<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/127542>127542</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [flang][MacOS] warning messages in linking with libflang_rt.runtime.a
        </td>
    </tr>

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

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

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

<pre>
    ```
% cat print.f90
print *, 'hello world'
end

% flang print.f90
flang version 21.0.0git (git@github.com:kkwli/llvm-project.git 9d487050a144b895950a6fd48b993513a714e69d)
Target: arm64-apple-darwin23.6.0
Thread model: posix
InstalledDir: /Users/kelvin/wrk/llvm/build-new/bin

ld: warning: object file (/Users/kelvin/wrk/llvm/build-new/lib/libflang_rt.runtime.a[2](binary-to-decimal.cpp.o)) was built for newer 'macOS' version (14.7) than being linked (14.0)
ld: warning: object file (/Users/kelvin/wrk/llvm/build-new/lib/libflang_rt.runtime.a[3](decimal-to-binary.cpp.o)) was built for newer 'macOS' version (14.7) than being linked (14.0)
ld: warning: object file (/Users/kelvin/wrk/llvm/build-new/lib/libflang_rt.runtime.a[4](ISO_Fortran_binding.cpp.o)) was built for newer 'macOS' version (14.7) than being linked (14.0)
ld: warning: object file (/Users/kelvin/wrk/llvm/build-new/lib/libflang_rt.runtime.a[5](allocator-registry.cpp.o)) was built for newer 'macOS' version (14.7) than being linked (14.0)
ld: warning: object file (/Users/kelvin/wrk/llvm/build-new/lib/libflang_rt.runtime.a[8](assign.cpp.o)) was built for newer 'macOS' version (14.7) than being linked (14.0)
ld: warning: object file (/Users/kelvin/wrk/llvm/build-new/lib/libflang_rt.runtime.a[9](buffer.cpp.o)) was built for newer 'macOS' version (14.7) than being linked (14.0)
ld: warning: object file (/Users/kelvin/wrk/llvm/build-new/lib/libflang_rt.runtime.a[14](connection.cpp.o)) was built for newer 'macOS' version (14.7) than being linked (14.0)
ld: warning: object file (/Users/kelvin/wrk/llvm/build-new/lib/libflang_rt.runtime.a[17](derived.cpp.o)) was built for newer 'macOS' version (14.7) than being linked (14.0)
...
```

Here is the compile environment.
```
% uname -a
Darwin neutrino2.local 23.6.0 Darwin Kernel Version 23.6.0: Thu Dec 19 20:44:10 PST 2024; root:xnu-10063.141.1.703.2~1/RELEASE_ARM64_T6000 arm64

% sw_vers
ProductName:            macOS
ProductVersion:         14.7.4
BuildVersion:           23H420

% xcrun --show-sdk-path
/Library/Developer/CommandLineTools/SDKs/MacOSX15.2.sdk
```
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzcls2O2zYQx5-GvhAiqBEpWQcftHGEBEmaILsteltQ0thiTZEGSdnJpc9eUHJ2tx-XHtrDAoZNczSj-c3w469C0EeLuCPyjsj9Rs1xdH53Ol2N3nRu-L4jJb99eENA0l5FevbaRnao09wypgQaAm8ogWpEYxy9Om8GAhXhDdohua7eB6Ps8U_-68wFfdDOUsgZZ_yoU8TtUUci0p9x7ljvJlI0S2IEWmMuU3b27jfsI0uP14PYVlxylQvRbWtZS67KwyC2XV0XMi9UlQss64FATXjzoPwRIykaqvxUikydzwazQfmrtlCwkqXMHkaPaqCTG9CkR88u6G-EN-9tiMoYHPbap3kC7c8BfSDQntBctCXQXv3pliWBtpu1GTKL1zTWdq2GGZLvVXmr7TENXZdg6EEbTPD_KqrR3fq9VPPRR-ZnG_WETBF5B0TuCWw7bZX_nkWXDdjrSRnWn8_MpYpATa8q0BQy0oPz1OIVfWrnpPrP9wSqpw4R2OaCVckljsrSDrU9UqPtCYebka9F_h8Ji5XwxpUQV9jXQyhWwvf3nx9b56NX9rHTdtD2-HoY5cqojHG9is5nHo86xNfUxu0NcTl2Xw9WfTth5sMB_evBym-7rnfWYh-1e0Uty6sfZ6bXFxz-YzDGWLr2XmoJ3rxDj1QHGkekvZvOCRLtRXtnJ7Txbx4g6WzVhDRThDf75bamFufotXXA0qlh6Hp905v1A3qLhv7yQ16sd3vR0IdxpnvsaV5TSBNCkKLJOf1y_0CBgyDFHfXOJY3wzc5ZznlZsFzkLGcVLxj8nhNov779-La5f_vYfP1UiseHknO-CopnwROuj6lahDdfvBvmPv6kJiRFQ3hNeL1W9Ml2S_PJnIrLUrC71Na_WqF4J4A_v-pb72dLsyyM7pqF4ZSdVRwXW_tRd1757wTaPV7QuDN6Au0bN03KDh-1xQfnTFpV9_sP6edTyuvXXDJgYTi97MNm2BVDXdRqg7u8KuotyLoQm3F3kPWhg17VUIm-w5zXVXkQRT6UcqsQYKN3wEFyyCvgcisFEygxh1qWRVkK4JwIjpPShqW1zJw_bnQIM-5yqKSAjVEdmrAIVYBlSRNIymbjd4sa7OZjIIIbHWJ4DhF1NIu6XT3knsi7hY7I_Y-NRicMQR0xUG2X1ZvmrjqO9B83z2b2ZjfGeA6pFdASaF9o1Ket-FKiEmgXllTbG85lB38EAAD__1OKlIU">