readline/configure.in

   1 dnl
   2 dnl Configure script for readline library
   3 dnl
   4 dnl report bugs to chet@po.cwru.edu
   5 dnl
   6 dnl Process this file with autoconf to produce a configure script.
   7 AC_REVISION([for Readline 4.0, version 2.14, from autoconf version] AC_ACVERSION)
   8 LIBVERSION=4.0
   9
  10 AC_INIT(readline.h)
  11 AC_CONFIG_HEADER(config.h)
  12
  13 dnl make sure we are using a recent autoconf version
  14 AC_PREREQ(2.10)
  15
  16 dnl AC_CONFIG_AUX_DIR(./support)
  17
  18 AC_CANONICAL_HOST
  19
  20 dnl configure defaults
  21 opt_curses=no
  22 opt_shared=no
  23
  24 dnl arguments to configure
  25 AC_ARG_WITH(curses, --with-curses               use the curses library instead of the termcap library,opt_curses=$withval)
  26
  27 if test "$opt_curses" = "yes"; then
  28         prefer_curses=yes
  29 fi
  30
  31 # We want these before the checks, so the checks can modify their values.
  32 test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
  33
  34 AC_PROG_CC
  35 AC_MINIX
  36
  37 dnl BEGIN changes for CYGNUS cross-building for Cygwin
  38
  39 dnl load up the cross-building cache file -- add more cases and cache
  40 dnl files as necessary
  41 if test "x$cross_compiling" = "xyes"; then
  42     case "${host}" in
  43     *-cygwin*)
  44         cross_cache=${srcdir}/cross-build/cygwin.cache
  45         if test -r "${cross_cache}"; then
  46             echo "loading cross-build cache file ${cross_cache}"
  47             . ${cross_cache}
  48         fi
  49         LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap"
  50         unset cross_cache
  51         ;;
  52     *)  echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
  53         ;;
  54     esac
  55 fi
  56
  57 if test "x$cross_compiling" = "xyes"; then
  58   CROSS_COMPILING_FLAG=-DCROSS_COMPILING
  59 else
  60   CROSS_COMPILING_FLAG=
  61 fi
  62 AC_SUBST(CROSS_COMPILING_FLAG)
  63
  64 if test -z "$CC_FOR_BUILD"; then
  65     if test "x$cross_compiling" = "xno"; then
  66         CC_FOR_BUILD='$(CC)'
  67     else
  68         CC_FOR_BUILD=gcc
  69     fi
  70 fi
  71 AC_SUBST(CC_FOR_BUILD)
  72
  73 dnl END changes for CYGNUS cross-building for Cygwin
  74
  75 # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
  76 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
  77
  78 AC_PROG_GCC_TRADITIONAL
  79 AC_PROG_INSTALL
  80 AC_CHECK_PROG(AR, ar, ar)
  81 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
  82 dnl This allows people to set it when running configure or make
  83 test -n "$ARFLAGS" || ARFLAGS="cr"
  84 AC_PROG_RANLIB
  85
  86 MAKE_SHELL=/bin/sh
  87 AC_SUBST(MAKE_SHELL)
  88
  89 AC_RETSIGTYPE
  90
  91 AC_HEADER_STAT
  92 AC_HEADER_DIRENT
  93
  94 AC_CHECK_FUNCS(strcasecmp select setenv putenv tcgetattr setlocale lstat)
  95
  96 AC_FUNC_STRCOLL
  97
  98 AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h \
  99                 sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
 100                 termcap.h termios.h termio.h sys/file.h locale.h)
 101
 102 BASH_SIGNAL_CHECK
 103 BASH_REINSTALL_SIGHANDLERS
 104
 105 BASH_FUNC_POSIX_SETJMP
 106 BASH_FUNC_LSTAT
 107 BASH_CHECK_GETPW_FUNCS
 108 BASH_FUNC_STRCOLL
 109
 110 BASH_TYPE_SIGHANDLER
 111 BASH_HAVE_TIOCGWINSZ
 112 BASH_HAVE_TIOCSTAT
 113 BASH_HAVE_FIONREAD
 114 BASH_MISC_SPEED_T
 115 BASH_STRUCT_WINSIZE
 116 BASH_STRUCT_DIRENT_D_INO
 117 BASH_STRUCT_DIRENT_D_FILENO
 118
 119 dnl yuck
 120 case "$host_os" in
 121 aix*)   prefer_curses=yes ;;
 122 esac
 123 BASH_CHECK_LIB_TERMCAP
 124 if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
 125         TERMCAP_LIB=-ltermcap   #default
 126 fi
 127
 128 case "$host_cpu" in
 129 *cray*) LOCAL_CFLAGS=-DCRAY ;;
 130 esac
 131
 132 case "$host_os" in
 133 isc*)   LOCAL_CFLAGS=-Disc386 ;;
 134 esac
 135
 136 # shared library configuration section
 137 #
 138 # Shared object configuration section.  These values are generated by
 139 # ${srcdir}/support/shobj-conf
 140 #
 141 if test -f ${srcdir}/support/shobj-conf; then
 142         AC_MSG_CHECKING(configuration for building shared libraries)
 143         eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C ${CC} -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
 144         AC_SUBST(SHOBJ_CC)
 145         AC_SUBST(SHOBJ_CFLAGS)
 146         AC_SUBST(SHOBJ_LD)
 147         AC_SUBST(SHOBJ_LDFLAGS)
 148         AC_SUBST(SHOBJ_XLDFLAGS)
 149         AC_SUBST(SHOBJ_LIBS)
 150         AC_SUBST(SHOBJ_STATUS)
 151         AC_SUBST(SHLIB_STATUS)
 152         AC_SUBST(SHLIB_XLDFLAGS)
 153         AC_SUBST(SHLIB_LIBSUFF)
 154         AC_SUBST(SHLIB_LIBVERSION)
 155         AC_SUBST(SHLIB_LIBS)
 156         AC_MSG_RESULT($SHLIB_STATUS)
 157 fi
 158
 159 BUILD_DIR=`pwd`
 160 AC_SUBST(BUILD_DIR)
 161
 162 AC_SUBST(CFLAGS)
 163 AC_SUBST(LOCAL_CFLAGS)
 164 AC_SUBST(LOCAL_LDFLAGS)
 165 AC_SUBST(LOCAL_DEFS)
 166
 167 AC_SUBST(AR)
 168 AC_SUBST(ARFLAGS)
 169
 170 AC_SUBST(host_cpu)
 171 AC_SUBST(host_os)
 172
 173 AC_SUBST(LIBVERSION)
 174
 175 AC_SUBST(TERMCAP_LIB)
 176
 177 AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile],
 178 [
 179 # Makefile uses this timestamp file to record whether config.h is up to date.
 180 echo > stamp-h
 181 ])