--- a/configure.ac
+++ b/configure.ac
@@ -58,74 +58,21 @@ if test x${debug} = xtrue ; then
 	AC_DEFINE(USBDEBUG, 1, [enable USB debug messaging.])
 fi
 
-# --enable-pcscdropdir=DIR	; pcsclite installation directory
-AC_ARG_ENABLE([pcscdropdir],
-            AS_HELP_STRING([--enable-pcscdropdir=DIR],
-                           [installation directory of PCSCLITE (default to PREFIX)]),
-            [pcscdropdir=$enableval],
-            [pcscdropdir=false])
-
-if test "${pcscdropdir}" = false ; then
-	if test "$prefix" = NONE ; then
-		pcscdropdir="$ac_default_prefix"
-	else
-		pcscdropdir="$prefix"
-	fi
-fi
-
-# removed by ZETES
-# AC_SUBST([PKG_PCSC_CONFIG_PATH],[$pcscdropdir/lib/pkgconfig])
-# removed by ZETES
-# AC_SUBST([PKG_PCSCLITE],[$pcscdropdir/lib/pkgconfig/libpcsclite.pc])
-
-# added by ZETES ...
-PKG_PCSCLITE="libpcsclite"
-# ... added by ZETES
-
-# Check if pkg-config exists
-AC_CHECK_PROG([PKGCONFIG], [pkg-config], [yes])
-if test "$PKGCONFIG" = "yes"; then
-	if ! `pkg-config --print-errors --atleast-version=1.2.0 $PKG_PCSCLITE`
-	then
-		AC_MSG_ERROR([install pcsc-lite 1.2.0 or later])
-	fi
-fi
-
-# Check for libusb 0.1.12
-PKG_LIBUSB="libusb"
-if test "$PKGCONFIG" = "yes"; then
-	if ! `pkg-config --print-errors --atleast-version=0.1.12 $PKG_LIBUSB`
-	then
-		AC_MSG_ERROR([install libusb 0.1.12 or later])
-	fi
-fi
+PKG_INSTALLDIR()
 
-# --enable-usbdropdir=DIR
-AC_ARG_ENABLE([usbdropdir],
-			AC_HELP_STRING([--enable-usbdropdir=DIR],
-						   [directory containing USB drivers (default to pcscd config or $(prefix)/pcsc/drivers)]),
-			[usbdropdir="${enableval}"],
-			[usbdropdir=false])
-
-if test "${usbdropdir}" = false ; then
-	if test "$PKGCONFIG" = yes ; then
-		usbdropdir=`pkg-config $PKG_PCSCLITE --variable=usbdropdir`
-	else
-		usbdropdir=""
-	fi
-	if test -z "$usbdropdir" ; then
+PKG_CHECK_MODULES([PCSCLITE], [libpcsclite >= 1.2.0])
+PKG_CHECK_VAR([USBDROPDIR], [libpcsclite], [usbdropdir], [], [
 		if test "$prefix" = NONE ; then
-			usbdropdir="$ac_default_prefix/pcsc/drivers"
+			USBDROPDIR="$ac_default_prefix/pcsc/drivers"
 		else
-			usbdropdir="$prefix/pcsc/drivers"
+			USBDROPDIR="$prefix/pcsc/drivers"
 		fi
-	fi
-fi
+	      ])
 
-AC_SUBST(usbdropdir)
+# Check for libusb 0.1.12
+PKG_CHECK_MODULES([LIBUSB], [libusb >= 0.1.12])
 
-AC_MSG_RESULT([USB drop directory      : $usbdropdir])
-AC_DEFINE_UNQUOTED(PCSCLITE_HP_DROPDIR, "$usbdropdir", [directory containing USB drivers])
+AC_DEFINE_UNQUOTED(PCSCLITE_HP_DROPDIR, "$USBDROPDIR", [directory containing USB drivers])
 
 #AC_SUBST(CTRLLIBCFLAGS)
 #AC_SUBST(CTRLLIBLIBS)
@@ -141,7 +88,7 @@ AC_DEFINE_UNQUOTED(PCSCLITE_HP_DROPDIR,
 
 # Checks for programs.
 AC_PROG_CC
-AC_PROG_LIBTOOL
+AC_PROG_LIBTOOL([disable-static])
 
 # Checks for libraries.
 # FIXME: Replace `main' with a function in `-lpcsclite':
@@ -164,8 +111,8 @@ AC_CHECK_HEADERS([fcntl.h limits.h mallo
 
 # Setup the compiler and linker flag
 OLD_CFLAGS=$CFLAGS
-CFLAGS="$CFLAGS `pkg-config --cflags $PKG_PCSCLITE`"
-CFLAGS="$CFLAGS `pkg-config --cflags $PKG_LIBUSB`"
+CFLAGS="$CFLAGS $PCSCLITE_CFLAGS"
+CFLAGS="$CFLAGS $LIBUSB_CFLAGS"
 
 # Check for pcsclite header files
 # removed by ZETES NO_PCSC_MSG="Please install PCSCLITE 1.2.0 or later before building the driver!!"
@@ -173,12 +120,6 @@ CFLAGS="$CFLAGS `pkg-config --cflags $PK
 
 # removed by ZETES CFLAGS=$OLD_CFLAGS
 
-AC_SUBST(LIBPCSCLITE)
-LIBPCSCLITE=`pkg-config --libs $PKG_PCSCLITE`
-
-AC_SUBST(LIBUSB)
-LIBUSB=`pkg-config --libs $PKG_LIBUSB`
-
 # Select OS specific versions of source files.
 AC_SUBST(BUNDLE_HOST)
 AC_SUBST(DYN_LIB_EXT)
--- a/src/controllib/Makefile.am
+++ b/src/controllib/Makefile.am
@@ -6,7 +6,7 @@
 
 ACR38_CONTROLLIB = libacr38ucontrol.$(DYN_LIB_EXT)
 
-AM_CPPFLAGS = -I../driver `pkg-config libpcsclite --cflags` 
+AM_CPPFLAGS = -I$(srcdir)/../driver $(PCSCLITE_CFLAGS)
 
 lib_LTLIBRARIES = libacr38ucontrol.la
 include_HEADERS = ACS38DrvTools.h
@@ -16,8 +16,6 @@ SRC_CONTROLLIB = ACS38DrvTools.c		\
 				 ACS38DrvTools.h
 
 libacr38ucontrol_la_SOURCES = $(SRC_CONTROLLIB)
-libacr38ucontrol_la_CFLAGS = `pkg-config libpcsclite --cflags`
+libacr38ucontrol_la_CFLAGS = $(PCSCLITE_CFLAGS)
 
-#pcdir= $(PKG_PCSC_CONFIG_PATH)
-pcdir= @prefix@/lib/pkgconfig
-pc_DATA = libacr38ucontrol.pc
+pkgconfig_DATA = libacr38ucontrol.pc
--- a/src/driver/Makefile.am
+++ b/src/driver/Makefile.am
@@ -9,7 +9,7 @@ DRIVER_LIB_NAME = lib$(DRIVER_NAME).$(DY
 DRIVER_BUNDLE_DIR = $(DRIVER_NAME).bundle
 DRIVER_INSTALL_HOME_DIR = pcsc/drivers/$(DRIVER_LIB_NAME).bundle/Contents/Linux
 
-AM_CPPFLAGS = `pkg-config libpcsclite --cflags`
+AM_CPPFLAGS = $(PCSCLITE_CFLAGS)
 
 EXTRA_DIST = Info.plist
 
@@ -34,13 +34,13 @@ SRC_USB = usbserial_linux.c \
 	usbserial_linux.h
 
 libACR38UDriver_la_SOURCES = $(SRC_DRV) $(SRC_USB)
-libACR38UDriver_la_LIBADD = @LIBPCSCLITE@ @LIBUSB@ @COREFOUNDATION@ @IOKIT@
+libACR38UDriver_la_LIBADD = @PCSCLITE_LIBS@ @LIBUSB_LIBS@ @COREFOUNDATION@ @IOKIT@
 
 install: libACR38UDriver.la
-	$(mkinstalldirs) $(usbdropdir)/$(DRIVER_BUNDLE_DIR)/Contents/$(BUNDLE_HOST)/
-	$(INSTALL) .libs/$(DRIVER_LIB_NAME) $(usbdropdir)/$(DRIVER_BUNDLE_DIR)/Contents/$(BUNDLE_HOST)/$(DRIVER_NAME)
-	$(INSTALL) Info.plist $(usbdropdir)/$(DRIVER_BUNDLE_DIR)/Contents
-#	chmod 755 $(usbdropdir)/$(DRIVER_BUNDLE_DIR)/Contents/$(BUNDLE_HOST)/$(DRIVER_LIB_NAME)
+	$(MKDIR_P) $(DESTDIR)$(USBDROPDIR)/$(DRIVER_BUNDLE_DIR)/Contents/$(BUNDLE_HOST)/
+	$(INSTALL) .libs/$(DRIVER_LIB_NAME) $(DESTDIR)$(USBDROPDIR)/$(DRIVER_BUNDLE_DIR)/Contents/$(BUNDLE_HOST)/$(DRIVER_NAME)
+	$(INSTALL) $(srcdir)/Info.plist $(DESTDIR)$(USBDROPDIR)/$(DRIVER_BUNDLE_DIR)/Contents
+#	chmod 755 $(DESTDIR)$(USBDROPDIR)/$(DRIVER_BUNDLE_DIR)/Contents/$(BUNDLE_HOST)/$(DRIVER_LIB_NAME)
 
 uninstall:
-	rm -rf $(usbdropdir)/$(DRIVER_BUNDLE_DIR)
+	rm -rf $(DESTDIR)$(USBDROPDIR)/$(DRIVER_BUNDLE_DIR)