Merged revisions 297404 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r297404 | pabelanger | 2010-12-02 15:01:08 -0500 (Thu, 02 Dec 2010) | 7 lines
  
  Resolve compile error under FreeBSD
  
  We now set _ASTCFLAGS+=-march=i686 for i386 processors, still allowing ASTCFLAGS
  to override the setting.
  
  Review: https://reviewboard.asterisk.org/r/1043/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@297405 65c4cc65-6c06-0410-ace0-fbb531ad65f3

Makefile

@@ -260,6 +260,9 @@ ifeq ($(PROC),ppc)
 endif
 
 ifeq ($(OSARCH),FreeBSD)
+  ifeq ($(PROC),i386)
+    _ASTCFLAGS+=-march=i686
+  endif
   # -V is understood by BSD Make, not by GNU make.
   BSDVERSION=$(shell make -V OSVERSION -f /usr/share/mk/bsd.port.subdir.mk)
   _ASTCFLAGS+=$(shell if test $(BSDVERSION) -lt 500016 ; then echo "-D_THREAD_SAFE"; fi)