Adapted Gentoo patch from version 1.12

diff --git a/configure.ac b/configure.ac
index 21f803d..d89b296 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,30 +4,21 @@ AM_INIT_AUTOMAKE
 AC_PROG_CC
 AC_PROG_LEX([noyywrap])
 AC_PROG_INSTALL
+AM_PROG_AR
 AC_PROG_RANLIB
 #AC_PROG_LIBTOOL
 PKG_CHECK_MODULES([GLIB],[glib-2.0 >= 2.12])
 AC_CONFIG_HEADERS(config.h)
 AC_CONFIG_MACRO_DIR([m4])
-CPPFLAGS="-DNDEBUG -O2 -g `pkg-config --cflags glib-2.0`"
+CPPFLAGS="`${PKG_CONFIG} --cflags glib-2.0`"
 case "${host}" in
-        *i686*)
+        *-mingw32*)
                 WIN32="yes"
-		LDFLAGS=""
-		#LIBS="-L../lib -lpedro `pkg-config --libs glib-2.0` -lm"
-                LIBS="-L../lib -lpedro `pkg-config --libs glib-2.0` -lm -lwsock32 -lws2_32 -lwinmm"
-                ;;
-        *x86*)
-                WIN32="no"
-		LDFLAGS=""
-		#LIBS="-L../lib -lpedro `pkg-config --libs glib-2.0` -lm"
-                LIBS="-L../lib -lpedro `pkg-config --libs glib-2.0` -lm -lwsock32 -lws2_32 -lwinmm"
+                LIBS="-L../lib -lpedro `${PKG_CONFIG} --libs glib-2.0` -lm -lwsock32 -lws2_32 -lwinmm"
                 ;;
         *)
                 WIN32="no"
-                #LDFLAGS="-L../lib -lpedro `pkg-config --libs glib-2.0` -lm"
-		LDFLAGS=""
-		LIBS="-L../lib -lpedro `pkg-config --libs glib-2.0` -lm"
+                LIBS="-L../lib -lpedro `${PKG_CONFIG} --libs glib-2.0` -lm"
                 ;;
 esac
 AC_CONFIG_FILES([Makefile src/Makefile src/server/Makefile src/lib/Makefile src/examples/Makefile doc/Makefile])
-- 
2.43.2