set a DLLPOSTFIX for OpenBSD and sync unxobsd.mk

solenv/inc/unxobsd.mk

@@ -122,8 +122,12 @@ CFLAGSDBGUTIL=
 # Compiler flags for enabling optimizations
 .IF "$(PRODUCT)"!=""
 CFLAGSOPT=$(CDEFAULTOPT) # optimizing for products
-.IF "$(USE_SYSTEM_STL)"!="YES"
-CFLAGSOPT+=-fno-strict-aliasing #STLPort headers are full of aliasing warnings
+.IF "$(USE_SYSTEM_STL)"!="YES" || "$(CCNUMVER)" <= "000400050000"
+#STLPort headers are full of aliasing warnings and
+#At least SLED 10.2 gcc 4.3 overly agressively optimizes
+#uno::Sequence into junk, so only strict-alias on compiler
+#later than 4.5.1
+CFLAGSOPT+=-fno-strict-aliasing
 .ENDIF
 .ELSE 	# "$(PRODUCT)"!=""
 CFLAGSOPT=   							# no optimizing for non products
@@ -263,5 +267,5 @@ RCSETVERSION=
 # platform specific identifier for shared libs
 DLLPRE=lib
 DLLPOST=.so
-DLLPOSTFIX=
+DLLPOSTFIX=ob
 PCHPOST=.gch