[Cmake-commits] CMake branch, next, updated. v2.8.12.2-7722-ga06c946

Nils Gladitz nilsgladitz at gmail.com
Fri Feb 14 05:17:07 EST 2014


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The branch, next has been updated
       via  a06c9465cf9c2dcc66a5b07327ecbe24ae667295 (commit)
       via  d07f430247406f682e01e8e2067b079e4fe2f4cf (commit)
      from  7e21d8d7d49f1f2da42f331d768f8b5a46b7ecff (commit)

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- Log -----------------------------------------------------------------
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=a06c9465cf9c2dcc66a5b07327ecbe24ae667295
commit a06c9465cf9c2dcc66a5b07327ecbe24ae667295
Merge: 7e21d8d d07f430
Author:     Nils Gladitz <nilsgladitz at gmail.com>
AuthorDate: Fri Feb 14 05:17:06 2014 -0500
Commit:     CMake Topic Stage <kwrobot at 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 <nilsgladitz at gmail.com>
AuthorDate: Fri Feb 14 11:16:05 2014 +0100
Commit:     Nils Gladitz <nilsgladitz at 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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