Merged revisions 210238 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

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  r210238 | kpfleming | 2009-08-04 09:53:00 -0500 (Tue, 04 Aug 2009) | 16 lines
  
  Merged revisions 210237 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
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    r210237 | kpfleming | 2009-08-04 09:51:39 -0500 (Tue, 04 Aug 2009) | 10 lines
    
    Eliminate spurious compiler warnings from system headers on *BSD platforms.
    
    Ensure that system headers located in /usr/local/include are actually treated
    as system headers by the compiler, and not as local headers which are subject
    to warnings from the -Wundef compiler option and others.
    
    (closes issue #15606)
    Reported by: mvanbaak
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@210241 65c4cc65-6c06-0410-ace0-fbb531ad65f3

Makefile

@@ -241,7 +241,7 @@ ifeq ($(AST_DEVMODE),yes)
 endif
 
 ifneq ($(findstring BSD,$(OSARCH)),)
-  _ASTCFLAGS+=-I/usr/local/include
+  _ASTCFLAGS+=-isystem /usr/local/include
 endif
 
 ifeq ($(findstring -march,$(_ASTCFLAGS) $(ASTCFLAGS)),)