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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) {
std::string const& copyFile = *arguments.CopyFileTo;
if (this->OutputFile.empty() ||
!cmSystemTools::CopyFileAlways(this->OutputFile, copyFile)) {
std::ostringstream emsg;
/* clang-format off */
emsg << "Cannot copy output executable\n"
<< " '" << this->OutputFile << "'\n"
<< "to destination specified by COPY_FILE:\n"
<< " '" << copyFile << "'\n";
/* clang-format on */
if (!this->FindErrorMessage.empty()) {
emsg << this->FindErrorMessage;
cmsys::SystemTools::CopyStatus status =
cmSystemTools::CopyFileAlways(this->OutputFile, copyFile);
if (!status) {
std::string err = status.GetString();
switch (status.Path) {
case cmsys::SystemTools::CopyStatus::SourcePath:
err = cmStrCat(err, " (input)");
break;
case cmsys::SystemTools::CopyStatus::DestPath:
err = cmStrCat(err, " (output)");
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) {
this->Makefile->IssueMessage(MessageType::FATAL_ERROR, emsg.str());
this->Makefile->IssueMessage(MessageType::FATAL_ERROR, err);
return cm::nullopt;
}
copyFileErrorMessage = emsg.str();
copyFileErrorMessage = std::move(err);
}
}