Index: configure.in
===================================================================
RCS file: /repository/php-src/configure.in,v
retrieving revision 1.579.2.52.2.44
diff -u -p -d -r1.579.2.52.2.44 configure.in
--- configure.in	20 Feb 2007 20:11:11 -0000	1.579.2.52.2.44
+++ configure.in	27 Feb 2007 17:22:35 -0000
@@ -159,6 +159,44 @@ alpha*)
 esac
 
 case $host_alias in
+    *darwin*)
+		AC_DEFINE(PHP_DARWIN,1,[Building on a Mac OS X system])
+    ;;
+    *solaris*)
+		AC_DEFINE(PHP_SOLARIS,1,[Building on a Solaris system])
+    ;;
+    *hpux*)
+		AC_DEFINE(PHP_HPUX,1,[Building on a HPUX system])
+    ;;
+    *freebsd*)
+		AC_DEFINE(PHP_BSD,1,[Building on a BSD flavour])
+		AC_DEFINE(PHP_FREEBSD,1,[Building on a FreeBSD])
+    ;;
+    *netbsd*)
+		AC_DEFINE(PHP_BSD,1,[Building on a BSD flavour])
+		AC_DEFINE(PHP_NETBSD,1,[Building on a NetBSD])
+    ;;
+    *openbsd*)
+		AC_DEFINE(PHP_BSD,1,[Building on a BSD flavour])
+		AC_DEFINE(PHP_OPENBSD,1,[Building on a OpenBSD])
+    ;;
+    *dragonfly*)
+		AC_DEFINE(PHP_BSD,1,[Building on a BSD flavour])
+		AC_DEFINE(PHP_DFBSD,1,[Building on a DragonFly BSD])
+    ;;
+    *netware*)
+		AC_DEFINE(PHP_NETWARE,1,[Building on a Netware system])
+    ;;
+    *aix*)
+		AC_DEFINE(PHP_AIX,1,[Building on an AIX system])
+    ;;
+    *linux*)
+		AC_DEFINE(PHP_LINUX,1,[Building on a Linux system])
+    ;;
+esac
+
+
+case $host_alias in
 *solaris*)
     CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS"
     if test "${enable_libgcc+set}" != "set" && test "$GCC" = "yes"; then