collect2: error: ld returned 1 exit status</code></p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">/home/somil/quick-start/rtems/7/lib/gcc/arm-rtems7/15.2.0/../../../../arm-rtems7/bin/ld: ./libbsd.a(if_smc.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../freebsd/sys/dev/smc/if_smc.c:497: multiple definition of `_bsd_miibus_smcmodule_sys_init'; ./libbsd.a(if_smc_nexus.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../rtemsbsd/sys/dev/smc/if_smc_nexus.c:87: first defined here collect2: error: ld returned 1 exit status</code></p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">/home/somil/quick-start/rtems/7/lib/gcc/arm-rtems7/15.2.0/../../../../arm-rtems7/bin/ld: ./libbsd.a(if_smc.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../freebsd/sys/dev/smc/if_smc.c:497: multiple definition of `_bsd_miibus_smcmodule_sys_init'; ./libbsd.a(if_smc_nexus.c.22.o):/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default/../../rtemsbsd/sys/dev/smc/if_smc_nexus.c:87: first defined here collect2: error: ld returned 1 exit status</code></p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">Waf: Leaving directory `/home/somil/quick-start/src/rtems-libbsd/build/arm-rtems7-realview_pbx_a9_qemu-default' Build failed -> task in 'arphole.exe' failed with exit status 1 (run with -v to display more information) -> task in 'dhcpcd01.exe' failed with exit status 1 (run with -v to display more information) -> task in 'debugger01.exe' failed with exit status 1 (run with -v to display more information) -> task in 'dhcpcd02.exe' failed with exit status 1 (run with -v to display more information) -> task in 'evdev01.exe' failed with exit status 1 (run with -v to display more information) -> task in 'foobarclient.exe' failed with exit status 1 (run with -v to display more information)</code></p>
<h2 id="user-content-steps-to-reproduce" dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">Steps to reproduce<a href="#steps-to-reproduce" aria-label="Link to heading 'Steps to reproduce'" data-heading-content="Steps to reproduce" class="anchor" style="margin-top: 0;"></a>
</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Build rtems-libbsd for realview_pbx_a9_qemu bsp</p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">./waf configure --prefix="$HOME/quick-start/rtems/7" <br style="margin-top: 0;">
--rtems-bsps=arm/realview_pbx_a9_qemu</p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">./waf</p>
<p dir="auto" style="color: #3a383f; margin: 0;" align="initial">./waf install</p>
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