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Genex: Fix evaluation context propagation for TARGET_OBJECTS. 

Extract a new method to encapsulate the requirements of evaluating
dependent-expressions, namely, propagation of the
EvaluateForBuildsystem setting, which is missing from the
getLinkedTargetsContent implementation.

Commit v3.1.0-rc1~688^2 (Genex: Only evaluate TARGET_OBJECTS to determine
target sources., 2014-03-20) introduced an error case for use of
TARGET_OBJECTS outside of the context of generating the buildsystem,
as the path to object files may be dependent on buildsystem
variables (See bug #15226).

Commit v3.1.0-rc1~314^2 (Allow INTERFACE_SOURCES to specify
$<TARGET_OBJECTS> (#14970), 2014-07-09) made it possible to
propagate such content to dependent targets.

While that commit propagated the EvaluateForBuildsystem setting
for the case of a TARGET_PROPERTY expression, as generated for
direct dependencies of a target in
cmTargetInternals::AddInterfaceEntries, it did not add propagation
for content from further transitive target dependencies, as determined
by getLinkedTargetsContent.
This commit is contained in:
Stephen Kelly 2014-11-26 21:29:05 +01:00
parent d2f2a2e226
commit 672f1001c0
2 changed files with 44 additions and 35 deletions
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74
Source/cmGeneratorExpressionEvaluator.cxx
View File

@ -69,8 +69,41 @@ struct cmGeneratorExpressionNode
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *dagChecker
) const = 0;
static std::string EvaluateDependentExpression(
std::string const& prop, cmMakefile *makefile,
cmGeneratorExpressionContext *context,
cmTarget const* headTarget, cmTarget const* currentTarget,
cmGeneratorExpressionDAGChecker *dagChecker);
};
//----------------------------------------------------------------------------
std::string cmGeneratorExpressionNode::EvaluateDependentExpression(
std::string const& prop, cmMakefile *makefile,
cmGeneratorExpressionContext *context,
cmTarget const* headTarget, cmTarget const* currentTarget,
cmGeneratorExpressionDAGChecker *dagChecker)
{
cmGeneratorExpression ge(&context->Backtrace);
cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(prop);
cge->SetEvaluateForBuildsystem(context->EvaluateForBuildsystem);
std::string result = cge->Evaluate(makefile,
context->Config,
context->Quiet,
headTarget,
currentTarget,
dagChecker);
if (cge->GetHadContextSensitiveCondition())
{
context->HadContextSensitiveCondition = true;
}
if (cge->GetHadHeadSensitiveCondition())
{
context->HadHeadSensitiveCondition = true;
}
return result;
}
//----------------------------------------------------------------------------
static const struct ZeroNode : public cmGeneratorExpressionNode
{
@ -825,22 +858,10 @@ getLinkedTargetsContent(
}
if(!depString.empty())
{
cmGeneratorExpression ge(&context->Backtrace);
cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(depString);
linkedTargetsContent = cge->Evaluate(target->GetMakefile(),
context->Config,
context->Quiet,
headTarget,
target,
dagChecker);
if (cge->GetHadContextSensitiveCondition())
{
context->HadContextSensitiveCondition = true;
}
if (cge->GetHadHeadSensitiveCondition())
{
context->HadHeadSensitiveCondition = true;
}
linkedTargetsContent =
cmGeneratorExpressionNode::EvaluateDependentExpression(depString,
target->GetMakefile(), context,
headTarget, target, dagChecker);
}
linkedTargetsContent =
cmGeneratorExpression::StripEmptyListElements(linkedTargetsContent);
@ -1181,24 +1202,9 @@ static const struct TargetPropertyNode : public cmGeneratorExpressionNode
}
if(!interfacePropertyName.empty())
{
cmGeneratorExpression ge(&context->Backtrace);
cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(prop);
cge->SetEvaluateForBuildsystem(context->EvaluateForBuildsystem);
std::string result = cge->Evaluate(context->Makefile,
context->Config,
context->Quiet,
headTarget,
target,
&dagChecker);
if (cge->GetHadContextSensitiveCondition())
{
context->HadContextSensitiveCondition = true;
}
if (cge->GetHadHeadSensitiveCondition())
{
context->HadHeadSensitiveCondition = true;
}
std::string result = this->EvaluateDependentExpression(prop,
context->Makefile, context,
headTarget, target, &dagChecker);
if (!linkedTargetsContent.empty())
{
result += (result.empty() ? "" : ";") + linkedTargetsContent;

5
Tests/InterfaceLibrary/CMakeLists.txt
View File

@ -22,8 +22,11 @@ add_library(objlib OBJECT obj.cpp)
add_library(iface_objlib INTERFACE)
target_sources(iface_objlib INTERFACE $<TARGET_OBJECTS:objlib>)
add_library(intermediate INTERFACE)
target_link_libraries(intermediate INTERFACE iface_objlib)
add_executable(InterfaceLibrary definetestexe.cpp)
target_link_libraries(InterfaceLibrary iface_nodepends headeriface subiface iface_objlib)
target_link_libraries(InterfaceLibrary iface_nodepends headeriface subiface intermediate)
add_subdirectory(libsdir)