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AC_INIT(ncdu, 1.9g, projects@yorhel.nl)
AC_CONFIG_SRCDIR([src/global.h])
AC_CONFIG_HEADER([config.h])
AM_INIT_AUTOMAKE([foreign subdir-objects])

# Check for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_RANLIB

# Check for header files.
AC_CHECK_HEADERS(
  [limits.h sys/time.h sys/types.h sys/stat.h dirent.h unistd.h fnmatch.h ncurses.h locale.h],[],
  AC_MSG_ERROR([required header file not found]))

# Check for typedefs, structures, and compiler characteristics.
AC_TYPE_INT64_T
AC_TYPE_UINT64_T
AC_SYS_LARGEFILE
AC_STRUCT_ST_BLOCKS

# Check for library functions.
AC_CHECK_FUNCS(
  [getcwd gettimeofday fnmatch chdir rmdir unlink lstat setlocale],[],
  AC_MSG_ERROR([required function missing]))



# Look for ncurses library to link to
ncurses=auto
AC_ARG_WITH([ncurses],
            AC_HELP_STRING([--with-ncurses], [compile/link with ncurses library] ),
            [ncurses=ncurses])
AC_ARG_WITH([ncursesw],
            AC_HELP_STRING([--with-ncursesw], [compile/link with wide-char ncurses library @<:@default@:>@]),
            [ncurses=ncursesw])
if test "$ncurses" = "auto" -o "$ncurses" = "ncursesw"; then
  AC_CHECK_LIB([ncursesw],
               [initscr],
               [LIBS="$LIBS -lncursesw"; ncurses=ncursesw],
               [ncurses=ncurses])
fi
if test "$ncurses" = "ncurses"; then
  AC_CHECK_LIB([ncurses],
               [initscr],
               [LIBS="$LIBS -lncurses"],
               [AC_MSG_ERROR(ncurses library is required)])
fi



AC_OUTPUT([Makefile])