diff --git a/configure.ac b/configure.ac
index c78d49f..ee81ce9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,40 +1,44 @@
-rm -f config.cache
 
-AC_INIT([express], [0.0.1], [devilhorns@comcast.net])
+m4_define([v_maj], [0])
+m4_define([v_min], [0])
+m4_define([v_mic], [1])
+m4_define([v_ver], [v_maj.v_min.v_mic])
+
+m4_define([lt_cur], [m4_eval(v_maj + v_min)])
+m4_define([lt_rev], [v_mic])
+m4_define([lt_age], [v_min])
+
+AC_INIT([express], [v_ver], [devilhorns@comcast.net])
 AC_PREREQ([2.60])
 AC_CONFIG_SRCDIR([configure.ac])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_HEADERS([express_config.h])
 
-AC_CANONICAL_HOST
-
-AM_INIT_AUTOMAKE([1.6 dist-bzip2])
+AM_INIT_AUTOMAKE([1.6 dist-xz subdir-objects])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AC_USE_SYSTEM_EXTENSIONS
-AC_PROG_CC
-AM_PROG_CC_C_O
-AC_FUNC_ALLOCA
-AC_C___ATTRIBUTE__
 
-AC_HEADER_TIME
+LT_INIT([win32-dll disable-static])
 
-define([AC_LIBTOOL_LANG_CXX_CONFIG], [:])
-define([AC_LIBTOOL_LANG_GCJ_CONFIG], [:])
-define([AC_LIBTOOL_LANG_F77_CONFIG], [:])
-AC_DISABLE_STATIC
-AC_PROG_LIBTOOL
+version_info="lt_cur:lt_rev:lt_age"
+release_info="v_rel"
+AC_SUBST([version_info])
+AC_SUBST([release_info])
 
-EFL_CHECK_COMPILER_FLAGS([EXP], [-O2 -pipe -g -Wall -Wextra -fdata-sections -ffunction-sections])
-EFL_CHECK_LINKER_FLAGS([EXP], [-fvisibility=hidden -fdata-sections -ffunction-sections -Wl,--gc-sections -fno-strict-aliasing -Wl,--as-needed -Wl,--no-copy-dt-needed-entries])
-EFL_ATTRIBUTE_VECTOR
-EFL_ATTRIBUTE_ALWAYS_INLINE
+VMAJ=v_maj
+AC_SUBST([VMAJ])
 
-EFL_ENABLE_EO_API_SUPPORT
-EFL_ENABLE_BETA_API_SUPPORT
 
-EFL_CHECK_PATH_MAX
-EFL_WITH_BIN([edje], [edje-cc], [edje_cc])
+### Additional options to configure
+
+
+### Default options with respect to host
+
+AC_CANONICAL_HOST
+
+
+### Checks for programs
 
 AM_GNU_GETTEXT_VERSION([0.17])
 
@@ -63,20 +67,26 @@ fi
 
 AM_CONDITIONAL([HAVE_PO], [test "x${have_po}" = "xyes"])
 
-EFL_CHECK_THREADS
+AC_PROG_CC
 
 PKG_PROG_PKG_CONFIG
 if test "x${PKG_CONFIG}" = "x" ; then
-   AC_MSG_ERROR([pkg-config tool not found. Install it or set PKG_CONFIG environment variable to that path tool. Exiting...])
+  AC_MSG_ERROR([pkg-config tool not found. Install it or set PKG_CONFIG environment variable to that path tool. Exiting...])
 fi
 
-PKG_CHECK_MODULES(LIBEXPRESS,
-  [eina]
-  [ecore]
-  [ecore-con]
-)
+EFL_WITH_BIN([edje], [edje-cc], [edje_cc])
 
-PKG_CHECK_MODULES(EXPRESS,
+
+### Checks for libraries
+
+efl_version="1.7.0"
+
+requirements_libexpress_pc="ecore-con >= ${efl_version} ecore >= ${efl_version} eina >= ${efl_version}"
+AC_SUBST([requirements_libexpress_pc])
+
+PKG_CHECK_MODULES([LIBEXPRESS], [${requirements_libexpress_pc}])
+
+PKG_CHECK_MODULES([EXPRESS],
   [eina]
   [eet]
   [evas]
@@ -86,6 +96,52 @@ PKG_CHECK_MODULES(EXPRESS,
   [elementary]
 )
 
+requirements_libexpress_libs=""
+AC_SUBST([requirements_libexpress_libs])
+
+
+### Checks for header files
+
+AC_HEADER_TIME
+
+
+### Checks for types
+
+
+### Checks for structures
+
+
+### Checks for compiler characteristics
+
+AM_PROG_CC_C_O
+
+EFL_ATTRIBUTE_VECTOR
+EFL_ATTRIBUTE_ALWAYS_INLINE
+EFL_CHECK_PATH_MAX
+EFL_CHECK_THREADS
+
+EFL_ENABLE_EO_API_SUPPORT
+EFL_ENABLE_BETA_API_SUPPORT
+
+EFL_CHECK_COMPILER_FLAGS([EXP], [-Wall -Wextra -Wshadow -Wpointer-arith -fdata-sections -ffunction-sections])
+
+LIBEXPRESS_CFLAGS="${LIBEXPRESS_CFLAGS} ${EXP_CFLAGS}"
+EXPRESS_CFLAGS="${EXPRESS_CFLAGS} ${EXP_CFLAGS}"
+
+
+### Checks for linker characteristics
+
+EFL_CHECK_LINKER_FLAGS([EXP], [-fvisibility=hidden -fdata-sections -ffunction-sections -Wl,--gc-sections -fno-strict-aliasing -Wl,--as-needed -Wl,--no-copy-dt-needed-entries])
+
+LIBEXPRESS_LIBS="${LIBEXPRESS_LIBS} ${EXP_LIBS}"
+EXPRESS_LIBS="${EXPRESS_LIBS} ${EXP_LIBS}"
+
+
+### Checks for library functions
+
+AC_FUNC_ALLOCA
+
+
 AC_CONFIG_FILES([
 Makefile
 express.pc
@@ -114,13 +170,14 @@ echo "$PACKAGE $VERSION"
 echo "------------------------------------------------------------------------"
 echo
 echo
-echo "Configuration...: os=${host_os}"
-echo "  Threads.......: ${efl_have_threads} (${features_thread})"
+echo "Configuration..............: os=${host_os}"
+echo "  Threads..................: ${efl_have_threads} (${features_thread})"
 echo
 echo "Compilation................: make (or gmake)"
-echo "  CPPFLAGS.................: $EXP_CPPFLAGS"
-echo "  CFLAGS...................: $EXP_CFLAGS"
-echo "  LDFLAGS..................: $EXP_LDFLAGS"
+echo "  CPPFLAGS.................: $CPPFLAGS"
+echo "  CFLAGS...................: $CFLAGS"
+echo "  LIBS.....................: $LIBS"
+echo "  LDFLAGS..................: $LDFLAGS"
 echo
 echo "Installation...............: make install (as root if needed, with 'su' or 'sudo')"
 echo "  prefix...................: $prefix"
diff --git a/express.pc.in b/express.pc.in
index 61470fd..00ea12b 100644
--- a/express.pc.in
+++ b/express.pc.in
@@ -2,11 +2,12 @@ prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
 includedir=@includedir@
+pkgincludedir=@pkgincludedir@-@VMAJ@
 
 Name: libexpress
 Description: EFL IRC communication library
-@pkgconfig_requires_private@: @requirements_libexpress@
 Version: @VERSION@
+Requires.private: @requirements_libexpress_pc@
 Libs: -L${libdir} -lexpress
-Libs.private:
-Cflags: -I${includedir}/express
+Libs.private: @requirements_libexpress_libs@
+Cflags: -I${pkgincludedir}
diff --git a/src/bin/Makefile.am b/src/bin/Makefile.am
index 544b7b2..7d6bb77 100644
--- a/src/bin/Makefile.am
+++ b/src/bin/Makefile.am
@@ -1,70 +1,64 @@
-AUTOMAKE_OPTIONS = subdir-objects
 
-MAINTAINERCLEANFILES = \
-  Makefile.in aclocal.m4 config.guess \
-  config.h.in config.sub configure install-sh \
-  ltconfig ltmain.sh missing mkinstalldirs \
-  stamp-h.in acconfig.h depcomp INSTALL *~
+MAINTAINERCLEANFILES = Makefile.in
 
-bin_PROGRAMS = \
-  express
+bin_PROGRAMS = express
 
 express_CPPFLAGS = \
-  -I$(top_srcdir) \
-  -I$(top_srcdir)/src/lib \
-  -I$(top_srcdir)/src/bin \
-  -DPACKAGE_BIN_DIR=\"$(bindir)\" \
-  -DPACKAGE_LIB_DIR=\"$(libdir)\" \
-  -DPACKAGE_DATA_DIR=\"$(pkgdatadir)\" \
-  -DPACKAGE_LOCALE_DIR=\"$(datadir)/locale\" \
-  -DUSE_EXPRESS_CONFIG_H \
-  @EXPRESS_CFLAGS@ \
-  @EXP_CFLAGS@
+-I$(top_srcdir) \
+-I$(top_srcdir)/src/lib \
+-I$(top_srcdir)/src/bin \
+-DPACKAGE_BIN_DIR=\"$(bindir)\" \
+-DPACKAGE_LIB_DIR=\"$(libdir)\" \
+-DPACKAGE_DATA_DIR=\"$(pkgdatadir)\" \
+-DPACKAGE_LOCALE_DIR=\"$(datadir)/locale\" \
+@EXPRESS_CFLAGS@
 
 EXPRESSHEADERS = \
-  private.h \
-  config.h \
-  theme.h \
-  utils.h \
-  window.h \
-  channel.h \
-  lz4/lz4.h \
-  grid.h \
-  grid_save.h \
-  selector.h \
-  callbacks.h \
-  options.h \
-  options_general.h \
-  options_font.h \
-  options_video.h \
-  options_networks.h \
-  options_network.h \
-  options_servers.h \
-  options_channels.h \
-  options_tools.h
+private.h \
+config.h \
+theme.h \
+utils.h \
+window.h \
+channel.h \
+lz4/lz4.h \
+grid.h \
+grid_save.h \
+selector.h \
+callbacks.h \
+options.h \
+options_general.h \
+options_font.h \
+options_video.h \
+options_networks.h \
+options_network.h \
+options_servers.h \
+options_channels.h \
+options_tools.h
 
 express_SOURCES = \
-  $(EXPRESSHEADERS) \
-  config.c \
-  main.c \
-  theme.c \
-  utils.c \
-  window.c \
-  channel.c \
-  lz4/lz4.c \
-  grid.c \
-  grid_save.c \
-  selector.c \
-  callbacks.c \
-  options.c \
-  options_general.c \
-  options_font.c \
-  options_video.c \
-  options_networks.c \
-  options_network.c \
-  options_servers.c \
-  options_channels.c \
-  options_tools.c
+$(EXPRESSHEADERS) \
+config.c \
+main.c \
+theme.c \
+utils.c \
+window.c \
+channel.c \
+lz4/lz4.c \
+grid.c \
+grid_save.c \
+selector.c \
+callbacks.c \
+options.c \
+options_general.c \
+options_font.c \
+options_video.c \
+options_networks.c \
+options_network.c \
+options_servers.c \
+options_channels.c \
+options_tools.c
 
-express_LDADD = @EXPRESS_LIBS@ @LTLIBINTL@ $(top_srcdir)/src/lib/libexpress.la
-express_LDFLAGS = -export-dynamic @EXP_LDFLAGS@
+express_LDADD = \
+$(top_builddir)/src/lib/libexpress.la \
+@EXPRESS_LIBS@ \
+@LTLIBINTL@
diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
index ac2d06f..70db432 100644
--- a/src/lib/Makefile.am
+++ b/src/lib/Makefile.am
@@ -1,25 +1,23 @@
-MAINTAINERCLEANFILES = Makefile.in config.h.in
 
-AM_CPPFLAGS = \
-  -I$(top_srcdir) \
-  -I$(top_srcdir)/src/lib \
-  -I$(top_builddir)/src/lib \
-  -DPACKAGE_LOCALE_DIR=\"$(datadir)/locale\" \
-  -DPACKAGE_LIB_DIR=\"$(libdir)\" \
-  -DUSE_EXPRESS_CONFIG_H \
-  @LIBEXPRESS_CFLAGS@ \
-  @EXP_CFLAGS@
+MAINTAINERCLEANFILES = Makefile.in
 
-pkgdir = $(libdir)
-pkg_LTLIBRARIES = libexpress.la
+includes_HEADERS = $(pkgincludedir)-@VMAJ@
+includesdir = Express.h
+
+lib_LTLIBRARIES = libexpress.la
 
 libexpress_la_SOURCES = \
-  private.h \
-  network.c \
-  main.c
+private.h \
+network.c \
+main.c
+
+libexpress_la_CPPFLAGS = \
+-I$(top_srcdir) \
+-I$(top_srcdir)/src/lib \
+-DPACKAGE_LOCALE_DIR=\"$(datadir)/locale\" \
+-DPACKAGE_LIB_DIR=\"$(libdir)\" \
+@LIBEXPRESS_CFLAGS@
 
-libexpress_la_LDFLAGS = -version-info 0:1:0 @EXP_LDFLAGS@
 libexpress_la_LIBADD = @LIBEXPRESS_LIBS@
 
-installed_mainheaderdir = $(includedir)/express
-dist_installed_mainheader_DATA = Express.h
+libexpress_la_LDFLAGS = -no-undefined -version-info @version_info@ @release_info@