--- code/trunk/configure.in	2007/02/24 21:39:17	41
+++ code/trunk/configure.in	2007/02/24 21:39:21	43
@@ -5,36 +5,71 @@
 
 AC_INIT(dftables.c)
 
+dnl Arrange to build config.h from config.in. Note that pcre.h is
+dnl built differently, as it is just a "substitution" file.
+dnl Manual says this macro should come right after AC_INIT.
+AC_CONFIG_HEADER(config.h:config.in)
+
+dnl Provide the current PCRE version information. Do not use numbers
+dnl with leading zeros for the minor version, as they end up in a C
+dnl macro, and may be treated as octal constants. Stick to single
+dnl digits for minor numbers less than 10. There are unlikely to be
+dnl that many releases anyway.
+
+PCRE_MAJOR=3
+PCRE_MINOR=0
+PCRE_DATE=01-Feb-2000
+PCRE_VERSION=${PCRE_MAJOR}.${PCRE_MINOR}
+
+dnl Provide versioning information for libtool shared libraries that
+dnl are built by default on Unix systems.
+
+PCRE_LIB_VERSION=0:0:0
+PCRE_POSIXLIB_VERSION=0:0:0
+
 dnl Checks for programs.
+
 AC_PROG_CC
 AC_PROG_RANLIB
 
 dnl Checks for header files.
+
 AC_HEADER_STDC
 AC_CHECK_HEADERS(limits.h)
 
 dnl Checks for typedefs, structures, and compiler characteristics.
+
 AC_C_CONST
 AC_TYPE_SIZE_T
 
 dnl Checks for library functions.
-AC_CHECK_FUNCS(memmove strerror)
 
-dnl Arrange to build config.h from config.in
-AC_CONFIG_HEADER(config.h:config.in)
+AC_CHECK_FUNCS(memmove strerror)
 
 dnl Handle --enable-shared-libraries
-LIBTOOL=
-LIBSUFFIX=a
+
+LIBTOOL=libtool
+LIBSUFFIX=la
 AC_ARG_ENABLE(shared,
-[  --enable-shared         build PCRE as a shared library (using libtool)],
-if test "$enableval" = "yes"; then
-  LIBTOOL=libtool
-  LIBSUFFIX=la
+[  --disable-shared        build PCRE as a static library],
+if test "$enableval" = "no"; then
+  LIBTOOL=
+  LIBSUFFIX=a
 fi
 )
+
+dnl "Export" these variables
+
+AC_SUBST(HAVE_MEMMOVE)
+AC_SUBST(HAVE_STRERROR)
 AC_SUBST(LIBTOOL)
 AC_SUBST(LIBSUFFIX)
+AC_SUBST(PCRE_MAJOR)
+AC_SUBST(PCRE_MINOR)
+AC_SUBST(PCRE_DATE)
+AC_SUBST(PCRE_VERSION)
+AC_SUBST(PCRE_LIB_VERSION)
+AC_SUBST(PCRE_POSIXLIB_VERSION)
 
 dnl This must be last; it determines what files are written
-AC_OUTPUT(Makefile)
+AC_OUTPUT(Makefile pcre.h:pcre.in pcre-config,[chmod a+x pcre-config])