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- Log -----------------------------------------------------------------
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=a06c9465cf9c2dcc66a5b07327ecbe24ae667295
commit a06c9465cf9c2dcc66a5b07327ecbe24ae667295
Merge: 7e21d8d d07f430
Author: Nils Gladitz <nilsglad...@gmail.com>
AuthorDate: Fri Feb 14 05:17:06 2014 -0500
Commit: CMake Topic Stage <kwro...@kitware.com>
CommitDate: Fri Feb 14 05:17:06 2014 -0500
Merge topic 'gcc-ipo' into next
d07f4302 Revert "IPO: implemented INTERPROCEDURAL_OPTIMIZATION for gcc
(-flto)"
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=d07f430247406f682e01e8e2067b079e4fe2f4cf
commit d07f430247406f682e01e8e2067b079e4fe2f4cf
Author: Nils Gladitz <nilsglad...@gmail.com>
AuthorDate: Fri Feb 14 11:16:05 2014 +0100
Commit: Nils Gladitz <nilsglad...@gmail.com>
CommitDate: Fri Feb 14 11:16:05 2014 +0100
Revert "IPO: implemented INTERPROCEDURAL_OPTIMIZATION for gcc (-flto)"
This reverts commit e4c5b620c7bc48c9145aa1fe9b23b6f97d68ea22.
diff --git a/Modules/Compiler/GNU.cmake b/Modules/Compiler/GNU.cmake
index a38ebce..f01255c 100644
--- a/Modules/Compiler/GNU.cmake
+++ b/Modules/Compiler/GNU.cmake
@@ -55,96 +55,4 @@ macro(__compiler_gnu lang)
if(NOT APPLE)
set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
endif()
-
- # LTO/IPO
- if(NOT CMAKE_GCC_AR OR NOT CMAKE_GCC_RANLIB)
- if(IS_ABSOLUTE "${CMAKE_${lang}_COMPILER}")
- string(REGEX MATCH "^([0-9]+.[0-9]+)" _version
- "${CMAKE_${lang}_COMPILER_VERSION}")
- get_filename_component(_dir "${CMAKE_${lang}_COMPILER}" DIRECTORY)
-
- find_program(CMAKE_GCC_AR NAMES
- "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar"
- "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar-${_version}"
- DOC "gcc provided wrapper for ar which adds the --plugin option"
- )
-
- find_program(CMAKE_GCC_RANLIB NAMES
- "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib"
- "${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib-${_version}"
- DOC "gcc provided wrapper for ranlib which adds the --plugin option"
- )
-
- mark_as_advanced(CMAKE_GCC_AR CMAKE_GCC_RANLIB)
- endif()
- endif()
-
- if(CMAKE_GCC_AR AND CMAKE_GCC_RANLIB)
- set(__lto_flags -flto)
-
- if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4.7)
- list(APPEND __lto_flags -fno-fat-lto-objects)
- endif()
-
- if(NOT DEFINED CMAKE_${lang}_PASSED_LTO_TEST)
- set(__output_dir "${CMAKE_PLATFORM_INFO_DIR}/LtoTest${lang}")
- file(MAKE_DIRECTORY "${__output_dir}")
- set(__output_base "${__output_dir}/lto-test-${lang}")
-
- execute_process(
- COMMAND ${CMAKE_COMMAND} -E echo "void foo() {}"
- COMMAND ${CMAKE_${lang}_COMPILER} ${__lto_flags} -c -xc -
- -o ${__output_base}.o
- RESULT_VARIABLE __result
- ERROR_QUIET
- OUTPUT_QUIET
- )
-
- if("${__result}" STREQUAL "0")
- execute_process(
- COMMAND ${CMAKE_GCC_AR} cr ${__output_base}.a ${__output_base}.o
- COMMAND ${CMAKE_GCC_RANLIB} ${__output_base}.a
- RESULT_VARIABLE __result
- ERROR_QUIET
- OUTPUT_QUIET
- )
- endif()
-
- if("${__result}" STREQUAL "0")
- execute_process(
- COMMAND ${CMAKE_COMMAND} -E echo "void foo(); int main() {foo();}"
- COMMAND ${CMAKE_${lang}_COMPILER} ${__lto_flags} -xc -
- -x none ${__output_base}.a -o ${__output_base}
- RESULT_VARIABLE __result
- ERROR_QUIET
- OUTPUT_QUIET
- )
- endif()
-
- if("${__result}" STREQUAL "0")
- set(__lto_found TRUE)
- endif()
-
- set(CMAKE_${lang}_PASSED_LTO_TEST
- ${__lto_found} CACHE INTERNAL
- "If the compiler passed a simple LTO test compile")
- endif()
-
- if(CMAKE_${lang}_PASSED_LTO_TEST)
-
- set(CMAKE_${lang}_COMPILE_OPTIONS_IPO ${__lto_flags})
-
- set(CMAKE_${lang}_ARCHIVE_CREATE_IPO
- "${CMAKE_GCC_AR} cr <TARGET> <LINK_FLAGS> <OBJECTS>"
- )
-
- set(CMAKE_${lang}_ARCHIVE_APPEND_IPO
- "${CMAKE_GCC_AR} r <TARGET> <LINK_FLAGS> <OBJECTS>"
- )
-
- set(CMAKE_${lang}_ARCHIVE_FINISH_IPO
- "${CMAKE_GCC_RANLIB} <TARGET>"
- )
- endif()
- endif()
endmacro()
diff --git a/Source/cmMakefileLibraryTargetGenerator.cxx
b/Source/cmMakefileLibraryTargetGenerator.cxx
index 38d3c3c..d6a0cd4 100644
--- a/Source/cmMakefileLibraryTargetGenerator.cxx
+++ b/Source/cmMakefileLibraryTargetGenerator.cxx
@@ -140,7 +140,11 @@ void
cmMakefileLibraryTargetGenerator::WriteStaticLibraryRules()
}
linkRuleVar += "_CREATE_STATIC_LIBRARY";
- linkRuleVar = this->GetFeatureSpecificLinkRuleVariable(linkRuleVar);
+ if(this->GetFeatureAsBool("INTERPROCEDURAL_OPTIMIZATION") &&
+ this->Makefile->GetDefinition((linkRuleVar+"_IPO").c_str()))
+ {
+ linkRuleVar += "_IPO";
+ }
std::string extraFlags;
this->LocalGenerator->GetStaticLibraryFlags(extraFlags,
@@ -490,7 +494,6 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules
std::string arCreateVar = "CMAKE_";
arCreateVar += linkLanguage;
arCreateVar += "_ARCHIVE_CREATE";
- arCreateVar = this->GetFeatureSpecificLinkRuleVariable(arCreateVar);
if(const char* rule = this->Makefile->GetDefinition(arCreateVar.c_str()))
{
cmSystemTools::ExpandListArgument(rule, archiveCreateCommands);
@@ -498,7 +501,6 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules
std::string arAppendVar = "CMAKE_";
arAppendVar += linkLanguage;
arAppendVar += "_ARCHIVE_APPEND";
- arAppendVar = this->GetFeatureSpecificLinkRuleVariable(arAppendVar);
if(const char* rule = this->Makefile->GetDefinition(arAppendVar.c_str()))
{
cmSystemTools::ExpandListArgument(rule, archiveAppendCommands);
@@ -506,7 +508,6 @@ void cmMakefileLibraryTargetGenerator::WriteLibraryRules
std::string arFinishVar = "CMAKE_";
arFinishVar += linkLanguage;
arFinishVar += "_ARCHIVE_FINISH";
- arFinishVar = this->GetFeatureSpecificLinkRuleVariable(arFinishVar);
if(const char* rule = this->Makefile->GetDefinition(arFinishVar.c_str()))
{
cmSystemTools::ExpandListArgument(rule, archiveFinishCommands);
diff --git a/Source/cmMakefileTargetGenerator.cxx
b/Source/cmMakefileTargetGenerator.cxx
index 14dd6ab..7f90078 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -1664,20 +1664,6 @@ void cmMakefileTargetGenerator
}
//----------------------------------------------------------------------------
-std::string cmMakefileTargetGenerator::GetFeatureSpecificLinkRuleVariable(
- std::string const& var) const
-{
- std::string ipoVar = var + "_IPO";
- if(this->GetFeatureAsBool("INTERPROCEDURAL_OPTIMIZATION") &&
- this->Makefile->GetDefinition(ipoVar.c_str()))
- {
- return ipoVar;
- }
-
- return var;
-}
-
-//----------------------------------------------------------------------------
std::string cmMakefileTargetGenerator::GetLinkRule(const char* linkRuleVar)
{
std::string linkRule = this->Makefile->GetRequiredDefinition(linkRuleVar);
@@ -2055,13 +2041,13 @@ void
cmMakefileTargetGenerator::AddModuleDefinitionFlag(std::string& flags)
}
//----------------------------------------------------------------------------
-const char* cmMakefileTargetGenerator::GetFeature(const char* feature) const
+const char* cmMakefileTargetGenerator::GetFeature(const char* feature)
{
return this->Target->GetFeature(feature, this->ConfigName);
}
//----------------------------------------------------------------------------
-bool cmMakefileTargetGenerator::GetFeatureAsBool(const char* feature) const
+bool cmMakefileTargetGenerator::GetFeatureAsBool(const char* feature)
{
return cmSystemTools::IsOn(this->GetFeature(feature));
}
diff --git a/Source/cmMakefileTargetGenerator.h
b/Source/cmMakefileTargetGenerator.h
index 16524c3..4f8fafa 100644
--- a/Source/cmMakefileTargetGenerator.h
+++ b/Source/cmMakefileTargetGenerator.h
@@ -137,9 +137,6 @@ protected:
// Append link rule dependencies (objects, etc.).
void AppendLinkDepends(std::vector<std::string>& depends);
- // Get feature specific link rule variable (e.g. <var>_IPO)
- std::string GetFeatureSpecificLinkRuleVariable(std::string const& var) const;
-
// Lookup the link rule for this target.
std::string GetLinkRule(const char* linkRuleVar);
@@ -261,8 +258,8 @@ protected:
void AddFeatureFlags(std::string& flags, const char* lang);
// Feature query methods.
- const char* GetFeature(const char* feature) const;
- bool GetFeatureAsBool(const char* feature) const;
+ const char* GetFeature(const char* feature);
+ bool GetFeatureAsBool(const char* feature);
//==================================================================
// Convenience routines that do nothing more than forward to
diff --git a/Source/cmNinjaNormalTargetGenerator.cxx
b/Source/cmNinjaNormalTargetGenerator.cxx
index b979be1..73ba815 100644
--- a/Source/cmNinjaNormalTargetGenerator.cxx
+++ b/Source/cmNinjaNormalTargetGenerator.cxx
@@ -140,17 +140,10 @@ std::string
cmNinjaNormalTargetGenerator
::LanguageLinkerRule() const
{
- std::string var = std::string(this->TargetLinkLanguage)
+ return std::string(this->TargetLinkLanguage)
+ "_"
+ cmTarget::GetTargetTypeName(this->GetTarget()->GetType())
+ "_LINKER";
-
- if(this->GetFeatureAsBool("INTERPROCEDURAL_OPTIMIZATION"))
- {
- var += "_IPO";
- }
-
- return var;
}
void
@@ -159,7 +152,6 @@ cmNinjaNormalTargetGenerator
{
cmTarget::TargetType targetType = this->GetTarget()->GetType();
std::string ruleName = this->LanguageLinkerRule();
-
if (useResponseFile)
ruleName += "_RSP_FILE";
@@ -328,7 +320,6 @@ cmNinjaNormalTargetGenerator
std::string linkCmdVar = "CMAKE_";
linkCmdVar += this->TargetLinkLanguage;
linkCmdVar += "_CREATE_STATIC_LIBRARY";
- linkCmdVar = this->GetFeatureSpecificLinkRuleVariable(linkCmdVar);
if (const char *linkCmd =
this->GetMakefile()->GetDefinition(linkCmdVar.c_str()))
{
@@ -349,7 +340,6 @@ cmNinjaNormalTargetGenerator
std::string linkCmdVar = "CMAKE_";
linkCmdVar += this->TargetLinkLanguage;
linkCmdVar += "_ARCHIVE_CREATE";
- linkCmdVar = this->GetFeatureSpecificLinkRuleVariable(linkCmdVar);
const char *linkCmd =
this->GetMakefile()->GetRequiredDefinition(linkCmdVar.c_str());
cmSystemTools::ExpandListArgument(linkCmd, linkCmds);
@@ -358,7 +348,6 @@ cmNinjaNormalTargetGenerator
std::string linkCmdVar = "CMAKE_";
linkCmdVar += this->TargetLinkLanguage;
linkCmdVar += "_ARCHIVE_FINISH";
- linkCmdVar = this->GetFeatureSpecificLinkRuleVariable(linkCmdVar);
const char *linkCmd =
this->GetMakefile()->GetRequiredDefinition(linkCmdVar.c_str());
cmSystemTools::ExpandListArgument(linkCmd, linkCmds);
@@ -489,9 +478,6 @@ void cmNinjaNormalTargetGenerator::WriteLinkStatement()
std::string flags = (targetType == cmTarget::EXECUTABLE
? vars["FLAGS"]
: vars["ARCH_FLAGS"]);
-
- this->AddFeatureFlags(flags, this->TargetLinkLanguage);
-
this->GetLocalGenerator()->AddArchitectureFlags(flags,
this->GetGeneratorTarget(),
this->TargetLinkLanguage,
diff --git a/Source/cmNinjaTargetGenerator.cxx
b/Source/cmNinjaTargetGenerator.cxx
index 2af7bf11..82f8d1b 100644
--- a/Source/cmNinjaTargetGenerator.cxx
+++ b/Source/cmNinjaTargetGenerator.cxx
@@ -97,33 +97,18 @@ const char* cmNinjaTargetGenerator::GetConfigName() const
}
// TODO: Picked up from cmMakefileTargetGenerator. Refactor it.
-const char* cmNinjaTargetGenerator::GetFeature(const char* feature) const
+const char* cmNinjaTargetGenerator::GetFeature(const char* feature)
{
return this->Target->GetFeature(feature, this->GetConfigName());
}
// TODO: Picked up from cmMakefileTargetGenerator. Refactor it.
-bool cmNinjaTargetGenerator::GetFeatureAsBool(const char* feature) const
+bool cmNinjaTargetGenerator::GetFeatureAsBool(const char* feature)
{
return cmSystemTools::IsOn(this->GetFeature(feature));
}
// TODO: Picked up from cmMakefileTargetGenerator. Refactor it.
-std::string cmNinjaTargetGenerator::GetFeatureSpecificLinkRuleVariable(
- std::string const& var) const
-{
- std::string ipoVar = var + "_IPO";
- if(this->GetFeatureAsBool("INTERPROCEDURAL_OPTIMIZATION") &&
- this->Makefile->GetDefinition(ipoVar.c_str()))
- {
- return ipoVar;
- }
-
- return var;
-}
-
-
-// TODO: Picked up from cmMakefileTargetGenerator. Refactor it.
void cmNinjaTargetGenerator::AddFeatureFlags(std::string& flags,
const char* lang)
{
diff --git a/Source/cmNinjaTargetGenerator.h b/Source/cmNinjaTargetGenerator.h
index bce3647..2ce1ed7 100644
--- a/Source/cmNinjaTargetGenerator.h
+++ b/Source/cmNinjaTargetGenerator.h
@@ -70,9 +70,8 @@ protected:
std::string LanguageCompilerRule(const std::string& lang) const
{ return lang + "_COMPILER"; }
- const char* GetFeature(const char* feature) const;
- bool GetFeatureAsBool(const char* feature) const;
- std::string GetFeatureSpecificLinkRuleVariable(std::string const& var) const;
+ const char* GetFeature(const char* feature);
+ bool GetFeatureAsBool(const char* feature);
void AddFeatureFlags(std::string& flags, const char* lang);
/**
diff --git a/Tests/IPO/CMakeLists.txt b/Tests/IPO/CMakeLists.txt
index b45ec89..6dabf86 100644
--- a/Tests/IPO/CMakeLists.txt
+++ b/Tests/IPO/CMakeLists.txt
@@ -1,13 +1,5 @@
cmake_minimum_required (VERSION 2.8)
-project(IPO C)
-
-message("======== IPO specific variables ======")
-get_cmake_property(variables VARIABLES)
-foreach(variable ${variables})
- if("${variable}xxx" MATCHES "_IPOxxx")
- message("${variable}: [${${variable}}]")
- endif()
-endforeach()
+project(IPO NONE)
set_property(DIRECTORY PROPERTY INTERPROCEDURAL_OPTIMIZATION 1)
-----------------------------------------------------------------------
Summary of changes:
Modules/Compiler/GNU.cmake | 92 ---------------------------
Source/cmMakefileLibraryTargetGenerator.cxx | 9 +--
Source/cmMakefileTargetGenerator.cxx | 18 +-----
Source/cmMakefileTargetGenerator.h | 7 +-
Source/cmNinjaNormalTargetGenerator.cxx | 16 +----
Source/cmNinjaTargetGenerator.cxx | 19 +-----
Source/cmNinjaTargetGenerator.h | 5 +-
Tests/IPO/CMakeLists.txt | 10 +--
8 files changed, 15 insertions(+), 161 deletions(-)
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