1 files changed, 14 insertions, 0 deletions
diff --git a/configure b/configure
index 6dffda6..17ce442 100755
--- a/configure
+++ b/configure
@@ -690,6 +690,7 @@ with_jim_extmod
 with_jim_shared
 enable_shared
 enable_static
+with_jim_regexp
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1370,6 +1371,7 @@ Optional Packages:
        Note that not all extensions can be built as loadable modules.
 
   --with-jim-shared       build a shared library instead of a static library
+  --with-jim-regexp       use the built-in (Tcl-compatible) regexp, even if POSIX regex is available
 
 Some influential environment variables:
   CC          C compiler command
@@ -3737,6 +3739,18 @@ fi
 JIM_LIBTYPE=$JIM_LIBTYPE
 
 
+
+# Check whether --with-jim-regexp was given.
+if test "${with_jim_regexp+set}" = set; then :
+  withval=$with_jim_regexp;
+		if test "x$withval" = "xyes" ; then
+			EXTRA_CFLAGS="$EXTRA_CFLAGS -DJIM_REGEXP"
+		fi
+
+
+fi
+
+
 for ac_header in sys/un.h dlfcn.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`