Bug#25337 Cannot build with OpenSSL support

 - Cleanup Makefile.am, simplify how we build gen_lex_hash
   and mysql_tzinfo_to_sql

sql/Makefile.am

@@ -27,7 +27,6 @@ SUBDIRS =		share
 libexec_PROGRAMS =	mysqld
 EXTRA_PROGRAMS =	gen_lex_hash
 bin_PROGRAMS =		mysql_tzinfo_to_sql
-gen_lex_hash_LDFLAGS =  @NOINST_LDFLAGS@
 SUPPORTING_LIBS =	$(top_builddir)/vio/libvio.a \
 			$(top_builddir)/mysys/libmysys.a \
 			$(top_builddir)/dbug/libdbug.a \
@@ -69,6 +68,7 @@ noinst_HEADERS =	item.h item_func.h item_sum.h item_cmpfunc.h \
 			event_data_objects.h event_scheduler.h \
 			sql_partition.h partition_info.h partition_element.h \
 			contributors.h sql_servers.h
+
 mysqld_SOURCES =	sql_lex.cc sql_handler.cc sql_partition.cc \
 			item.cc item_sum.cc item_buff.cc item_func.cc \
 			item_cmpfunc.cc item_strfunc.cc item_timefunc.cc \
@@ -110,11 +110,11 @@ mysqld_SOURCES =	sql_lex.cc sql_handler.cc sql_partition.cc \
 			sql_builtin.cc sql_tablespace.cc partition_info.cc \
 			sql_servers.cc
 
-
 gen_lex_hash_SOURCES =	gen_lex_hash.cc
-gen_lex_hash_LDADD =	$(LDADD) $(CXXLDFLAGS)
-mysql_tzinfo_to_sql_SOURCES =   mysql_tzinfo_to_sql.cc
-mysql_tzinfo_to_sql_LDADD =  @MYSQLD_EXTRA_LDFLAGS@ $(LDADD) $(CXXLDFLAGS)
+gen_lex_hash_LDFLAGS =  @NOINST_LDFLAGS@
+
+mysql_tzinfo_to_sql_SOURCES = tztime.cc
+mysql_tzinfo_to_sql_CXXFLAGS= -DTZINFO2SQL
 
 DEFS =			-DMYSQL_SERVER \
 			-DDEFAULT_MYSQL_HOME="\"$(MYSQLBASEdir)\"" \
@@ -133,11 +133,7 @@ DISTCLEANFILES =        $(EXTRA_PROGRAMS)
 MAINTAINERCLEANFILES =  $(BUILT_MAINT_SRC)
 AM_YFLAGS =		-d --verbose
 
-mysql_tzinfo_to_sql.cc:
-	rm -f mysql_tzinfo_to_sql.cc
-	@LN_CP_F@ $(srcdir)/tztime.cc mysql_tzinfo_to_sql.cc
-
-link_sources: mysql_tzinfo_to_sql.cc
+link_sources:
 	rm -f mini_client_errors.c
 	@LN_CP_F@ $(top_srcdir)/libmysql/errmsg.c mini_client_errors.c
 	rm -f pack.c
@@ -149,9 +145,6 @@ link_sources: mysql_tzinfo_to_sql.cc
 	rm -f my_user.c
 	@LN_CP_F@ $(top_srcdir)/sql-common/my_user.c my_user.c
 
-mysql_tzinfo_to_sql.o:	$(mysql_tzinfo_to_sql_SOURCES)
-			$(CXXCOMPILE) -c $(INCLUDES) -DTZINFO2SQL $<
-
 # This generates lex_hash.h
 # NOTE Built sources should depend on their sources not the tool
 # this avoid the rebuild of the built files in a source dist