9 files changed, 33 insertions, 23 deletions
diff --git a/Modules/CMakeFindBinUtils.cmake b/Modules/CMakeFindBinUtils.cmake
index e0ba131..376a6dc 100644
--- a/Modules/CMakeFindBinUtils.cmake
+++ b/Modules/CMakeFindBinUtils.cmake
@@ -30,12 +30,12 @@
 #  License text for the above reference.)
 
 # if it's the MS C/CXX compiler, search for link
-if("${CMAKE_C_SIMULATE_ID}" STREQUAL "MSVC"
-   OR "${CMAKE_CXX_SIMULATE_ID}" STREQUAL "MSVC"
-   OR "${CMAKE_Fortran_SIMULATE_ID}" STREQUAL "MSVC"
-   OR "${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC"
-   OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC"
-   OR ("${CMAKE_GENERATOR}" MATCHES "Visual Studio"
+if("x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC"
+   OR "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC"
+   OR "x${CMAKE_Fortran_SIMULATE_ID}" STREQUAL "xMSVC"
+   OR "x${CMAKE_C_COMPILER_ID}" STREQUAL "xMSVC"
+   OR "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC"
+   OR (CMAKE_GENERATOR MATCHES "Visual Studio"
        AND NOT CMAKE_VS_PLATFORM_NAME STREQUAL "Tegra-Android"))
 
   find_program(CMAKE_LINKER NAMES link HINTS ${_CMAKE_TOOLCHAIN_LOCATION})
diff --git a/Modules/Compiler/AppleClang-CXX.cmake b/Modules/Compiler/AppleClang-CXX.cmake
index 0372e18..c1acae6 100644
--- a/Modules/Compiler/AppleClang-CXX.cmake
+++ b/Modules/Compiler/AppleClang-CXX.cmake
@@ -1,6 +1,6 @@
 include(Compiler/Clang)
 __compiler_clang(CXX)
 
-if(NOT CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")
+if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
   set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
 endif()
diff --git a/Modules/Compiler/Clang-C.cmake b/Modules/Compiler/Clang-C.cmake
index 05d3c0b..d504d69 100644
--- a/Modules/Compiler/Clang-C.cmake
+++ b/Modules/Compiler/Clang-C.cmake
@@ -6,7 +6,7 @@ if(WIN32 OR (APPLE AND NOT appleClangPolicy STREQUAL NEW))
   return()
 endif()
 
-if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
+if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
   set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c90")
   set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu90")
 
@@ -17,14 +17,18 @@ if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
   set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu11")
 endif()
 
-set(CMAKE_C_STANDARD_DEFAULT 90)
+if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.6)
+  set(CMAKE_C_STANDARD_DEFAULT 11)
+elseif(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
+  set(CMAKE_C_STANDARD_DEFAULT 99)
+endif()
 
 macro(cmake_record_c_compile_features)
   macro(_get_clang_features std_version list)
     record_compiler_features(C "-std=${std_version}" ${list})
   endmacro()
 
-  if (UNIX AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
+  if (UNIX AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
     _get_clang_features(c11 CMAKE_C11_COMPILE_FEATURES)
     if (_result EQUAL 0)
       _get_clang_features(c99 CMAKE_C99_COMPILE_FEATURES)
diff --git a/Modules/Compiler/Clang-CXX.cmake b/Modules/Compiler/Clang-CXX.cmake
index 5dd7b4a..9ef1413 100644
--- a/Modules/Compiler/Clang-CXX.cmake
+++ b/Modules/Compiler/Clang-CXX.cmake
@@ -1,7 +1,7 @@
 include(Compiler/Clang)
 __compiler_clang(CXX)
 
-if(NOT CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")
+if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
   set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
 endif()
 
diff --git a/Modules/Compiler/Clang.cmake b/Modules/Compiler/Clang.cmake
index eeba119..701089c 100644
--- a/Modules/Compiler/Clang.cmake
+++ b/Modules/Compiler/Clang.cmake
@@ -18,8 +18,8 @@ if(__COMPILER_CLANG)
 endif()
 set(__COMPILER_CLANG 1)
 
-if(CMAKE_C_SIMULATE_ID STREQUAL "MSVC"
-    OR CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")
+if("x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC"
+    OR "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
   macro(__compiler_clang lang)
   endmacro()
 else()
diff --git a/Modules/Compiler/GNU-C.cmake b/Modules/Compiler/GNU-C.cmake
index 35954be..24d439d 100644
--- a/Modules/Compiler/GNU-C.cmake
+++ b/Modules/Compiler/GNU-C.cmake
@@ -12,8 +12,11 @@ if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7)
   set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu11")
 endif()
 
-# This may change in a future GNU version.
-set(CMAKE_C_STANDARD_DEFAULT 90)
+if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0)
+  set(CMAKE_C_STANDARD_DEFAULT 11)
+else(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7)
+  set(CMAKE_C_STANDARD_DEFAULT 90)
+endif()
 
 macro(cmake_record_c_compile_features)
   macro(_get_gcc_features std_version list)
diff --git a/Modules/FindJava.cmake b/Modules/FindJava.cmake
index 79be34e..bb73853 100644
--- a/Modules/FindJava.cmake
+++ b/Modules/FindJava.cmake
@@ -115,7 +115,10 @@ if(Java_JAVA_EXECUTABLE)
       OUTPUT_STRIP_TRAILING_WHITESPACE
       ERROR_STRIP_TRAILING_WHITESPACE)
     if( res )
-      if(${Java_FIND_REQUIRED})
+      if(var MATCHES "No Java runtime present, requesting install")
+        set_property(CACHE Java_JAVA_EXECUTABLE
+          PROPERTY VALUE "Java_JAVA_EXECUTABLE-NOTFOUND")
+      elseif(${Java_FIND_REQUIRED})
         message( FATAL_ERROR "Error executing java -version" )
       else()
         message( STATUS "Warning, could not run java -version")
diff --git a/Modules/FindOpenMP.cmake b/Modules/FindOpenMP.cmake
index 801b4f8..a102c66 100644
--- a/Modules/FindOpenMP.cmake
+++ b/Modules/FindOpenMP.cmake
@@ -111,11 +111,11 @@ int main() {
 # same in Fortran
 set(OpenMP_Fortran_TEST_SOURCE
   "
-program test
-use omp_lib
-integer :: n
-n = omp_get_num_threads()
-end program test
+      program test
+      use omp_lib
+      integer :: n
+      n = omp_get_num_threads()
+      end program test
   "
   )
 
diff --git a/Modules/Platform/Windows-Clang.cmake b/Modules/Platform/Windows-Clang.cmake
index 4c936fe..da19a3d 100644
--- a/Modules/Platform/Windows-Clang.cmake
+++ b/Modules/Platform/Windows-Clang.cmake
@@ -18,8 +18,8 @@ if(__WINDOWS_CLANG)
 endif()
 set(__WINDOWS_CLANG 1)
 
-if(CMAKE_C_SIMULATE_ID STREQUAL "MSVC"
-    OR CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")
+if("x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC"
+    OR "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
   include(Platform/Windows-MSVC)
   macro(__windows_compiler_clang lang)
     __windows_compiler_msvc(${lang})