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ENH: try to improve make speed by getting rid of some implicit rules that were still around.

This commit is contained in:
Bill Hoffman 2008-03-18 10:02:31 -04:00
parent ba18eb7d56
commit 813779d962
1 changed files with 12 additions and 0 deletions
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12
Source/cmLocalUnixMakefileGenerator3.cxx
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@ -738,6 +738,18 @@ cmLocalUnixMakefileGenerator3
makefileStream, "Disable implicit rules so canoncical targets will work.",
".SUFFIXES", no_depends, no_commands, false);
// turn off RCS and SCCS automatic stuff from gmake
makefileStream << "# Remove some rules from gmake that .SUFFIXES does not remove.\n"
<< "# This makes gmake faster as it does not try to run implicit rules\n"
<< "# on targets that never exist.\n"
<< "%: %,v\n"
<< "%: RCS/%,v\n"
<< "%: RCS/%\n"
<< "%: s.%\n"
<< "%: %.w\n"
<< "%.c: %.w %.ch\n"
<< "%: %.tex\n"
<< "%: SCCS/s.%\n\n";
// Add a fake suffix to keep HP happy. Must be max 32 chars for SGI make.
std::vector<std::string> depends;
depends.push_back(".hpux_make_needs_suffix_list");