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makefiles: suppress RCS and SCCS implicit rules

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These are not suffix rules and are not suppressed by the empty
`.SUFFIXES` recipe. Additionally, the old `SUFFIXES =` code didn't
actually accomplish this, so remove it.
This commit is contained in:
Ben Boeckel
2020-01-22 15:41:14 -05:00
parent 593d0f3a57
commit 879e56f336
1 changed files with 9 additions and 3 deletions
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12
Source/cmLocalUnixMakefileGenerator3.cxx
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@@ -683,9 +683,15 @@ void cmLocalUnixMakefileGenerator3::WriteSpecialTargetsTop(
if (!this->IsNMake() && !this->IsWatcomWMake() &&
!this->BorlandMakeCurlyHack) {
// turn off RCS and SCCS automatic stuff from gmake
makefileStream
<< "# Remove some rules from gmake that .SUFFIXES does not remove.\n"
<< "SUFFIXES =\n\n";
constexpr const char* vcs_rules[] = {
"%,v", "RCS/%", "RCS/%,v", "SCCS/s.%", "s.%",
};
for (auto vcs_rule : vcs_rules) {
std::vector<std::string> vcs_depend;
vcs_depend.emplace_back(vcs_rule);
this->WriteMakeRule(makefileStream, "Disable VCS-based implicit rules.",
"%", vcs_depend, no_commands, false);
}
}
// Add a fake suffix to keep HP happy. Must be max 32 chars for SGI make.
std::vector<std::string> depends;