[x265] [PATCH] cmake: support PGO and NATIVE_BUILD for Intel C++ (icpc)

[Steve Borho]

# HG changeset patch
# User Steve Borho <steve at borho.org>
# Date 1427840459 18000
#      Tue Mar 31 17:20:59 2015 -0500
# Branch stable
# Node ID 1116068943dd05f62ee7afc37817435231b2d077
# Parent  3e8737609c2deda6a41bcaf3b65485a766570abe
cmake: support PGO and NATIVE_BUILD for Intel C++ (icpc)

diff -r 3e8737609c2d -r 1116068943dd source/CMakeLists.txt
--- a/source/CMakeLists.txt	Tue Mar 31 02:01:23 2015 -0500
+++ b/source/CMakeLists.txt	Tue Mar 31 17:20:59 2015 -0500
@@ -147,7 +147,11 @@
          add_definitions(-fPIC)
     endif(ENABLE_PIC)
     if(NATIVE_BUILD)
-        add_definitions(-march=native)
+        if(INTEL_CXX)
+            add_definitions(-xhost)
+        else()
+            add_definitions(-march=native)
+        endif()
     elseif(X86 AND NOT X64)
         add_definitions(-march=i686)
     endif()
@@ -155,28 +159,38 @@
         add_definitions(-march=armv6 -mfloat-abi=hard -mfpu=vfp)
     endif()
     if(FPROFILE_GENERATE)
-        check_cxx_compiler_flag(-fprofile-generate CC_HAS_PROFILE_GENERATE)
-        if(CC_HAS_PROFILE_GENERATE)
-            add_definitions(-fprofile-generate)
-            list(APPEND LINKER_OPTIONS "-fprofile-generate")
-        endif(CC_HAS_PROFILE_GENERATE)
+        if(INTEL_CXX)
+            add_definitions(-prof-gen -prof-dir="${CMAKE_CURRENT_BINARY_DIR}")
+            list(APPEND LINKER_OPTIONS "-prof-gen")
+        else()
+            check_cxx_compiler_flag(-fprofile-generate CC_HAS_PROFILE_GENERATE)
+            if(CC_HAS_PROFILE_GENERATE)
+                add_definitions(-fprofile-generate)
+                list(APPEND LINKER_OPTIONS "-fprofile-generate")
+            endif(CC_HAS_PROFILE_GENERATE)
+        endif(INTEL_CXX)
     endif(FPROFILE_GENERATE)
     if(FPROFILE_USE)
-        check_cxx_compiler_flag(-fprofile-use CC_HAS_PROFILE_USE)
-        check_cxx_compiler_flag(-fprofile-correction CC_HAS_PROFILE_CORRECTION)
-        check_cxx_compiler_flag(-Wno-error=coverage-mismatch CC_HAS_COVMISMATCH)
-        if(CC_HAS_PROFILE_USE)
-            add_definitions(-fprofile-use)
-            list(APPEND LINKER_OPTIONS "-fprofile-use")
-        endif(CC_HAS_PROFILE_USE)
-        if(CC_HAS_PROFILE_CORRECTION)
-            # auto-correct corrupted counters (happens a lot with x265)
-            add_definitions(-fprofile-correction)
-        endif(CC_HAS_PROFILE_CORRECTION)
-        if(CC_HAS_COVMISMATCH)
-            # ignore coverage mismatches (also happens a lot)
-            add_definitions(-Wno-error=coverage-mismatch)
-        endif(CC_HAS_COVMISMATCH)
+        if(INTEL_CXX)
+            add_definitions(-prof-use -prof-dir="${CMAKE_CURRENT_BINARY_DIR}")
+            list(APPEND LINKER_OPTIONS "-prof-use")
+        else()
+            check_cxx_compiler_flag(-fprofile-use CC_HAS_PROFILE_USE)
+            check_cxx_compiler_flag(-fprofile-correction CC_HAS_PROFILE_CORRECTION)
+            check_cxx_compiler_flag(-Wno-error=coverage-mismatch CC_HAS_COVMISMATCH)
+            if(CC_HAS_PROFILE_USE)
+                add_definitions(-fprofile-use)
+                list(APPEND LINKER_OPTIONS "-fprofile-use")
+            endif(CC_HAS_PROFILE_USE)
+            if(CC_HAS_PROFILE_CORRECTION)
+                # auto-correct corrupted counters (happens a lot with x265)
+                add_definitions(-fprofile-correction)
+            endif(CC_HAS_PROFILE_CORRECTION)
+            if(CC_HAS_COVMISMATCH)
+                # ignore coverage mismatches (also happens a lot)
+                add_definitions(-Wno-error=coverage-mismatch)
+            endif(CC_HAS_COVMISMATCH)
+        endif(INTEL_CXX)
     endif(FPROFILE_USE)
     if(STATIC_LINK_CRT)
         add_definitions(-static)