Now project don't compile if version of glib less than 2.14 and no have pcre library

Signed-off-by: Slava Zanko <slavazanko@gmail.com>

acinclude.m4

@@ -1,6 +1,7 @@
 m4_include([m4.include/ac_onceonly.m4])
 m4_include([m4.include/ax_path_lib_pcre.m4])
 m4_include([m4.include/dx_doxygen.m4])
+m4_include([m4.include/mc-check-search-type.m4])
 m4_include([m4.include/mc-mcserver.m4])
 m4_include([m4.include/ac-get-fs-info.m4])
 m4_include([m4.include/mc-use-termcap.m4])

configure.ac

@@ -327,11 +327,7 @@ linux*)
     ;;
 esac
 
-$PKG_CONFIG --max-version 2.14 glib-2.0
-if test $? -eq 0
-then
-    AX_PATH_LIB_PCRE
-fi
+MC_CHECK_SEARCH_TYPE
 
 dnl
 dnl Check nroff and the options it supports
@@ -636,4 +632,5 @@ Configuration:
   With subshell support:      ${subshell}
   Internal editor:            ${edit_msg}
   Support for charset:        ${charset_msg}
+  Search type:                ${SEARCH_TYPE}
 "

m4.include/mc-check-search-type.m4

@@ -0,0 +1,22 @@
+dnl @synopsis MC_VERSION
+dnl
+dnl Check search type in mc. Currently used glib-regexp or pcre
+dnl
+dnl @author Slava Zanko <slavazanko@gmail.com>
+dnl @version 2009-06-19
+dnl @license GPL
+dnl @copyright Free Software Foundation, Inc.
+
+AC_DEFUN([MC_CHECK_SEARCH_TYPE],[
+
+    $PKG_CONFIG --max-version 2.14 glib-2.0
+    if test $? -eq 0; then
+        AX_PATH_LIB_PCRE
+        if test x"${PCRE_LIBS}" = x; then
+            AC_MSG_ERROR([Your system have glib < 2.14 and don't have pcre library (or pcre devel stuff)])
+        fi
+        SEARCH_TYPE="pcre"
+    else
+        SEARCH_TYPE="glib-regexp"
+    fi
+])