<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/95615>95615</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [libc] Failed to bootstrap cross build libc on `riscv32-baremetal-unknown`
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            libc
      </td>
    </tr>

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

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

<pre>
    Using the commit: a5985ca51dd7e0759d65fac9cb2b6a4448ebc404

How to reproduce:
```cmd
$ cmake ../llvm \
   -G Ninja \
 -DLLVM_ENABLE_PROJECTS=clang \
   -DLLVM_ENABLE_RUNTIMES=libc \
 -DLLVM_LIBC_FULL_BUILD=ON \
 -DLLVM_RUNTIME_TARGETS=riscv32-baremetal-unknown \
 -DCMAKE_BUILD_TYPE=Release \
 -DLLVM_TARGETS_TO_BUILD="host;RISCV"

$ ninja libc
```
gcc version:
```
$ gcc --version
gcc (SUSE Linux) 12.3.0
Copyright (C) 2022 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
```

Error message:
```
In file included from /tmp/llvm-project/libc/src/stdio/baremetal/putchar.cpp:9:
/tmp/llvm-project/libc/src/stdio/putchar.h:12:10: fatal error: 'stdio.h' file not found
   12 | #include <stdio.h>
 |          ^~~~~~~~~
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJyUVE2PozgQ_TXOpRQEBvJx4EAIzGQnnbQSMtKcImOK4BnAkW26ty_721cGpnt6evawKLJU9nvPqVflYlqLW4cYkXBDwu2M9aaWKvrSK8RZIcuX6KJFdwNTI3DZtsIQPwYWrlchZ6FXlkt0l-G6XIQV42te0GLBgiBYYcEDNyDulrjxuH6Wz2AkKLwrWfYciT8dkIU7_nhbTjs0AN6yHwiOQ2jWNE8tkDAZDwFg_gkOovvOftmcb_f7rw_X9BBv9un18XT8K03yM_G3vGHd7T37HfR0OeS7h9RCG1Hwj5L73Sa5Zpf9_rq57PZb4m-Ph4-oSeaax6dP6XCxEpo_-XReMIUtGtbM--5HJ5-7d-TkIf6SjsrX_NtjSvztCRtkGj_eMWlf8-PrXyGU1lIb4m9Ou3PylVD6q-XWx24wyqb2m9tjeOMcnlBpIbuPBXlTsbD5_CfwlUno6nw5p7AXXf83oWvwqOM7Ey-R9xclbrWxsMSeUpdSyBQinGVlnplCyGTflcxYVZrAruPOSM5roUFoqCxaT2jib0AjDs2oZa84QiUVcHl_sT3KZVcKK6UdgLxGhVbhcBwVn5lSrDMvVqSTBvAJu4H-kJ6Sz_Ehjze7_S7_BlJBtssP6fkM2fEEMTzGp3yXXPbxCR4vp8fjOXX-bNSwpkpJBS1qzW5_aPIx3HVQiQZBdLzpSyyhUrIFQjPT3qeOn9-V_I7c2NBWj2ZaDasphSQ0e-0rQrN7b3jNlMPvd-LH67db_4_gT5Ga-LFH7eLat14xwxpAm5UNCV0OBKcmdDkmYd2sbB1fn5hHgSwTINSfEgTiJz9pfjrhLOT1I2H6z_T95tisjPxy7a_ZDCNv6a0C1w-9cFZHoYcMy4Diolr4PMQgRCwqzvjSd10M3ZmIqEsDd-EFlHorP3T8gLp8zasw9Ci6dEUCF1smGsf640h1mwmte4zW4cILZw0rsNHDZKR0tIzaGamiwc6iv2kSuI3QRr8JGGGaYZoOhHALGRMNlnb0FVIabRS7A1dSayh60ZTD0wTZAVm4_zkyrAu9aqLamLu21aUZodlNmLovHC7bqcIfCz2kownNxoyeIvpvAAAA___wdsDq">