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cmTarget: Allow any generator expression in SOURCES property. 

Remove use of UseObjectLibraries from Makefile and Ninja generators. It
is not needed now because those generators use GetExternalObjects
which already contains the objects from object libraries.

The VS10 generator calls both the UseObjectLibraries and the GetExternalObjects
methods. Ensure that duplicates are not created by skipping objects
from object libraries in handling of GetExternalObjects.

Similarly, fix VS6, VS7 and Xcode object handling by skipping
external objects from OBJECT_LIBRARY usage as appropriate.

The error message in the BadSourceExpression1 test is now reported
by the generator expression evaluator, so it has different text.
This commit is contained in:
Stephen Kelly 2014-03-18 16:40:46 +01:00
parent 5702e10677
commit e5da9e51d0
12 changed files with 81 additions and 48 deletions
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7
Help/command/add_executable.rst
View File

@ -35,8 +35,11 @@ If ``EXCLUDE_FROM_ALL`` is given the corresponding property will be set on
the created target. See documentation of the :prop_tgt:`EXCLUDE_FROM_ALL`
target property for details.
See the :manual:`cmake-buildsystem(7)` manual for more on defining
buildsystem properties.
Source arguments to ``add_executable`` may use "generator expressions" with
the syntax ``$<...>``. See the :manual:`cmake-generator-expressions(7)`
manual for available expressions. See the :manual:`cmake-buildsystem(7)`
manual for more on defining buildsystem properties.
--------------------------------------------------------------------------

6
Help/command/add_library.rst
View File

@ -39,8 +39,10 @@ If ``EXCLUDE_FROM_ALL`` is given the corresponding property will be set on
the created target. See documentation of the :prop_tgt:`EXCLUDE_FROM_ALL`
target property for details.
See the :manual:`cmake-buildsystem(7)` manual for more on defining buildsystem
properties.
Source arguments to ``add_library`` may use "generator expressions" with
the syntax ``$<...>``. See the :manual:`cmake-generator-expressions(7)`
manual for available expressions. See the :manual:`cmake-buildsystem(7)`
manual for more on defining buildsystem properties.
--------------------------------------------------------------------------

5
Help/release/dev/target-SOURCES-genex.rst
View File

@ -5,3 +5,8 @@ target-SOURCES-genex
:manual:`generator expression <cmake-generator-expressions(7)>`
such as ``TARGET_OBJECTS`` when read at configure time, if
policy :policy:`CMP0051` is ``NEW``.
* The :prop_tgt:`SOURCES` target property now generally supports
:manual:`generator expression <cmake-generator-expressions(7)>`. The
generator expressions may be used in the :command:`add_library` and
:command:`add_executable` commands.

5
Source/cmGlobalXCodeGenerator.cxx
View File

@ -1007,7 +1007,10 @@ cmGlobalXCodeGenerator::CreateXCodeTargets(cmLocalGenerator* gen,
if(filetype &&
filetype->GetString() == "compiled.mach-o.objfile")
{
externalObjFiles.push_back(xsf);
if ((*i)->GetObjectLibrary().empty())
{
externalObjFiles.push_back(xsf);
}
}
else if(this->IsHeaderFile(*i) ||
(tsFlags.Type == cmGeneratorTarget::SourceFileTypePrivateHeader) ||

10
Source/cmLocalVisualStudio6Generator.cxx
View File

@ -324,6 +324,11 @@ void cmLocalVisualStudio6Generator::WriteDSPFile(std::ostream& fout,
for(std::vector<cmSourceFile*>::const_iterator i = classes.begin();
i != classes.end(); i++)
{
if (!(*i)->GetObjectLibrary().empty())
{
continue;
}
// Add the file to the list of sources.
std::string source = (*i)->GetFullPath();
cmSourceGroup* sourceGroup =
@ -398,6 +403,11 @@ void cmLocalVisualStudio6Generator
for(std::vector<const cmSourceFile *>::const_iterator sf =
sourceFiles.begin(); sf != sourceFiles.end(); ++sf)
{
if (!(*sf)->GetObjectLibrary().empty())
{
continue;
}
std::string source = (*sf)->GetFullPath();
const cmCustomCommand *command =
(*sf)->GetCustomCommand();

4
Source/cmLocalVisualStudio7Generator.cxx
View File

@ -1401,6 +1401,10 @@ void cmLocalVisualStudio7Generator::WriteVCProjFile(std::ostream& fout,
for(std::vector<cmSourceFile*>::const_iterator i = classes.begin();
i != classes.end(); i++)
{
if (!(*i)->GetObjectLibrary().empty())
{
continue;
}
// Add the file to the list of sources.
std::string source = (*i)->GetFullPath();
if(cmSystemTools::UpperCase((*i)->GetExtension()) == "DEF")

3
Source/cmMakefileTargetGenerator.cxx
View File

@ -202,9 +202,6 @@ void cmMakefileTargetGenerator::WriteTargetBuildRules()
// Generate this object file's rule file.
this->WriteObjectRuleFiles(**si);
}
// Add object library contents as external objects.
this->GeneratorTarget->UseObjectLibraries(this->ExternalObjects);
}
//----------------------------------------------------------------------------

11
Source/cmNinjaTargetGenerator.cxx
View File

@ -525,17 +525,6 @@ cmNinjaTargetGenerator
this->ModuleDefinitionFile = this->ConvertToNinjaPath(def.c_str());
}
{
// Add object library contents as external objects.
std::vector<std::string> objs;
this->GeneratorTarget->UseObjectLibraries(objs);
for(std::vector<std::string>::iterator oi = objs.begin();
oi != objs.end(); ++oi)
{
this->Objects.push_back(ConvertToNinjaPath(oi->c_str()));
}
}
this->GetBuildFileStream() << "\n";
}

59
Source/cmTarget.cxx
View File

@ -551,15 +551,16 @@ void cmTarget::GetSourceFiles(std::vector<std::string> &files) const
si != this->Internal->SourceEntries.end(); ++si)
{
std::vector<std::string> srcs;
cmSystemTools::ExpandListArgument((*si)->ge->GetInput(), srcs);
cmSystemTools::ExpandListArgument((*si)->ge->Evaluate(this->Makefile,
"",
false,
this),
srcs);
for(std::vector<std::string>::const_iterator i = srcs.begin();
i != srcs.end(); ++i)
{
std::string src = *i;
if (cmGeneratorExpression::Find(src) != std::string::npos)
{
continue;
}
cmSourceFile* sf = this->Makefile->GetOrCreateSource(src);
std::string e;
src = sf->GetFullPath(&e);
@ -606,7 +607,14 @@ void cmTarget::AddSources(std::vector<std::string> const& srcs)
const char* src = i->c_str();
if(src[0] == '$' && src[1] == '<')
{
this->ProcessSourceExpression(*i);
this->AddSource(src);
if(cmHasLiteralPrefix(i->c_str(), "$<TARGET_OBJECTS:") &&
(*i)[i->size()-1] == '>')
{
std::string objLibName = i->substr(17, i->size()-18);
this->ObjectLibraries.push_back(objLibName);
}
}
else
{
@ -734,30 +742,13 @@ cmSourceFile* cmTarget::AddSource(const std::string& src)
this->Internal->SourceEntries.push_back(
new cmTargetInternals::TargetPropertyEntry(cge));
}
if (cmGeneratorExpression::Find(src) != std::string::npos)
{
return 0;
}
return this->Makefile->GetOrCreateSource(src);
}
//----------------------------------------------------------------------------
void cmTarget::ProcessSourceExpression(std::string const& expr)
{
if(cmHasLiteralPrefix(expr.c_str(), "$<TARGET_OBJECTS:") &&
expr[expr.size()-1] == '>')
{
std::string objLibName = expr.substr(17, expr.size()-18);
this->ObjectLibraries.push_back(objLibName);
this->AddSource(expr);
}
else
{
cmOStringStream e;
e << "Unrecognized generator expression:\n"
<< " " << expr;
this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
}
}
//----------------------------------------------------------------------------
void cmTarget::MergeLinkLibraries( cmMakefile& mf,
const std::string& selfname,
@ -2886,6 +2877,14 @@ const char *cmTarget::GetProperty(const std::string& prop,
{
std::string objLibName = li->substr(17, li->size()-18);
if (cmGeneratorExpression::Find(objLibName) != std::string::npos)
{
ss << sep;
sep = ";";
ss << *li;
continue;
}
bool addContent = false;
bool noMessage = true;
cmOStringStream e;
@ -2920,6 +2919,12 @@ const char *cmTarget::GetProperty(const std::string& prop,
ss << *li;
}
}
else if (cmGeneratorExpression::Find(*li) == std::string::npos)
{
ss << sep;
sep = ";";
ss << *li;
}
else
{
cmSourceFile *sf = this->Makefile->GetOrCreateSource(*li);

13
Source/cmVisualStudio10TargetGenerator.cxx
View File

@ -1054,6 +1054,19 @@ void cmVisualStudio10TargetGenerator::WriteAllSources()
std::vector<cmSourceFile const*> externalObjects;
this->GeneratorTarget->GetExternalObjects(externalObjects);
for(std::vector<cmSourceFile const*>::iterator
si = externalObjects.begin();
si != externalObjects.end(); )
{
if (!(*si)->GetObjectLibrary().empty())
{
si = externalObjects.erase(si);
}
else
{
++si;
}
}
if(this->LocalGenerator->GetVersion() > cmLocalVisualStudioGenerator::VS10)
{
// For VS >= 11 we use LinkObjects to avoid linking custom command

2
Tests/GeneratorExpression/CMakeLists.txt
View File

@ -166,7 +166,7 @@ add_library(imported4 SHARED IMPORTED)
set_property(TARGET imported4 APPEND PROPERTY
INCLUDE_DIRECTORIES $<TARGET_PROPERTY:imported3,INTERFACE_INCLUDE_DIRECTORIES>)
add_executable(someexe empty.cpp)
add_executable(someexe $<1:empty.cpp> $<0:does_not_exist>)
add_executable(Alias::SomeExe ALIAS someexe)
add_library(Alias::SomeLib ALIAS empty1)

4
Tests/RunCMake/ObjectLibrary/BadSourceExpression1-stderr.txt
View File

@ -1,6 +1,8 @@
CMake Error at BadSourceExpression1.cmake:1 \(add_library\):
Unrecognized generator expression:
Error evaluating generator expression:
\$<BAD_EXPRESSION>
Expression did not evaluate to a known generator expression
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)