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efd811591c
The regex it uses does not like so many leading spaces which causes it to think the files lack copyright. Trim them down so the script can find & update them accordingly.
212 lines
4.5 KiB
Plaintext
212 lines
4.5 KiB
Plaintext
dnl Copyright (C) 1997-2022 Free Software Foundation, Inc.
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 3 of the License, or
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dnl (at your option) any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
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dnl
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dnl Check for various platform settings.
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AC_DEFUN([SIM_AC_PLATFORM],
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[dnl
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dnl Check for common headers.
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dnl NB: You can assume C11 headers exist.
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AC_CHECK_HEADERS_ONCE(m4_flatten([
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dlfcn.h
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fcntl.h
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fpu_control.h
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termios.h
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unistd.h
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utime.h
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linux/if_tun.h
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linux/mii.h
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linux/types.h
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net/if.h
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netinet/in.h
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netinet/tcp.h
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sys/ioctl.h
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sys/mman.h
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sys/mount.h
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sys/param.h
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sys/resource.h
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sys/socket.h
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sys/stat.h
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sys/statfs.h
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sys/termio.h
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sys/termios.h
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sys/types.h
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sys/vfs.h
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]))
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AC_HEADER_DIRENT
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AC_CHECK_FUNCS_ONCE(m4_flatten([
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__setfpucw
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access
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aint
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anint
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cfgetispeed
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cfgetospeed
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cfsetispeed
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cfsetospeed
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chdir
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chmod
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dup
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dup2
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execv
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execve
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fcntl
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fork
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fstat
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fstatfs
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ftruncate
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getdirentries
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getegid
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geteuid
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getgid
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getpid
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getppid
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getrusage
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gettimeofday
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getuid
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ioctl
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kill
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link
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lseek
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mmap
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munmap
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pipe
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posix_fallocate
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pread
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rmdir
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setregid
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setreuid
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setgid
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setuid
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sigaction
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sigprocmask
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sqrt
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stat
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strsignal
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symlink
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tcdrain
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tcflow
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tcflush
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tcgetattr
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tcgetpgrp
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tcsendbreak
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tcsetattr
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tcsetpgrp
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time
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truncate
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umask
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unlink
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utime
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]))
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AC_STRUCT_ST_BLKSIZE
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AC_STRUCT_ST_BLOCKS
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AC_STRUCT_ST_RDEV
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AC_STRUCT_TIMEZONE
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AC_CHECK_MEMBERS([[struct stat.st_dev], [struct stat.st_ino],
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[struct stat.st_mode], [struct stat.st_nlink], [struct stat.st_uid],
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[struct stat.st_gid], [struct stat.st_rdev], [struct stat.st_size],
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[struct stat.st_blksize], [struct stat.st_blocks], [struct stat.st_atime],
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[struct stat.st_mtime], [struct stat.st_ctime]], [], [],
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[[#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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#include <sys/stat.h>
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#endif]])
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AC_CHECK_TYPES([__int128])
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AC_CHECK_TYPES(socklen_t, [], [],
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[#include <sys/types.h>
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#include <sys/socket.h>
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])
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dnl Types used by common code
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AC_TYPE_GETGROUPS
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AC_TYPE_MODE_T
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AC_TYPE_OFF_T
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AC_TYPE_PID_T
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AC_TYPE_SIGNAL
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AC_TYPE_SIZE_T
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AC_TYPE_UID_T
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dnl We don't use gettext, but bfd does. So we do the appropriate checks
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dnl to see if there are intl libraries we should link against.
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ALL_LINGUAS=
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ZW_GNU_GETTEXT_SISTER_DIR
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dnl BFD conditionally uses zlib, so we must link it in if libbfd does, by
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dnl using the same condition.
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AM_ZLIB
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dnl BFD uses libdl when when plugins enabled.
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AC_PLUGINS
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AM_CONDITIONAL(PLUGINS, test "$plugins" = yes)
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LT_INIT([dlopen])
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AC_SUBST(lt_cv_dlopen_libs)
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dnl Libraries.
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AC_CHECK_LIB(socket, bind)
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AC_CHECK_LIB(nsl, gethostbyname)
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AC_CHECK_LIB(m, fabs)
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AC_CHECK_LIB(m, log2)
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AC_CHECK_LIB(dl, dlopen)
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if test "${ac_cv_lib_dl_dlopen}" = "yes"; then
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PKG_CHECK_MODULES(SDL, sdl2, [dnl
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SDL_CFLAGS="${SDL_CFLAGS} -DHAVE_SDL=2"
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SDL_LIBS="-ldl"
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], [
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PKG_CHECK_MODULES(SDL, sdl, [dnl
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SDL_CFLAGS="${SDL_CFLAGS} -DHAVE_SDL=1"
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SDL_LIBS="-ldl"
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], [:])
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])
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else
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SDL_CFLAGS=
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SDL_LIBS=
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fi
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AC_SUBST(SDL_CFLAGS)
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AC_SUBST(SDL_LIBS)
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dnl In the Cygwin environment, we need some additional flags.
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AC_CACHE_CHECK([for cygwin], sim_cv_os_cygwin,
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[AC_EGREP_CPP(lose, [
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#ifdef __CYGWIN__
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lose
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#endif],[sim_cv_os_cygwin=yes],[sim_cv_os_cygwin=no])])
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dnl Keep in sync with gdb's configure.ac list.
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AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses],
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[TERMCAP_LIB=$ac_cv_search_tgetent], [TERMCAP_LIB=""])
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if test x$sim_cv_os_cygwin = xyes; then
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TERMCAP_LIB="${TERMCAP_LIB} -luser32"
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fi
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AC_SUBST(TERMCAP_LIB)
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dnl We prefer the in-tree readline. Top-level dependencies make sure
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dnl src/readline (if it's there) is configured before src/sim.
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if test -r ../readline/Makefile; then
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READLINE_LIB=../../readline/readline/libreadline.a
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READLINE_CFLAGS='-I$(READLINE_SRC)/..'
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else
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AC_CHECK_LIB(readline, readline, READLINE_LIB=-lreadline,
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AC_ERROR([the required "readline" library is missing]), $TERMCAP_LIB)
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READLINE_CFLAGS=
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fi
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AC_SUBST(READLINE_LIB)
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AC_SUBST(READLINE_CFLAGS)
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])
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