Make MariaDB CRC32-lib platform independence (#780)

Make mariadb crc32 lib platform independent

It looks strange that someone can make use of 2 crc libraries
(Power64 or AArch64) at the same time.

The patch sets macros 'CRC32_LIBRARY' to make platform independence as an optional crc32 library.

Change-Id: I68bbf73cafb6a12f7fb105ad57d117b114a8c4af
Signed-off-by: Yuqi Gu <yuqi.gu@arm.com>

CMakeLists.txt

@@ -166,7 +166,7 @@ INCLUDE(install_macros)
 INCLUDE(systemd)
 INCLUDE(mysql_add_executable)
 INCLUDE(compile_flags)
-INCLUDE(crc32-vpmsum)
+INCLUDE(crc32)
 
 # Handle options
 OPTION(DISABLE_SHARED 

cmake/crc32-vpmsum.cmake → cmake/crc32.cmake

 IF(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64")
     SET(HAVE_CRC32_VPMSUM 1)
-    SET(CRC32_VPMSUM_LIBRARY crc32-vpmsum)
+    SET(CRC32_LIBRARY crc32-vpmsum)
     ADD_SUBDIRECTORY(extra/crc32-vpmsum)
 ENDIF()

extra/crc32-vpmsum/CMakeLists.txt

-ADD_CONVENIENCE_LIBRARY(${CRC32_VPMSUM_LIBRARY} $<TARGET_OBJECTS:crc32c> $<TARGET_OBJECTS:crc32ieee>)
+ADD_CONVENIENCE_LIBRARY(${CRC32_LIBRARY} $<TARGET_OBJECTS:crc32c> $<TARGET_OBJECTS:crc32ieee>)
 ADD_LIBRARY(crc32c OBJECT vec_crc32.c)
 ADD_LIBRARY(crc32ieee OBJECT vec_crc32.c)
 
-GET_TARGET_PROPERTY(CFLAGS_CRC32_VPMSUM ${CRC32_VPMSUM_LIBRARY} COMPILE_FLAGS)
+GET_TARGET_PROPERTY(CFLAGS_CRC32_VPMSUM ${CRC32_LIBRARY} COMPILE_FLAGS)
 SET_TARGET_PROPERTIES(crc32c crc32ieee PROPERTIES  COMPILE_FLAGS "${CFLAGS_CRC32_VPMSUM} -maltivec -mvsx -mpower8-vector -mcrypto -mpower8-vector")
 SET_TARGET_PROPERTIES(crc32ieee PROPERTIES COMPILE_DEFINITIONS "CRC32_FUNCTION=crc32ieee_vpmsum;CRC32_CONSTANTS_HEADER=\"crc32ieee_constants.h\"")
 SET_TARGET_PROPERTIES(crc32c PROPERTIES COMPILE_DEFINITIONS "CRC32_FUNCTION=crc32c_vpmsum;CRC32_CONSTANTS_HEADER=\"crc32c_constants.h\"")

libmysqld/CMakeLists.txt

@@ -445,9 +445,9 @@ IF(NOT DISABLE_SHARED)
     # Clean direct output flags, as 2 targets have the same base name
     # libmysqld
     SET_TARGET_PROPERTIES(libmysqld PROPERTIES CLEAN_DIRECT_OUTPUT 1)
-    TARGET_LINK_LIBRARIES(libmysqld ${CRC32_VPMSUM_LIBRARY})
+    TARGET_LINK_LIBRARIES(libmysqld ${CRC32_LIBRARY})
     SET_TARGET_PROPERTIES(mysqlserver PROPERTIES CLEAN_DIRECT_OUTPUT 1)
-    TARGET_LINK_LIBRARIES(mysqlserver ${CRC32_VPMSUM_LIBRARY})
+    TARGET_LINK_LIBRARIES(mysqlserver ${CRC32_LIBRARY})
     IF(LIBMYSQLD_SO_EXTRA_LIBS)
        TARGET_LINK_LIBRARIES(libmysqld ${LIBMYSQLD_SO_EXTRA_LIBS})
     ENDIF()

mysys/CMakeLists.txt

@@ -74,7 +74,7 @@ ENDIF()
 
 ADD_CONVENIENCE_LIBRARY(mysys ${MYSYS_SOURCES})
 TARGET_LINK_LIBRARIES(mysys dbug strings mysys_ssl ${ZLIB_LIBRARY} 
- ${LIBNSL} ${LIBM} ${LIBRT} ${LIBDL} ${LIBSOCKET} ${LIBEXECINFO} ${CRC32_VPMSUM_LIBRARY})
+ ${LIBNSL} ${LIBM} ${LIBRT} ${LIBDL} ${LIBSOCKET} ${LIBEXECINFO} ${CRC32_LIBRARY})
 DTRACE_INSTRUMENT(mysys)
 
 IF(HAVE_BFD_H)

storage/innobase/CMakeLists.txt

@@ -153,7 +153,7 @@ MYSQL_ADD_PLUGIN(innobase ${INNOBASE_SOURCES} STORAGE_ENGINE
   DEFAULT RECOMPILE_FOR_EMBEDDED
   LINK_LIBRARIES
 	${ZLIB_LIBRARY}
-	${CRC32_VPMSUM_LIBRARY}
+	${CRC32_LIBRARY}
 	${NUMA_LIBRARY}
 	${LIBSYSTEMD}
 	${LINKER_SCRIPT})