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PCH: Use the target's PREFIX for building the pdb file name

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Also copy the REUSE_FROM pdb file only if the file is newer than the
existing one.

Fixes: #19731
Fixes: #20068
This commit is contained in:
Cristian Adam
2019-12-05 11:30:51 +01:00
parent a033bafbe0
commit 93becd61d1
4 changed files with 49 additions and 1 deletions
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18
Source/cmLocalGenerator.cxx
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@@ -2381,9 +2381,25 @@ void cmLocalGenerator::AddPchDependencies(cmGeneratorTarget* target)
target->GetLocalGenerator()->GetCurrentBinaryDirectory(), "/",
target->GetName(), ".dir/${PDB_PREFIX}");
file << "if (EXISTS \"" << from_file << "\")\n";
const std::string to_file =
cmStrCat(to_dir, pchReuseFrom, extension);
std::string dest_file = to_file;
const std::string prefix = target->GetSafeProperty("PREFIX");
if (!prefix.empty()) {
dest_file = cmStrCat(to_dir, prefix, pchReuseFrom, extension);
}
file << "if (EXISTS \"" << from_file << "\" AND \"" << from_file
<< "\" IS_NEWER_THAN \"" << dest_file << "\")\n";
file << " file(COPY \"" << from_file << "\""
<< " DESTINATION \"" << to_dir << "\")\n";
if (!prefix.empty()) {
file << " file(REMOVE \"" << dest_file << "\")\n";
file << " file(RENAME \"" << to_file << "\" \"" << dest_file
<< "\")\n";
}
file << "endif()\n";
}