AC_PREREQ(2.59)
AC_INIT(libuninum, 2.6, billposer@alum.mit.edu)
AM_CONFIG_HEADER([config.h])
AM_INIT_AUTOMAKE

AC_ARG_ENABLE(allocaok,
[--disable-allocaok Do not use alloca - use heap instead.],
[case "${enableval}" in
  yes) allocaok=true ;;
  no)  allocaok=false ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-allocaok) ;;
esac],[allocaok=true])

AM_CONDITIONAL(ALLOCAOK,test "$allocaok" = true)

# Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LIBTOOL

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([alloca.h ctype.h gmp.h langinfo.h limits.h locale.h math.h stddef.h stdlib.h string.h strings.h unistd.h wchar.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T

# Checks for library functions.
AC_FUNC_ALLOCA
AC_FUNC_MALLOC
AC_CHECK_FUNCS([getopt_long localeconv setlocale strrchr wcschr])
AC_CHECK_LIB(gmp, __gmpz_init,,[AC_MSG_ERROR([GNU MP not found, see http://swox.com/gmp/])])

AC_CONFIG_FILES([Makefile])
AC_OUTPUT