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Merge topic 'remove-LINK_LANGUAGE-genex' 

4f6bd70 Remove the LINK_LANGUAGE generator expression.
This commit is contained in:
Brad King 2013-07-24 11:02:14 -04:00 committed by CMake Topic Stage
parent 52daa0ea34 4f6bd7022b
commit 6077847edc
13 changed files with 53 additions and 110 deletions
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1
Source/cmAddCompileOptionsCommand.h
View File

@ -62,7 +62,6 @@ public:
"Arguments to add_compile_options may use \"generator "
"expressions\" with the syntax \"$<...>\". "
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS
;
}

8
Source/cmDocumentGeneratorExpressions.h
View File

@ -95,12 +95,4 @@
"the target on which the generator expression is evaluated.\n" \
""
#define CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS \
"Language related expressions:\n" \
" $<LINK_LANGUAGE> = The link language of the target " \
"being generated.\n" \
" $<LINK_LANGUAGE:lang> = '1' if the link language of the " \
"target being generated matches lang, else '0'.\n" \
""
#endif

78
Source/cmGeneratorExpressionEvaluator.cxx
View File

@ -573,69 +573,6 @@ static const struct ConfigurationTestNode : public cmGeneratorExpressionNode
}
} configurationTestNode;
//----------------------------------------------------------------------------
static const struct LinkLanguageNode : public cmGeneratorExpressionNode
{
LinkLanguageNode() {}
virtual int NumExpectedParameters() const { return ZeroOrMoreParameters; }
std::string Evaluate(const std::vector<std::string> &parameters,
cmGeneratorExpressionContext *context,
const GeneratorExpressionContent *content,
cmGeneratorExpressionDAGChecker *dagChecker) const
{
if (dagChecker && dagChecker->EvaluatingLinkLibraries())
{
reportError(context, content->GetOriginalExpression(),
"$<LINK_LANGUAGE> expression can not be used while evaluating "
"link libraries");
return std::string();
}
if (parameters.size() != 0 && parameters.size() != 1)
{
reportError(context, content->GetOriginalExpression(),
"$<LINK_LANGUAGE> expression requires one or two parameters");
return std::string();
}
cmTarget* target = context->HeadTarget;
if (!target)
{
reportError(context, content->GetOriginalExpression(),
"$<LINK_LANGUAGE> may only be used with targets. It may not "
"be used with add_custom_command.");
return std::string();
}
const char *lang = target->GetLinkerLanguage(context->Config);
if (parameters.size() == 0)
{
return lang ? lang : "";
}
else
{
cmsys::RegularExpression langValidator;
langValidator.compile("^[A-Za-z0-9_]*$");
if (!langValidator.find(parameters.begin()->c_str()))
{
reportError(context, content->GetOriginalExpression(),
"Expression syntax not recognized.");
return std::string();
}
if (!lang)
{
return parameters.front().empty() ? "1" : "0";
}
if (strcmp(parameters.begin()->c_str(), lang) == 0)
{
return "1";
}
return "0";
}
}
} linkLanguageNode;
static const struct JoinNode : public cmGeneratorExpressionNode
{
JoinNode() {}
@ -835,6 +772,19 @@ static const struct TargetPropertyNode : public cmGeneratorExpressionNode
assert(target);
if (propertyName == "LINKER_LANGUAGE")
{
if (dagCheckerParent && dagCheckerParent->EvaluatingLinkLibraries())
{
reportError(context, content->GetOriginalExpression(),
"LINKER_LANGUAGE target property can not be used while evaluating "
"link libraries");
return std::string();
}
const char *lang = target->GetLinkerLanguage(context->Config);
return lang ? lang : "";
}
cmGeneratorExpressionDAGChecker dagChecker(context->Backtrace,
target->GetName(),
propertyName,
@ -1380,8 +1330,6 @@ cmGeneratorExpressionNode* GetNode(const std::string &identifier)
return &configurationNode;
else if (identifier == "CONFIG")
return &configurationTestNode;
else if (identifier == "LINK_LANGUAGE")
return &linkLanguageNode;
else if (identifier == "TARGET_FILE")
return &targetFileNode;
else if (identifier == "TARGET_LINKER_FILE")

3
Source/cmMakefile.cxx
View File

@ -4087,8 +4087,7 @@ void cmMakefile::DefineProperties(cmake *cm)
"the options for the compiler.\n"
"Contents of COMPILE_OPTIONS may use \"generator expressions\" with "
"the syntax \"$<...>\". "
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS);
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS);
cm->DefineProperty
("LINK_DIRECTORIES", cmProperty::DIRECTORY,

25
Source/cmTarget.cxx
View File

@ -292,7 +292,6 @@ void cmTarget::DefineProperties(cmake *cm)
"Contents of COMPILE_DEFINITIONS may use \"generator expressions\" with "
"the syntax \"$<...>\". "
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS
CM_DOCUMENT_COMPILE_DEFINITIONS_DISCLAIMER);
cm->DefineProperty
@ -311,8 +310,7 @@ void cmTarget::DefineProperties(cmake *cm)
"the options for the compiler.\n"
"Contents of COMPILE_OPTIONS may use \"generator expressions\" with "
"the syntax \"$<...>\". "
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS);
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS);
cm->DefineProperty
("INTERFACE_COMPILE_OPTIONS", cmProperty::TARGET,
@ -323,8 +321,7 @@ void cmTarget::DefineProperties(cmake *cm)
"as $<TARGET_PROPERTY:foo,INTERFACE_COMPILE_OPTIONS> to use the "
"compile options specified in the interface of 'foo'."
"\n"
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS);
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS);
cm->DefineProperty
("DEFINE_SYMBOL", cmProperty::TARGET,
@ -653,8 +650,7 @@ void cmTarget::DefineProperties(cmake *cm)
"See also the include_directories command.\n"
"Contents of INCLUDE_DIRECTORIES may use \"generator expressions\" with "
"the syntax \"$<...>\". "
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS);
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS);
cm->DefineProperty
("INSTALL_NAME_DIR", cmProperty::TARGET,
@ -749,7 +745,11 @@ void cmTarget::DefineProperties(cmake *cm)
"file providing the program entry point (main). "
"If not set, the language with the highest linker preference "
"value is the default. "
"See documentation of CMAKE_<LANG>_LINKER_PREFERENCE variables.");
"See documentation of CMAKE_<LANG>_LINKER_PREFERENCE variables."
"\n"
"If this property is not set by the user, it will be calculated at "
"generate-time by CMake."
);
cm->DefineProperty
("LOCATION", cmProperty::TARGET,
@ -870,8 +870,7 @@ void cmTarget::DefineProperties(cmake *cm)
"as $<TARGET_PROPERTY:foo,INTERFACE_INCLUDE_DIRECTORIES> to use the "
"include directories specified in the interface of 'foo'."
"\n"
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS);
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS);
cm->DefineProperty
("SYSTEM_INTERFACE_INCLUDE_DIRECTORIES", cmProperty::TARGET,
@ -881,8 +880,7 @@ void cmTarget::DefineProperties(cmake *cm)
"compiler warnings. Consuming targets will then mark the same include "
"directories as system headers."
"\n"
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS);
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS);
cm->DefineProperty
("INTERFACE_COMPILE_DEFINITIONS", cmProperty::TARGET,
@ -893,8 +891,7 @@ void cmTarget::DefineProperties(cmake *cm)
"as $<TARGET_PROPERTY:foo,INTERFACE_COMPILE_DEFINITIONS> to use the "
"compile definitions specified in the interface of 'foo'."
"\n"
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS);
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS);
cm->DefineProperty
("LINK_INTERFACE_MULTIPLICITY", cmProperty::TARGET,

1
Source/cmTargetCompileDefinitionsCommand.h
View File

@ -70,7 +70,6 @@ public:
"Arguments to target_compile_definitions may use \"generator "
"expressions\" with the syntax \"$<...>\". "
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS
;
}

1
Source/cmTargetIncludeDirectoriesCommand.h
View File

@ -83,7 +83,6 @@ public:
"Arguments to target_include_directories may use \"generator "
"expressions\" with the syntax \"$<...>\". "
CM_DOCUMENT_COMMAND_GENERATOR_EXPRESSIONS
CM_DOCUMENT_LANGUAGE_GENERATOR_EXPRESSIONS
;
}

4
Tests/CompileDefinitions/compiletest_mixed_c.c
View File

@ -13,6 +13,10 @@
#error Unexpected LINK_LANGUAGE_IS_C
#endif
#ifndef C_EXECUTABLE_LINK_LANGUAGE_IS_C
#error Expected C_EXECUTABLE_LINK_LANGUAGE_IS_C define
#endif
void someFunc(void)
{

4
Tests/CompileDefinitions/compiletest_mixed_cxx.cpp
View File

@ -13,6 +13,10 @@
#error Unexpected LINK_LANGUAGE_IS_C
#endif
#ifndef C_EXECUTABLE_LINK_LANGUAGE_IS_C
#error Expected C_EXECUTABLE_LINK_LANGUAGE_IS_C define
#endif
int main(int argc, char **argv)
{
return 0;

19
Tests/CompileDefinitions/target_prop/CMakeLists.txt
View File

@ -23,9 +23,9 @@ set_property(TARGET target_prop_executable APPEND PROPERTY COMPILE_DEFINITIONS
LETTER_LIST3=\"$<JOIN:A;B;C;D,,->\"
LETTER_LIST4=\"$<JOIN:A;B;C;D,-,->\"
LETTER_LIST5=\"$<JOIN:A;B;C;D,-,>\"
"$<$<LINK_LANGUAGE:CXX>:LINK_CXX_DEFINE>"
"$<$<LINK_LANGUAGE:C>:LINK_C_DEFINE>"
"LINK_LANGUAGE_IS_$<LINK_LANGUAGE>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:LINK_CXX_DEFINE>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,C>:LINK_C_DEFINE>"
"LINK_LANGUAGE_IS_$<TARGET_PROPERTY:LINKER_LANGUAGE>"
)
set_property(TARGET target_prop_executable APPEND PROPERTY COMPILE_DEFINITIONS
@ -36,16 +36,17 @@ set_property(TARGET target_prop_executable APPEND PROPERTY COMPILE_DEFINITIONS
add_executable(target_prop_c_executable ../compiletest.c)
set_property(TARGET target_prop_c_executable APPEND PROPERTY COMPILE_DEFINITIONS
"$<$<LINK_LANGUAGE:CXX>:LINK_CXX_DEFINE>"
"$<$<LINK_LANGUAGE:C>:LINK_C_DEFINE>"
"LINK_LANGUAGE_IS_$<LINK_LANGUAGE>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:LINK_CXX_DEFINE>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,C>:LINK_C_DEFINE>"
"LINK_LANGUAGE_IS_$<TARGET_PROPERTY:LINKER_LANGUAGE>"
)
# Resulting link language will be CXX
add_executable(target_prop_mixed_executable ../compiletest_mixed_c.c ../compiletest_mixed_cxx.cpp)
set_property(TARGET target_prop_mixed_executable APPEND PROPERTY COMPILE_DEFINITIONS
"$<$<LINK_LANGUAGE:CXX>:LINK_CXX_DEFINE>"
"$<$<LINK_LANGUAGE:C>:LINK_C_DEFINE>"
"LINK_LANGUAGE_IS_$<LINK_LANGUAGE>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:LINK_CXX_DEFINE>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,C>:LINK_C_DEFINE>"
"LINK_LANGUAGE_IS_$<TARGET_PROPERTY:LINKER_LANGUAGE>"
"C_EXECUTABLE_LINK_LANGUAGE_IS_$<TARGET_PROPERTY:target_prop_c_executable,LINKER_LANGUAGE>"
)

12
Tests/IncludeDirectories/TargetIncludeDirectories/CMakeLists.txt
View File

@ -156,15 +156,15 @@ target_include_directories(TargetIncludeDirectories PRIVATE "${CMAKE_CURRENT_BIN
# Test that the language generator expressions work
set_property(TARGET TargetIncludeDirectories
APPEND PROPERTY INCLUDE_DIRECTORIES
"$<$<LINK_LANGUAGE:C>:${CMAKE_CURRENT_BINARY_DIR}/bad>"
"$<$<LINK_LANGUAGE:CXX>:${CMAKE_CURRENT_BINARY_DIR}/good>"
"$<$<STREQUAL:$<LINK_LANGUAGE>,CXX>:${CMAKE_CURRENT_BINARY_DIR}/othergood/>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,C>:${CMAKE_CURRENT_BINARY_DIR}/bad>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:${CMAKE_CURRENT_BINARY_DIR}/good>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:${CMAKE_CURRENT_BINARY_DIR}/othergood/>"
)
add_executable(TargetIncludeDirectories_C main.c)
set_property(TARGET TargetIncludeDirectories_C
APPEND PROPERTY INCLUDE_DIRECTORIES
"$<$<LINK_LANGUAGE:CXX>:${CMAKE_CURRENT_BINARY_DIR}/bad>"
"$<$<LINK_LANGUAGE:C>:${CMAKE_CURRENT_BINARY_DIR}/good>"
"$<$<STREQUAL:$<LINK_LANGUAGE>,C>:${CMAKE_CURRENT_BINARY_DIR}/othergood/>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,CXX>:${CMAKE_CURRENT_BINARY_DIR}/bad>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,C>:${CMAKE_CURRENT_BINARY_DIR}/good>"
"$<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,C>:${CMAKE_CURRENT_BINARY_DIR}/othergood/>"
)

5
Tests/RunCMake/Languages/LINK_LANGUAGE-genex-stderr.txt
View File

@ -1,6 +1,7 @@
CMake Error:
Error evaluating generator expression:
\$<LINK_LANGUAGE>
\$<TARGET_PROPERTY:LINKER_LANGUAGE>
\$<LINK_LANGUAGE> expression can not be used while evaluating link libraries
LINKER_LANGUAGE target property can not be used while evaluating link
libraries

2
Tests/RunCMake/Languages/LINK_LANGUAGE-genex.cmake
View File

@ -1,4 +1,4 @@
add_library(foo SHARED empty.cpp)
add_library(bar SHARED empty.cpp)
target_link_libraries(foo $<$<STREQUAL:$<LINK_LANGUAGE>,anything>:bar>)
target_link_libraries(foo $<$<STREQUAL:$<TARGET_PROPERTY:LINKER_LANGUAGE>,anything>:bar>)