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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - flang --help should document external compiler requirement and F18_FC"
href="https://bugs.llvm.org/show_bug.cgi?id=46021">46021</a>
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<th>Summary</th>
<td>flang --help should document external compiler requirement and F18_FC
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<th>Product</th>
<td>flang
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<th>Version</th>
<td>trunk
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>Linux
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Frontend
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>balay@mcs.anl.gov
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<th>CC</th>
<td>David.Truby@arm.com, jperier@nvidia.com, kirankumartp@gmail.com, llvm-bugs@lists.llvm.org, sscalpone@nvidia.com
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<pre>Currently flang automatically invokes pgf90 - and fails if not found
[balay@pj01 junk]$ flang sizeof-ftn.f
execvp(pgf90) failed: No such file or directory
Perhaps this external compiler requirement should be documented in --help -
with the suggestion to use 'export F18_FC=gfortran' to switch to gfortran?</pre>
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