[CMake] Rename FindCXX*.cmake and FindSharedPtr.cmake.

They do not find a package but check for a feature.
This avoids false warnings about not found packages.
Merged FindCXX11Conditional.cmake and FindCXX11Features.cmake.

cmake/modules/CMakeLists.txt

@@ -2,6 +2,8 @@ set(modules
   AddGMPFlags.cmake
   AddMETISFlags.cmake
   AddParMETISFlags.cmake
+  CheckCXX11Features.cmake
+  CheckSharedPtr.cmake
   DuneBoost.cmake
   DuneCommonMacros.cmake
   DuneCxaDemangle.cmake
@@ -14,14 +16,11 @@ set(modules
   DuneTestMacros.cmake
   DuneTests.cmake
   FindBoostFusion.cmake
-  FindCXX11Conditional.cmake
-  FindCXX11Features.cmake
   FindGMP.cmake
   FindInkscape.cmake
   FindMETIS.cmake
   FindMProtect.cmake
   FindParMETIS.cmake
-  FindSharedPtr.cmake
   Headercheck.cmake
   LanguageSupport.cmake
   UseInkscape.cmake

cmake/modules/FindCXX11Features.cmake → cmake/modules/CheckCXX11Features.cmake

@@ -14,6 +14,7 @@
 # HAVE_VARIADIC_TEMPLATES          True if variadic templates are supprt
 # HAVE_VARIADIC_CONSTRUCTOR_SFINAE True if variadic constructor sfinae is supported
 # HAVE_RVALUE_REFERENCES           True if rvalue references are supported
+# HAVE_STD_CONDITIONAL             True if std::conditional is supported
 
 include(CMakePushCheckState)
 cmake_push_check_state()
@@ -288,4 +289,15 @@ CHECK_CXX_SOURCE_COMPILES("
   }
 " HAVE_RVALUE_REFERENCES
 )
+
+# std::conditional
+check_cxx_source_compiles("
+  #include <type_traits>
+
+  int main(void){
+      return std::conditional<true,std::integral_constant<int,0>,void>::type::value;
+  }
+" HAVE_STD_CONDITIONAL
+)
+
 cmake_pop_check_state()

cmake/modules/DuneCommonMacros.cmake

@@ -8,7 +8,7 @@
 include(DuneStreams)
 dune_set_minimal_debug_level()
 
-find_package(SharedPtr)
+include(CheckSharedPtr)
 if(Fortran_Works)
   # search for lapack
   find_package(LAPACK)

cmake/modules/DuneMacros.cmake

@@ -423,8 +423,7 @@ macro(dune_project)
   endif(DUNE_USE_ONLY_STATIC_LIBS)
 
   # set required compiler flags for C++11 (former C++0x)
-  find_package(CXX11Features)
-  find_package(CXX11Conditional)
+  include(CheckCXX11Features)
 
   include(DuneCxaDemangle)
 

cmake/modules/FindCXX11Conditional.cmake

-# Module that checks whether the compiler supports
-# C++11 std::conditional.
-#
-# Sets the following variable:
-# HAVE_STD_CONDITIONAL
-#
-# perform tests
-include(CheckCXXSourceCompiles)
-
-check_cxx_source_compiles("
-
-  #include <type_traits>
-
-  int main(void){
-      return std::conditional<true,std::integral_constant<int,0>,void>::type::value;
-  }"
-  HAVE_STD_CONDITIONAL)

cmake/modules/Makefile.am

-MODULES = DuneBoost.cmake \
+MODULES = \
+  CheckCXX11Features.cmake \
+  CheckSharedPtr.cmake     \
+  DuneBoost.cmake \
   DuneCommonMacros.cmake  \
   DuneCxaDemangle.cmake   \
   DuneDoc.cmake           \
@@ -10,14 +13,11 @@ MODULES = DuneBoost.cmake \
   DuneTestMacros.cmake    \
   DuneTests.cmake         \
   FindBoostFusion.cmake   \
-  FindCXX11Conditional.cmake \
-  FindCXX11Features.cmake \
   FindGMP.cmake           \
   FindInkscape.cmake      \
   FindMETIS.cmake         \
   FindMProtect.cmake      \
   FindParMETIS.cmake      \
-  FindSharedPtr.cmake     \
   Headercheck.cmake       \
   LanguageSupport.cmake   \
   UseLATEX.cmake