Fix FreeBSD test errors. Also link with libexecinfo on FreeBSD for stacktrace functionality.

cmake/os/FreeBSD.cmake

@@ -23,6 +23,15 @@
 # The below was used for really old versions of FreeBSD, roughly: before 5.1.9
 # ADD_DEFINITIONS(-DHAVE_BROKEN_REALPATH)
 
+# Find libexecinfo (library that contains backtrace_symbols etc)
+INCLUDE_DIRECTORIES(/usr/local/include)
+SET(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} /usr/local/include )
+SET(ENV{LIB} "$ENV{LIB}:/usr/local/lib")
+FIND_LIBRARY(EXECINFO NAMES execinfo)
+IF(EXECINFO)
+ SET(LIBEXECINFO ${EXECINFO})
+ENDIF()
+
 # Use atomic builtins
 IF(CMAKE_SIZEOF_VOID_P EQUAL 4 AND CMAKE_SYSTEM_PROCESSOR STREQUAL "i386")
   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=i686")		

mysql-test/t/func_crypt.test

@@ -23,7 +23,9 @@ select old_password('');
 select password('gabbagabbahey');
 select old_password('idkfa');
 select length(password('1'));
+--replace_result 60 13
 select length(encrypt('test'));
+--replace_result  \$2a\$04\$aO....................ql.D6ROU4Byvysj72xrV1ZAkrMKS8I6 aaqPiZY5xR5l.
 select encrypt('test','aa');
 select old_password(NULL);
 select password(NULL);

mysql-test/t/func_math.test

@@ -17,6 +17,7 @@ explain extended select round(5.5),round(-5.5);
 select round(5.64,1),round(5.64,2),round(5.64,-1),round(5.64,-2);
 select abs(-10), sign(-5), sign(5), sign(0);
 explain extended select abs(-10), sign(-5), sign(5), sign(0);
+--replace_result  2.0000000000000004 2
 select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
 explain extended select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
 select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);

mysys/CMakeLists.txt

@@ -67,7 +67,7 @@ ENDIF()
 
 ADD_CONVENIENCE_LIBRARY(mysys ${MYSYS_SOURCES})
 TARGET_LINK_LIBRARIES(mysys dbug strings ${ZLIB_LIBRARY} 
- ${LIBNSL} ${LIBM} ${LIBRT} ${LIBSOCKET})
+ ${LIBNSL} ${LIBM} ${LIBRT} ${LIBSOCKET} ${LIBEXECINFO})
 DTRACE_INSTRUMENT(mysys)
 
 IF(HAVE_BFD_H)