configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 AC_PREREQ([2.69])
   5 AC_INIT([psh], [0.18.0], [myzhang1029@hotmail.com])
   6 AC_CONFIG_SRCDIR([src/main.c], [lib/util.c])
   7 AC_CONFIG_HEADERS([config.h])
   8 AM_INIT_AUTOMAKE([subdir-objects])
   9
  10 # Code to select a backend
  11 AC_CANONICAL_HOST
  12
  13 posix_backend=false
  14 generic_backend=false
  15 case "${host_os}" in
  16     cygwin*|darwin*|linux*|bsd*)
  17         posix_backend=true
  18         ;;
  19     *)
  20         AC_MSG_ERROR(["Currently unsupported host system: $host_os"])
  21         #generic_backend=true
  22         ;;
  23 esac
  24 AM_CONDITIONAL([POSIX], [test "$posix_backend" = "true"])
  25 AM_CONDITIONAL([GENERIC], [test "$generic_backend" = "true"])
  26
  27 # Checks for programs.
  28 AC_PROG_CC
  29 AC_PROG_RANLIB
  30
  31 # Checks for libraries.
  32 AC_SEARCH_LIBS([readline],
  33                [readline],
  34                [
  35                 AC_DEFINE_UNQUOTED([HAVE_READLINE_GNU], [1], [Define to 1 if GNU libreadline is found])
  36                 AC_DEFINE_UNQUOTED([HAVE_READLINE], [1], [Define to 1 if libreadline is found])
  37                ],
  38                [AC_SEARCH_LIBS([readline],
  39                                [edit],
  40                                [
  41                                 AC_DEFINE_UNQUOTED([HAVE_READLINE_ALTS], [1], [Define to 1 if alternative readline implementations are found])
  42                                 AC_DEFINE_UNQUOTED([HAVE_READLINE], [1], [Define to 1 if libreadline is found])
  43                                ],
  44                                [AC_MSG_WARN(
  45                                 [No libreadline or libedit, disabling readline. If yout think this is a mistake, try adding its path to CFLAGS and LDFLAGS.])
  46                                ])
  47                ])
  48
  49 AC_SEARCH_LIBS([history_list],
  50                [history],
  51                [AC_DEFINE_UNQUOTED([HAVE_WORKING_HISTORY], [1],
  52                                    [Define to 1 if working libhistory if found])
  53                ],
  54                [AC_MSG_WARN([No libhistory, disabling history. If you think this is a mistake, try adding its path to CFLAGS and LDFLAGS.])])
  55
  56 # Checks for header files.
  57 AC_CHECK_HEADERS([fcntl.h stddef.h stdint.h stdlib.h string.h unistd.h readline/readline.h readline/history.h])
  58
  59 # Checks for typedefs, structures, and compiler characteristics.
  60 AC_C_INLINE
  61 AC_TYPE_PID_T
  62 AC_TYPE_SIZE_T
  63
  64 # Checks for library functions.
  65 AC_FUNC_FORK
  66 AC_FUNC_MALLOC
  67 AC_FUNC_REALLOC
  68
  69 AC_OUTPUT([Makefile lib/Makefile src/Makefile src/backends/posix2/Makefile])