/
configure.ac
2475 lines (2296 loc) · 74.6 KB
/
configure.ac
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dnl
dnl configure.ac: Configure template for zsh.
dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright (c) 1995-1997 Richard Coleman
dnl All rights reserved.
dnl
dnl Permission is hereby granted, without written agreement and without
dnl license or royalty fees, to use, copy, modify, and distribute this
dnl software and to distribute modified versions of this software for any
dnl purpose, provided that the above copyright notice and the following
dnl two paragraphs appear in all copies of this software.
dnl
dnl In no event shall Richard Coleman or the Zsh Development Group be liable
dnl to any party for direct, indirect, special, incidental, or consequential
dnl damages arising out of the use of this software and its documentation,
dnl even if Richard Coleman and the Zsh Development Group have been advised of
dnl the possibility of such damage.
dnl
dnl Richard Coleman and the Zsh Development Group specifically disclaim any
dnl warranties, including, but not limited to, the implied warranties of
dnl merchantability and fitness for a particular purpose. The software
dnl provided hereunder is on an "as is" basis, and Richard Coleman and the
dnl Zsh Development Group have no obligation to provide maintenance,
dnl support, updates, enhancements, or modifications.
dnl
AC_INIT(Src/zsh.h)
AC_PREREQ(2.50)
AC_CONFIG_HEADER(config.h)
dnl What version of zsh are we building ?
. ${srcdir}/Config/version.mk
echo "configuring for zsh $VERSION"
dnl ----------------------------------------------
dnl CHECK FOR MACHINE/VENDOR/OPERATING SYSTEM TYPE
dnl ----------------------------------------------
dnl Find out machine type, vendor, and operating system
dnl What type of host is this?
AC_CANONICAL_HOST
AC_DEFINE_UNQUOTED(MACHTYPE, "$host_cpu",
[Define to be the machine type (microprocessor class or machine model).])
AC_DEFINE_UNQUOTED(VENDOR, "$host_vendor",
[Define to be a string corresponding the vendor of the machine.])
AC_DEFINE_UNQUOTED(OSTYPE, "$host_os",
[Define to be the name of the operating system.])
dnl -----------------------------
dnl CHECKING COMMAND LINE OPTIONS
dnl -----------------------------
dnl Handle --program-prefix, --program-suffix, etc.
zsh_ARG_PROGRAM
dnl Handle setting of compile flags (CPPFLAGS, CFLAGS, LDFLAGS, LIBS).
zsh_COMPILE_FLAGS($CPPFLAGS, $CFLAGS, $LDFLAGS, $LIBS)
dnl Do you want to debug zsh?
ifdef([zsh-debug],[undefine([zsh-debug])])dnl
AH_TEMPLATE([DEBUG],
[Define to 1 if you want to debug zsh.])
AC_ARG_ENABLE(zsh-debug,
[ --enable-zsh-debug compile with debug code and debugger symbols],
[if test x$enableval = xyes; then
AC_DEFINE(DEBUG)
fi])
dnl Do you want zsh memory allocation routines.
ifdef([zsh-mem],[undefine([zsh-mem])])dnl
AH_TEMPLATE([ZSH_MEM],
[Define to 1 if you want to use zsh's own memory allocation routines])
AC_ARG_ENABLE(zsh-mem,
[ --enable-zsh-mem compile with zsh memory allocation routines],
[if test x$enableval = xyes; then
AC_DEFINE(ZSH_MEM)
fi])
dnl Do you want to debug zsh memory allocation routines.
ifdef([zsh-mem-debug],[undefine([zsh-mem-debug])])dnl
AH_TEMPLATE([ZSH_MEM_DEBUG],
[Define to 1 if you want to debug zsh memory allocation routines.])
AC_ARG_ENABLE(zsh-mem-debug,
[ --enable-zsh-mem-debug debug zsh memory allocation routines],
[if test x$enableval = xyes; then
AC_DEFINE(ZSH_MEM_DEBUG)
fi])
dnl Do you want to print warnings when errors in memory allocation.
AH_TEMPLATE([ZSH_MEM_WARNING],
[Define to 1 if you want to turn on warnings of memory allocation errors])
ifdef([zsh-mem-warning],[undefine([zsh-mem-warning])])dnl
AC_ARG_ENABLE(zsh-mem-warning,
[ --enable-zsh-mem-warning print warnings for errors in memory allocation],
[if test x$enableval = xyes; then
AC_DEFINE(ZSH_MEM_WARNING)
fi])
dnl Do you want to turn on error checking for free().
ifdef([zsh-secure-free],[undefine([zsh-secure-free])])dnl
AH_TEMPLATE([ZSH_SECURE_FREE],
[Define to 1 if you want to turn on memory checking for free().])
AC_ARG_ENABLE(zsh-secure-free,
[ --enable-zsh-secure-free turn on error checking for free()],
[if test x$enableval = xyes; then
AC_DEFINE(ZSH_SECURE_FREE)
fi])
dnl Do you want debugging information on internal hash tables.
dnl This turns on the `hashinfo' builtin command.
ifdef([zsh-hash-debug],[undefine([zsh-hash-debug])])dnl
AH_TEMPLATE([ZSH_HASH_DEBUG],
[Define to 1 if you want to get debugging information on internal
hash tables. This turns on the `hashinfo' builtin.])
AC_ARG_ENABLE(zsh-hash-debug,
[ --enable-zsh-hash-debug turn on debugging of internal hash tables],
[if test x$enableval = xyes; then
AC_DEFINE(ZSH_HASH_DEBUG)
fi])
dnl Pathnames for global zsh scripts
ifdef([etcdir],[undefine([etcdir])])dnl
AC_ARG_ENABLE(etcdir,
[ --enable-etcdir=DIR the default directory for global zsh scripts],
[etcdir="$enableval"], [etcdir=/etc])
ifdef([zshenv],[undefine([zshenv])])dnl
AC_ARG_ENABLE(zshenv,
[ --enable-zshenv=FILE the full pathname of the global zshenv script],
[zshenv="$enableval"],
[if test "x$etcdir" = xno; then
zshenv=no
else
zshenv="$etcdir/zshenv"
fi])
AH_TEMPLATE([GLOBAL_ZSHENV],
[The global file to source absolutely first whenever zsh is run;
if undefined, don't source anything.])
if test "x$zshenv" != xno; then
AC_DEFINE_UNQUOTED(GLOBAL_ZSHENV, "$zshenv")
fi
ifdef([zshrc],[undefine([zshrc])])dnl
AC_ARG_ENABLE(zshrc,
[ --enable-zshrc=FILE the full pathname of the global zshrc script],
[zshrc="$enableval"],
[if test "x$etcdir" = xno; then
zshrc=no
else
zshrc="$etcdir/zshrc"
fi])
AH_TEMPLATE([GLOBAL_ZSHRC],
[The global file to source whenever zsh is run;
if undefined, don't source anything])
if test "x$zshrc" != xno; then
AC_DEFINE_UNQUOTED(GLOBAL_ZSHRC, "$zshrc")
fi
ifdef([zprofile],[undefine([zprofile])])dnl
AC_ARG_ENABLE(zprofile,
[ --enable-zprofile=FILE the full pathname of the global zprofile script],
[zprofile="$enableval"],
[if test "x$etcdir" = xno; then
zprofile=no
else
zprofile="$etcdir/zprofile"
fi])
AH_TEMPLATE([GLOBAL_ZPROFILE],
[The global file to source whenever zsh is run as a login shell,
before zshrc is read; if undefined, don't source anything.])
if test "x$zprofile" != xno; then
AC_DEFINE_UNQUOTED(GLOBAL_ZPROFILE, "$zprofile")
fi
ifdef([zlogin],[undefine([zlogin])])dnl
AC_ARG_ENABLE(zlogin,
[ --enable-zlogin=FILE the full pathname of the global zlogin script],
[zlogin="$enableval"],
[if test "x$etcdir" = xno; then
zlogin=no
else
zlogin="$etcdir/zlogin"
fi])
AH_TEMPLATE([GLOBAL_ZLOGIN],
[The global file to source whenever zsh is run as a login shell;
if undefined, don't source anything])
if test "x$zlogin" != xno; then
AC_DEFINE_UNQUOTED(GLOBAL_ZLOGIN, "$zlogin")
fi
ifdef([zlogout],[undefine([zlogout])])dnl
AC_ARG_ENABLE(zlogout,
[ --enable-zlogout=FILE the full pathname of the global zlogout script],
[zlogout="$enableval"],
[if test "x$etcdir" = xno; then
zlogout=no
else
zlogout="$etcdir/zlogout"
fi])
AH_TEMPLATE([GLOBAL_ZLOGOUT],
[The global file to source whenever zsh was run as a login shell.
This is sourced right before exiting. If undefined, don't source
anything.])
if test "x$zlogout" != xno; then
AC_DEFINE_UNQUOTED(GLOBAL_ZLOGOUT, "$zlogout")
fi
AC_SUBST(zshenv)dnl
AC_SUBST(zshrc)dnl
AC_SUBST(zprofile)dnl
AC_SUBST(zlogin)dnl
AC_SUBST(zlogout)dnl
dnl Do you want large file support, if available?
ifdef([lfs],[undefine([lfs])])dnl
AC_ARG_ENABLE(lfs,
[ --disable-lfs turn off support for large files],
[lfs="$enableval"], [lfs=yes])
dnl Do you want dynamically loaded binary modules.
ifdef([dynamic],[undefine([dynamic])])dnl
AC_ARG_ENABLE(dynamic,
[ --disable-dynamic turn off dynamically loaded binary modules],
[dynamic="$enableval"], [dynamic=yes])
dnl Do you want to disable restricted on r* commands
ifdef([restricted-r],[undefine([restricted-r])])dnl
AH_TEMPLATE([RESTRICTED_R],
[Undefine this if you don't want to get a restricted shell
when zsh is exec'd with basename that starts with r.
By default this is defined.])
AC_ARG_ENABLE(restricted-r,
[ --disable-restricted-r turn off r* invocation for restricted shell],
[if test x$enableval = xyes; then
AC_DEFINE(RESTRICTED_R)
fi],
AC_DEFINE(RESTRICTED_R)
)
dnl Do you want to disable use of locale functions
AH_TEMPLATE([CONFIG_LOCALE],
[Undefine if you don't want local features. By default this is defined.])
AC_ARG_ENABLE([locale],
[ --disable-locale turn off locale features],
[if test x$enableval = xyes; then
AC_DEFINE(CONFIG_LOCALE)
fi],
AC_DEFINE(CONFIG_LOCALE)
)
dnl Do you want to compile as K&R C.
AC_ARG_ENABLE(ansi2knr,
[ --enable-ansi2knr translate source to K&R C before compiling],
[ansi2knr="$enableval"], [ansi2knr=default])
ifdef([fndir],[undefine([fndir])])dnl
AC_ARG_ENABLE(fndir,
[ --enable-fndir=DIR the directory in which to install functions],
dnl ${VERSION} to be determined at compile time.
[if test $enableval = yes; then
fndir=${datadir}/${tzsh_name}/'${VERSION}'/functions
else
fndir="$enableval"
fi], [fndir=${datadir}/${tzsh_name}/'${VERSION}'/functions])
ifdef([sitefndir],[undefine([sitefndir])])dnl
AC_ARG_ENABLE(site-fndir,
[ --enable-site-fndir=DIR same for site functions (not version specific)],
[if test $enableval = yes; then
sitefndir=${datadir}/${tzsh_name}/site-functions
else
sitefndir="$enableval"
fi], [sitefndir=${datadir}/${tzsh_name}/site-functions])
ifdef([function_subdirs],[undefine([function_subdirs])])
AC_ARG_ENABLE(function-subdirs,
[ --enable-function-subdirs install functions in subdirectories])
if test "x${enable_function_subdirs}" != x &&
test "x${enable_function_subdirs}" != xno; then
FUNCTIONS_SUBDIRS=yes
else
FUNCTIONS_SUBDIRS=no
fi
AC_SUBST(fndir)dnl
AC_SUBST(sitefndir)dnl
AC_SUBST(FUNCTIONS_SUBDIRS)dnl
dnl Do you want maildir support?
ifdef([maildir_support],[undefine([maildir_support])])dnl
AH_TEMPLATE([MAILDIR_SUPPORT],
[Define for Maildir support])
AC_ARG_ENABLE(maildir-support,
[ --enable-maildir-support enable maildir support in MAIL and MAILPATH],
[if test x$enableval = xyes; then
AC_DEFINE(MAILDIR_SUPPORT)
fi])
dnl Do you want to set a maximum function depth?
ifdef([max_function_depth],[undefine([max_function_depth])])dnl
AH_TEMPLATE([MAX_FUNCTION_DEPTH],
[Define for function depth limits])
AC_ARG_ENABLE(max-function-depth,
[ --enable-max-function-depth=MAX limit function depth to MAX, default 4096],
[if test x$enableval = xyes; then
AC_DEFINE(MAX_FUNCTION_DEPTH, 4096)
elif test x$enableval != xno; then
AC_DEFINE_UNQUOTED(MAX_FUNCTION_DEPTH, $enableval)
fi],
[AC_DEFINE(MAX_FUNCTION_DEPTH, 4096)]
)
dnl Do you want to look for pcre support?
AC_ARG_ENABLE(pcre,
AC_HELP_STRING([--enable-pcre],
[enable the search for the pcre library (may create run-time library dependencies)]))
dnl Do you want to look for capability support?
AC_ARG_ENABLE(cap,
AC_HELP_STRING([--enable-cap],
[enable the search for POSIX capabilities (may require additional headers to be added by hand)]))
dnl ------------------
dnl CHECK THE COMPILER
dnl ------------------
dnl We want these before the checks, so the checks can modify their values.
test -z "${CFLAGS+set}" && CFLAGS= auto_cflags=1
test -z "${LDFLAGS+set}" && LDFLAGS= auto_ldflags=1
AC_PROG_CC
dnl Check for large file support.
dnl This needs to be done early to get the stuff into the flags.
if test $lfs != no; then
dnl Gross hack for ReliantUNIX - GCC does not understand getconf options
dnl For now just disable LFS in this case
dnl Any takers?
if test "$host" = mips-sni-sysv4 && test -n "$GCC"; then
:
else
zsh_LARGE_FILE_SUPPORT
fi
fi
dnl if the user hasn't specified CFLAGS, then
dnl if compiler is gcc, then use -O2 and some warning flags
dnl else use -O
if test -n "$auto_cflags" && test ."$ansi2knr" != .yes; then
if test "${enable_zsh_debug}" = yes; then
if test -n "$GCC"; then
CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -ggdb"
else
CFLAGS="$CFLAGS -g"
fi
else
if test -n "$GCC"; then
CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -O2"
else
CFLAGS="$CFLAGS -O"
fi
fi
fi
if test -n "$auto_ldflags"; then
case "${enable_zsh_debug}$host_os" in
yesaix*|yeshpux*|yesnetbsd*|yesopenbsd*) ;; # "ld -g" is not valid on these systems
darwin*) LDFLAGS=-Wl,-x ;;
yes*) LDFLAGS=-g ;;
*) LDFLAGS=-s ;;
esac
fi
dnl ----------
dnl SCO KLUDGE
dnl ----------
dnl Sco doesn't define any useful compiler symbol,
dnl so we will check for sco and define __sco if
dnl found.
case "$host_os" in
sco*) CFLAGS="-D__sco $CFLAGS" ;;
esac
sed=':1
s/ -s / /g
t1
s/^ *//
s/ *$//'
case " $LDFLAGS " in
*" -s "*) strip_exeldflags=true strip_libldflags=true
LDFLAGS=`echo " $LDFLAGS " | sed "$sed"` ;;
*) strip_exeldflags=false strip_libldflags=false ;;
esac
case " ${EXELDFLAGS+$EXELDFLAGS }" in
" ") ;;
*" -s "*) strip_exeldflags=true
EXELDFLAGS=`echo " $EXELDFLAGS " | sed "$sed"` ;;
*) strip_exeldflags=false ;;
esac
case " ${LIBLDFLAGS+$LIBLDFLAGS }" in
" ") ;;
*" -s "*) strip_libldflags=true
LIBLDFLAGS=`echo " $LIBLDFLAGS " | sed "$sed"` ;;
*) strip_libldflags=false ;;
esac
AC_SUBST(CFLAGS)dnl
AC_SUBST(LDFLAGS)dnl
AC_SUBST(EXELDFLAGS)dnl
AC_SUBST(LIBLDFLAGS)dnl
AC_PROG_CPP dnl Figure out how to run C preprocessor.
AC_PROG_GCC_TRADITIONAL dnl Do we need -traditional flag for gcc.
AC_C_CONST dnl Does compiler support `const'.
dnl Default preprocessing on Mac OS X produces warnings
case "$host_os" in
darwin*) CPP="$CPP -traditional-cpp" ;;
esac
fp_PROG_CC_STDC
AC_MSG_CHECKING([whether to use prototypes])
if test ."$ansi2knr" = .yes || test ."$ansi2knr" = .no; then
msg="(overridden) "
else
msg=
if test ."$fp_cv_prog_cc_stdc" = .no; then
ansi2knr=yes
else
ansi2knr=no
fi
fi
AH_TEMPLATE([PROTOTYPES],
[Define to 1 if ANSI function prototypes are usable.])
if test "$ansi2knr" = yes; then
AC_MSG_RESULT(${msg}no)
U=_
else
AC_MSG_RESULT(${msg}yes)
AC_DEFINE(PROTOTYPES)
U=
fi
AC_SUBST(U)
AC_FUNC_ALLOCA dnl Check how to get `alloca'.
dnl If the compiler supports union initialisation
AC_CACHE_CHECK(if the compiler supports union initialisation,
zsh_cv_c_have_union_init,
[AC_TRY_COMPILE([union{void *p;long l;}u={0};], [u.l=1;],
zsh_cv_c_have_union_init=yes,
zsh_cv_c_have_union_init=no)])
AH_TEMPLATE([HAVE_UNION_INIT],
[Define to 1 if the compiler can initialise a union.])
if test $zsh_cv_c_have_union_init = yes; then
AC_DEFINE(HAVE_UNION_INIT)
fi
dnl Checking if compiler correctly cast signed to unsigned.
AC_CACHE_CHECK(if signed to unsigned casting is broken,
zsh_cv_c_broken_signed_to_unsigned_casting,
[AC_TRY_RUN([main(){return((int)(unsigned char)((char) -1) == 255);}],
zsh_cv_c_broken_signed_to_unsigned_casting=yes,
zsh_cv_c_broken_signed_to_unsigned_casting=no,
zsh_cv_c_broken_signed_to_unsigned_casting=no)])
AH_TEMPLATE([BROKEN_SIGNED_TO_UNSIGNED_CASTING],
[Define to 1 if compiler incorrectly cast signed to unsigned.])
if test $zsh_cv_c_broken_signed_to_unsigned_casting = yes; then
AC_DEFINE(BROKEN_SIGNED_TO_UNSIGNED_CASTING)
fi
dnl Checking if the compiler supports variable-length arrays
AC_CACHE_CHECK(if the compiler supports variable-length arrays,
zsh_cv_c_variable_length_arrays,
[AC_TRY_COMPILE([int foo(), n;], [int i[foo()], a[n+1];],
zsh_cv_c_variable_length_arrays=yes,
zsh_cv_c_variable_length_arrays=no)])
AH_TEMPLATE([HAVE_VARIABLE_LENGTH_ARRAYS],
[Define to 1 if compiler supports variable-length arrays])
if test $zsh_cv_c_variable_length_arrays = yes; then
AC_DEFINE(HAVE_VARIABLE_LENGTH_ARRAYS)
fi
dnl ------------------
dnl CHECK FOR PROGRAMS
dnl ------------------
AC_PROG_MAKE_SET dnl Does make define $MAKE
AC_PROG_INSTALL dnl Check for BSD compatible `install'
AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk.
AC_PROG_LN dnl Check for working ln, for "make install"
AC_CHECK_PROGS([YODL], [yodl], [: yodl])
AC_CHECK_PROGS([ANSI2KNR], [ansi2knr], [: ansi2knr])
if test x"$ansi2knr" = xyes && test x"$ANSI2KNR" = x": ansi2knr"; then
echo "----------"
echo "configure fatal error:"
echo "ansi2knr was specified (--enable-ansi2knr) but the program could not be found."
echo "Either remove the configure option if it is not required or build the ansi2knr"
echo "program before reconfiguring Zsh. The source code for ansi2knr is also"
echo "available in the GPL directory on Zsh distribution sites."
exit 1
fi
dnl ------------------
dnl CHECK HEADER FILES
dnl ------------------
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_TIME
AC_HEADER_STAT
AC_HEADER_SYS_WAIT
oldcflags="$CFLAGS"
if test x$enable_pcre = xyes; then
AC_CHECK_PROG([PCRECONF], pcre-config, pcre-config)
dnl Typically (meaning on this single RedHat 9 box in front of me)
dnl pcre-config --cflags produces a -I output which needs to go into
dnl CPPFLAGS else configure's preprocessor tests don't pick it up,
dnl producing a warning.
if test "x$ac_cv_prog_PCRECONF" = xpcre-config; then
CPPFLAGS="$CPPFLAGS `pcre-config --cflags`"
fi
fi
AC_CHECK_HEADERS(sys/time.h sys/times.h sys/select.h termcap.h termio.h \
termios.h sys/param.h sys/filio.h string.h memory.h \
limits.h fcntl.h libc.h sys/utsname.h sys/resource.h \
locale.h errno.h stdio.h stdlib.h unistd.h sys/capability.h \
utmp.h utmpx.h sys/types.h pwd.h grp.h poll.h sys/mman.h \
netinet/in_systm.h pcre.h langinfo.h wchar.h stddef.h \
sys/stropts.h)
if test $dynamic = yes; then
AC_CHECK_HEADERS(dlfcn.h)
AC_CHECK_HEADERS(dl.h)
fi
dnl Some SCO systems cannot include both sys/time.h and sys/select.h
AH_TEMPLATE([TIME_H_SELECT_H_CONFLICTS],
[Define if sys/time.h and sys/select.h cannot be both included.])
if test $ac_cv_header_sys_time_h = yes && test $ac_cv_header_sys_select_h = yes; then
AC_CACHE_CHECK(for conflicts in sys/time.h and sys/select.h,
zsh_cv_header_time_h_select_h_conflicts,
[AC_TRY_COMPILE([#include <sys/time.h>
#include <sys/select.h>], [int i;],
zsh_cv_header_time_h_select_h_conflicts=no,
zsh_cv_header_time_h_select_h_conflicts=yes)])
if test $zsh_cv_header_time_h_select_h_conflicts = yes; then
AC_DEFINE(TIME_H_SELECT_H_CONFLICTS)
fi
fi
AC_CACHE_CHECK(POSIX termios, zsh_cv_sys_posix_termios,
[AC_TRY_LINK([#include <sys/types.h>
#include <unistd.h>
#include <termios.h>],
[/* SunOS 4.0.3 has termios.h but not the library calls. */
tcgetattr(0, 0);],
zsh_cv_sys_posix_termios=yes, zsh_cv_sys_posix_termios=no)])
if test $zsh_cv_sys_posix_termios = yes; then
AC_CACHE_CHECK(TIOCGWINSZ in termios.h,
zsh_cv_header_termios_h_tiocgwinsz,
[AC_TRY_LINK([#include <sys/types.h>
#include <termios.h>],
[int x = TIOCGWINSZ;],
zsh_cv_header_termios_h_tiocgwinsz=yes,
zsh_cv_header_termios_h_tiocgwinsz=no)])
else
zsh_cv_header_termios_h_tiocgwinsz=no
fi
AH_TEMPLATE([GWINSZ_IN_SYS_IOCTL],
[Define if your system defines TIOCGWINSZ in sys/ioctl.h.])
if test $zsh_cv_header_termios_h_tiocgwinsz = no; then
AC_CACHE_CHECK(TIOCGWINSZ in sys/ioctl.h,
zsh_cv_header_sys_ioctl_h_tiocgwinsz,
[AC_TRY_LINK([#include <sys/types.h>
#include <sys/ioctl.h>],
[int x = TIOCGWINSZ;],
zsh_cv_header_sys_ioctl_h_tiocgwinsz=yes,
zsh_cv_header_sys_ioctl_h_tiocgwinsz=no)])
if test $zsh_cv_header_sys_ioctl_h_tiocgwinsz = yes; then
AC_DEFINE(GWINSZ_IN_SYS_IOCTL)
fi
fi
AH_TEMPLATE([WINSIZE_IN_PTEM],
[Define if your should include sys/stream.h and sys/ptem.h.])
AC_CACHE_CHECK(for streams headers including struct winsize,
ac_cv_winsize_in_ptem,
[AC_TRY_COMPILE([#include <sys/stream.h>
#include <sys/ptem.h>],
[struct winsize wsz],
ac_cv_winsize_in_ptem=yes,
ac_cv_winsize_in_ptem=no)])
if test $ac_cv_winsize_in_ptem = yes; then
AC_DEFINE(WINSIZE_IN_PTEM)
fi
dnl -------------------
dnl CHECK FOR LIBRARIES
dnl -------------------
dnl On some systems, modules need to be linked against libc explicitly,
dnl in case they require objects that exist only in the static version
dnl and might not be compiled into the zsh executable.
dnl On ReliantUNIX -lc better be the last library, else funny things
dnl may happen.
AC_CHECK_LIB(c, printf, [LIBS="$LIBS -lc"])
AC_CHECK_LIB(m, pow)
dnl Prefer BSD termcap library to SysV curses library, except on certain
dnl SYSV-derived systems.
dnl On HPUX, Hcurses is reported to work better than curses.
AC_ARG_WITH(curses-terminfo,
[ --with-curses-terminfo use terminfo support from curses library],
[if test x$withval = xyes; then
termcap_curses_order="tinfo curses ncurses termcap"
AC_SEARCH_LIBS(tigetstr, [$termcap_curses_order])
else
termcap_curses_order="tinfo termcap curses ncurses"
fi],
[case "$host_os" in
hpux10.*|hpux11.*|solaris*)
termcap_curses_order="Hcurses curses ncurses termcap" ;;
*) termcap_curses_order="tinfo termcap curses ncurses" ;;
esac])dnl
AH_TEMPLATE([HAVE_BOOLCODES],
[Define if you have the termcap boolcodes symbol.])
AH_TEMPLATE([HAVE_NUMCODES],
[Define if you have the termcap numcodes symbol.])
AH_TEMPLATE([HAVE_STRCODES],
[Define if you have the termcap strcodes symbol.])
AH_TEMPLATE([HAVE_BOOLNAMES],
[Define if you have the terminfo boolnames symbol.])
AH_TEMPLATE([HAVE_NUMNAMES],
[Define if you have the terminfo numnames symbol.])
AH_TEMPLATE([HAVE_STRNAMES],
[Define if you have the terminfo strnames symbol.])
AH_TEMPLATE([TERM_H_NEEDS_CURSES_H],
[Define if term.h chokes without curses.h.])
AC_SEARCH_LIBS(tgetent, [$termcap_curses_order])
AC_SEARCH_LIBS(tigetflag, [$termcap_curses_order])
AC_CHECK_HEADERS(curses.h, [],
[AC_CACHE_CHECK(for Solaris 8 curses.h mistake, ac_cv_header_curses_solaris,
AC_TRY_COMPILE([#include <curses.h>], [],
[ac_cv_header_curses_h=yes
ac_cv_header_curses_solaris=yes],
ac_cv_header_curses_h=no
ac_cv_header_curses_solaris=no))
if test x$ac_cv_header_curses_solaris = xyes; then
AC_DEFINE(HAVE_CURSES_H)
fi])
AC_CHECK_HEADERS(term.h,
[AC_MSG_CHECKING(if term.h needs curses.h)
AC_TRY_COMPILE([#include <term.h>], [char **test = boolcodes;], boolcodes_with_only_term_h=yes,
boolcodes_with_only_term_h=no)
AC_TRY_COMPILE([#include <curses.h>
#include <term.h>], [char **test = boolcodes;], boolcodes_with_curses_h_and_term_h=yes,
boolcodes_with_curses_h_and_term_h=no)
if test "x$boolcodes_with_curses_h_and_term_h" = xyes && test "x$boolcodes_with_only_term_h" = xno;
then
AC_DEFINE(TERM_H_NEEDS_CURSES_H)
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING(if boolcodes is available)
AC_TRY_LINK([#ifdef TERM_H_NEEDS_CURSES_H
#include <curses.h>
#endif
#include <term.h>], [char **test = boolcodes; printf(*test);],
AC_DEFINE(HAVE_BOOLCODES) boolcodes=yes, boolcodes=no)
AC_MSG_RESULT($boolcodes)
AC_MSG_CHECKING(if numcodes is available)
AC_TRY_LINK([#ifdef TERM_H_NEEDS_CURSES_H
#include <curses.h>
#endif
#include <term.h>], [char **test = numcodes; printf(*test);],
AC_DEFINE(HAVE_NUMCODES) numcodes=yes, numcodes=no)
AC_MSG_RESULT($numcodes)
AC_MSG_CHECKING(if strcodes is available)
AC_TRY_LINK([#ifdef TERM_H_NEEDS_CURSES_H
#include <curses.h>
#endif
#include <term.h>], [char **test = strcodes; printf(*test);],
AC_DEFINE(HAVE_STRCODES) strcodes=yes, strcodes=no)
AC_MSG_RESULT($strcodes)
AC_MSG_CHECKING(if boolnames is available)
AC_TRY_LINK([#include <curses.h>
#include <term.h>], [char **test = boolnames; printf(*test);],
AC_DEFINE(HAVE_BOOLNAMES) boolnames=yes, boolnames=no)
AC_MSG_RESULT($boolnames)
AC_MSG_CHECKING(if numnames is available)
AC_TRY_LINK([#include <curses.h>
#include <term.h>], [char **test = numnames; printf(*test);],
AC_DEFINE(HAVE_NUMNAMES) numnames=yes, numnames=no)
AC_MSG_RESULT($numnames)
AC_MSG_CHECKING(if strnames is available)
AC_TRY_LINK([#include <curses.h>
#include <term.h>], [char **test = strnames; printf(*test);],
AC_DEFINE(HAVE_STRNAMES) strnames=yes, strnames=no)
AC_MSG_RESULT($strnames)
])
dnl Some systems (Solaris 2.x, Linux Redhat 5.x) require
dnl libnsl (Network Services Library) to find yp_all
AC_SEARCH_LIBS(yp_all, nsl)
dnl I am told that told that unicos reqire these for nis_list
if test `echo $host_os | sed 's/^\(unicos\).*/\1/'` = unicos; then
LIBS="-lcraylm -lkrb -lnisdb -lnsl -lrpcsvc $LIBS"
fi
if test "x$dynamic" = xyes; then
AC_CHECK_LIB(dl, dlopen)
fi
if test x$enable_cap = xyes; then
AC_CHECK_LIB(cap, cap_get_proc)
fi
AC_CHECK_LIB(socket, socket)
AC_CHECK_LIB(iconv, iconv)
if test x$enable_pcre = xyes; then
dnl pcre-config should probably be employed here
AC_SEARCH_LIBS(pcre_compile, pcre)
fi
dnl ---------------------
dnl CHECK TERMCAP LIBRARY
dnl ---------------------
dnl Checks for external variable ospeed in the termcap library.
AC_CACHE_CHECK(if an include file defines ospeed,
zsh_cv_decl_ospeed_include_defines,
[AC_TRY_LINK(
[#include <sys/types.h>
#if HAVE_TERMIOS_H
#include <termios.h>
#endif
#if HAVE_TERMCAP_H
#include <termcap.h>
#endif], [ospeed = 0;],
zsh_cv_decl_ospeed_include_defines=yes,
zsh_cv_decl_ospeed_include_defines=no)])
if test $zsh_cv_decl_ospeed_include_defines = no; then
AC_CACHE_CHECK(if you must define ospeed,
zsh_cv_decl_ospeed_must_define,
[AC_TRY_LINK( ,[extern short ospeed; ospeed = 0;],
zsh_cv_decl_ospeed_must_define=yes,
zsh_cv_decl_ospeed_must_define=no)])
fi
AH_TEMPLATE([HAVE_OSPEED],
[Define to 1 if your termcap library has the ospeed variable])
AH_TEMPLATE([MUST_DEFINE_OSPEED],
[Define to 1 if you have ospeed, but it is not defined in termcap.h])
if test $zsh_cv_decl_ospeed_include_defines = yes; then
AC_DEFINE(HAVE_OSPEED)
elif test $zsh_cv_decl_ospeed_must_define = yes; then
AC_DEFINE(HAVE_OSPEED)
AC_DEFINE(MUST_DEFINE_OSPEED)
fi
dnl --------------
dnl CHECK TYPEDEFS
dnl --------------
AC_TYPE_SIGNAL
AC_TYPE_PID_T
AC_TYPE_OFF_T
AC_CHECK_TYPE(ino_t, unsigned long)
AC_TYPE_MODE_T
AC_TYPE_UID_T
AC_TYPE_SIZE_T
dnl ------------------------------------------------
dnl Check size of long and try to find a 64-bit type
dnl ------------------------------------------------
dnl AC_CHECK_SIZEOF is no good, because we need the result here,
dnl and that doesn't seem to define a shell parameter.
AC_CACHE_CHECK(if long is 64 bits, zsh_cv_long_is_64_bit,
[AC_TRY_RUN([int main() { return sizeof(long) < 8; }],
zsh_cv_long_is_64_bit=yes,
zsh_cv_long_is_64_bit=no,
zsh_cv_long_is_64_bit=no)])
AH_TEMPLATE([ino_t],
[Define to `unsigned long' if <sys/types.h> doesn't define.])
AH_TEMPLATE([LONG_IS_64_BIT],
[Definitions used when a long is less than eight byte, to try to
provide some support for eight byte operations.
Note that ZSH_64_BIT_TYPE, OFF_T_IS_64_BIT, INO_T_IS_64_BIT do *not* get
defined if long is already 64 bits, since in that case no special handling
is required.
Define to 1 if long is 64 bits])
AH_TEMPLATE([ZSH_64_BIT_TYPE],
[Define to a 64 bit integer type if there is one, but long is shorter.])
AH_TEMPLATE([ZSH_64_BIT_UTYPE],
[Define to an unsigned variant of ZSH_64_BIT_TYPE if that is defined.])
AH_TEMPLATE([OFF_T_IS_64_BIT],
[Define to 1 if off_t is 64 bit (for large file support)])
AH_TEMPLATE([INO_T_IS_64_BIT],
[Define to 1 if ino_t is 64 bit (for large file support).])
if test $zsh_cv_long_is_64_bit = yes; then
AC_DEFINE(LONG_IS_64_BIT)
else
AC_CACHE_CHECK(if off_t is 64 bit, zsh_cv_off_t_is_64_bit,
[AC_TRY_RUN([
#include <sys/types.h>
main() { return sizeof(off_t) < 8; }
],
zsh_cv_off_t_is_64_bit=yes,
zsh_cv_off_t_is_64_bit=no,
zsh_cv_off_t_is_64_bit=no)])
if test $zsh_cv_off_t_is_64_bit = yes; then
AC_DEFINE(OFF_T_IS_64_BIT)
fi
AC_CACHE_CHECK(if ino_t is 64 bit, zsh_cv_ino_t_is_64_bit,
[AC_TRY_RUN([
#include <sys/types.h>
main() { return sizeof(ino_t) < 8; }
],
zsh_cv_ino_t_is_64_bit=yes,
zsh_cv_ino_t_is_64_bit=no,
zsh_cv_ino_t_is_64_bit=no)])
if test $zsh_cv_ino_t_is_64_bit = yes; then
AC_DEFINE(INO_T_IS_64_BIT)
fi
if test $lfs != no -o $zsh_cv_off_t_is_64_bit = yes \
-o $zsh_cv_ino_t_is_64_bit = yes; then
AC_CACHE_CHECK(if compiler has a 64 bit type, zsh_cv_64_bit_type,
[if test $lfs != yes && test $lfs != no; then
zsh_64_BIT_TYPE(${lfs}, zsh_cv_64_bit_type, force)
else
zsh_64_BIT_TYPE(long long, zsh_cv_64_bit_type)
if test "$zsh_cv_64_bit_type" = no; then
zsh_64_BIT_TYPE(quad_t, zsh_cv_64_bit_type)
fi
if test "$zsh_cv_64_bit_type" = no; then
zsh_64_BIT_TYPE(__int64_t, zsh_cv_64_bit_type)
fi
dnl As a last resort, if we know off_t has 64 bits, use that as
dnl the 64-bit integer type. I don't dare try ino_t since there's
dnl probably nothing to stop that being unsigned.
if test "$zsh_cv_64_bit_type" = no &&
test "$zsh_cv_off_t_is_64_bit" = yes; then
zsh_64_BIT_TYPE(off_t, zsh_cv_64_bit_type)
fi
fi])
if test "$zsh_cv_64_bit_type" != no; then
AC_DEFINE_UNQUOTED(ZSH_64_BIT_TYPE, $zsh_cv_64_bit_type)
dnl Handle cases where unsigned type cannot be simply
dnl `unsigned ZSH_64_BIT_TYPE'. More tests may be required.
AC_CACHE_CHECK(for a corresponding unsigned 64 bit type,
zsh_cv_64_bit_utype,
[zsh_64_BIT_TYPE(unsigned $zsh_cv_64_bit_type, zsh_cv_64_bit_utype,
force)
if test "$zsh_cv_64_bit_utype" = no; then
zsh_64_BIT_TYPE(__uint64_t, zsh_cv_64_bit_utype)
fi])
if test "$zsh_cv_64_bit_utype" != no; then
AC_DEFINE_UNQUOTED(ZSH_64_BIT_UTYPE, $zsh_cv_64_bit_utype)
fi
fi
fi
fi
dnl Check for sigset_t. Currently I'm looking in
dnl <sys/types.h> and <signal.h>. Others might need
dnl to be added.
AC_CACHE_CHECK(for sigset_t, zsh_cv_type_sigset_t,
[AC_TRY_COMPILE(
[#include <sys/types.h>
#include <signal.h>], [sigset_t tempsigset;],
zsh_cv_type_sigset_t=yes, zsh_cv_type_sigset_t=no)])
AH_TEMPLATE([sigset_t],
[Define to `unsigned int' if <sys/types.h> or <signal.h> doesn't define])
if test $zsh_cv_type_sigset_t = no; then
AC_DEFINE(sigset_t, unsigned int)
fi
dnl Check for struct timezone since some old SCO versions do not define it
zsh_TYPE_EXISTS([
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
], struct timezone)
dnl Check for utmp structures, for watch
zsh_TYPE_EXISTS([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMP_H
# include <utmp.h>
#endif
], struct utmp)
zsh_TYPE_EXISTS([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMPX_H
# include <utmpx.h>
#endif
], struct utmpx)
dnl Check contents of utmp structures
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMP_H
# include <utmp.h>
#endif
], struct utmp, ut_host)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMPX_H
# include <utmpx.h>
#endif
], struct utmpx, ut_host)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMPX_H
# include <utmpx.h>
#endif
], struct utmpx, ut_xtime)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UTMPX_H
# include <utmpx.h>
#endif
], struct utmpx, ut_tv)
dnl Check for inode numbers in directory entry structures
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
], struct dirent, d_ino)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_DIRENT_H
# include <dirent.h>
#endif
], struct dirent, d_stat)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
#endif
#ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
#endif
#ifdef HAVE_NDIR_H
# include <ndir.h>
#endif
], struct direct, d_ino)
zsh_STRUCT_MEMBER([
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
#endif
#ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
#endif
#ifdef HAVE_NDIR_H
# include <ndir.h>
#endif