dnl report bugs to chet@po.cwru.edu
dnl
dnl Process this file with autoconf to produce a configure script.
-AC_REVISION([for Readline 4.0, version 2.14, from autoconf version] AC_ACVERSION)
-LIBVERSION=4.0
+AC_REVISION([for Readline 4.3, version 2.45, from autoconf version] AC_ACVERSION)
-AC_INIT(readline.h)
-AC_CONFIG_HEADER(config.h)
+AC_INIT(readline, 4.3, bug-readline@gnu.org)
dnl make sure we are using a recent autoconf version
-AC_PREREQ(2.10)
+AC_PREREQ(2.50)
-AC_CONFIG_AUX_DIR(./support)
+AC_CONFIG_SRCDIR(readline.h)
+dnl AC_CONFIG_AUX_DIR(./support)
+AC_CONFIG_HEADERS(config.h)
+
+dnl update the value of RL_READLINE_VERSION in readline.h when this changes
+LIBVERSION=4.3
AC_CANONICAL_HOST
dnl configure defaults
opt_curses=no
-opt_shared=no
dnl arguments to configure
-AC_ARG_WITH(curses, --with-curses use the curses library instead of the termcap library,opt_curses=$withval)
+AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
if test "$opt_curses" = "yes"; then
prefer_curses=yes
fi
+dnl option parsing for optional features
+opt_static_libs=yes
+opt_shared_libs=no
+
+AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval)
+
+echo ""
+echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
+echo ""
+
# We want these before the checks, so the checks can modify their values.
test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
+AC_PROG_MAKE_SET
AC_PROG_CC
+dnl AC_AIX
AC_MINIX
+dnl BEGIN changes for CYGNUS cross-building for Cygwin
+
+dnl load up the cross-building cache file -- add more cases and cache
+dnl files as necessary
+if test "x$cross_compiling" = "xyes"; then
+ case "${host}" in
+ *-cygwin*)
+ cross_cache=${srcdir}/cross-build/cygwin.cache
+ LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap"
+ ;;
+ *-mingw32*)
+ cross_cache=${srcdir}/cross-build/mingw.cache
+ ;;
+ *) echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
+ ;;
+ esac
+
+ if test "x$cross_cache" != "x"; then
+ if test -r "${cross_cache}"; then
+ echo "loading cross-build cache file ${cross_cache}"
+ . ${cross_cache}
+ fi
+ unset cross_cache
+ fi
+fi
+
+if test "x$cross_compiling" = "xyes"; then
+ CROSS_COMPILING_FLAG=-DCROSS_COMPILING
+else
+ CROSS_COMPILING_FLAG=
+fi
+AC_SUBST(CROSS_COMPILING_FLAG)
+
+if test -z "$CC_FOR_BUILD"; then
+ if test "x$cross_compiling" = "xno"; then
+ CC_FOR_BUILD='$(CC)'
+ else
+ CC_FOR_BUILD=gcc
+ fi
+fi
+AC_SUBST(CC_FOR_BUILD)
+
+dnl END changes for CYGNUS cross-building for Cygwin
+
# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
-AC_CHECK_PROG(AR, ar, ar)
+AC_CHECK_PROG(AR, ar, , ar)
dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
dnl This allows people to set it when running configure or make
test -n "$ARFLAGS" || ARFLAGS="cr"
MAKE_SHELL=/bin/sh
AC_SUBST(MAKE_SHELL)
-AC_RETSIGTYPE
+AC_C_CONST
+AC_C_PROTOTYPES
+AC_C_CHAR_UNSIGNED
+
+AC_TYPE_SIGNAL
+
+AC_TYPE_SIZE_T
+AC_CHECK_TYPE(ssize_t, int)
AC_HEADER_STAT
AC_HEADER_DIRENT
-AC_CHECK_FUNCS(strcasecmp select setenv putenv tcgetattr setlocale lstat)
+AC_CHECK_FUNCS(fcntl kill lstat memmove putenv select setenv setlocale \
+ strcasecmp strpbrk tcgetattr vsnprintf isascii isxdigit \
+ getpwname getpwent getpwuid)
AC_FUNC_STRCOLL
-AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h \
- sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
- termcap.h termios.h termio.h sys/file.h locale.h)
+AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \
+ limits.h sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
+ termcap.h termios.h termio.h sys/file.h locale.h memory.h \
+ pwd.h)
-BASH_SIGNAL_CHECK
-BASH_REINSTALL_SIGHANDLERS
+BASH_SYS_SIGNAL_VINTAGE
+BASH_SYS_REINSTALL_SIGHANDLERS
BASH_FUNC_POSIX_SETJMP
BASH_FUNC_LSTAT
-BASH_CHECK_GETPW_FUNCS
BASH_FUNC_STRCOLL
+BASH_CHECK_GETPW_FUNCS
+
+AC_HEADER_TIOCGWINSZ
+
BASH_TYPE_SIGHANDLER
-BASH_HAVE_TIOCGWINSZ
BASH_HAVE_TIOCSTAT
BASH_HAVE_FIONREAD
-BASH_MISC_SPEED_T
+BASH_CHECK_SPEED_T
BASH_STRUCT_WINSIZE
BASH_STRUCT_DIRENT_D_INO
BASH_STRUCT_DIRENT_D_FILENO
esac
BASH_CHECK_LIB_TERMCAP
if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
- TERMCAP_LIB=-ltermcap #default
+ if test "$prefer_curses" = yes; then
+ TERMCAP_LIB=-lcurses
+ else
+ TERMCAP_LIB=-ltermcap #default
+ fi
fi
+BASH_CHECK_MULTIBYTE
+
case "$host_cpu" in
*cray*) LOCAL_CFLAGS=-DCRAY ;;
+*s390*) LOCAL_CFLAGS=-fsigned-char ;;
esac
case "$host_os" in
#
if test -f ${srcdir}/support/shobj-conf; then
AC_MSG_CHECKING(configuration for building shared libraries)
- eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C ${CC} -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
+ eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
AC_SUBST(SHOBJ_CC)
AC_SUBST(SHOBJ_CFLAGS)
AC_SUBST(SHOBJ_LD)
AC_SUBST(SHLIB_LIBVERSION)
AC_SUBST(SHLIB_LIBS)
AC_MSG_RESULT($SHLIB_STATUS)
+
+ # SHLIB_STATUS is either `supported' or `unsupported'. If it's
+ # `unsupported', turn off any default shared library building
+ if test "$SHLIB_STATUS" = 'unsupported'; then
+ opt_shared_libs=no
+ fi
+
+ # shared library versioning
+ # quoted for m4 so I can use character classes
+ SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`]
+ SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`]
+ AC_SUBST(SHLIB_MAJOR)
+ AC_SUBST(SHLIB_MINOR)
+fi
+
+if test "$opt_static_libs" = "yes"; then
+ STATIC_TARGET=static
+ STATIC_INSTALL_TARGET=install-static
fi
+if test "$opt_shared_libs" = "yes"; then
+ SHARED_TARGET=shared
+ SHARED_INSTALL_TARGET=install-shared
+fi
+
+AC_SUBST(STATIC_TARGET)
+AC_SUBST(SHARED_TARGET)
+AC_SUBST(STATIC_INSTALL_TARGET)
+AC_SUBST(SHARED_INSTALL_TARGET)
+
+case "$host_os" in
+msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file
+*) BUILD_DIR=`pwd` ;;
+esac
-BUILD_DIR=`pwd`
AC_SUBST(BUILD_DIR)
AC_SUBST(CFLAGS)