#
#
# patch "m4/pcre.m4"
#  from [8597a87059c5ad79d8d8e4b15a4b0b99bd4081c6]
#    to [5f81d646e630ac56e84b9651c4cd58dfbe0cd5b7]
#
============================================================
--- m4/pcre.m4	8597a87059c5ad79d8d8e4b15a4b0b99bd4081c6
+++ m4/pcre.m4	5f81d646e630ac56e84b9651c4cd58dfbe0cd5b7
@@ -34,7 +34,7 @@ AC_DEFUN([MTN_FIND_PCRE],
    if test -n "${PCRE_CFLAGS+set}" || test -n "${PCRE_LIBS+set}"; then
      found_libpcre=yes
    else
-     PKG_CHECK_MODULES([PCRE], [libpcre],
+     PKG_CHECK_MODULES([PCRE], [libpcre >= 6.7],
                        [found_libpcre=yes], [found_libpcre=no])
    fi
    if test $found_libpcre = no; then
@@ -75,7 +75,11 @@ AC_DEFUN([MTN_FIND_PCRE],
      AC_LINK_IFELSE([AC_LANG_PROGRAM(
       [#include <pcre.h>],
       [const char *e;
+       int dummy;
        int o;
+       /* Make sure some definitions are present. */
+       dummy = PCRE_NEWLINE_CR;
+       dummy = PCRE_DUPNAMES;
        pcre *re = pcre_compile("foo", 0, &e, &o, 0);])],
       [ac_cv_lib_pcre_works=yes], [ac_cv_lib_pcre_works=no])
      LIBS="$save_LIBS"