#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.69])
AC_INIT([hyperstart], [0.5.0], [www.hyper.sh])
AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
AM_EXTRA_RECURSIVE_TARGETS([initrd cbfs])
AC_CONFIG_SRCDIR([src/init.c])
AC_CONFIG_HEADERS([config.h])

# Checks for programs.
AC_PROG_CC
AM_PROG_CC_C_O
# Checks for libraries.

# Checks for header files.
AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h stddef.h stdint.h stdlib.h string.h sys/mount.h sys/socket.h unistd.h],
[headers_found=yes],
[headers_found=no])

if test "x$headers_found" != "xyes"; then
    AC_MSG_ERROR(Unable to find necessary headers)
fi

# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T

# Checks for library functions.
AC_FUNC_FORK
AC_CHECK_FUNCS([dup2 memmove memset mkdir setenv socket strchr strdup strrchr strtoul], [fail=0], [fail=1])
AC_CHECK_FUNCS([setns])

if test "$fail" = "1" ; then
    AC_MSG_ERROR(Unable to find necessary functions)
fi

AC_ARG_WITH([vbox],
            [AS_HELP_STRING([--with-vbox],
                            [run hyperstart on Virtualbox])],
            [],[with_vbox=no])

if test "x$with_vbox" != "xno" ; then
    AC_DEFINE_UNQUOTED([WITH_VBOX], 1, [run hyperstart on Virtualbox])
fi

AM_CONDITIONAL([WITH_VBOX], [test "x$with_vbox" != "xno"])

AC_CONFIG_FILES([
  Makefile
  src/Makefile
  build/Makefile
])
AC_OUTPUT

AC_MSG_RESULT([
	${PACKAGE}  ${VERSION}
	prefix:		${prefix}

	with-vbox:	${with_vbox}

	compiler:          ${CC}
	cflags:            ${CFLAGS}
	suid cflags:       ${SUID_CFLAGS}
	ldflags:           ${LDFLAGS}
	suid ldflags:      ${SUID_LDFLAGS}
])