Commit faedd2be authored by Stephen Kelly's avatar Stephen Kelly
Browse files

cmTarget: Fix system include annotation propagation.

Direct users of IMPORTED targets treat INTERFACE_INCLUDE_DIRECTORIES
as SYSTEM, after commit a63fcbcb (Always consider includes from IMPORTED
targets to be SYSTEM., 2013-08-29).  It was intended that transitive
use of an IMPORTED target would have the same behavior, but that
did not work.  The implementation processed only direct dependencies
in cmTarget::FinalizeSystemIncludeDirectories.

Implement transitive evaluation of dependencies by traversing the
link interface of each target in the link implementation.
parent 9eb06d0d
......@@ -192,7 +192,8 @@ bool
cmGeneratorExpressionDAGChecker::EvaluatingSystemIncludeDirectories() const
{
const char *prop = this->Property.c_str();
return strcmp(prop, "INTERFACE_SYSTEM_INCLUDE_DIRECTORIES") == 0;
return (strcmp(prop, "SYSTEM_INCLUDE_DIRECTORIES") == 0
|| strcmp(prop, "INTERFACE_SYSTEM_INCLUDE_DIRECTORIES") == 0);
}
//----------------------------------------------------------------------------
......
......@@ -18,9 +18,12 @@
#include "cmSourceFile.h"
#include "cmGeneratorExpression.h"
#include "cmGeneratorExpressionDAGChecker.h"
#include "cmComputeLinkInformation.h"
#include <queue>
#include "assert.h"
//----------------------------------------------------------------------------
cmGeneratorTarget::cmGeneratorTarget(cmTarget* t): Target(t)
{
......@@ -59,10 +62,50 @@ cmGeneratorTarget::GetSourceDepends(cmSourceFile* sf) const
return 0;
}
static void handleSystemIncludesDep(cmMakefile *mf, const std::string &name,
const char *config, cmTarget *headTarget,
cmGeneratorExpressionDAGChecker *dagChecker,
std::vector<std::string>& result)
{
cmTarget* depTgt = mf->FindTargetToUse(name.c_str());
if (!depTgt)
{
return;
}
cmListFileBacktrace lfbt;
if (const char* dirs =
depTgt->GetProperty("INTERFACE_SYSTEM_INCLUDE_DIRECTORIES"))
{
cmGeneratorExpression ge(lfbt);
cmSystemTools::ExpandListArgument(ge.Parse(dirs)
->Evaluate(mf,
config, false, headTarget,
depTgt, dagChecker), result);
}
if (!depTgt->IsImported())
{
return;
}
if (const char* dirs =
depTgt->GetProperty("INTERFACE_INCLUDE_DIRECTORIES"))
{
cmGeneratorExpression ge(lfbt);
cmSystemTools::ExpandListArgument(ge.Parse(dirs)
->Evaluate(mf,
config, false, headTarget,
depTgt, dagChecker), result);
}
}
//----------------------------------------------------------------------------
bool cmGeneratorTarget::IsSystemIncludeDirectory(const char *dir,
const char *config) const
{
assert(this->GetType() != cmTarget::INTERFACE_LIBRARY);
std::string config_upper;
if(config && *config)
{
......@@ -75,39 +118,81 @@ bool cmGeneratorTarget::IsSystemIncludeDirectory(const char *dir,
if (iter == this->SystemIncludesCache.end())
{
cmTarget::LinkImplementation const* impl
= this->Target->GetLinkImplementation(config, this->Target);
if(!impl)
{
return false;
}
cmListFileBacktrace lfbt;
cmGeneratorExpressionDAGChecker dagChecker(lfbt,
this->GetName(),
"SYSTEM_INCLUDE_DIRECTORIES", 0, 0);
std::vector<std::string> result;
for (std::set<cmStdString>::const_iterator
it = this->Target->GetSystemIncludeDirectories().begin();
it != this->Target->GetSystemIncludeDirectories().end(); ++it)
{
cmListFileBacktrace lfbt;
cmGeneratorExpression ge(lfbt);
cmSystemTools::ExpandListArgument(ge.Parse(*it)
->Evaluate(this->Makefile,
config, false, this->Target,
&dagChecker), result);
}
std::set<cmStdString> uniqueDeps;
for(std::vector<std::string>::const_iterator li = impl->Libraries.begin();
li != impl->Libraries.end(); ++li)
{
if (uniqueDeps.insert(*li).second)
{
cmTarget* tgt = this->Makefile->FindTargetToUse(li->c_str());
cmGeneratorExpressionDAGChecker dagChecker(lfbt,
this->GetName(),
"INTERFACE_SYSTEM_INCLUDE_DIRECTORIES", 0, 0);
if (!tgt)
{
continue;
}
cmSystemTools::ExpandListArgument(ge.Parse(*it)
->Evaluate(this->Makefile,
config, false, this->Target,
&dagChecker), result);
handleSystemIncludesDep(this->Makefile, *li, config, this->Target,
&dagChecker, result);
std::vector<std::string> deps;
tgt->GetTransitivePropertyLinkLibraries(config, this->Target, deps);
for(std::vector<std::string>::const_iterator di = deps.begin();
di != deps.end(); ++di)
{
if (uniqueDeps.insert(*di).second)
{
handleSystemIncludesDep(this->Makefile, *di, config, this->Target,
&dagChecker, result);
}
}
}
}
std::set<cmStdString> unique;
for(std::vector<std::string>::iterator li = result.begin();
li != result.end(); ++li)
{
cmSystemTools::ConvertToUnixSlashes(*li);
unique.insert(*li);
}
result.clear();
for(std::set<cmStdString>::iterator li = unique.begin();
li != unique.end(); ++li)
{
result.push_back(*li);
}
IncludeCacheType::value_type entry(config_upper, result);
iter = this->SystemIncludesCache.insert(entry).first;
}
if (std::find(iter->second.begin(),
iter->second.end(), dir) != iter->second.end())
{
return true;
}
return false;
std::string dirString = dir;
return std::binary_search(iter->second.begin(), iter->second.end(),
dirString);
}
//----------------------------------------------------------------------------
......
......@@ -1164,17 +1164,6 @@ void cmGlobalGenerator::Generate()
// it builds by default.
this->FillLocalGeneratorToTargetMap();
for (i = 0; i < this->LocalGenerators.size(); ++i)
{
cmMakefile* mf = this->LocalGenerators[i]->GetMakefile();
cmTargets* targets = &(mf->GetTargets());
for ( cmTargets::iterator it = targets->begin();
it != targets->end(); ++ it )
{
it->second.FinalizeSystemIncludeDirectories();
}
}
// Generate project files
for (i = 0; i < this->LocalGenerators.size(); ++i)
{
......
......@@ -1041,62 +1041,6 @@ cmTarget::AddSystemIncludeDirectories(const std::vector<std::string> &incs)
}
}
//----------------------------------------------------------------------------
void cmTarget::FinalizeSystemIncludeDirectories()
{
for (std::vector<cmValueWithOrigin>::const_iterator
it = this->Internal->LinkImplementationPropertyEntries.begin(),
end = this->Internal->LinkImplementationPropertyEntries.end();
it != end; ++it)
{
if (!cmGeneratorExpression::IsValidTargetName(it->Value)
&& cmGeneratorExpression::Find(it->Value) == std::string::npos)
{
continue;
}
{
cmListFileBacktrace lfbt;
cmGeneratorExpression ge(lfbt);
cmsys::auto_ptr<cmCompiledGeneratorExpression> cge =
ge.Parse(it->Value);
std::string targetName = cge->Evaluate(this->Makefile, 0,
false, this, 0, 0);
cmTarget *tgt = this->Makefile->FindTargetToUse(targetName.c_str());
if (!tgt || tgt == this)
{
continue;
}
if (tgt->IsImported()
&& tgt->GetProperty("INTERFACE_INCLUDE_DIRECTORIES")
&& !this->GetPropertyAsBool("NO_SYSTEM_FROM_IMPORTED"))
{
std::string includeGenex = "$<TARGET_PROPERTY:" +
it->Value + ",INTERFACE_INCLUDE_DIRECTORIES>";
if (cmGeneratorExpression::Find(it->Value) != std::string::npos)
{
// Because it->Value is a generator expression, ensure that it
// evaluates to the non-empty string before being used in the
// TARGET_PROPERTY expression.
includeGenex = "$<$<BOOL:" + it->Value + ">:" + includeGenex + ">";
}
this->SystemIncludeDirectories.insert(includeGenex);
return; // The INTERFACE_SYSTEM_INCLUDE_DIRECTORIES are a subset
// of the INTERFACE_INCLUDE_DIRECTORIES
}
}
std::string includeGenex = "$<TARGET_PROPERTY:" +
it->Value + ",INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>";
if (cmGeneratorExpression::Find(it->Value) != std::string::npos)
{
// Because it->Value is a generator expression, ensure that it
// evaluates to the non-empty string before being used in the
// TARGET_PROPERTY expression.
includeGenex = "$<$<BOOL:" + it->Value + ">:" + includeGenex + ">";
}
this->SystemIncludeDirectories.insert(includeGenex);
}
}
//----------------------------------------------------------------------------
void
cmTarget::AnalyzeLibDependencies( const cmMakefile& mf )
......
......@@ -568,8 +568,6 @@ public:
std::set<cmStdString> const & GetSystemIncludeDirectories() const
{ return this->SystemIncludeDirectories; }
void FinalizeSystemIncludeDirectories();
bool LinkLanguagePropagatesToDependents() const
{ return this->TargetTypeValue == STATIC_LIBRARY; }
......
......@@ -25,6 +25,10 @@ add_library(imported_consumer imported_consumer.cpp)
target_link_libraries(imported_consumer iface)
target_compile_options(imported_consumer PRIVATE -Werror=unused-variable)
add_library(imported_consumer2 imported_consumer.cpp)
target_link_libraries(imported_consumer2 imported_consumer)
target_compile_options(imported_consumer2 PRIVATE -Werror=unused-variable)
macro(do_try_compile error_option)
set(TC_ARGS
IFACE_TRY_COMPILE_${error_option}
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment