i-bash/configure.in
2009-09-12 16:46:52 +00:00

636 lines
18 KiB
Text

dnl
dnl Configure script for bash-2.02
dnl
dnl report bugs to chet@po.cwru.edu
dnl
dnl Process this file with autoconf to produce a configure script.
dnl checks for version info
AC_REVISION([for Bash 2.02, version 2.19, from autoconf version] AC_ACVERSION)dnl
AC_INIT(shell.h)
AC_CONFIG_HEADER(config.h)
dnl make sure we are using a recent autoconf version
AC_PREREQ(2.10)
dnl where to find install.sh, config.sub, and config.guess
AC_CONFIG_AUX_DIR(./support)
dnl canonicalize the host and os so we can do some tricky things before
dnl parsing options
AC_CANONICAL_HOST
dnl configure defaults
opt_gnu_malloc=yes
opt_glibc_malloc=no
opt_purify=no
opt_purecov=no
opt_afs=no
opt_curses=no
dnl some systems should be configured without gnu malloc by default
dnl and some need a special compiler or loader
dnl look in the NOTES file for more
case "${host_cpu}-${host_os}" in
alpha-*) opt_gnu_malloc=no ;; # alpha running osf/1 or linux
*[Cc]ray*-*) opt_gnu_malloc=no ;; # Crays
*-osf1*) opt_gnu_malloc=no ;; # other osf/1 machines
sparc-svr4*) opt_gnu_malloc=no ;; # sparc SVR4, SVR4.2
sparc-netbsd*) opt_gnu_malloc=no ;; # needs 8-byte alignment
#mips-irix6*) opt_gnu_malloc=no ;; # needs 8-byte alignment
sparc-linux*) opt_gnu_malloc=no ;; # sparc running linux; requires ELF
#*-freebsd*) opt_gnu_malloc=no ;; # they claim it's better
*-aix*) opt_gnu_malloc=no ;; # AIX machines
*-nextstep*) opt_gnu_malloc=no ;; # NeXT machines running NeXTstep
*-dgux*) opt_gnu_malloc=no ;; # DG/UX machines
*-qnx*) opt_gnu_malloc=no ;; # QNX 4.2
*-machten4) opt_gnu_malloc=no ;; # MachTen 4.x
*-bsdi2.1|*-bsdi3.?) opt_gnu_malloc=no ; : ${CC:=shlicc2} ;; # for loadable builtins
*-cygwin32*) opt_gnu_malloc=no ;; # Cygnus's CYGWIN32 environment
esac
dnl arguments to configure
dnl packages
AC_ARG_WITH(afs, --with-afs if you are running AFS, opt_afs=$withval)
AC_ARG_WITH(curses, --with-curses use the curses library instead of the termcap library,opt_curses=$withval)
AC_ARG_WITH(glibc-malloc, --with-glibc-malloc use the GNU C library version of malloc,opt_glibc_malloc=$withval)
AC_ARG_WITH(gnu-malloc, --with-gnu-malloc use the GNU version of malloc,opt_gnu_malloc=$withval)
AC_ARG_WITH(purecov, --with-purecov configure to postprocess with pure coverage, opt_purecov=$withval)
AC_ARG_WITH(purify, --with-purify configure to postprocess with purify, opt_purify=$withval)
dnl test for glibc malloc first because it can override the default
if test "$opt_glibc_malloc" = yes; then
MALLOC_TARGET=gmalloc
MALLOC_SRC=gmalloc.c
elif test "$opt_gnu_malloc" = yes; then
MALLOC_TARGET=malloc
MALLOC_SRC=malloc.c
else
MALLOC_TARGET=stubmalloc
MALLOC_SRC=stub.c
fi
if test "$opt_purify" = yes; then
PURIFY="purify "
else
PURIFY=
fi
if test "$opt_purecov" = yes; then
PURIFY="${PURIFY}purecov"
fi
if test "$opt_afs" = yes; then
AC_DEFINE(AFS)
fi
if test "$opt_curses" = yes; then
prefer_curses=yes
fi
dnl optional shell features in config.h.in
opt_minimal_config=no
opt_job_control=yes
opt_alias=yes
opt_readline=yes
opt_history=yes
opt_bang_history=yes
opt_dirstack=yes
opt_restricted=yes
opt_process_subst=yes
opt_prompt_decoding=yes
opt_select=yes
opt_help=yes
opt_array_variables=yes
opt_dparen_arith=yes
opt_extended_glob=yes
opt_brace_expansion=yes
opt_disabled_builtins=no
opt_command_timing=yes
opt_usg_echo=no
opt_cond_command=yes
dnl options that affect how bash is compiled and linked
opt_static_link=no
opt_profiling=no
dnl argument parsing for optional features
AC_ARG_ENABLE(minimal-config, --enable-minimal-config a minimal sh-like configuration, opt_minimal_config=$enableval)
dnl a minimal configuration turns everything off, but features can be
dnl added individually
if test $opt_minimal_config = yes; then
opt_job_control=no opt_alias=no opt_readline=no
opt_history=no opt_bang_history=no opt_dirstack=no
opt_restricted=no opt_process_subst=no opt_prompt_decoding=no
opt_select=no opt_help=no opt_array_variables=no opt_dparen_arith=no
opt_brace_expansion=no opt_disabled_builtins=no opt_command_timing=no
opt_extended_glob=no opt_cond_command=no
fi
AC_ARG_ENABLE(alias, --enable-alias enable shell aliases, opt_alias=$enableval)
AC_ARG_ENABLE(array-variables, --enable-array-variables include shell array variables, opt_array_variables=$enableval)
AC_ARG_ENABLE(bang-history, --enable-bang-history turn on csh-style history substitution, opt_bang_history=$enableval)
AC_ARG_ENABLE(brace-expansion, --enable-brace-expansion include brace expansion, opt_brace_expansion=$enableval)
AC_ARG_ENABLE(command-timing, --enable-command-timing enable the time reserved word and command timing, opt_command_timing=$enableval)
AC_ARG_ENABLE(cond-command, --enable-cond-command enable the conditional command, opt_cond_command=$enableval)
AC_ARG_ENABLE(directory-stack, --enable-directory-stack enable builtins pushd/popd/dirs, opt_dirstack=$enableval)
AC_ARG_ENABLE(disabled-builtins, --enable-disabled-builtins allow disabled builtins to still be invoked, opt_disabled_builtins=$enableval)
AC_ARG_ENABLE(dparen-arithmetic, [--enable-dparen-arithmetic include ((...)) command], opt_dparen_arith=$enableval)
AC_ARG_ENABLE(extended-glob, --enable-extended-glob include ksh-style extended pattern matching, opt_extended_glob=$enableval)
AC_ARG_ENABLE(help-builtin, --enable-help-builtin include the help builtin, opt_help=$enableval)
AC_ARG_ENABLE(history, --enable-history turn on command history, opt_history=$enableval)
AC_ARG_ENABLE(job-control, --enable-job-control enable job control features, opt_job_control=$enableval)
AC_ARG_ENABLE(process-substitution, --enable-process-substitution enable process substitution, opt_process_subst=$enableval)
AC_ARG_ENABLE(prompt-string-decoding, --enable-prompt-string-decoding turn on escape character decoding in prompts, opt_prompt_decoding=$enableval)
AC_ARG_ENABLE(readline, --enable-readline turn on command line editing, opt_readline=$enableval)
AC_ARG_ENABLE(restricted, --enable-restricted enable a restricted shell, opt_restricted=$enableval)
AC_ARG_ENABLE(select, --enable-select include select command, opt_select=$enableval)
AC_ARG_ENABLE(usg-echo-default, --enable-usg-echo-default make the echo builtin expand escape sequences by default, opt_usg_echo=$enableval)
dnl options that alter how bash is compiled and linked
AC_ARG_ENABLE(profiling, --enable-profiling allow profiling with gprof, opt_profiling=$enableval)
AC_ARG_ENABLE(static-link, --enable-static-link [link bash statically, for use as a root shell], opt_static_link=$enableval)
dnl opt_job_control is handled later, after BASH_JOB_CONTROL_MISSING runs
if test $opt_alias = yes; then
AC_DEFINE(ALIAS)
fi
if test $opt_readline = yes; then
AC_DEFINE(READLINE)
READLINE_LIB=-lreadline
READLINE_DEP='$(READLINE_LIBRARY)'
else
READLINE_LIB= READLINE_DEP=
fi
if test $opt_history = yes; then
AC_DEFINE(HISTORY)
HISTORY_LIB=-lhistory
HISTORY_DEP='$(HISTORY_LIBRARY)'
else
HISTORY_LIB= HISTORY_DEP=
fi
if test $opt_bang_history = yes; then
AC_DEFINE(BANG_HISTORY)
HISTORY_LIB=-lhistory
HISTORY_DEP='$(HISTORY_LIBRARY)'
else
HISTORY_LIB= HISTORY_DEP=
fi
if test $opt_dirstack = yes; then
AC_DEFINE(PUSHD_AND_POPD)
fi
if test $opt_restricted = yes; then
AC_DEFINE(RESTRICTED_SHELL)
fi
if test $opt_process_subst = yes; then
AC_DEFINE(PROCESS_SUBSTITUTION)
fi
if test $opt_prompt_decoding = yes; then
AC_DEFINE(PROMPT_STRING_DECODE)
fi
if test $opt_select = yes; then
AC_DEFINE(SELECT_COMMAND)
fi
if test $opt_help = yes; then
AC_DEFINE(HELP_BUILTIN)
fi
if test $opt_array_variables = yes; then
AC_DEFINE(ARRAY_VARS)
fi
if test $opt_dparen_arith = yes; then
AC_DEFINE(DPAREN_ARITHMETIC)
fi
if test $opt_brace_expansion = yes; then
AC_DEFINE(BRACE_EXPANSION)
fi
if test $opt_disabled_builtins = yes; then
AC_DEFINE(DISABLED_BUILTINS)
fi
if test $opt_command_timing = yes; then
AC_DEFINE(COMMAND_TIMING)
fi
if test $opt_usg_echo = yes ; then
AC_DEFINE(DEFAULT_ECHO_TO_USG)
fi
if test $opt_extended_glob = yes ; then
AC_DEFINE(EXTENDED_GLOB)
fi
if test $opt_cond_command = yes ; then
AC_DEFINE(COND_COMMAND)
fi
if test "$opt_minimal_config" = yes; then
TESTSCRIPT=run-minimal
else
TESTSCRIPT=run-all
fi
dnl now substitute in the values generated by arguments
AC_SUBST(TESTSCRIPT)
AC_SUBST(PURIFY)
AC_SUBST(MALLOC_TARGET)
AC_SUBST(MALLOC_SRC)
AC_SUBST(READLINE_LIB)
AC_SUBST(READLINE_DEP)
AC_SUBST(HISTORY_LIB)
AC_SUBST(HISTORY_DEP)
dnl Use GNU m4 macros to get the distribution and patchlevel information
dnl into configure without requiring the files to be distributed
[BASHVERS=]dnl
esyscmd(cat _distribution)dnl
[BASHPATCH=]dnl
esyscmd(cat _patchlevel)dnl
echo "Beginning configuration for bash-$BASHVERS for ${host_cpu}-${host_vendor}-${host_os}"
dnl compilation checks
dnl AC_PROG_CC sets $cross_compiling to `yes' if cross-compiling for a
dnl different environment
AC_PROG_CC
BASH_LARGE_FILE_SUPPORT
AC_ISC_POSIX
AC_MINIX
dnl BEGIN changes for CYGNUS cross-building for cygwin32
dnl load up the cross-building cache file -- add more cases and cache
dnl files as necessary
if test "x$cross_compiling" = "xyes"; then
case "${host}" in
*-cygwin32*)
cross_cache=${srcdir}/cross-build/cygwin32.cache
if test -r "${cross_cache}"; then
echo "loading cross-build cache file ${cross_cache}"
. ${cross_cache}
fi
unset cross_cache
;;
*) echo "configure: cross-compiling for a non-cygwin32 target is not supported" >&2
;;
esac
fi
if test -z "$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 Set SIGNAMES_H based on whether or not we're cross-compiling
if test "x$cross_compiling" = "xno"; then
SIGNAMES_H=lsignames.h
else
SIGNAMES_H='$(srcdir)/cross-build/win32sig.h'
fi
AC_SUBST(SIGNAMES_H)
dnl END changes for CYGNUS cross-building for cygwin32
dnl We want these before the checks, so the checks can modify their values.
test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
dnl If we're using gcc and the user hasn't specified CFLAGS, add -O2 to CFLAGS.
test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O2"
dnl handle options that alter how bash is compiled and linked
dnl these must come after the test for cc/gcc
if test "$opt_profiling" = "yes"; then
PROFILE_FLAGS=-pg
opt_static_link=yes
fi
if test "$opt_static_link" = yes; then
# if we're using gcc, add `-static' to LDFLAGS
if test -n "$GCC" || test "$ac_cv_prog_gcc" = "yes"; then
LDFLAGS="$LDFLAGS -static"
fi
fi
AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LDFLAGS)
AC_PROG_GCC_TRADITIONAL
dnl programs needed by the build and install process
AC_PROG_INSTALL
AC_CHECK_PROG(AR, ar, ar)
AC_PROG_RANLIB
AC_PROG_YACC
AC_PROG_MAKE_SET
dnl special checks for libc functions
AC_FUNC_ALLOCA
AC_FUNC_GETPGRP
AC_FUNC_SETVBUF_REVERSED
AC_FUNC_VPRINTF
AC_FUNC_WAIT3
AC_FUNC_STRCOLL
dnl if vprintf is not in libc, see if it's defined in stdio.h
if test "$ac_cv_func_vprintf" = no; then
AC_MSG_CHECKING(for declaration of vprintf in stdio.h)
AC_EGREP_HEADER([[int[ ]*vprintf[^a-zA-Z0-9]]],stdio.h,ac_cv_func_vprintf=yes)
AC_MSG_RESULT($ac_cv_func_vprintf)
if test $ac_cv_func_vprintf = yes; then
AC_DEFINE(HAVE_VPRINTF)
fi
fi
dnl signal stuff
AC_RETSIGTYPE
dnl checks for certain version-specific system calls and libc functions
AC_CHECK_FUNC(__setostype, AC_DEFINE(HAVE_SETOSTYPE))
AC_CHECK_FUNC(wait3, AC_DEFINE(HAVE_WAIT3))
dnl checks for missing libc functions
AC_CHECK_FUNC(mkfifo,AC_DEFINE(HAVE_MKFIFO),AC_DEFINE(MKFIFO_MISSING))
dnl checks for system calls
AC_CHECK_FUNCS(dup2 select getdtablesize getgroups gethostname \
setdtablesize getpagesize killpg lstat getpeername \
getrlimit getrusage gettimeofday waitpid tcgetpgrp)
dnl checks for c library functions
AC_CHECK_FUNCS(bcopy bzero confstr getcwd strcasecmp setenv putenv \
setlinebuf setlocale strchr strerror strtod strtol \
strtoul tcgetattr uname sysconf ulimit times tzset \
siginterrupt memmove)
dnl checks for locale functions
AC_CHECK_HEADERS(libintl.h)
AC_CHECK_FUNCS(gettext textdomain bindtextdomain)
dnl check for GNU libintl if gettext/textdomain/bindtextdomain
dnl are not found in libc
if test "$ac_cv_func_bindtextdomain" = "no"; then
AC_CHECK_LIB(intl,bindtextdomain)
if test "$ac_cv_lib_intl" = "yes"; then
AC_CHECK_FUNCS(gettext textdomain bindtextdomain)
fi
fi
dnl checks for the dynamic loading library functions in libc and libdl
if test "$opt_static_link" != yes; then
AC_CHECK_LIB(dl, dlopen)
AC_CHECK_FUNCS(dlopen dlclose dlsym)
fi
dnl this defines SYS_SIGLIST_DECLARED
AC_DECL_SYS_SIGLIST
dnl header files
AC_HEADER_DIRENT
AC_HEADER_TIME
AC_CHECK_HEADERS(unistd.h stdlib.h stdarg.h varargs.h limits.h string.h \
memory.h locale.h termcap.h termio.h termios.h dlfcn.h \
stddef.h)
AC_CHECK_HEADERS(sys/ptem.h sys/pte.h sys/stream.h sys/select.h sys/file.h \
sys/resource.h sys/param.h sys/socket.h \
sys/time.h sys/times.h sys/wait.h)
dnl libraries
dnl this is reportedly no longer necessary for irix[56].?
dnl AC_CHECK_LIB(sun, getpwent)
dnl check for getpeername in the socket library only if it's not in libc
if test "$ac_cv_func_getpeername" = no; then
BASH_CHECK_SOCKLIB
fi
dnl system types
AC_TYPE_GETGROUPS
AC_TYPE_OFF_T
AC_TYPE_MODE_T
AC_TYPE_UID_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_CHECK_TYPE(time_t, long)
AC_TYPE_SIGNAL
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(char *)
AC_CHECK_TYPE(int32_t)
if test "$ac_cv_type_int32_t" = "no"; then
BASH_TYPE_INT32_T
fi
AC_CHECK_TYPE(u_int32_t)
if test "$ac_cv_type_u_int32_t" = "no"; then
BASH_TYPE_U_INT32_T
fi
AC_CHECK_TYPE(ptrdiff_t)
if test "$ac_cv_type_ptrdiff_t" = "no"; then
BASH_TYPE_PTRDIFF_T
fi
dnl structures
AC_HEADER_STAT
AC_HEADER_EGREP(struct timeval, sys/time.h, bash_cv_struct_timeval=yes, )
if test -z "$bash_cv_struct_timeval"; then
AC_HEADER_EGREP(struct timeval, time.h, bash_cv_struct_timeval=yes, bash_cv_struct_timeval=no)
fi
if test $bash_cv_struct_timeval = yes; then
AC_DEFINE(HAVE_TIMEVAL)
fi
dnl C compiler characteristics
AC_C_BIGENDIAN
dnl system services
AC_SYS_INTERPRETER
if test $ac_cv_sys_interpreter = yes; then
AC_DEFINE(HAVE_HASH_BANG_EXEC)
fi
dnl we use NO_READ_RESTART_ON_SIGNAL
AC_SYS_RESTARTABLE_SYSCALLS
dnl Miscellaneous Bash tests
if test "$ac_cv_func_lstat" = "no"; then
BASH_FUNC_LSTAT
fi
dnl behavior of system calls and library functions
BASH_DUP2_CLOEXEC_CHECK
BASH_PGRP_SYNC
BASH_SIGNAL_CHECK
if test "$ac_cv_sys_restartable_syscalls" = "no"; then
BASH_SYS_RESTARTABLE_SYSCALLS
fi
dnl checking for the presence of certain library symbols
BASH_SYS_ERRLIST
BASH_SYS_SIGLIST
BASH_UNDER_SYS_SIGLIST
dnl various system types
BASH_TYPE_SIGHANDLER
BASH_CHECK_TYPE(clock_t, [#include <sys/times.h>], long)
BASH_CHECK_TYPE(sigset_t, [#include <signal.h>], int)
BASH_CHECK_TYPE(quad_t, , long, HAVE_QUAD_T)
BASH_RLIMIT_TYPE
dnl presence and contents of structures used by system calls
BASH_STRUCT_TERMIOS_LDISC
BASH_STRUCT_TERMIO_LDISC
BASH_STRUCT_DIRENT_D_INO
BASH_STRUCT_DIRENT_D_FILENO
BASH_STRUCT_WINSIZE
dnl presence and behavior of C library functions
BASH_FUNC_STRSIGNAL
BASH_FUNC_OPENDIR_CHECK
BASH_FUNC_PRINTF
BASH_FUNC_ULIMIT_MAXFDS
BASH_FUNC_GETENV
BASH_FUNC_GETCWD
BASH_FUNC_SBRK_DECLARED
BASH_FUNC_POSIX_SETJMP
BASH_FUNC_STRCOLL
dnl presence and behavior of OS functions
BASH_REINSTALL_SIGHANDLERS
BASH_JOB_CONTROL_MISSING
BASH_SYS_NAMED_PIPES
dnl presence of certain CPP defines
BASH_HAVE_TIOCGWINSZ
BASH_HAVE_TIOCSTAT
BASH_HAVE_FIONREAD
dnl miscellaneous
BASH_MISC_SPEED_T
BASH_CHECK_GETPW_FUNCS
dnl special checks
case "$host_os" in
hpux*) BASH_KERNEL_RLIMIT_CHECK ;;
esac
if test "$opt_readline" = yes; then
dnl yuck
case "$host_os" in
aix*) prefer_curses=yes ;;
esac
BASH_CHECK_LIB_TERMCAP
fi
AC_SUBST(TERMCAP_LIB)
AC_SUBST(TERMCAP_DEP)
BASH_CHECK_DEV_FD
BASH_DEFAULT_MAIL_DIR
if test "$bash_cv_job_control_missing" = missing; then
opt_job_control=no
fi
if test "$opt_job_control" = yes; then
AC_DEFINE(JOB_CONTROL)
JOBS_O=jobs.o
else
JOBS_O=nojobs.o
fi
AC_SUBST(JOBS_O)
dnl Defines that we want to propagate to the Makefiles in subdirectories,
dnl like glob and readline
LOCAL_DEFS=-DSHELL
dnl use this section to possibly define more cpp variables, specify local
dnl libraries, and specify any additional local cc flags
dnl
dnl this should really go away someday
case "$host_os" in
sysv4.2*) AC_DEFINE(SVR4_2)
AC_DEFINE(SVR4) ;;
sysv4*) AC_DEFINE(SVR4) ;;
hpux*) LOCAL_CFLAGS=-DHPUX ;;
dgux*) LOCAL_CFLAGS=-D_DGUX_SOURCE; LOCAL_LIBS=-ldgc ;;
isc*) LOCAL_CFLAGS=-Disc386;;
sco3.2v5*) LOCAL_CFLAGS="-DWAITPID_BROKEN -DNO_MEMSCRAMBLE -DPATH_MAX=1024" ;;
sco3.2v4*) LOCAL_CFLAGS="-DMUST_UNBLOCK_CHLD -DNO_MEMSCRAMBLE -DPATH_MAX=1024" ;;
sco3.2*) LOCAL_CFLAGS=-DMUST_UNBLOCK_CHLD ;;
sunos4*) LOCAL_CFLAGS=-DSunOS4 ;;
solaris2.5*) LOCAL_CFLAGS=-DSunOS5 ;;
linux*) LOCAL_LDFLAGS=-rdynamic ;; # allow dynamic loading
aix4.2*) LOCAL_LDFLAGS="-bexpall -brtl" ;;# allow dynamic loading
*qnx*) LOCAL_CFLAGS="-Dqnx -F -3s" LOCAL_LDFLAGS="-3s -lunix -lncurses" ;;
powerux) LOCAL_LIBS="-lgen" ;;
cygwin32*) LOCAL_LIBS="-luser32" ;;
esac
case "$host_cpu" in
*cray*) LOCAL_CFLAGS="-DCRAY" ;; # shell var so config.h can use it
esac
case "$host_cpu-$host_os" in
ibmrt-*bsd4*) LOCAL_CFLAGS="-ma -U__STDC__" ;;
esac
case "$host_cpu-$host_vendor-$host_os" in
m88k-motorola-sysv3) LOCAL_CFLAGS=-DWAITPID_BROKEN ;;
mips-pyramid-sysv4) LOCAL_CFLAGS=-Xa ;;
esac
# try to create a directory tree if the source is elsewhere
# this should be packaged into a script accessible via ${srcdir}/support
case "$srcdir" in
.) ;;
*) for d in doc tests support lib examples; do # dirs
test -d $d || mkdir $d
done
for ld in readline glob tilde malloc sh termcap; do # libdirs
test -d lib/$ld || mkdir lib/$ld
done
test -d examples/loadables || mkdir examples/loadables # loadable builtins
;;
esac
BUILD_DIR=`pwd`
AC_SUBST(PROFILE_FLAGS)
AC_SUBST(incdir)
AC_SUBST(BUILD_DIR)
AC_SUBST(YACC)
AC_SUBST(AR)
AC_SUBST(BASHVERS)
AC_SUBST(BASHPATCH)
AC_SUBST(host_cpu)
AC_SUBST(host_os)
AC_SUBST(LOCAL_LIBS)
AC_SUBST(LOCAL_CFLAGS)
AC_SUBST(LOCAL_LDFLAGS)
AC_SUBST(LOCAL_DEFS)
#AC_SUBST(ALLOCA_SOURCE)
#AC_SUBST(ALLOCA_OBJECT)
AC_OUTPUT([Makefile builtins/Makefile lib/readline/Makefile lib/glob/Makefile \
lib/malloc/Makefile lib/sh/Makefile lib/termcap/Makefile \
lib/tilde/Makefile doc/Makefile support/Makefile \
examples/loadables/Makefile],
[
# Makefile uses this timestamp file to record whether config.h is up to date.
echo timestamp > stamp-h
])