AC_PREREQ([2.69])
AC_INIT([fuse-overlayfs], [0.4.2], [giuseppe@scrivano.org])
AC_CONFIG_SRCDIR([main.c])
AC_CONFIG_HEADERS([config.h])

AC_CONFIG_AUX_DIR([build-aux])

AM_INIT_AUTOMAKE([1.9 foreign])

AC_PROG_CC

gl_EARLY
gl_INIT

AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h stddef.h stdint.h stdlib.h string.h unistd.h sys/sendfile.h])

AC_PROG_RANLIB

AC_CHECK_HEADER_STDBOOL
AC_TYPE_MODE_T
AC_FUNC_OBSTACK
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
AC_CHECK_TYPES([ptrdiff_t])

PKG_CHECK_MODULES([FUSE], [fuse3 >= 3.2.1], [AC_DEFINE([HAVE_FUSE], 1, [Define if libfuse is available])], [AC_MSG_ERROR([*** libfuse not found])]])

AC_FUNC_ERROR_AT_LINE
AC_FUNC_MALLOC
AC_CHECK_FUNCS([open_by_handle_at error memset strdup])

AC_CONFIG_FILES([Makefile lib/Makefile])
AC_OUTPUT