4 files changed, 30 insertions, 22 deletions
diff --git a/Modules/Platform/CYGWIN.cmake b/Modules/Platform/CYGWIN.cmake
index 22816e7..9b897bd 100644
--- a/Modules/Platform/CYGWIN.cmake
+++ b/Modules/Platform/CYGWIN.cmake
@@ -62,3 +62,13 @@ set(CMAKE_FIND_LIBRARY_SUFFIXES ".dll.a" ".a")
 set(CMAKE_SHARED_LIBRARY_NAME_WITH_VERSION 1)
 
 include(Platform/UnixPaths)
+
+# Windows API on Cygwin
+list(APPEND CMAKE_SYSTEM_INCLUDE_PATH
+  /usr/include/w32api
+  )
+
+# Windows API on Cygwin
+list(APPEND CMAKE_SYSTEM_LIBRARY_PATH
+  /usr/lib/w32api
+  )
diff --git a/Modules/Platform/Linux-Intel.cmake b/Modules/Platform/Linux-Intel.cmake
index 85a0772..45dc36f 100644
--- a/Modules/Platform/Linux-Intel.cmake
+++ b/Modules/Platform/Linux-Intel.cmake
@@ -30,12 +30,17 @@ macro(__linux_compiler_intel lang)
   # executables that use dlopen but do not set ENABLE_EXPORTS.
   set(CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS "-rdynamic")
 
+  set(_CMAKE_IPO_SUPPORTED_BY_CMAKE YES)
+
   if(XIAR)
     # INTERPROCEDURAL_OPTIMIZATION
     set(CMAKE_${lang}_COMPILE_OPTIONS_IPO -ipo)
     set(CMAKE_${lang}_CREATE_STATIC_LIBRARY_IPO
       "${XIAR} cr <TARGET> <LINK_FLAGS> <OBJECTS> "
       "${XIAR} -s <TARGET> ")
+    set(_CMAKE_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
+  else()
+    set(_CMAKE_IPO_MAY_BE_SUPPORTED_BY_COMPILER NO)
   endif()
 
   if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 12.0)
diff --git a/Modules/Platform/SunOS.cmake b/Modules/Platform/SunOS.cmake
index 58398c0..e19e89a 100644
--- a/Modules/Platform/SunOS.cmake
+++ b/Modules/Platform/SunOS.cmake
@@ -9,6 +9,11 @@ endif()
 
 include(Platform/UnixPaths)
 
+list(APPEND CMAKE_SYSTEM_PREFIX_PATH
+  /opt/csw
+  /opt/openwin
+  )
+
 # The Sun linker needs to find transitive shared library dependencies
 # in the -L path.
 set(CMAKE_LINK_DEPENDENT_LIBRARY_DIRS 1)
diff --git a/Modules/Platform/UnixPaths.cmake b/Modules/Platform/UnixPaths.cmake
index b216d03..5687653 100644
--- a/Modules/Platform/UnixPaths.cmake
+++ b/Modules/Platform/UnixPaths.cmake
@@ -41,35 +41,22 @@ if (NOT CMAKE_FIND_NO_INSTALL_PREFIX)
   endif()
 endif()
 
+# Non "standard" but common install prefixes
+list(APPEND CMAKE_SYSTEM_PREFIX_PATH
+  /usr/X11R6
+  /usr/pkg
+  /opt
+  )
+
 # List common include file locations not under the common prefixes.
 list(APPEND CMAKE_SYSTEM_INCLUDE_PATH
-  # Windows API on Cygwin
-  /usr/include/w32api
-
   # X11
-  /usr/X11R6/include /usr/include/X11
-
-  # Other
-  /usr/pkg/include
-  /opt/csw/include /opt/include
-  /usr/openwin/include
+  /usr/include/X11
   )
 
 list(APPEND CMAKE_SYSTEM_LIBRARY_PATH
-  # Windows API on Cygwin
-  /usr/lib/w32api
-
   # X11
-  /usr/X11R6/lib /usr/lib/X11
-
-  # Other
-  /usr/pkg/lib
-  /opt/csw/lib /opt/lib
-  /usr/openwin/lib
-  )
-
-list(APPEND CMAKE_SYSTEM_PROGRAM_PATH
-  /usr/pkg/bin
+  /usr/lib/X11
   )
 
 list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES
@@ -86,3 +73,4 @@ list(APPEND CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES
 # Enable use of lib32 and lib64 search path variants by default.
 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS TRUE)
 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS TRUE)
+set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIBX32_PATHS TRUE)