new versioning system for configure

Makefile.am

@@ -1,5 +1,5 @@
 ## Process this file with automake to produce Makefile.in
-SUBDIRS= gtk2plot
+SUBDIRS= ${PLOT_SDIR}
 ACLOCAL_AMFLAGS=-I m4 ${ACLOCAL_FLAGS}
 
 pkgconfigdir=$(libdir)/pkgconfig

configure.ac

@@ -1,27 +1,32 @@
 AC_PREREQ([2.65])
 m4_define(gtkplot_configure_ac)
-m4_define([gtkplot_major_version], [1])
-m4_define([gtkplot_minor_version], [0])
-m4_define([gtkplot_micro_version], [0])
+m4_define([gtk_major_dependency], [2])
+m4_define([gtk_minor_dependency], [14])
+m4_define([gtk_api_revision], [0])
+m4_define([gtkplot_lt_current], [0])
+m4_define([gtkplot_lt_age], [0])
 m4_define([gtkplot_lt_revision], [0])
-m4_define([gtkplot_binary_age], [m4_eval(100 * gtkplot_minor_version + gtkplot_micro_version)])
-m4_define([gtkplot_lt_current], [m4_eval(100 * gtkplot_minor_version + gtkplot_micro_version - gtkplot_lt_revision)])
-m4_define([gtkplot_lt_age], [m4_eval(gtkplot_binary_age - gtkplot_lt_revision)])
-
-AC_INIT([Gtk2Plot],[gtkplot_major_version.gtkplot_minor_version.gtkplot_micro_version],[pchilds@physics.org],[gtk2plot],[https://github.com/pchilds/GtkPlot])
+m4_define([gtk_req], [gtk+-gtk_major_dependency.gtk_api_revision >= gtk_major_dependency.gtk_minor_dependency])
+m4_append([Sdir], [Gtk])
+m4_append([sdir], [gtk])
+m4_append([Sdir], m4_unquote([gtk_major_dependency]))
+m4_append([sdir], m4_unquote([gtk_major_dependency]))
+m4_append([Sdir], [Plot])
+m4_append([sdir], [plot])
+AC_INIT([Sdir],[gtk_major_dependency.gtkplot_lt_current.gtkplot_lt_revision],[pchilds@physics.org],[sdir],[https://github.com/pchilds/GtkPlot])
 AC_CONFIG_HEADERS([config.h gtkplotconfig.h])
-AC_CONFIG_SRCDIR([gtk2plot/gtkplotlinear.h])
+AC_CONFIG_SRCDIR([sdir/gtkplotlinear.h])
 AC_CONFIG_AUX_DIR([confsupp])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 AC_PROG_CC([gcc cc])
-LT_INIT([disable-static])
-gtk_req="gtk+-2.0 >= 2.14"
+LT_INIT()
 AC_SUBST([LT_CURRENT], [gtkplot_lt_current])
 AC_SUBST([LT_REVISION], [gtkplot_lt_revision])
 AC_SUBST([LT_AGE], [gtkplot_lt_age])
-AC_SUBST([PLOT_API_VERSION], [2.0])
-AC_SUBST([PLOT_GTK_VERSION], [$gtk_req])
-PKG_CHECK_MODULES([PLOT], [$gtk_req])
-AC_CONFIG_FILES([Makefile gtk2plot/Makefile gtkplot-${PLOT_API_VERSION}.pc])
+AC_SUBST([PLOT_API_VERSION], [gtk_major_dependency.gtk_api_revision])
+AC_SUBST([PLOT_GTK_VERSION], [gtk_req])
+AC_SUBST([PLOT_SDIR], [sdir])
+PKG_CHECK_MODULES([PLOT], [gtk_req])
+AC_CONFIG_FILES([Makefile ${PLOT_SDIR}/Makefile gtkplot-${PLOT_API_VERSION}.pc])
 AC_OUTPUT()