readline/configure.in

   1 dnl
   2 dnl Configure script for readline library
   3 dnl
   4 dnl report bugs to [email protected]
   5 dnl
   6 dnl Process this file with autoconf to produce a configure script.
   7 AC_REVISION([for Readline 4.1, version 2.22, from autoconf version] AC_ACVERSION)
   8 LIBVERSION=4.1
   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 "$CFLAGS" && CFLAGS=-g auto_cflags=1
  33
  34 AC_PROG_CC
  35 dnl AC_AIX
  36 AC_MINIX
  37
  38 dnl BEGIN changes for CYGNUS cross-building for Cygwin
  39
  40 dnl load up the cross-building cache file -- add more cases and cache
  41 dnl files as necessary
  42 if test "x$cross_compiling" = "xyes"; then
  43     case "${host}" in
  44     *-cygwin*)
  45         cross_cache=${srcdir}/cross-build/cygwin.cache
  46         if test -r "${cross_cache}"; then
  47             echo "loading cross-build cache file ${cross_cache}"
  48             . ${cross_cache}
  49         fi
  50         LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap"
  51         unset cross_cache
  52         ;;
  53     *)  echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
  54         ;;
  55     esac
  56 fi
  57
  58 if test "x$cross_compiling" = "xyes"; then
  59   CROSS_COMPILING_FLAG=-DCROSS_COMPILING
  60 else
  61   CROSS_COMPILING_FLAG=
  62 fi
  63 AC_SUBST(CROSS_COMPILING_FLAG)
  64
  65 if test -z "$CC_FOR_BUILD"; then
  66     if test "x$cross_compiling" = "xno"; then
  67         CC_FOR_BUILD='$(CC)'
  68     else
  69         CC_FOR_BUILD=gcc
  70     fi
  71 fi
  72 AC_SUBST(CC_FOR_BUILD)
  73
  74 dnl END changes for CYGNUS cross-building for Cygwin
  75
  76 # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
  77 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
  78
  79 AC_PROG_GCC_TRADITIONAL
  80 AC_PROG_INSTALL
  81 AC_CHECK_PROG(AR, ar, ar)
  82 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
  83 dnl This allows people to set it when running configure or make
  84 test -n "$ARFLAGS" || ARFLAGS="cr"
  85 AC_PROG_RANLIB
  86
  87 MAKE_SHELL=/bin/sh
  88 AC_SUBST(MAKE_SHELL)
  89
  90 AC_RETSIGTYPE
  91
  92 AC_HEADER_STAT
  93 AC_HEADER_DIRENT
  94
  95 AC_CHECK_FUNCS(lstat memmove putenv select setenv setlocale \
  96                 strcasecmp tcgetattr)
  97
  98 AC_FUNC_STRCOLL
  99
 100 AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h \
 101                 sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
 102                 termcap.h termios.h termio.h sys/file.h locale.h)
 103
 104 BASH_SIGNAL_CHECK
 105 BASH_REINSTALL_SIGHANDLERS
 106
 107 BASH_FUNC_POSIX_SETJMP
 108 BASH_FUNC_LSTAT
 109 BASH_CHECK_GETPW_FUNCS
 110 BASH_FUNC_STRCOLL
 111
 112 BASH_TYPE_SIGHANDLER
 113 BASH_HAVE_TIOCGWINSZ
 114 BASH_HAVE_TIOCSTAT
 115 BASH_HAVE_FIONREAD
 116 BASH_MISC_SPEED_T
 117 BASH_STRUCT_WINSIZE
 118 BASH_STRUCT_DIRENT_D_INO
 119 BASH_STRUCT_DIRENT_D_FILENO
 120
 121 dnl yuck
 122 case "$host_os" in
 123 aix*)   prefer_curses=yes ;;
 124 esac
 125 BASH_CHECK_LIB_TERMCAP
 126 if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
 127         TERMCAP_LIB=-ltermcap   #default
 128 fi
 129
 130 case "$host_cpu" in
 131 *cray*) LOCAL_CFLAGS=-DCRAY ;;
 132 *s390*) LOCAL_CFLAGS=-fsigned-char ;;
 133 esac
 134
 135 case "$host_os" in
 136 isc*)   LOCAL_CFLAGS=-Disc386 ;;
 137 esac
 138
 139 # shared library configuration section
 140 #
 141 # Shared object configuration section.  These values are generated by
 142 # ${srcdir}/support/shobj-conf
 143 #
 144 if test -f ${srcdir}/support/shobj-conf; then
 145         AC_MSG_CHECKING(configuration for building shared libraries)
 146         eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
 147         AC_SUBST(SHOBJ_CC)
 148         AC_SUBST(SHOBJ_CFLAGS)
 149         AC_SUBST(SHOBJ_LD)
 150         AC_SUBST(SHOBJ_LDFLAGS)
 151         AC_SUBST(SHOBJ_XLDFLAGS)
 152         AC_SUBST(SHOBJ_LIBS)
 153         AC_SUBST(SHOBJ_STATUS)
 154         AC_SUBST(SHLIB_STATUS)
 155         AC_SUBST(SHLIB_XLDFLAGS)
 156         AC_SUBST(SHLIB_LIBSUFF)
 157         AC_SUBST(SHLIB_LIBVERSION)
 158         AC_SUBST(SHLIB_LIBS)
 159         AC_MSG_RESULT($SHLIB_STATUS)
 160
 161         # shared library versioning
 162         # quoted for m4 so I can use character classes
 163         SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`]
 164         SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`]
 165         AC_SUBST(SHLIB_MAJOR)
 166         AC_SUBST(SHLIB_MINOR)
 167 fi
 168
 169 case "$host_os" in
 170 msdosdjgpp*)    BUILD_DIR=`pwd.exe` ;;  # to prevent //d/path/file
 171 *)              BUILD_DIR=`pwd` ;;
 172 esac
 173
 174 AC_SUBST(BUILD_DIR)
 175
 176 AC_SUBST(CFLAGS)
 177 AC_SUBST(LOCAL_CFLAGS)
 178 AC_SUBST(LOCAL_LDFLAGS)
 179 AC_SUBST(LOCAL_DEFS)
 180
 181 AC_SUBST(AR)
 182 AC_SUBST(ARFLAGS)
 183
 184 AC_SUBST(host_cpu)
 185 AC_SUBST(host_os)
 186
 187 AC_SUBST(LIBVERSION)
 188
 189 AC_SUBST(TERMCAP_LIB)
 190
 191 AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile],
 192 [
 193 # Makefile uses this timestamp file to record whether config.h is up to date.
 194 echo > stamp-h
 195 ])