1 files changed, 81 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..de6e818
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,81 @@
+AC_INIT(libr.c)
+AM_INIT_AUTOMAKE(libr,0.6.0)
+AC_CONFIG_SRCDIR([src/libr.c])
+
+AC_PROG_CC
+AC_PROG_CC_STDC
+AC_HEADER_STDC
+AC_PROG_INSTALL
+AM_GNU_GETTEXT([external])
+
+# It is important to build both a static and a shared version of the libr 
+# library.  The shared version is for future-proofing, whereas the static 
+# version should be used to make a more portable binary until libr is
+# more widely distributed (as in distributed at all).
+AC_ENABLE_SHARED
+AC_ENABLE_STATIC
+
+# Setup libtool
+AC_PROG_LIBTOOL
+AC_SUBST(LIBTOOL_DEPS)
+
+## Handle optional libraries (only header files are used)
+PKG_CHECK_MODULES(LIBGLADE, libglade-2.0 >= 2.0.0)
+
+## Handle required components
+# Is this the best check for zlib that can be made?
+AC_CHECK_HEADERS(zlib.h math.h pthread.h)
+EXTRA_LIBS="-lz -lm -lpthread"
+EXTRA_CFLAGS="-fvisibility=hidden"
+AC_SUBST(EXTRA_CFLAGS)
+AC_SUBST(EXTRA_LIBS)
+
+## Handle backend configuration
+LIBR_BACKEND="bfd"
+BACKEND_NAME="libbfd"
+AC_ARG_ENABLE(libelf, [  --enable-libelf         use the libelf backend ], [
+	if   test "$enableval" = "yes" ; then
+		LIBR_BACKEND="elf"
+		BACKEND_NAME="libelf"
+	fi
+])
+AC_ARG_ENABLE(libbfd, [  --enable-libbfd         use the libbfd backend (default) ], [
+	if test "$enableval" == "yes" ; then
+		LIBR_BACKEND="bfd"
+		BACKEND_NAME="libbfd"
+	fi
+])
+AC_ARG_ENABLE(ro, [  --enable-ro             use the read-only backend ], [
+	if test "$enableval" == "yes" ; then
+		LIBR_BACKEND="ro"
+		BACKEND_NAME="readonly"
+	fi
+])
+echo "Using ${BACKEND_NAME} backend."
+if test "${LIBR_BACKEND}" == "bfd" ; then
+	AC_CHECK_HEADER([bfd.h], [], [
+		AC_MSG_ERROR([Could not find libbfd header file (bfd.h)! This file is usually included in the package binutils-dev.])
+	])
+	BACKEND_PKG="binutils"
+	BACKEND_LIBS="-lbfd"
+	BACKEND_CFLAGS=""
+	AC_SUBST(BACKEND_LIBS)
+	AC_SUBST(BACKEND_CFLAGS)
+elif test "${LIBR_BACKEND}" == "elf" ; then
+	# Is libelf 0.8.2 safe enough? testing is currently on 0.8.6
+	BACKEND_PKG="elfutils"
+	pkg_modules="libelf >= 0.8.2"
+	PKG_CHECK_MODULES(BACKEND, [$pkg_modules])
+fi
+AC_SUBST(BACKEND_NAME)
+AC_SUBST(LIBR_BACKEND)
+AC_SUBST(BACKEND_PKG)
+
+
+AC_CONFIG_HEADERS(config.h)
+AC_OUTPUT(
+	src/Makefile
+	man/Makefile
+	po/Makefile.in
+	Makefile
+)