Merge topic 'osx-implicit-link-dirs'

cc676c3 OS X: Detect implicit linker framework search paths
2dd67c7 OS X: Detect implicit link directories on modern toolchains
ba58d0c OS X: Link with all framework search paths, not just the last

Modules/CMakeCCompiler.cmake.in

@@ -50,6 +50,7 @@ endif()
 
 set(CMAKE_C_IMPLICIT_LINK_LIBRARIES "@CMAKE_C_IMPLICIT_LINK_LIBRARIES@")
 set(CMAKE_C_IMPLICIT_LINK_DIRECTORIES "@CMAKE_C_IMPLICIT_LINK_DIRECTORIES@")
+set(CMAKE_C_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES "@CMAKE_C_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES@")
 
 @SET_CMAKE_CMCLDEPS_EXECUTABLE@
 @SET_CMAKE_CL_SHOWINCLUDE_PREFIX@

Modules/CMakeCXXCompiler.cmake.in

@@ -51,6 +51,7 @@ endif()
 
 set(CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "@CMAKE_CXX_IMPLICIT_LINK_LIBRARIES@")
 set(CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES "@CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES@")
+set(CMAKE_CXX_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES "@CMAKE_CXX_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES@")
 
 @SET_CMAKE_CMCLDEPS_EXECUTABLE@
 @SET_CMAKE_CL_SHOWINCLUDE_PREFIX@

Modules/CMakeDetermineCompilerABI.cmake

@@ -72,19 +72,9 @@ function(CMAKE_DETERMINE_COMPILER_ABI lang src)
       # Parse implicit linker information for this language, if available.
       set(implicit_dirs "")
       set(implicit_libs "")
-      set(MULTI_ARCH FALSE)
-      if(DEFINED CMAKE_OSX_ARCHITECTURES)
-        if( "${CMAKE_OSX_ARCHITECTURES}" MATCHES ";" )
-          set(MULTI_ARCH TRUE)
-        endif()
-      endif()
-      if(CMAKE_${lang}_VERBOSE_FLAG
-          # Implicit link information cannot be used explicitly for
-          # multiple OS X architectures, so we skip it.
-          AND NOT MULTI_ARCH
-          # Skip this with Xcode for now.
-          AND NOT "${CMAKE_GENERATOR}" MATCHES Xcode)
-        CMAKE_PARSE_IMPLICIT_LINK_INFO("${OUTPUT}" implicit_libs implicit_dirs log
+      set(implicit_fwks "")
+      if(CMAKE_${lang}_VERBOSE_FLAG)
+        CMAKE_PARSE_IMPLICIT_LINK_INFO("${OUTPUT}" implicit_libs implicit_dirs implicit_fwks log
           "${CMAKE_${lang}_IMPLICIT_OBJECT_REGEX}")
         file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
           "Parsed ${lang} implicit link information from above output:\n${log}\n\n")
@@ -112,8 +102,17 @@ function(CMAKE_DETERMINE_COMPILER_ABI lang src)
         message(STATUS "${_desc}")
       endif()
 
+      # Implicit link libraries cannot be used explicitly for multiple
+      # OS X architectures, so we skip it.
+      if(DEFINED CMAKE_OSX_ARCHITECTURES)
+        if("${CMAKE_OSX_ARCHITECTURES}" MATCHES ";")
+          set(implicit_libs "")
+        endif()
+      endif()
+
       set(CMAKE_${lang}_IMPLICIT_LINK_LIBRARIES "${implicit_libs}" PARENT_SCOPE)
       set(CMAKE_${lang}_IMPLICIT_LINK_DIRECTORIES "${implicit_dirs}" PARENT_SCOPE)
+      set(CMAKE_${lang}_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES "${implicit_fwks}" PARENT_SCOPE)
 
       # Detect library architecture directory name.
       if(CMAKE_LIBRARY_ARCHITECTURE_REGEX)

Modules/CMakeFortranCompiler.cmake.in

@@ -52,3 +52,4 @@ endif()
 
 set(CMAKE_Fortran_IMPLICIT_LINK_LIBRARIES "@CMAKE_Fortran_IMPLICIT_LINK_LIBRARIES@")
 set(CMAKE_Fortran_IMPLICIT_LINK_DIRECTORIES "@CMAKE_Fortran_IMPLICIT_LINK_DIRECTORIES@")
+set(CMAKE_Fortran_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES "@CMAKE_Fortran_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES@")

Modules/CMakeParseImplicitLinkInfo.cmake

@@ -16,9 +16,10 @@
 # This is used internally by CMake and should not be included by user
 # code.
 
-function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var log_var obj_regex)
+function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var fwk_var log_var obj_regex)
   set(implicit_libs_tmp "")
   set(implicit_dirs_tmp)
+  set(implicit_fwks_tmp)
   set(log "")
 
   # Parse implicit linker arguments.
@@ -36,6 +37,16 @@ function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var log_var obj_regex)
     set(cmd)
     if("${line}" MATCHES "${linker_regex}" AND
         NOT "${line}" MATCHES "${linker_exclude_regex}")
+      if(XCODE)
+        # Xcode unconditionally adds a path under the project build tree and
+        # on older versions it is not reported with proper quotes.  Remove it.
+        string(REGEX REPLACE "([][+.*()^])" "\\\\\\1" _dir_regex "${CMAKE_BINARY_DIR}")
+        string(REGEX REPLACE " -[FL]${_dir_regex}/([^ ]| [^-])+( |$)" " " xline "${line}")
+        if(NOT "x${xline}" STREQUAL "x${line}")
+          set(log "${log}  reduced line: [${line}]\n            to: [${xline}]\n")
+          set(line "${xline}")
+        endif()
+      endif()
       if(UNIX)
         separate_arguments(args UNIX_COMMAND "${line}")
       else()
@@ -97,6 +108,18 @@ function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var log_var obj_regex)
     endif()
   endforeach()
 
+  # Look for library search paths reported by linker.
+  if("${output_lines}" MATCHES ";Library search paths:((;\t[^;]+)+)")
+    string(REPLACE ";\t" ";" implicit_dirs_match "${CMAKE_MATCH_1}")
+    set(log "${log}  Library search paths: [${implicit_dirs_match}]\n")
+    list(APPEND implicit_dirs_tmp ${implicit_dirs_match})
+  endif()
+  if("${output_lines}" MATCHES ";Framework search paths:((;\t[^;]+)+)")
+    string(REPLACE ";\t" ";" implicit_fwks_match "${CMAKE_MATCH_1}")
+    set(log "${log}  Framework search paths: [${implicit_fwks_match}]\n")
+    list(APPEND implicit_fwks_tmp ${implicit_fwks_match})
+  endif()
+
   # Cleanup list of libraries and flags.
   # We remove items that are not language-specific.
   set(implicit_libs "")
@@ -108,21 +131,33 @@ function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var log_var obj_regex)
     endif()
   endforeach()
 
-  # Cleanup list of directories.
-  set(implicit_dirs "")
-  foreach(d IN LISTS implicit_dirs_tmp)
-    get_filename_component(dir "${d}" ABSOLUTE)
-    list(APPEND implicit_dirs "${dir}")
-    set(log "${log}  collapse dir [${d}] ==> [${dir}]\n")
+  # Cleanup list of library and framework directories.
+  set(desc_dirs "library")
+  set(desc_fwks "framework")
+  foreach(t dirs fwks)
+    set(implicit_${t} "")
+    foreach(d IN LISTS implicit_${t}_tmp)
+      get_filename_component(dir "${d}" ABSOLUTE)
+      string(FIND "${dir}" "${CMAKE_FILES_DIRECTORY}/" pos)
+      if(NOT pos LESS 0)
+        set(msg ", skipping non-system directory")
+      else()
+        set(msg "")
+        list(APPEND implicit_${t} "${dir}")
+      endif()
+      set(log "${log}  collapse ${desc_${t}} dir [${d}] ==> [${dir}]${msg}\n")
+    endforeach()
+    list(REMOVE_DUPLICATES implicit_${t})
   endforeach()
-  list(REMOVE_DUPLICATES implicit_dirs)
 
   # Log results.
   set(log "${log}  implicit libs: [${implicit_libs}]\n")
   set(log "${log}  implicit dirs: [${implicit_dirs}]\n")
+  set(log "${log}  implicit fwks: [${implicit_fwks}]\n")
 
   # Return results.
   set(${lib_var} "${implicit_libs}" PARENT_SCOPE)
   set(${dir_var} "${implicit_dirs}" PARENT_SCOPE)
+  set(${fwk_var} "${implicit_fwks}" PARENT_SCOPE)
   set(${log_var} "${log}" PARENT_SCOPE)
 endfunction()

Modules/Platform/Darwin-Clang.cmake

@@ -19,6 +19,7 @@ endif()
 set(__DARWIN_COMPILER_CLANG 1)
 
 macro(__darwin_compiler_clang lang)
+  set(CMAKE_${lang}_VERBOSE_FLAG "-v -Wl,-v") # also tell linker to print verbose output
   set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-dynamiclib -Wl,-headerpad_max_install_names")
   set(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS "-bundle -Wl,-headerpad_max_install_names")
   set(CMAKE_${lang}_SYSROOT_FLAG "-isysroot")

Modules/Platform/Darwin-GNU.cmake

@@ -19,6 +19,7 @@ endif()
 set(__DARWIN_COMPILER_GNU 1)
 
 macro(__darwin_compiler_gnu lang)
+  set(CMAKE_${lang}_VERBOSE_FLAG "-v -Wl,-v") # also tell linker to print verbose output
   # GNU does not have -shared on OS X
   set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-dynamiclib -Wl,-headerpad_max_install_names")
   set(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS "-bundle -Wl,-headerpad_max_install_names")

Modules/Platform/Darwin.cmake

@@ -256,6 +256,24 @@ set(CMAKE_CXX_CREATE_MACOSX_FRAMEWORK
 if(NOT DEFINED CMAKE_FIND_FRAMEWORK)
   set(CMAKE_FIND_FRAMEWORK FIRST)
 endif()
+
+# Older OS X linkers do not report their framework search path
+# with -v but "man ld" documents the following locations.
+set(CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES
+  ${_CMAKE_OSX_SYSROOT_PATH}/Library/Frameworks
+  ${_CMAKE_OSX_SYSROOT_PATH}/System/Library/Frameworks
+  )
+if(_CMAKE_OSX_SYSROOT_PATH)
+  # Treat some paths as implicit so we do not override the SDK versions.
+  list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES
+    /System/Library/Frameworks)
+endif()
+if("${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5")
+  # Older OS X tools had more implicit paths.
+  list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES
+    ${_CMAKE_OSX_SYSROOT_PATH}/Network/Library/Frameworks)
+endif()
+
 # set up the default search directories for frameworks
 set(CMAKE_SYSTEM_FRAMEWORK_PATH
   ~/Library/Frameworks

Source/cmComputeLinkInformation.cxx

@@ -1376,10 +1376,31 @@ void cmComputeLinkInformation::DropDirectoryItem(std::string const& item)
 //----------------------------------------------------------------------------
 void cmComputeLinkInformation::ComputeFrameworkInfo()
 {
-  // Avoid adding system framework paths.  See "man ld" on OS X.
-  this->FrameworkPathsEmmitted.insert("/Library/Frameworks");
-  this->FrameworkPathsEmmitted.insert("/Network/Library/Frameworks");
-  this->FrameworkPathsEmmitted.insert("/System/Library/Frameworks");
+  // Avoid adding implicit framework paths.
+  std::vector<std::string> implicitDirVec;
+
+  // Get platform-wide implicit directories.
+  if(const char* implicitLinks = this->Makefile->GetDefinition
+     ("CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES"))
+    {
+    cmSystemTools::ExpandListArgument(implicitLinks, implicitDirVec);
+    }
+
+  // Get language-specific implicit directories.
+  std::string implicitDirVar = "CMAKE_";
+  implicitDirVar += this->LinkLanguage;
+  implicitDirVar += "_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES";
+  if(const char* implicitDirs =
+     this->Makefile->GetDefinition(implicitDirVar.c_str()))
+    {
+    cmSystemTools::ExpandListArgument(implicitDirs, implicitDirVec);
+    }
+
+  for(std::vector<std::string>::const_iterator i = implicitDirVec.begin();
+      i != implicitDirVec.end(); ++i)
+    {
+    this->FrameworkPathsEmmitted.insert(*i);
+    }
 
   // Regular expression to extract a framework path and name.
   this->SplitFramework.compile("(.*)/(.*)\\.framework$");

Source/cmDocumentVariables.cxx

@@ -1641,6 +1641,15 @@ void cmDocumentVariables::DefineVariables(cmake* cm)
      "consistent when operating in a given build tree.",false,
      "Variables for Languages");
 
+  cm->DefineProperty
+    ("CMAKE_<LANG>_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES", cmProperty::VARIABLE,
+     "Implicit linker framework search path detected for language <LANG>.",
+     "These paths are implicit linker framework search directories for "
+     "the compiler's language.  "
+     "CMake automatically detects these directories for each language and "
+     "reports the results in this variable.", false,
+     "Variables for Languages");
+
   cm->DefineProperty
     ("CMAKE_<LANG>_IMPLICIT_LINK_LIBRARIES", cmProperty::VARIABLE,
      "Implicit link libraries and flags detected for language <LANG>.",

Source/cmLocalGenerator.cxx

@@ -1708,7 +1708,7 @@ void cmLocalGenerator::OutputLinkLibraries(std::string& linkLibraries,
   for(std::vector<std::string>::const_iterator fdi = fwDirs.begin();
       fdi != fwDirs.end(); ++fdi)
     {
-    frameworkPath = " -F";
+    frameworkPath += "-F";
     frameworkPath += this->Convert(fdi->c_str(), NONE, SHELL, false);
     frameworkPath += " ";
     }

Tests/CMakeTests/ImplicitLinkInfoTest.cmake.in

@@ -102,30 +102,132 @@ list(APPEND platforms linux64_test1)
 #-----------------------------------------------------------------------------
 # Mac
 
+# gcc -arch i686 dummy.c -v -Wl,-v
+set(mac_i686_gcc_Wlv_text " /usr/libexec/gcc/i686-apple-darwin10/4.2.1/collect2 -dynamic -arch i386 -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.6.o -L/usr/lib/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../../i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../.. /var/tmp//ccnhXAGL.o -lSystem -lgcc -lSystem
+collect2 version 4.2.1 (Apple Inc. build 5646) (i686 Darwin)
+/usr/libexec/gcc/i686-apple-darwin10/4.2.1/ld -dynamic -arch i386 -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.6.o -L/usr/lib/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../../i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../.. /var/tmp//ccSiuUhD.o -v -lSystem -lgcc -lSystem
+@(#)PROGRAM:ld  PROJECT:ld64-95.2.12
+Library search paths:
+	/usr/lib/i686-apple-darwin10/4.2.1
+	/usr/lib/gcc/i686-apple-darwin10/4.2.1
+	/usr/lib/gcc/i686-apple-darwin10/4.2.1
+	/usr/lib/i686-apple-darwin10/4.2.1
+	/usr/lib
+	/usr/lib
+	/usr/local/lib
+Framework search paths:
+	/Library/Frameworks/
+	/System/Library/Frameworks/")
+set(mac_i686_gcc_Wlv_libs "")
+set(mac_i686_gcc_Wlv_dirs "/usr/lib/i686-apple-darwin10/4.2.1;/usr/lib/gcc/i686-apple-darwin10/4.2.1;/usr/lib;/usr/local/lib")
+set(mac_i686_gcc_Wlv_fwks "/Library/Frameworks;/System/Library/Frameworks")
+list(APPEND platforms mac_i686_gcc_Wlv)
+
 # gcc -arch i686 dummy.c -v
 set(mac_i686_gcc_text " /usr/libexec/gcc/i686-apple-darwin10/4.2.1/collect2 -dynamic -arch i386 -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.6.o -L/usr/lib/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../../i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../.. /var/tmp//ccnhXAGL.o -lSystem -lgcc -lSystem")
 set(mac_i686_gcc_libs "")
 set(mac_i686_gcc_dirs "/usr/lib/i686-apple-darwin10/4.2.1;/usr/lib/gcc/i686-apple-darwin10/4.2.1;/usr/lib")
 list(APPEND platforms mac_i686_gcc)
 
+# g++ -arch i686 dummy.cxx -v -Wl,-v
+set(mac_i686_g++_Wlv_text " /usr/libexec/gcc/i686-apple-darwin10/4.2.1/collect2 -dynamic -arch i386 -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.6.o -L/usr/lib/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../../i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../.. /var/tmp//ccEXXICh.o -lstdc++ -lSystem -lgcc -lSystem
+collect2 version 4.2.1 (Apple Inc. build 5646) (i686 Darwin)
+/usr/libexec/gcc/i686-apple-darwin10/4.2.1/ld -dynamic -arch i386 -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.6.o -L/usr/lib/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../../i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../.. /var/tmp//ccWrBoVl.o -v -lstdc++ -lSystem -lgcc -lSystem
+@(#)PROGRAM:ld  PROJECT:ld64-95.2.12
+Library search paths:
+	/usr/lib/i686-apple-darwin10/4.2.1
+	/usr/lib/gcc/i686-apple-darwin10/4.2.1
+	/usr/lib/gcc/i686-apple-darwin10/4.2.1
+	/usr/lib/i686-apple-darwin10/4.2.1
+	/usr/lib
+	/usr/lib
+	/usr/local/lib
+Framework search paths:
+	/Library/Frameworks/
+	/System/Library/Frameworks/")
+set(mac_i686_g++_Wlv_libs "stdc++")
+set(mac_i686_g++_Wlv_dirs "/usr/lib/i686-apple-darwin10/4.2.1;/usr/lib/gcc/i686-apple-darwin10/4.2.1;/usr/lib;/usr/local/lib")
+set(mac_i686_g++_Wlv_fwks "/Library/Frameworks;/System/Library/Frameworks")
+list(APPEND platforms mac_i686_g++_Wlv)
+
 # g++ -arch i686 dummy.cxx -v
 set(mac_i686_g++_text " /usr/libexec/gcc/i686-apple-darwin10/4.2.1/collect2 -dynamic -arch i386 -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.6.o -L/usr/lib/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../../i686-apple-darwin10/4.2.1 -L/usr/lib/gcc/i686-apple-darwin10/4.2.1/../../.. /var/tmp//ccEXXICh.o -lstdc++ -lSystem -lgcc -lSystem")
 set(mac_i686_g++_libs "stdc++")
 set(mac_i686_g++_dirs "/usr/lib/i686-apple-darwin10/4.2.1;/usr/lib/gcc/i686-apple-darwin10/4.2.1;/usr/lib")
 list(APPEND platforms mac_i686_g++)
 
+# gfortran dummy.f -v -Wl,-v
+set(mac_i686_gfortran_Wlv_text " /usr/local/libexec/gcc/i386-apple-darwin9.7.0/4.4.1/collect2 -dynamic -arch i386 -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.5.o -L/usr/local/lib/gcc/i386-apple-darwin9.7.0/4.4.1 -L/usr/local/lib/gcc/i386-apple-darwin9.7.0/4.4.1/../../.. /var/tmp//cc9zXNax.o -v -lgfortranbegin -lgfortran -lgcc_s.10.5 -lgcc -lSystem
+collect2 version 4.4.1 20090623 (prerelease) (i686 Darwin)
+/usr/bin/ld -dynamic -arch i386 -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.5.o -L/usr/local/lib/gcc/i386-apple-darwin9.7.0/4.4.1 -L/usr/local/lib/gcc/i386-apple-darwin9.7.0/4.4.1/../../.. /var/tmp//cc9zXNax.o -v -lgfortranbegin -lgfortran -lgcc_s.10.5 -lgcc -lSystem
+@(#)PROGRAM:ld  PROJECT:ld64-95.2.12
+Library search paths:
+	/usr/local/lib/gcc/i386-apple-darwin9.7.0/4.4.1
+	/usr/local/lib
+	/usr/lib
+	/usr/local/lib
+Framework search paths:
+	/Library/Frameworks/
+	/System/Library/Frameworks/")
+set(mac_i686_gfortran_Wlv_libs "gfortranbegin;gfortran")
+set(mac_i686_gfortran_Wlv_dirs "/usr/local/lib/gcc/i386-apple-darwin9.7.0/4.4.1;/usr/local/lib;/usr/lib")
+set(mac_i686_gfortran_Wlv_fwks "/Library/Frameworks;/System/Library/Frameworks")
+list(APPEND platforms mac_i686_gfortran_Wlv)
+
 # gfortran dummy.f -v
 set(mac_i686_gfortran_text " /usr/libexec/gcc/i386-apple-darwin9.7.0/4.4.1/collect2 -dynamic -arch i386 -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.5.o -L/usr/lib/gcc/i386-apple-darwin9.7.0/4.4.1 -L/usr/lib/gcc -L/usr/lib/gcc/i386-apple-darwin9.7.0/4.4.1/../../.. /var/tmp//ccgqbX5P.o -lgfortranbegin -lgfortran -lgcc_s.10.5 -lgcc -lSystem")
 set(mac_i686_gfortran_libs "gfortranbegin;gfortran")
 set(mac_i686_gfortran_dirs "/usr/lib/gcc/i386-apple-darwin9.7.0/4.4.1;/usr/lib/gcc;/usr/lib")
 list(APPEND platforms mac_i686_gfortran)
 
+# gcc -arch ppc dummy.c -v -Wl,-v
+set(mac_ppc_gcc_Wlv_text " /usr/libexec/gcc/powerpc-apple-darwin10/4.2.1/collect2 -dynamic -arch ppc -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.5.o -L/usr/lib/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../../powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../.. /var/tmp//cclziQY4.o -v -lgcc -lSystemStubs -lSystem
+collect2 version 4.2.1 (Apple Inc. build 5646) (Darwin/PowerPC)
+/usr/libexec/gcc/powerpc-apple-darwin10/4.2.1/ld -dynamic -arch ppc -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.5.o -L/usr/lib/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../../powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../.. /var/tmp//cclziQY4.o -v -lgcc -lSystemStubs -lSystem
+@(#)PROGRAM:ld  PROJECT:ld64-95.2.12
+Library search paths:
+	/usr/lib/powerpc-apple-darwin10/4.2.1
+	/usr/lib/gcc/powerpc-apple-darwin10/4.2.1
+	/usr/lib/gcc/powerpc-apple-darwin10/4.2.1
+	/usr/lib/powerpc-apple-darwin10/4.2.1
+	/usr/lib
+	/usr/lib
+	/usr/local/lib
+Framework search paths:
+	/Library/Frameworks/
+	/System/Library/Frameworks/")
+set(mac_ppc_gcc_Wlv_libs "")
+set(mac_ppc_gcc_Wlv_dirs "/usr/lib/powerpc-apple-darwin10/4.2.1;/usr/lib/gcc/powerpc-apple-darwin10/4.2.1;/usr/lib;/usr/local/lib")
+set(mac_ppc_gcc_Wlv_fwks "/Library/Frameworks;/System/Library/Frameworks")
+list(APPEND platforms mac_ppc_gcc_Wlv)
+
 # gcc -arch ppc dummy.c -v
 set(mac_ppc_gcc_text " /usr/libexec/gcc/powerpc-apple-darwin10/4.2.1/collect2 -dynamic -arch ppc -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.5.o -L/usr/lib/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../../powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../.. /var/tmp//ccdcolsP.o -lgcc -lSystemStubs -lSystem")
 set(mac_ppc_gcc_libs "")
 set(mac_ppc_gcc_dirs "/usr/lib/powerpc-apple-darwin10/4.2.1;/usr/lib/gcc/powerpc-apple-darwin10/4.2.1;/usr/lib")
 list(APPEND platforms mac_ppc_gcc)
 
+# g++ -arch ppc dummy.cxx -v -Wl,-v
+set(mac_ppc_g++_Wlv_text " /usr/libexec/gcc/powerpc-apple-darwin10/4.2.1/collect2 -dynamic -arch ppc -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.5.o -L/usr/lib/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../../powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../.. /var/tmp//ccaFTkwq.o -v -lstdc++ -lgcc -lSystemStubs -lSystem
+collect2 version 4.2.1 (Apple Inc. build 5646) (Darwin/PowerPC)
+/usr/libexec/gcc/powerpc-apple-darwin10/4.2.1/ld -dynamic -arch ppc -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.5.o -L/usr/lib/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../../powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../.. /var/tmp//ccaFTkwq.o -v -lstdc++ -lgcc -lSystemStubs -lSystem
+@(#)PROGRAM:ld  PROJECT:ld64-95.2.12
+Library search paths:
+	/usr/lib/powerpc-apple-darwin10/4.2.1
+	/usr/lib/gcc/powerpc-apple-darwin10/4.2.1
+	/usr/lib/gcc/powerpc-apple-darwin10/4.2.1
+	/usr/lib/powerpc-apple-darwin10/4.2.1
+	/usr/lib
+	/usr/lib
+	/usr/local/lib
+Framework search paths:
+	/Library/Frameworks/
+	/System/Library/Frameworks/")
+set(mac_ppc_g++_Wlv_libs "stdc++")
+set(mac_ppc_g++_Wlv_dirs "/usr/lib/powerpc-apple-darwin10/4.2.1;/usr/lib/gcc/powerpc-apple-darwin10/4.2.1;/usr/lib;/usr/local/lib")
+set(mac_ppc_g++_Wlv_fwks "/Library/Frameworks;/System/Library/Frameworks")
+list(APPEND platforms mac_ppc_g++_Wlv)
+
 # g++ -arch ppc dummy.cxx -v
 set(mac_ppc_g++_text " /usr/libexec/gcc/powerpc-apple-darwin10/4.2.1/collect2 -dynamic -arch ppc -macosx_version_min 10.6.0 -weak_reference_mismatches non-weak -o a.out -lcrt1.10.5.o -L/usr/lib/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../../powerpc-apple-darwin10/4.2.1 -L/usr/lib/gcc/powerpc-apple-darwin10/4.2.1/../../.. /var/tmp//ccbjB6Lj.o -lstdc++ -lgcc -lSystemStubs -lSystem")
 set(mac_ppc_g++_libs "stdc++")
@@ -402,10 +504,10 @@ list(APPEND platforms msys_g77)
 # Test parsing for all above examples.
 
 foreach(p IN LISTS platforms)
-  cmake_parse_implicit_link_info("${${p}_text}" libs dirs log "${${p}_obj_regex}")
+  cmake_parse_implicit_link_info("${${p}_text}" libs dirs fwks log "${${p}_obj_regex}")
 
-  foreach(v libs dirs)
-    if(NOT "${${v}}" STREQUAL "${${p}_${v}}")
+  foreach(v libs dirs fwks)
+    if(DEFINED "${p}_${v}" AND NOT "${${v}}" STREQUAL "${${p}_${v}}")
       message(FATAL_ERROR
         "cmake_parse_implicit_link_info failed\n"
         "Expected '${p}' implicit ${v}\n"

Tests/SystemInformation/SystemInformation.in

@@ -96,7 +96,9 @@ CMAKE_CXX_LINK_EXECUTABLE == "${CMAKE_CXX_LINK_EXECUTABLE}"
 // implicit link info
 CMAKE_C_IMPLICIT_LINK_LIBRARIES == "${CMAKE_C_IMPLICIT_LINK_LIBRARIES}"
 CMAKE_C_IMPLICIT_LINK_DIRECTORIES == "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}"
+CMAKE_C_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES == "${CMAKE_C_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES}"
 CMAKE_CXX_IMPLICIT_LINK_LIBRARIES == "${CMAKE_CXX_IMPLICIT_LINK_LIBRARIES}"
 CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES == "${CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES}"
+CMAKE_CXX_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES == "${CMAKE_CXX_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES}"
 
 XCODE_VERSION == "${XCODE_VERSION}"