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<a href="https://gitlab.com/Doekin">Doekin</a> created an issue: <a href="https://gitlab.com/gnutls/gnutls/-/issues/1690">#1690</a>
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<h2 dir="auto" style="margin-top: 0; margin-bottom: 10px;" align="initial">
<a href="#description-of-problem" aria-hidden="true" class="anchor" id="user-content-description-of-problem" style="margin-top: 0; margin-left: -20px; text-decoration: none; outline: none; position: absolute; width: 20px;"></a>Description of problem:</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">When building the shared <code style='font-size: 90%; color: #18171d; word-wrap: break-word; border-radius: .25rem; background-color: #ececef; margin-top: 0; font-weight: inherit; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;'>gnutls-openssl</code> library with Clang and <code style='font-size: 90%; color: #18171d; word-wrap: break-word; border-radius: .25rem; background-color: #ececef; font-weight: inherit; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;'>CFLAGS</code> that override the default <code style='font-size: 90%; color: #18171d; word-wrap: break-word; border-radius: .25rem; background-color: #ececef; font-weight: inherit; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;'>-g -O2</code> but don't set an optimization level (effectively compiling with <code style='font-size: 90%; color: #18171d; word-wrap: break-word; border-radius: .25rem; background-color: #ececef; font-weight: inherit; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;'>-O0</code>), linking fails with the following error:</p>
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<pre class="code highlight js-syntax-highlight language-plaintext" v-pre="true" style='display: block; font-size: 14px; color: #3a383f; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; 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: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 1rem; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; border-radius: .25rem; background-color: inherit; white-space: pre; margin-top: 0; 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; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">/usr/bin/ld: ../extra/.libs/libgnutls-openssl.so: undefined reference to `_gnutls_lib_state'</span></code></pre>
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<h2 dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">
<a href="#version-of-gnutls-used" aria-hidden="true" class="anchor" id="user-content-version-of-gnutls-used" style="margin-top: 0; margin-left: -20px; text-decoration: none; outline: none; position: absolute; width: 20px;"></a>Version of gnutls used:</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">3.8.9 from <a href="https://www.gnupg.org/ftp/gcrypt/gnutls/v3.8/" rel="nofollow noreferrer noopener" target="_blank" style="margin-top: 0;">https://www.gnupg.org/ftp/gcrypt/gnutls/v3.8/</a></p>
<h2 dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">
<a href="#steps-to-reproduce" aria-hidden="true" class="anchor" id="user-content-steps-to-reproduce" style="margin-top: 0; margin-left: -20px; text-decoration: none; outline: none; position: absolute; width: 20px;"></a>Steps to Reproduce:</h2>
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<p style="color: #3a383f; margin: 0 0 1rem;">Set environment variables:</p>
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<pre class="code highlight js-syntax-highlight language-plaintext" v-pre="true" style='display: block; font-size: 14px; color: #3a383f; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; 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: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 1rem; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; border-radius: .25rem; background-color: inherit; white-space: pre; margin-top: 0; 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; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">export CC="/usr/bin/clang"</span>
<span id="LC2" class="line" lang="plaintext">export CFLAGS="-m64"</span></code></pre>
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<p style="color: #3a383f; margin: 0 0 1rem;">Configure:</p>
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<pre class="code highlight js-syntax-highlight language-plaintext" v-pre="true" style='display: block; font-size: 14px; color: #3a383f; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; 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: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 1rem; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; border-radius: .25rem; background-color: inherit; white-space: pre; margin-top: 0; 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; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">./configure --disable-doc --disable-nls --with-tpm2=no --with-idn --with-brotli --with-zstd --enable-openssl-compatibility --with-default-trust-store-pkcs11=pkcs11: --enable-shared=yes --with-pic --disable-dependency-tracking</span></code></pre>
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<p style="color: #3a383f; margin: 0 0 1rem;">Attempt to build:</p>
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<pre class="code highlight js-syntax-highlight language-plaintext" v-pre="true" style='display: block; font-size: 14px; color: #3a383f; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; 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: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 1rem; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; border-radius: .25rem; background-color: inherit; white-space: pre; margin-top: 0; 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; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">make check</span></code></pre>
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<h2 dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">
<a href="#actual-results" aria-hidden="true" class="anchor" id="user-content-actual-results" style="margin-top: 0; margin-left: -20px; text-decoration: none; outline: none; position: absolute; width: 20px;"></a>Actual results:</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">The test fails with the following error:</p>
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<pre class="code highlight js-syntax-highlight language-plaintext" v-pre="true" style='display: block; font-size: 14px; color: #3a383f; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; 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: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 1rem; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; border-radius: .25rem; background-color: inherit; white-space: pre; margin-top: 0; 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; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">make[3]: 'pkcs11-obj-raw' is up to date.</span>
<span id="LC2" class="line" lang="plaintext">make[3]: 'pkcs11-import-url-privkey-caps' is up to date.</span>
<span id="LC3" class="line" lang="plaintext">make[3]: 'ocsp' is up to date.</span>
<span id="LC4" class="line" lang="plaintext">/bin/sh ../libtool --tag=CC --mode=link /usr/bin/clang -Wall -Wbad-function-cast -Wdate-time -Wdisabled-optimization -Wdouble-promotion -Wextra -Winit-self -Winvalid-pch -Wmissing-declarations -Wmissing-include-dirs -Wmissing-prototypes -Wnested-externs -Wnull-dereference -Wold-style-definition -Wpacked -Wpointer-arith -Wshadow -Wstrict-prototypes -Wuninitialized -Wunknown-pragmas -Wvariadic-macros -Wwrite-strings -Wformat=2 -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-format-truncation -fdiagnostics-show-option -fno-builtin-strcmp -m64 -no-install -o openssl openssl.o ../extra/libgnutls-openssl.la ../lib/libgnutls.la libutils.la -lseccomp -lrt </span>
<span id="LC5" class="line" lang="plaintext">libtool: link: /usr/bin/clang -Wall -Wbad-function-cast -Wdate-time -Wdisabled-optimization -Wdouble-promotion -Wextra -Winit-self -Winvalid-pch -Wmissing-declarations -Wmissing-include-dirs -Wmissing-prototypes -Wnested-externs -Wnull-dereference -Wold-style-definition -Wpacked -Wpointer-arith -Wshadow -Wstrict-prototypes -Wuninitialized -Wunknown-pragmas -Wvariadic-macros -Wwrite-strings -Wformat=2 -Wthread-safety -Wno-missing-field-initializers -Wno-unused-parameter -Wno-format-truncation -fdiagnostics-show-option -fno-builtin-strcmp -m64 -o openssl openssl.o ../extra/.libs/libgnutls-openssl.so ../lib/.libs/libgnutls.so ./.libs/libutils.a /run/media/leemu/D8C48579C4855B20/projects/gnutls-llvm/source/lib/.libs/libgnutls.so -lp11-kit -lidn2 -lunistring -ldl -ltasn1 -lhogweed -lnettle -lgmp -lseccomp -lrt -Wl,-rpath -Wl,/run/media/leemu/D8C48579C4855B20/projects/gnutls-llvm/source/extra/.libs -Wl,-rpath -Wl,/run/media/leemu/D8C48579C4855B20/projects/gnutls-llvm/source/lib/.libs -Wl,-rpath -Wl,/usr/local/lib</span>
<span id="LC6" class="line" lang="plaintext">/usr/bin/ld: ../extra/.libs/libgnutls-openssl.so: undefined reference to `_gnutls_lib_state'</span>
<span id="LC7" class="line" lang="plaintext">clang: error: linker command failed with exit code 1 (use -v to see invocation)</span>
<span id="LC8" class="line" lang="plaintext">make[3]: *** [Makefile:7885: openssl] Error 1</span>
<span id="LC9" class="line" lang="plaintext">make[3]: Leaving directory '/run/media/leemu/D8C48579C4855B20/projects/gnutls-llvm/source/tests'</span>
<span id="LC10" class="line" lang="plaintext">make[2]: *** [Makefile:13595: check-am] Error 2</span>
<span id="LC11" class="line" lang="plaintext">make[2]: Leaving directory '/run/media/leemu/D8C48579C4855B20/projects/gnutls-llvm/source/tests'</span>
<span id="LC12" class="line" lang="plaintext">make[1]: *** [Makefile:10111: check-recursive] Error 1</span>
<span id="LC13" class="line" lang="plaintext">make[1]: Leaving directory '/run/media/leemu/D8C48579C4855B20/projects/gnutls-llvm/source/tests'</span>
<span id="LC14" class="line" lang="plaintext">make: *** [Makefile:2922: check-recursive] Error 1</span></code></pre>
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<h2 dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">
<a href="#expected-results" aria-hidden="true" class="anchor" id="user-content-expected-results" style="margin-top: 0; margin-left: -20px; text-decoration: none; outline: none; position: absolute; width: 20px;"></a>Expected results:</h2>
<p dir="auto" style="color: #3a383f; margin: 0;" align="initial">The <code style='font-size: 90%; color: #18171d; word-wrap: break-word; border-radius: .25rem; background-color: #ececef; margin-top: 0; font-weight: inherit; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;'>gnutls-openssl</code> shared library should build successfully with Clang, even when compiled without optimization.</p>
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