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authorRobert Maynard <robert.maynard@kitware.com>2016-11-14 16:39:23 (GMT)
committerRobert Maynard <robert.maynard@kitware.com>2016-11-14 16:39:23 (GMT)
commitde7083f3c0bdc9c0af0d35c44afde86aab6d6622 (patch)
tree91ecae2be86860521d2a472c9767be0853b9a775
parent8b33507aba37f7aa8dc1c0d961ba49ef10679449 (diff)
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Ninja: Document why ComputeLinkCmd is structured the way it is.
-rw-r--r--Source/cmNinjaNormalTargetGenerator.cxx3
1 files changed, 3 insertions, 0 deletions
diff --git a/Source/cmNinjaNormalTargetGenerator.cxx b/Source/cmNinjaNormalTargetGenerator.cxx
index a23e0ad..3598914 100644
--- a/Source/cmNinjaNormalTargetGenerator.cxx
+++ b/Source/cmNinjaNormalTargetGenerator.cxx
@@ -332,6 +332,9 @@ std::vector<std::string> cmNinjaNormalTargetGenerator::ComputeLinkCmd()
std::vector<std::string> linkCmds;
cmMakefile* mf = this->GetMakefile();
{
+ // If we have a rule variable prefer it. In the case of static libraries
+ // this occurs when things like IPO is enabled, and we need to use the
+ // CMAKE_<lang>_CREATE_STATIC_LIBRARY_IPO define instead.
std::string linkCmdVar = this->GetGeneratorTarget()->GetCreateRuleVariable(
this->TargetLinkLanguage, this->GetConfigName());
const char* linkCmd = mf->GetDefinition(linkCmdVar);