* cross-build/cygwin.cache: Add a couple more known settings.
[external/binutils.git] / 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 2.2, version 2.07, from autoconf version] AC_ACVERSION)
8 LIBVERSION=2.2
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 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 "$CFLAGS" && CFLAGS=-g auto_cflags=1
33
34 AC_PROG_CC
35 AC_MINIX
36
37
38 dnl BEGIN changes for CYGNUS cross-building for Cygwin
39  
40 dnl load up the cross-building cache file -- add more cases and cache
41 dnl files as necessary
42 if test "x$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             . ${cross_cache}
49         fi
50         unset cross_cache
51         ;;
52     *)  echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
53         ;;
54     esac
55 fi
56  
57 if test "x$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='$(CC)'
67     else
68         CC_FOR_BUILD=gcc
69     fi
70 fi
71 AC_SUBST(CC_FOR_BUILD)
72  
73 dnl END changes for CYGNUS cross-building for Cygwin
74
75
76
77 # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
78 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
79
80 AC_PROG_GCC_TRADITIONAL
81 AC_PROG_INSTALL
82 AC_PROG_RANLIB
83
84 AC_RETSIGTYPE
85
86 AC_HEADER_STAT
87 AC_HEADER_DIRENT
88
89 AC_CHECK_FUNCS(strcasecmp select setenv putenv tcgetattr setlocale lstat)
90
91 AC_FUNC_STRCOLL
92
93 AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h \
94                 sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
95                 termcap.h termios.h termio.h sys/file.h locale.h)
96
97 BASH_SIGNAL_CHECK
98 BASH_REINSTALL_SIGHANDLERS
99
100 BASH_FUNC_POSIX_SETJMP
101 BASH_FUNC_LSTAT
102 BASH_CHECK_GETPW_FUNCS
103 BASH_FUNC_STRCOLL
104
105 BASH_TYPE_SIGHANDLER
106 BASH_HAVE_TIOCGWINSZ
107 BASH_HAVE_TIOCSTAT
108 BASH_HAVE_FIONREAD
109 BASH_MISC_SPEED_T
110 BASH_STRUCT_WINSIZE
111 BASH_STRUCT_DIRENT_D_INO
112 BASH_STRUCT_DIRENT_D_FILENO
113
114 dnl yuck
115 case "$host_os" in
116 aix*)   prefer_curses=yes ;;
117 esac
118 BASH_CHECK_LIB_TERMCAP
119 if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
120         TERMCAP_LIB=-ltermcap   #default
121 fi
122
123 case "$host_cpu" in
124 *cray*) LOCAL_CFLAGS=-DCRAY ;;
125 esac
126
127 case "$host_os" in
128 isc*)   LOCAL_CFLAGS=-Disc386 ;;
129 esac
130
131 BUILD_DIR=`pwd`
132 AC_SUBST(BUILD_DIR)
133
134 AC_SUBST(CFLAGS)
135 AC_SUBST(LOCAL_CFLAGS)
136 AC_SUBST(LOCAL_LDFLAGS)
137 AC_SUBST(LOCAL_DEFS)
138
139 AC_SUBST(host_cpu)
140 AC_SUBST(host_os)
141
142 AC_SUBST(LIBVERSION)
143
144 AC_SUBST(TERMCAP_LIB)
145
146 AC_OUTPUT([Makefile doc/Makefile examples/Makefile],
147 [
148 # Makefile uses this timestamp file to record whether config.h is up to date.
149 echo > stamp-h
150 ])