XDI: C library autotools build system modernized

.gitignore

@@ -3,12 +3,20 @@
 *.a
 *~
 *#
+*.swp
 
 lib/autom4te.cache/*
 lib/Makefile
+lib/Makefile.in
+lib/config.h.in
+lib/libxdifile.pc
+lib/build-aux
+lib/build
+lib/m4
 lib/aclocal.m4
 lib/config.log
 lib/config.status
+lib/configure
 lib/libxdifile.so
 lib/stamp-h1
 lib/xdi_reader

lib/Makefile.am

@@ -0,0 +1,38 @@
+# location of libtool macros
+ACLOCAL_AMFLAGS = -I m4
+
+# installation location of pkg-config file
+pkgconfigdir=$(libdir)/pkgconfig
+# variable containing file that will be copied into pkgconfigdir
+pkgconfig_DATA=libxdifile.pc
+
+# installation location of headers
+xdifileincludedir=${includedir}/xdifile
+# variable containing file that will be copied into xdifileincludedir 
+xdifileinclude_HEADERS = xdifile.h
+
+# global preprocessor flags
+AM_CPPFLAGS = -I${top_srcdir} -I${top_builddir}
+
+# programs that will be installed in $(bin)
+bin_PROGRAMS = xdi_reader
+# source files necessary to compile the xdi_reader program
+xdi_reader_SOURCES = xdi_reader.c
+# xdi_reader will be linked to our shared library libxdifile
+xdi_reader_LDADD = libxdifile.la
+
+# list of libraries (built with libtool) that will end up in $(lib)
+# the .la extension will be changed depending on what is in use on the target platform (.so, .dll, .dylib)
+lib_LTLIBRARIES = libxdifile.la
+# the source code our library will be built from
+libxdifile_la_SOURCES = \
+	strutil.h \
+	strutil.c \
+	xdifile.h \
+	xdifile.c \
+	slre.h \
+	slre.c
+# the flags that will be passed onto the linker when generating the library
+# EXTRA_LDFLAGS is defined in configure.ac and will be empty, except on Windows
+# the version-info will be important when backwards compatibility needs to be broken due the removed or changed interfaces
+libxdifile_la_LDFLAGS = $(EXTRA_LDFLAGS) -version-info @LIB_CURRENT@:@LIB_REVISION@:@LIB_AGE@