<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/56820>56820</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [openmp] Test tasking/omp50_taskdep_depobj.c fails w/ standalone build unless openmp is installed first
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            openmp
      </td>
    </tr>

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

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

<pre>
    CC @jpeyton52

Looks to be a case of a missing `-I` flag:

```
FAIL: libomp :: tasking/omp50_taskdep_depobj.c (209 of 299)
******************** TEST 'libomp :: tasking/omp50_taskdep_depobj.c' FAILED ********************
Script:
--
: 'RUN: at line 1';   /usr/lib/ccache/bin/x86_64-pc-linux-gnu-clang -fno-experimental-isel -fopenmp   -I /tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp/runtime/test -L /tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp_build-abi_x86_64.amd64/runtime/src  -fno-omit-frame-pointer /tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp/runtime/test/tasking/omp50_taskdep_depobj.c -o /tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp_build-abi_x86_64.amd64/runtime/test/tasking/Output/omp50_taskdep_depobj.c.tmp && /tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp_build-abi_x86_64.amd64/runtime/test/tasking/Output/omp50_taskdep_depobj.c.tmp
--
Exit Code: 1

Command Output (stdout):
--
$ ":" "RUN: at line 1"
$ "/usr/lib/ccache/bin/x86_64-pc-linux-gnu-clang" "-fno-experimental-isel" "-fopenmp" "-I" "/tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp/runtime/test" "-L" "/tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp_build-abi_x86_64.amd64/runtime/src" "-fno-omit-frame-pointer" "/tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp/runtime/test/tasking/omp50_taskdep_depobj.c" "-o" "/tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp_build-abi_x86_64.amd64/runtime/test/tasking/Output/omp50_taskdep_depobj.c.tmp"
# command stderr:
/tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp/runtime/test/tasking/omp50_taskdep_depobj.c:8:10: fatal error: 'omp.h' file not found
#include <omp.h>
         ^~~~~~~
1 error generated.

error: command failed with exit status: 1

--

********************
```

FWICS the file is in:

```
/tmp/portage/sys-libs/libomp-15.0.0.9999/work/openmp_build-abi_x86_64.amd64/runtime/src/omp.h
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzNVl9vozgQ_zTwMgIZE0h44KGbJlKk6k7adrWPkQFD3IKNbHNtv_2OgaStsnu9bXe7lxjjP8PMb8Yz4ylU9Ziv1-AtyG3PH62SCfXIpUcupv5KqTsDVkHBgUHJDAdV46gTxgjZgJeSYIcd1C1rvPji-be4PLdxur3YXSEFtKJQXQ-OGGeWmTtk5NEtLiZk7-YV7_f4qOI2LMGjK0oyJ5VmmUezmTd9e4ObzfUN8l3-HBL8AJwOm0t4j_QJ_3WpRW9PBguCWS3EgXI-f_nLjZhFY0kOES558ScA3NsORmOP0LEvS1YeOA4KIbF_WKX7dBH0ZYCfDQ9BI4egbBkeU1BLFfCHnmvRcWlZGwjDW1xWPZdoAoBg55jbrse-V9qyxvE1jwZ5FWaSiHYJoiQk-M8ydxjbe6XvnMFGLjjQg7QowXHixkJw9W6m-2IQbRWwQuwn9ULWVenihSyjS5hUVJ2wQa1Zx4NeCWm5_vVauddrThuoD1H8DM7fg-0H-0NcoXXuTlNs_1t8LwNi8yAsrFXFXTxEz7PLWnUdkxVMLF2aMLZSjnl2HlZ0gQTUrVPqRucBRl9Svi3OZu7fj7bT5tGvpuluHvwGP50EXP0iAf8xEp_b4Dwcf5-yrwblEZj6QHu8KQCefDGGcvZy9G2u9dMF-yfsF1-s8ImIi5yaoVsDQlJ6vrPwo_Dg7shatBykslCrQVYnVYQs26HieNuuJ9J4M-3B8eclG2951kaaaBIFDZdcM8ur8HkqOME4WqtmiKGCe2EPwF0GMZbZwZzlkFN-eHdN8d2KZ657vu7W12APfLKMMIBJ5F8rpQ-L1O10Ei8x-DyP0iSjhNB06Vd5XGVxxnwrbMtzL_k0e1ByCTfujn_1LnSHYeAeCdwxyIq1ClPuCBEG2XJjYK5CRtMgTesOrxbaWH_QbX6wtjdj7t5ia_BQhyLEo3a2aP85voJeq1teOk_G2nTgzlRJirWjf8gJXyZFlEW8Tlm2qmlSkoTzJI1R0TIhld-ygrfGaYfRd8rPqKMvckooJcuYIO2SxGG1LGO2IisSV2QVLZZYOfMOVQwdiFDpxtf5iKcYGoObrTDWPG0yrJsbyUdLOv5ssAel865RWj76I_J8hP0N6SGAJQ">