build: use automake as a build system

Also provide a convenient pkg-config file at the same time.

.gitignore

@@ -1 +1,18 @@
-*.[ao]
+.deps/
+.libs/
+*.a
+*.la
+*.lo
+*.o
+*.pc
+Makefile
+Makefile.in
+.dirstamp
+
+/aclocal.m4
+/autom4te.cache/
+/build-aux/
+/config.*
+/configure
+/libtool
+/stamp-h1

Makefile.am

@@ -0,0 +1,37 @@
+# -*- Makefile -*-
+
+ACLOCAL_AMFLAGS = -I m4
+
+AM_CPPFLAGS = -I${top_srcdir}
+AM_CXXFLAGS = -Wall -Wextra -Wno-unknown-pragmas -Wshadow
+if ENABLE_DEBUG
+AM_CPPFLAGS += -DDEBUG
+AM_CXXFLAGS += -g
+endif
+
+lib_LTLIBRARIES = libebml.la
+libebml_la_SOURCES = \
+	src/Debug.cpp src/EbmlBinary.cpp src/EbmlContexts.cpp \
+	src/EbmlCrc32.cpp src/EbmlDate.cpp src/EbmlDummy.cpp \
+	src/EbmlElement.cpp src/EbmlFloat.cpp src/EbmlHead.cpp \
+	src/EbmlMaster.cpp src/EbmlSInteger.cpp src/EbmlStream.cpp \
+	src/EbmlString.cpp src/EbmlSubHead.cpp src/EbmlUInteger.cpp \
+	src/EbmlUnicodeString.cpp src/EbmlVersion.cpp src/EbmlVoid.cpp \
+	src/IOCallback.cpp src/MemIOCallback.cpp src/StdIOCallback.cpp
+libebml_la_LDFLAGS = -version-info 4:0:0 -no-undefined
+
+nobase_include_HEADERS = \
+	ebml/Debug.h ebml/EbmlBinary.h ebml/EbmlConfig.h ebml/EbmlContexts.h \
+	ebml/EbmlCrc32.h ebml/EbmlDate.h ebml/EbmlDummy.h ebml/EbmlElement.h \
+	ebml/EbmlEndian.h ebml/EbmlFloat.h ebml/EbmlHead.h ebml/EbmlId.h \
+	ebml/EbmlMaster.h ebml/EbmlSInteger.h ebml/EbmlStream.h \
+	ebml/EbmlString.h ebml/EbmlSubHead.h ebml/EbmlTypes.h \
+	ebml/EbmlUInteger.h ebml/EbmlUnicodeString.h ebml/EbmlVersion.h \
+	ebml/EbmlVoid.h ebml/IOCallback.h ebml/MemIOCallback.h \
+	ebml/StdIOCallback.h \
+	ebml/c/libebml_t.h
+
+pkgconfigdir = ${libdir}/pkgconfig
+pkgconfig_DATA = libebml.pc
+
+${pkgconfig_DATA}: config.status

configure.ac

@@ -0,0 +1,13 @@
+AC_INIT([libebml], [1.3.0])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIR([m4])
+AM_INIT_AUTOMAKE([foreign subdir-objects tar-pax])
+AC_PROG_CXX
+LT_INIT
+AC_ARG_ENABLE([debug],
+	AS_HELP_STRING([--enable-debug], [Add -g -DDEBUG to compile flags]),
+	[enable_debug="$withval"], [enable_debug=no])
+AM_CONDITIONAL([ENABLE_DEBUG], [test "$enable_debug" = yes])
+AC_CONFIG_FILES([Makefile libebml.pc])
+AC_OUTPUT

libebml.pc.in

@@ -0,0 +1,10 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name:		libebml
+Description:	Library for parsing EBML data structures
+Version:	@PACKAGE_VERSION@
+Libs:		-L${libdir} -lebml
+Cflags:		-I${includedir}

m4/.gitignore

@@ -0,0 +1,2 @@
+/libtool.m4
+/lt*.m4