<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/86530>86530</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            18.1.2 [flang]: docs-flang-html target fails
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            flang
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          kloczek
      </td>
    </tr>
</table>

<pre>
    Looks like rendering `flang` documentations using `docs-flang-html` target fails
```console
+ /usr/bin/cmake --build x86_64-redhat-linux-gnu -j48 --verbose --target docs-flang-html
Change Dir: '/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu'

Run Build Command(s): /usr/bin/cmake -E env VERBOSE=1 /usr/bin/gmake -f Makefile -j48 docs-flang-html
/usr/bin/cmake -S/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src -B/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu --check-build-system CMakeFiles/Makefile.cmake 0
/usr/bin/gmake  -f CMakeFiles/Makefile2 docs-flang-html
gmake[1]: Entering directory '/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu'
/usr/bin/cmake -S/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src -B/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu --check-build-system CMakeFiles/Makefile.cmake 0
/usr/bin/cmake -E cmake_progress_start /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/CMakeFiles 0
/usr/bin/gmake  -f CMakeFiles/Makefile2 docs/CMakeFiles/docs-flang-html.dir/all
gmake[2]: Entering directory '/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu'
/usr/bin/gmake -f docs/CMakeFiles/gen-FlangCommandLineReference.rst.dir/build.make docs/CMakeFiles/gen-FlangCommandLineReference.rst.dir/depend
/usr/bin/gmake -f include/flang/Optimizer/Dialect/CMakeFiles/FIRLangRefDocGen.dir/build.make include/flang/Optimizer/Dialect/CMakeFiles/FIRLangRefDocGen.dir/depend
gmake[3]: Entering directory '/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu'
cd /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/include/flang/Optimizer/Dialect /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/include/flang/Optimizer/Dialect /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/include/flang/Optimizer/Dialect/CMakeFiles/FIRLangRefDocGen.dir/DependInfo.cmake "--color="
gmake[3]: Entering directory '/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu'
cd /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/docs /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/docs /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/docs/CMakeFiles/gen-FlangCommandLineReference.rst.dir/DependInfo.cmake "--color="
gmake[3]: Leaving directory '/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu'
/usr/bin/gmake -f include/flang/Optimizer/Dialect/CMakeFiles/FIRLangRefDocGen.dir/build.make include/flang/Optimizer/Dialect/CMakeFiles/FIRLangRefDocGen.dir/build
gmake[3]: Leaving directory '/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu'
/usr/bin/gmake -f docs/CMakeFiles/gen-FlangCommandLineReference.rst.dir/build.make docs/CMakeFiles/gen-FlangCommandLineReference.rst.dir/build
gmake[3]: Entering directory '/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu'
gmake[3]: Entering directory '/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu'
Building FIRLangRef.md...
cd /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/include/flang/Optimizer/Dialect && /usr/bin/mlir-tblgen -gen-op-doc -I/home/tkloczko/rpmbuild/BUILD/mlir-18.1.2.src/x86_64-redhat-linux-gnu/include -I /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/include/flang/Optimizer/Dialect -I/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/include -I/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/include -I/usr/include -I/usr/include -I/usr/include /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/include/flang/Optimizer/Dialect/FIROps.td --write-if-changed -o /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/include/flang/Optimizer/Dialect/FIRLangRef.md
Building Source/FlangCommandLineReference.rst...
cd /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/docs && /usr/bin/mlir-tblgen -gen-opt-docs -I /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/docs -I/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/include -I/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/include -I/usr/include -I/usr/include -I/usr/include -I/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/docs -I/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/docs/../../clang/include/clang/Driver/ /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/docs/FlangOptionsDocs.td --write-if-changed -o /home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu/docs/Source/FlangCommandLineReference.rst
mlir-tblgen: Unknown command line argument '-gen-opt-docs'.  Try: '/usr/bin/mlir-tblgen --help'
mlir-tblgen: Did you mean '--gen-op-doc'?
gmake[3]: *** [docs/CMakeFiles/gen-FlangCommandLineReference.rst.dir/build.make:122: docs/Source/FlangCommandLineReference.rst] Error 1
gmake[3]: Leaving directory '/home/tkloczko/rpmbuild/BUILD/flang-18.1.2.src/x86_64-redhat-linux-gnu'
````
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsWV9P67gT_TTui-UocZrQPuSB3pCfkPgJCZZ9RYk9TX3r2JXtcOF--pWTlD_dggqll97dlaqCosnMnJlzPNOktFbUCiBDyQwl-ahs3UKbbCk1-wnLUaX5Q3ah9dJiKZaADSgORqgaozScy1LVKA0x16xtQLnSCa0sbu1gwDWzpLMiC9dIb-pKU4PD81JIi8IchacoDfsP08pqCcNVOsOIFq01iBaVUIgWrCmXgAmpWiE5vp-kt-mYGOCL0hEpVHtPatVi8n08wYTcgam09eZDxM1cuijfFqWqAefCoPgUI3qCaLHQDSBauK4ES41oYVZNFxPRYnZzfpEjWvSOokkQBTSwhiFavJKQd9oj6r6vWoVnHYBvumlKxRGdWESnffxteM8wqDv859nV7PL6DMV5tGlX93Zz_P9yCXMhoa_BVsDbQ1x_FDYms8-vGCaELYAt-0YT-2AdNPibR1cICRbRYo006AGEW8H1dfGF2Xov3V6h7i6UzCKU5L4pZ8r1hOfCAHPaPByaJ_-iFj1SvPvndmV0bcDaW-tK4_Ahilw8JbkPbV44QrTYoFLAhXdYyg1S0SMh1eORsQ1LDYoUPsRwQl0IBVcwBwOKQWCsG9B1aQWdp33ccFiB4m-nKRSTLYc1dkSLy5UTjfgJ3jgXpQTmNhMozq8uSlVfwTzX7H-g_p72Z7p9DmPd7vir2s34AcSDEU0RTV8dU72G-zpYjCi9UeL-cShZROmHk9oHzU5NPky5DnB8fRWaXUPvqJa8Y8m5muthPiBKCWFaaoPiHFH6n5COTkj-kP9tdHKgZAfPH511H6T9BZR3x7At_AZjuEd_1FU8gp3rjSr98iP2yxPofo77gE-UChoeBMEBR8A7Jvm2UdFIYYirZA0KE990vSJcM0zOd0218_C-TDE5P_wetjuC10Ps52SXOjy2432XDl29_li8XNnAcUzIDyMcEDEnrHvMxTHRX7sZvhDYhviudWuYd_H2-XVoVQ57w46ic6Sz308Yg4t_MO_3ymv_8gyTMgjWX2xg6RNv11dyI-460u7b0DWRvRC0srlmv1qUQxa76aoX1TOG-0l8o5ZK_1CY9TdhKRTg0tTds34_lF-oANGTAOM_zMPTo_RX1UMWIFePA3gjbC44ftAtbqBUXZRnE87fExfbFwdET_sPRsnsc5YsFJ9GlHrn76tmkuMzY7TB0ZGsout3LCgNRzyL-TSeliPIopMoiidJkqajRZbSNK7GEaumrEpYFSbhpJxEdBpSHk7GEI9ERkM6DmOaRGlCx1FQsZjyCU2nFZwwPuZoHEJTChlIedcE2tQjYW0L2SRN4nAkywqk7V40UToMCoqSfGQyb0-qtrZoHEphnX3y4ISTkPVofWP7G_sybjx1ffFyadQamS2cW1kU-1Xc91-4RVsFTDeIFj7A8IesjP7eT6guX9_oLuW_AgAA__90H7Vz">