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try_compile: Report underlying error when COPY_FILE fails

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This commit is contained in:
Brad King
2023-01-16 11:08:47 -05:00
parent 0418efb7ad
commit 65ed5c2ca8
1 changed files with 25 additions and 13 deletions
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38
Source/cmCoreTryCompile.cxx
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@@ -1099,23 +1099,35 @@ cm::optional<cmTryCompileResult> cmCoreTryCompile::TryCompileCode(
if ((res == 0) && arguments.CopyFileTo) { if ((res == 0) && arguments.CopyFileTo) {
std::string const& copyFile = *arguments.CopyFileTo; std::string const& copyFile = *arguments.CopyFileTo;
if (this->OutputFile.empty() || cmsys::SystemTools::CopyStatus status =
!cmSystemTools::CopyFileAlways(this->OutputFile, copyFile)) { cmSystemTools::CopyFileAlways(this->OutputFile, copyFile);
std::ostringstream emsg; if (!status) {
/* clang-format off */ std::string err = status.GetString();
emsg << "Cannot copy output executable\n" switch (status.Path) {
<< " '" << this->OutputFile << "'\n" case cmsys::SystemTools::CopyStatus::SourcePath:
<< "to destination specified by COPY_FILE:\n" err = cmStrCat(err, " (input)");
<< " '" << copyFile << "'\n"; break;
/* clang-format on */ case cmsys::SystemTools::CopyStatus::DestPath:
if (!this->FindErrorMessage.empty()) { err = cmStrCat(err, " (output)");
emsg << this->FindErrorMessage; break;
default:
break;
} }
/* clang-format off */
err = cmStrCat(
"Cannot copy output executable\n",
" '", this->OutputFile, "'\n",
"to destination specified by COPY_FILE:\n",
" '", copyFile, "'\n",
"because:\n",
" ", err, "\n",
this->FindErrorMessage);
/* clang-format on */
if (!arguments.CopyFileError) { if (!arguments.CopyFileError) {
this->Makefile->IssueMessage(MessageType::FATAL_ERROR, emsg.str()); this->Makefile->IssueMessage(MessageType::FATAL_ERROR, err);
return cm::nullopt; return cm::nullopt;
} }
copyFileErrorMessage = emsg.str(); copyFileErrorMessage = std::move(err);
} }
} }