Added a check for a glibc compliant regex implementation.

2001-01-02  Daniel Egger  <egger@suse.de>

        * acconfig.h:
	* configure.in: Added a check for a glibc compliant
	regex implementation.

ChangeLog

@@ -1,3 +1,9 @@
+2001-01-02  Daniel Egger  <egger@suse.de>
+
+	* acconfig.h:
+	* configure.in: Added a check for a glibc compliant
+	regex implementation.
+
 2001-01-02  Simon Budig  <simon@gimp.org>
 
 	* app/paint_core.c: use floor() before casting to gint when 

acconfig.h

@@ -20,6 +20,7 @@
 #undef HAVE_DIRENT_H
 #undef HAVE_DOPRNT
 #undef HAVE_GETTEXT
+#undef HAVE_GLIBC_REGEX
 #undef HAVE_IPC_H
 #undef HAVE_LC_MESSAGES
 #undef HAVE_MMAP

configure.in

@@ -331,6 +331,23 @@ if test "$ac_cv_header_sys_shm_h" = "yes"; then
     AC_MSG_RESULT(assuming no))
 fi
 
+AC_MSG_CHECKING(checking for regex in glibc)
+AC_TRY_RUN([
+#include <features.h>
+#include <stdio.h>
+#include <regex.h>
+int main()
+{
+#if __GLIBC__ >= 2
+  return (0);
+#else
+  return (1);
+#endif
+}], AC_DEFINE(HAVE_GLIBC_REGEX)
+    AC_MSG_RESULT(yes),
+    AC_MSG_RESULT(no),
+    AC_MSG_RESULT(assuming no))
+
 AC_HEADER_DIRENT
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
@@ -662,6 +679,8 @@ AC_SUBST(LT_AGE)
 AC_SUBST(GLIB_CFLAGS)
 AC_SUBST(GLIB_LIBS)
 
+AC_SUBST(HAVE_GLIBC_REGEX)
+
 AC_SUBST(gimpdir)
 AC_SUBST(gimpdatadir)
 AC_SUBST(gimpplugindir)