Change the default optimization from -O3 to -O2 in mysql_release.cmake BUILD_CONFIG...

Forwarded: https://jira.mariadb.org/browse/MDEV-19734?focusedCommentId=156606&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-156606

Gbp-Pq: Name 0025-Change-the-default-optimization-from-O3-to-O2-in-mys.patch

diff --git a/cmake/build_configurations/mysql_release.cmake b/cmake/build_configurations/mysql_release.cmake
index 3a081073f72d1912db6a72223a8c9718b2ffc59e..f8300aebcf877a141cc98d768667e223cee16e98 100644 (file)
--- a/cmake/build_configurations/mysql_release.cmake
+++ b/cmake/build_configurations/mysql_release.cmake
@@ -185,12 +185,12 @@ IF(UNIX)
   IF(CMAKE_COMPILER_IS_GNUCC)
     SET(COMMON_C_FLAGS               "-g -static-libgcc -fno-omit-frame-pointer -fno-strict-aliasing  -Wno-uninitialized")
     SET(CMAKE_C_FLAGS_DEBUG          "-O ${COMMON_C_FLAGS}")
-    SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-O3 ${COMMON_C_FLAGS}")
+    SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 ${COMMON_C_FLAGS}")
   ENDIF()
   IF(CMAKE_COMPILER_IS_GNUCXX)
     SET(COMMON_CXX_FLAGS               "-g -static-libgcc -fno-omit-frame-pointer -fno-strict-aliasing -Wno-uninitialized")
     SET(CMAKE_CXX_FLAGS_DEBUG          "-O ${COMMON_CXX_FLAGS}")
-    SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 ${COMMON_CXX_FLAGS}")
+    SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 ${COMMON_CXX_FLAGS}")
   ENDIF()
 
   # IBM Z flags
@@ -239,8 +239,8 @@ IF(UNIX)
       ENDIF()
       SET(CMAKE_C_FLAGS_DEBUG            "${COMMON_C_FLAGS}")
       SET(CMAKE_CXX_FLAGS_DEBUG          "${COMMON_CXX_FLAGS}")
-      SET(CMAKE_C_FLAGS_RELWITHDEBINFO   "-O3 -unroll2 -ip ${COMMON_C_FLAGS}")
-      SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -unroll2 -ip ${COMMON_CXX_FLAGS}")
+      SET(CMAKE_C_FLAGS_RELWITHDEBINFO   "-O2 -unroll2 -ip ${COMMON_C_FLAGS}")
+      SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -unroll2 -ip ${COMMON_CXX_FLAGS}")
       SET(WITH_SSL no)
     ENDIF()
   ENDIF()
@@ -249,12 +249,12 @@ IF(UNIX)
   IF(CMAKE_C_COMPILER_ID MATCHES "Clang")
     SET(COMMON_C_FLAGS               "-g -fno-omit-frame-pointer -fno-strict-aliasing -Wno-parentheses-equality -Wno-string-plus-int")
     SET(CMAKE_C_FLAGS_DEBUG          "${COMMON_C_FLAGS}")
-    SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-O3 ${COMMON_C_FLAGS}")
+    SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 ${COMMON_C_FLAGS}")
   ENDIF()
   IF(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     SET(COMMON_CXX_FLAGS               "-g -fno-omit-frame-pointer -fno-strict-aliasing -Wno-parentheses-equality -Wno-string-plus-int")
     SET(CMAKE_CXX_FLAGS_DEBUG          "${COMMON_CXX_FLAGS}")
-    SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 ${COMMON_CXX_FLAGS}")
+    SET(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 ${COMMON_CXX_FLAGS}")
   ENDIF()
 
   # Solaris flags