Add autoconf files for better cross-platform compilation

configure.ac

@@ -0,0 +1,45 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ([2.63])
+AC_INIT([FULL-PACKAGE-NAME], [VERSION], [BUG-REPORT-ADDRESS])
+AC_CONFIG_SRCDIR([priv/erl_comm.c])
+#AC_CONFIG_HEADERS([config.h])
+
+# Checks for programs.
+AC_PROG_CC
+AC_PROG_MAKE_SET
+
+## Checks for libraries.
+## FIXME: Replace `main' with a function in `-lei':
+#AC_CHECK_LIB([ei], [main])
+## FIXME: Replace `main' with a function in `-lerl_interface':
+#AC_CHECK_LIB([erl_interface], [main])
+## FIXME: Replace `main' with a function in `-lsqlite3':
+#AC_CHECK_LIB([sqlite3], [main])
+
+# Checks for header files.
+AC_CHECK_HEADERS([stdlib.h string.h unistd.h])
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_C_INLINE
+
+# Checks for library functions.
+AC_FUNC_MALLOC
+AC_FUNC_REALLOC
+AC_CHECK_FUNCS([bzero strstr])
+
+AC_ERLANG_NEED_ERLC
+AC_ERLANG_SUBST_ROOT_DIR
+AC_ERLANG_SUBST_LIB_DIR
+AC_ERLANG_CHECK_LIB(erl_interface)
+AC_ERLANG_CHECK_LIB(kernel)
+AC_ERLANG_CHECK_LIB(stdlib)
+AC_ERLANG_CHECK_LIB(crypto)
+AC_ERLANG_CHECK_LIB(compiler)
+AC_ERLANG_CHECK_LIB(hipe)
+AC_ERLANG_CHECK_LIB(syntax_tools)
+
+AC_CONFIG_FILES([Makefile
+                 priv/Makefile])
+AC_OUTPUT