Make Linux build faster.

It seems the usage of databases with FW=ON in ext4 filesystems mounted with barriers=1 (default) is very slow.

This change decreased build time in my machine from 2m41s to 1m21s.

builds/posix/Makefile.in

@@ -239,13 +239,16 @@ security.fdb:	$(SRC_ROOT)/dbs/security.sql
 	-$(RM) $@
 	-$(RM) $(SECURITY_TMP)
 	echo create database \'$(SECURITY_TMP)\'\; | $(ISQL)
+	gfix -write async $(SECURITY_TMP)
 	$(ISQL) -i $^ $(SECURITY_TMP)
 	$(CHMOD) a=rw $(SECURITY_TMP)
 	$(CP) $(SECURITY_TMP) $@
+	gfix -write sync $@
 
 msg.timestamp:	$(MSG_FILES)
 	-$(RM) msg.fdb
 	echo create database \'msg.fdb\'\; | $(ISQL)
+	gfix -write async msg.fdb
 	for sql in $(MSG_FILES); do (echo $$sql; $(ISQL) -i $$sql msg.fdb) || exit; done
 	$(TOUCH) $@
 

builds/posix/Makefile.in.examples

@@ -120,6 +120,7 @@ $(EXAMPLES_DEST)% : $(EXAMPLES_SRC)%
 $(EMPLOYEE_DB):	$(EXAMPLES_DEST)/empbuild$(EXEC_EXT) $(INPUT_Sources) $(EXAMPLES_DEST)/isql$(EXEC_EXT)
 	-$(RM) $(EMPLOYEE_DB)
 	./empbuild $(EMPLOYEE_DB)
+	gfix -write sync $(EMPLOYEE_DB)
 	-$(CHMOD_6) $(EMPLOYEE_DB)
 
 # To get past the fact isql is called from the programs, we create a local link in this directory

examples/empbuild/empbuild.e

@@ -93,6 +93,14 @@ if (SQLCODE)
     exit (FINI_ERROR);
     }
 
+printf ("Turning forced writes off\n");
+sprintf (cmd, "gfix -write async %s", Db_name);
+if (system (cmd))
+    {
+    printf ("Couldn't turn forced writed off\n");
+    exit (FINI_ERROR);
+    }
+
 printf ("Creating tables\n");
 sprintf (cmd, "isql %s -q -i empddl.sql", Db_name);
 if (system (cmd))