AC_PREREQ([2.69])
AC_INIT([u6a], [0.01], [https://cismon.net])
AM_INIT_AUTOMAKE([foreign])
AC_CONFIG_SRCDIR([src/u6a.c])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([Makefile src/Makefile man/Makefile])

dnl Checks for programs.
AC_PROG_CC_C99

dnl Checks for libraries.

dnl Checks for header files.
AC_CHECK_HEADERS([arpa/inet.h inttypes.h stddef.h stdint.h stdlib.h string.h unistd.h],
                 [],
                 [AC_MSG_ERROR("required header(s) not found")])

dnl Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_HEADER_STDBOOL
AC_C_INLINE
AC_C_RESTRICT
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T
AC_TYPE_SIZE_T

dnl Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([getopt_long strtoul])

AC_OUTPUT