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-rw-r--r--Source/cmAddLibraryCommand.cxx80
1 files changed, 80 insertions, 0 deletions
diff --git a/Source/cmAddLibraryCommand.cxx b/Source/cmAddLibraryCommand.cxx
index fd39eec..cbc6ed1 100644
--- a/Source/cmAddLibraryCommand.cxx
+++ b/Source/cmAddLibraryCommand.cxx
@@ -43,6 +43,7 @@ bool cmAddLibraryCommand
// the type of library. Otherwise, it is treated as a source or
// source list name. There may be two keyword arguments, check for them
bool haveSpecifiedType = false;
+ bool isAlias = false;
while ( s != args.end() )
{
std::string libType = *s;
@@ -76,6 +77,11 @@ bool cmAddLibraryCommand
type = cmTarget::UNKNOWN_LIBRARY;
haveSpecifiedType = true;
}
+ else if(libType == "ALIAS")
+ {
+ ++s;
+ isAlias = true;
+ }
else if(*s == "EXCLUDE_FROM_ALL")
{
++s;
@@ -96,6 +102,80 @@ bool cmAddLibraryCommand
break;
}
}
+ if (isAlias)
+ {
+ if(!cmGeneratorExpression::IsValidTargetName(libName.c_str()))
+ {
+ this->SetError(("Invalid name for ALIAS: " + libName).c_str());
+ return false;
+ }
+ if(excludeFromAll)
+ {
+ this->SetError("EXCLUDE_FROM_ALL with ALIAS makes no sense.");
+ return false;
+ }
+ if(importTarget || importGlobal)
+ {
+ this->SetError("IMPORTED with ALIAS is not allowed.");
+ return false;
+ }
+ if(args.size() != 3)
+ {
+ cmOStringStream e;
+ e << "ALIAS requires exactly one target argument.";
+ this->SetError(e.str().c_str());
+ return false;
+ }
+
+ const char *aliasedName = s->c_str();
+ if(this->Makefile->IsAlias(aliasedName))
+ {
+ cmOStringStream e;
+ e << "cannot create ALIAS target \"" << libName
+ << "\" because target \"" << aliasedName << "\" is itself an ALIAS.";
+ this->SetError(e.str().c_str());
+ return false;
+ }
+ cmTarget *aliasedTarget =
+ this->Makefile->FindTargetToUse(aliasedName, true);
+ if(!aliasedTarget)
+ {
+ cmOStringStream e;
+ e << "cannot create ALIAS target \"" << libName
+ << "\" because target \"" << aliasedName << "\" does not already "
+ "exist.";
+ this->SetError(e.str().c_str());
+ return false;
+ }
+ cmTarget::TargetType aliasedType = aliasedTarget->GetType();
+ if(aliasedType != cmTarget::SHARED_LIBRARY
+ && aliasedType != cmTarget::STATIC_LIBRARY
+ && aliasedType != cmTarget::MODULE_LIBRARY
+ && aliasedType != cmTarget::OBJECT_LIBRARY)
+ {
+ cmOStringStream e;
+ e << "cannot create ALIAS target \"" << libName
+ << "\" because target \"" << aliasedName << "\" is not a library.";
+ this->SetError(e.str().c_str());
+ return false;
+ }
+ if(aliasedTarget->IsImported())
+ {
+ cmOStringStream e;
+ e << "cannot create ALIAS target \"" << libName
+ << "\" because target \"" << aliasedName << "\" is IMPORTED.";
+ this->SetError(e.str().c_str());
+ return false;
+ }
+ this->Makefile->AddAlias(libName.c_str(), aliasedTarget);
+ return true;
+ }
+
+ if(importTarget && excludeFromAll)
+ {
+ this->SetError("excludeFromAll with IMPORTED target makes no sense.");
+ return false;
+ }
/* ideally we should check whether for the linker language of the target
CMAKE_${LANG}_CREATE_SHARED_LIBRARY is defined and if not default to