minix/dist/nvi/dist/configure.in
Lionel Sambuc 3e1db26a5a Termcap update, replacing elvis by nvi.
Removing elvis, importing nvi, ctags, updating libedit.

Change-Id: I881eb04d2dc64cf112facd992de1114e1a59107f
2013-01-24 07:44:38 +01:00

1074 lines
32 KiB
Plaintext

dnl Id: configure.in,v 8.192 2003/02/17 20:09:07 skimo Exp
dnl Process this file with autoconf to produce a configure script.
AC_INIT(../common/main.c)
AC_CONFIG_AUX_DIR(.)
AM_INIT_AUTOMAKE(vi, 1.81.6)
AM_CONFIG_HEADER(config.h)
dnl Configure setup.
AC_PROG_INSTALL()
AC_CANONICAL_HOST
dnl part of AM_INIT_AUTOMAKE ?
dnl AC_ARG_PROGRAM()
AC_PROG_LIBTOOL
dnl If the user wants a debugging environment, set OPTFLAG now, some
dnl compilers won't mix optimizing and debug flags.)
AC_MSG_CHECKING(if --enable-debug option specified)
AC_ARG_ENABLE(debug,
[ --enable-debug Build a debugging version.],
[vi_cv_debug=$enableval], [vi_cv_debug="no"])
AC_MSG_RESULT($vi_cv_debug)
if test "$vi_cv_debug" = yes; then
AC_DEFINE(DEBUG)
OPTFLAG=${OPTFLAG-"-g"}
no_op_OPTFLAG=${no_op_OPTFLAG-"-g"}
fi
dnl This is where we handle stuff that autoconf can't handle.
dnl XXX
dnl Don't override anything if it's already set from the environment.
dnl Compiler, preprocessor and load flags.
dnl AUX: -ZP disables _BSD_SOURCE et al, but enables POSIX at link time.
dnl LynxOS: We check for gcc 2.x or better, the gcc 1 that was shipped with
dnl LynxOS historically wasn't good enough.
AC_SUBST(CPPFLAGS)
case "$host_os" in
aix3.2.5) OPTFLAG=${OPTFLAG-"-O"};;
aix4.1*) CFLAGS=${CFLAGS-"-qstrict"}
OPTFLAG=${OPTFLAG-"-O3"};;
aux*) CPPFLAGS=${CPPFLAGS-"-ZP -D_BSD_SOURCE -D_SYSV_SOURCE -D_AUX_SOURCE"}
LDFLAGS=${LDFLAGS-"-ZP"}
OPTFLAG=${OPTFLAG-"-O"};;
bsd4.4) OPTFLAG=${OPTFLAG-"-O2"};;
bsdi*) CC=${CC-"shlicc"}
OPTFLAG=${OPTFLAG-"-O2"};;
irix6*) OPTFLAG=${OPTFLAG-"-O2"};;
irix*) OPTFLAG=${OPTFLAG-"-O2"};;
lynxos*) AC_PROG_CC()
AC_MSG_CHECKING([for GNU C (gcc) version 2.x])
ac_cv_gcc_vers=`${CC-cc} -v 2>&1 | \
grep "gcc version " | sed 's/.*version //'`
ac_cv_gcc_major=`echo "$ac_cv_gcc_vers" | sed 's/\..*//'`
if test "$ac_cv_gcc_major" = "2" ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
AC_MSG_WARN([Nvi requires gcc 2.x to build on LynxOS.])
AC_MSG_ERROR([See build/README.LynxOS for more information.])
fi;;
nextstep3) CPPFLAGS=${CPPFLAGS-"-w -pipe -posix"}
LDFLAGS=${LDFLAGS-"-posix"}
OPTFLAG=${OPTFLAG-"-O2"};;
osf*) CFLAGS=${CFLAGS-"-Olimit 1000"};;
solaris*) no_op_OPTFLAG=${no_op_OPTFLAG-""};;
sunos*) no_op_OPTFLAG=${no_op_OPTFLAG-""};;
esac
dnl The default OPTFLAG is -O
AC_SUBST(OPTFLAG)
OPTFLAG=${OPTFLAG-"-O"}
dnl The default compiler is cc (NOT gcc), the default CFLAGS is empty,
dnl NOT whatever AC_PROG_CC sets.
AC_SUBST(CC)
CC=${CC-cc}
CFLAGS=${CFLAGS-""}
AC_PROG_CC
if test "$GCC" = yes; then
AC_DEFINE(HAVE_GCC)
fi
dnl The SunOS/Solaris compiler can't optimize vi/v_txt.c; the symptom is
dnl that the command 35i==<esc> turns into an infinite loop.
AC_SUBST(no_op_OPTFLAG)
no_op_OPTFLAG=${no_op_OPTFLAG-"$OPTFLAG"}
dnl Libraries.
case "$host_os" in
bsdi2.1) LIBS=${LIBS-"-lipc"};;
dgux*) LIBS=${LIBS-"-ldgc"};;
irix6*) LIBS=${LIBS-"-lbsd"};;
irix*) LIBS=${LIBS-"-lc_s -lbsd"};;
isc*) LIBS=${LIBS-"-lcposix -linet"};;
netbsd1*) LIBS=${LIBS-"-lcrypt"};;
ptx*) LIBS=${LIBS-"-lseq -linet -lsocket"};;
sco3.2*) LIBS=${LIBS-"-lsocket"};;
sinix*) LIBS=${LIBS-"-lelf -lc"};;
solaris*) LIBS=${LIBS-"-lsocket -lnsl -ldl"};;
wgs*) LIBS=${LIBS-"-lnsl"};;
esac
dnl A/UX has a broken getopt(3), strpbrk(3).
case "$host_os" in
aux*) LIBOBJS="getopt.o strpbrk.o $LIBOBJS";;
esac
dnl Ultrix has a broken POSIX.1 VDISABLE value.
case "$host_os" in
ultrix*) AC_DEFINE(HAVE_BROKEN_VDISABLE);;
esac
AC_MSG_CHECKING(whether recording of pathnames of libraries is enabled)
AC_ARG_ENABLE(runpath,
[ --disable-runpath Don't record path of libraries in binary.],
[vi_cv_runpath="$enableval"], [vi_cv_runpath="yes"])
AC_MSG_RESULT($vi_cv_runpath)
if test "X$vi_cv_runpath" = "Xyes"; then
LRscript='s/^\(.*\)/-R\1 -L\1 /'
else
LRscript='s/^\(.*\)/-L\1 /'
fi
dnl If the user wants a tracing version, add the TRACE compile flag.
AC_MSG_CHECKING(if --enable-trace option specified)
AC_ARG_ENABLE(trace,
[ --enable-trace Build a tracing version.],
[vi_cv_trace="yes"], [vi_cv_trace="no"])
if test "$vi_cv_trace" = yes; then
CPPFLAGS="-DTRACE $CPPFLAGS"
fi
AC_MSG_RESULT($vi_cv_trace)
dnl The user may have additional CPP information.
CPPFLAGS="$ADDCPPFLAGS $CPPFLAGS"
dnl The user may have additional load line information.
LDFLAGS="$ADDLDFLAGS $LDFLAGS"
dnl The user may have additional library information.
LIBS="$ADDLIBS $LIBS"
dnl Checks for programs.
PATH="$PATH:/usr/bin:/usr/sbin:/sbin:/etc:/usr/etc:/usr/lib:/usr/ucblib"
dnl Check for the shell path.
AC_PATH_PROG(vi_cv_path_shell, sh, no)
if test "$vi_cv_path_shell" = no; then
AC_MSG_ERROR([No shell utility found.])
fi
dnl Check for the sendmail path.
AC_PATH_PROG(vi_cv_path_sendmail, sendmail, no)
if test "$vi_cv_path_sendmail" = no; then
AC_MSG_WARN([No sendmail utility found;])
AC_MSG_WARN([ users will not be told of saved files.])
fi
dnl Check for the perl5/perl path.
AC_SUBST(vi_cv_path_perl)
AC_PATH_PROGS(vi_cv_path_perl, perl5 perl, no)
dnl Check for the "preserve" path.
dnl Historically, nvi has used /var/tmp/vi.recover. The Linux filesystem
dnl standard (FSSTND) uses /var/preserve; we add the vi.recover directory
dnl beneath it so that we don't have name collisions with other editors.
dnl Other systems have /var/preserve as well, so we test first for an already
dnl existing name, and then use the first one that's writeable.
AC_SUBST(vi_cv_path_preserve)
AC_MSG_CHECKING(for preserve directory)
AC_CACHE_VAL(vi_cv_path_preserve, [dnl
dirlist="/var/preserve /var/tmp /usr/tmp"
vi_cv_path_preserve=no
for i in $dirlist; do
if test -d $i/vi.recover; then
vi_cv_path_preserve=$i/vi.recover
break;
fi
done
if test "$vi_cv_path_preserve" = no; then
for i in $dirlist; do
if test -d $i -a -w $i; then
vi_cv_path_preserve=$i/vi.recover
break;
fi
done
fi])
if test "$vi_cv_path_preserve" = no; then
AC_MSG_ERROR([No writeable preserve directory found.])
fi
AC_MSG_RESULT($vi_cv_path_preserve)
AC_PATH_PROG(vi_cv_path_fuser, fuser, no)
AC_PATH_PROG(vi_cv_path_lsof, lsof, no)
AC_SUBST(INUSE)
INUSE=""
if test "$vi_cv_path_lsof" != no; then
INUSE='test `lsof -t $i`'
fi
if test "$vi_cv_path_fuser" != no; then
INUSE='fuser -s $i'
fi
dnl Check for programs used for installation
AC_PROG_AWK
AC_PATH_PROG(vi_cv_path_ar, ar, missing_ar)
AC_PATH_PROG(vi_cv_path_chmod, chmod, missing_chmod)
AC_PATH_PROG(vi_cv_path_cp, cp, missing_cp)
AC_PATH_PROG(vi_cv_path_ln, ln, missing_ln)
AC_PATH_PROG(vi_cv_path_mkdir, mkdir, missing_mkdir)
AC_PATH_PROG(vi_cv_path_rm, rm, missing_rm)
AC_PATH_PROG(vi_cv_path_ranlib, ranlib, missing_ranlib)
AC_PATH_PROG(vi_cv_path_strip, strip, missing_strip)
dnl Checks for libraries.
dnl Find the X libraries and includes.
AC_PATH_X
AC_SUBST(XINCS)
if test "$no_x" != yes; then
if test "X$x_libraries" != "X"; then
XLIBS="`echo $x_libraries | sed "$LRscript"` $XLIBS"
fi
XLIBS="$XLIBS -lX11"
if test "X$x_includes" != "X"; then
XINCS="-I$x_includes"
fi
fi
AC_DEFUN([VI_CV_REPLACE_FUNCS],
[AC_FOREACH([AC_Func], [$1], [])dnl
AC_CHECK_FUNCS([$1], , [_AC_LIBOBJ($ac_func)])
])
dnl Check if the user wants widechar support.
AC_MSG_CHECKING(if --enable-widechar option specified)
AC_ARG_ENABLE(widechar,
[ --enable-widechar Build a wide char aware vi.],
[vi_cv_widechar=$enableval], [vi_cv_widechar="no"])
if test "$vi_cv_widechar" = "yes"; then
AC_DEFINE(USE_WIDECHAR)
fi
AC_MSG_RESULT($vi_cv_widechar)
dnl Check whether we can use iconv
AC_CHECK_HEADER(langinfo.h, [
AC_CHECK_HEADER(iconv.h, [
AC_DEFINE(USE_ICONV)
VI_CV_REPLACE_FUNCS(iswblank)
])
])
dnl If the user wants a Gtk IPC front-end for nvi, build it.
AC_SUBST(vi_programs)
AC_SUBST(vi_ipc)
AC_SUBST(GTKLIBS)
AC_SUBST(GTKINCS)
AC_MSG_CHECKING(if --enable-gtk option specified)
AC_ARG_ENABLE(gtk,
[ --enable-gtk Build a Gtk front-end for vi.],
[vi_cv_gtk=$enableval], [vi_cv_gtk="no"])
AC_MSG_RESULT($vi_cv_gtk)
if test "$vi_cv_gtk" = "yes"; then
#
# Find pkg-config
#
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
if test x$PKG_CONFIG = xno ; then
if test "$vi_cv_widechar" = "yes"; then
AC_MSG_ERROR(
[*** pkg-config not found. See http://pkgconfig.sourceforge.net])
fi
else
if ! $PKG_CONFIG --atleast-pkgconfig-version 0.5 ; then
if test "$vi_cv_widechar" = "yes"; then
AC_MSG_ERROR(
[*** pkg-config too old; version 0.5 or better required.])
fi
PKG_CONFIG=no
fi
fi
if test x$PKG_CONFIG = xno ; then
PKG_CONFIG=/bin/false
fi
vi_programs="$vi_programs vi-gtk"
vi_ipc=vi-ipc
AC_MSG_CHECKING(for gtk+)
if $PKG_CONFIG gtk+-2.0 ; then
GTKINCS=`$PKG_CONFIG --cflags gtk+-2.0`
GTKLIBS=`$PKG_CONFIG --libs gtk+-2.0`
AC_MSG_RESULT(ok)
AC_DEFINE(HAVE_PANGO)
else
if test "$vi_cv_widechar" = "yes"; then
AC_MSG_ERROR([
*** gtk+-2.0 is required. The latest version of gtk
*** is always available from ftp://ftp.gtk.org/.
])
else
AM_PATH_GTK(1.2.0)
GTKINCS="$GTK_CFLAGS"
GTKLIBS="$GTK_LIBS $LIBS"
fi
fi
SAVELIBS="$LIBS"
LIBS="-lutil $GTKLIBS"
AC_CHECK_LIB(nvizvt, zvt_get_ptys,
[vi_cv_zvt="yes"], [vi_cv_zvt="no"])
if test "$vi_cv_zvt" = "yes"; then
GTKLIBS="-lnvizvt $LIBS"
AC_DEFINE(HAVE_ZVT)
fi
LIBS="$SAVELIBS"
# AC_PATH_PROG(vi_cv_gnome_config, gnome-config, no)
# if test "$vi_cv_gnome_config" != "no"; then
# ZVTLIBS=`$vi_cv_gnome_config zvt --libs`
# GTKLIBS="$ZVTLIBS $GTKLIBS"
# fi
fi
dnl If the user wants a Motif IPC front-end for nvi, build it.
AC_SUBST(MOTIFLIBS)
AC_MSG_CHECKING(if --enable-motif option specified)
AC_ARG_ENABLE(motif,
[ --enable-motif Build a Motif front-end for vi.],
[vi_cv_motif=$enableval], [vi_cv_motif="no"])
AC_MSG_RESULT($vi_cv_motif)
if test "$vi_cv_motif" = "yes"; then
vi_programs="$vi_programs vi-motif"
vi_ipc=vi-ipc
dnl XXX
dnl BSDI's Motif libraries aren't shared.
case "$host_os" in
bsdi*) CC=cc;;
esac
dnl XXX
dnl The Xinside Motif distribution requires -lSM, -lICE and -lXext.
dnl -lXext is generally available, the others aren't.
dnl
dnl XXX
dnl Color icons require -lXpm, which may or may not be available,
dnl depending on the version of X11.
MOTIFLIBS="-lXm -lXt"
AC_CHECK_LIB(SM, main,
[vi_cv_smlib="yes"], [vi_cv_smlib="no"], "$XLIBS")
if test "$vi_cv_smlib" = "yes"; then
MOTIFLIBS="$MOTIFLIBS -lSM"
fi
AC_CHECK_LIB(ICE, main,
[vi_cv_icelib="yes"], [vi_cv_icelib="no"], "$XLIBS")
if test "$vi_cv_icelib" = "yes"; then
MOTIFLIBS="$MOTIFLIBS -lICE"
fi
AC_CHECK_LIB(Xext, main,
[vi_cv_xextlib="yes"], [vi_cv_xextlib="no"], "$XLIBS")
if test "$vi_cv_xextlib" = "yes"; then
MOTIFLIBS="$MOTIFLIBS -lXext"
fi
AC_CHECK_LIB(Xpm, main,
[vi_cv_xpmlib="yes"], [vi_cv_xpmlib="no"], "$XLIBS")
if test "$vi_cv_xpmlib" = "yes"; then
MOTIFLIBS="$MOTIFLIBS -lXpm"
fi
MOTIFLIBS="$MOTIFLIBS $XLIBS -lm $LIBS"
fi
AC_SUBST(IPCOBJS)
dnl Check for threads
AC_MSG_CHECKING(if --enable-threads option specified)
AC_ARG_ENABLE(threads,
[ --enable-threads Turn on thread support.],
[vi_cv_threads=$enableval], [vi_cv_threads="no"])
AC_MSG_RESULT($vi_cv_threads)
if test "$vi_cv_threads" = "yes"; then
LIBS="$LIBS -lpthread"
AC_CACHE_VAL(vi_cv_have_pthreads, [dnl
AC_TRY_LINK([#include <pthread.h>],
[pthread_self()],
[vi_cv_have_pthreads=yes],
[vi_cv_have_pthreads=no])])
if test "$vi_cv_have_pthreads" = "no"; then
AC_MSG_ERROR(No threading library found)
fi
IPCOBJS="pthread.o $IPCOBJS"
AC_DEFINE(HAVE_PTHREAD)
else
IPCOBJS="nothread.o $IPCOBJS"
fi
dnl If the user wants a Perl interpreter in nvi, load it.
AC_SUBST(shrpenv)
AC_SUBST(perlldflags)
AC_SUBST(perllibs)
AC_SUBST(vi_cv_perllib)
AC_MSG_CHECKING(if --enable-perlinterp option specified)
AC_ARG_ENABLE(perlinterp,
[ --enable-perlinterp Include a Perl interpreter in vi.],
[vi_cv_perlinterp=$enableval], [vi_cv_perlinterp="no"])
AC_MSG_RESULT($vi_cv_perlinterp)
if test "$vi_cv_perlinterp" = "yes"; then
if test "$vi_cv_path_perl" = no; then
AC_MSG_ERROR([No perl5 utility found.])
fi
$vi_cv_path_perl -e 'require 5.004' || {
AC_MSG_ERROR([perl5 must be version 5.004 or later.])
}
if test "$vi_cv_threads" = "yes"; then
useithreads=`$vi_cv_path_perl -MConfig -e 'print $Config{useithreads}'`
if test "X$useithreads" != "Xdefine"; then
AC_MSG_ERROR([vi threading only compatible with perl's ithreads.])
fi
fi
eval `$vi_cv_path_perl -V:shrpenv`
vi_cv_perllib=`$vi_cv_path_perl -MConfig -e 'print $Config{privlib}'`
perlcppflags=`$vi_cv_path_perl -Mlib=$srcdir -MExtUtils::Embed \
-e 'ccflags;perl_inc'`
if test "X$perlcppflags" != "X"; then
CPPFLAGS="$perlcppflags $CPPFLAGS"
fi
perllibs=`cd $srcdir;$vi_cv_path_perl -MExtUtils::Embed \
-e 'ldopts'`
perlldflags=`cd $srcdir;$vi_cv_path_perl -MExtUtils::Embed \
-e 'ccdlflags'`
LIBOBJS="perl.o perlxsi.o perlsfio.o $LIBOBJS"
AC_DEFINE(HAVE_PERL_INTERP)
AC_CACHE_CHECK([whether we need to use perl's setenv],
vi_cv_perl_setenv, [
AC_TRY_RUN([
#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>
int main(){
#if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV)
exit(0);
#else
exit(1);
#endif
}
], [vi_cv_perl_setenv=yes], [vi_cv_perl_setenv=no])])
if test "$vi_cv_perl_setenv" = yes; then
AC_DEFINE(USE_PERL_SETENV)
fi
fi
dnl If the user wants a Tk/Tcl interpreter in nvi, load it. Make sure that
dnl we can find a Tk/Tcl library.
AC_MSG_CHECKING(if --enable-tclinterp option specified)
AC_ARG_ENABLE(tclinterp,
[ --enable-tclinterp Include a Tk/Tcl interpreter in vi.],
[vi_cv_tclinterp=$enableval], [vi_cv_tclinterp="no"])
AC_MSG_RESULT($vi_cv_tclinterp)
if test "$vi_cv_tclinterp" = "yes"; then
AC_MSG_CHECKING([for tclConfig.sh])
AC_CACHE_VAL(vi_cv_tclconfig, [
vi_cv_tclconfig=`$srcdir/findconfig`])
AC_MSG_RESULT($vi_cv_tclconfig)
if test "x$vi_cv_tclconfig" = x; then
AC_MSG_ERROR([No Tcl library found;])
fi
. $vi_cv_tclconfig
LIBOBJS="tcl.o $LIBOBJS"
LIBS="$TCL_LIB_SPEC $TCL_LIBS $LIBS"
AC_DEFINE(HAVE_TCL_INTERP)
fi
dnl check for curses
AC_SUBST(CURSLIBS)
AC_SUBST(CURSCPPFLAGS)
AC_SUBST(CURSLDFLAGS)
AC_SUBST(HAVE_NCURSESW)
dnl AC_ARG_WITH(slang,
dnl [ --with-slang[=DIR] Use S-Lang instead of curses. ],
dnl [
dnl if test "$withval" != yes; then
dnl LDFLAGS="-L${withval}/lib $LDFLAGS"
dnl CPPFLAGS="-I${withval}/include $CPPFLAGS"
dnl fi
dnl AC_DEFINE(USE_SLANG_CURSES)
dnl AC_CHECK_LIB(slang, SLtt_get_terminfo,
dnl [CURSLIBS="$CURSLIBS -lslang -lm"],
dnl [AC_MSG_ERROR(unable to compile. check config.log)], -lm)
dnl
dnl vi_cv_curses=slcurses
dnl ],
dnl [
SAVELIBS="$LIBS"
SAVELDFLAGS="$LDFLAGS"
SAVECPPFLAGS="$CPPFLAGS"
AC_ARG_WITH(curses,
[ --with-curses=DIR Path to curses installation. ])
if test "x$with_curses" != "x"; then
CURSLDFLAGS="`echo $with_curses/lib | sed "$LRscript"` $CURSLDFLAGS"
CURSCPPFLAGS="-I$with_curses/include $CURSCPPFLAGS"
fi;
LDFLAGS="$CURSLDFLAGS $LDFLAGS"
CPPFLAGS="$CURSCPPFLAGS $CPPFLAGS"
if test "$vi_cv_widechar" = "yes"; then
for vi_cv_curses in ncurses ncursesw curses; do
AC_CHECK_LIB($vi_cv_curses, waddnwstr,[break])
vi_cv_curses=unknown
done
else
for vi_cv_curses in ncurses ncursesw curses; do
AC_CHECK_LIB($vi_cv_curses, initscr, [break])
vi_cv_curses=unknown
done
fi
if test "$vi_cv_curses" != "unknown"; then
CURSHEADER=curses.h
if test "$vi_cv_curses" = "ncurses"; then
AC_CHECK_HEADERS(ncurses.h, [CURSHEADER=ncurses.h])
fi
if test "$vi_cv_curses" = "ncursesw"; then
AC_CHECK_HEADERS(ncursesw/ncurses.h,
[CURSHEADER=ncursesw/ncurses.h])
fi
vi_programs="vi $vi_programs"
CURSLIBS="-l$vi_cv_curses"
else
AC_MSG_WARN([*** No suitable curses library found.])
if test "$vi_programs"X = X; then
AC_MSG_ERROR([No executable to build.])
fi
fi
dnl Check for the termcap/termlib library. These two checks must occur in the
dnl current order, and -lcurses must be loaded before -ltermcap/-ltermlib.
dnl On Solaris curses==termlib, but different versions of curses
dnl can be used. Avoid loading termlib is curses has tgetent.
AC_CHECK_LIB($vi_cv_curses, tgetent,
[vi_cv_curses_tgetent=yes], [vi_cv_curses_tgetent=no])
if test "$vi_cv_curses_tgetent" = no; then
AC_CHECK_LIB(termlib, tgetent,
[vi_cv_termlib=-ltermlib], [vi_cv_termlib=no])
if test "$vi_cv_termlib" = no; then
AC_CHECK_LIB(termcap, tgetent,
[vi_cv_termlib=-ltermcap], [vi_cv_termlib=no])
fi
fi
if test "$vi_cv_termlib" != no; then
CURSLIBS="$CURSLIBS $vi_cv_termlib"
fi
LIBS="$SAVELIBS"
LDFLAGS="$SAVELDFLAGS"
CPPFLAGS="$SAVECPPFLAGS"
dnl ])
dnl Checks for header files.
AC_MSG_CHECKING(for sys/mman.h)
AC_CACHE_VAL(vi_cv_include_sys_mman, [dnl
AC_TRY_CPP([#include <sys/mman.h>],
[vi_cv_include_sys_mman=yes], [vi_cv_include_sys_mman=no])])
if test "$vi_cv_include_sys_mman" = yes; then
AC_DEFINE(HAVE_SYS_MMAN_H)
fi
AC_MSG_RESULT($vi_cv_include_sys_mman)
AC_MSG_CHECKING(for sys/select.h)
AC_CACHE_VAL(vi_cv_include_sys_select, [dnl
AC_TRY_CPP([#include <sys/select.h>],
[vi_cv_include_sys_select=yes], [vi_cv_include_sys_select=no])])
if test "$vi_cv_include_sys_select" = yes; then
AC_DEFINE(HAVE_SYS_SELECT_H)
fi
AC_MSG_RESULT($vi_cv_include_sys_select)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_TYPE(ssize_t, int)
AC_C_BIGENDIAN
AC_C_CONST
AC_STRUCT_ST_BLKSIZE
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_STRUCT_TM
dnl Checks for library functions.
VI_CV_REPLACE_FUNCS(bsearch gethostname memchr memset)
VI_CV_REPLACE_FUNCS(mkstemp mmap strdup strpbrk)
VI_CV_REPLACE_FUNCS(snprintf vsnprintf)
AC_CHECK_FUNCS(select memcpy)
AC_CHECK_FUNCS(setenv, [need_env=no], [need_env=yes])
AC_CHECK_FUNCS(strsep, [need_strsep=no], [need_strsep=yes])
AC_CHECK_FUNCS(unsetenv,, [need_env=yes])
AC_FUNC_MMAP
AC_FUNC_VFORK
dnl If we needed setenv or unsetenv, add in the clib/env.c replacement file.
if test "$need_env" = yes; then
LIBOBJS="env.o $LIBOBJS"
fi
dnl If we need strsep, add it and define it so we get a prototype.
if test "$need_strsep" = yes; then
LIBOBJS="strsep.o $LIBOBJS"
fi
dnl Check for fcntl/flock
dnl Use flock preferentially, since it has cleaner semantics and won't
dnl hang up the editor.
dnl XXX
dnl Ultrix has a broken fcntl, but a working flock.
dnl IRIX and DGUX have a broken flock, but working fcntl.
AC_MSG_CHECKING(for fcntl/flock)
AC_CACHE_VAL(vi_cv_lock, [dnl
vi_cv_lock=none
case "$host_os" in
dgux*);;
irix*);;
*)
AC_TRY_LINK([#include <fcntl.h>], [flock(0, 0);],
[vi_cv_lock=flock]);;
esac
if test "$vi_cv_lock" = none; then
AC_TRY_LINK([#include <fcntl.h>], [fcntl(0, F_SETLK, 0);],
[vi_cv_lock=fcntl])
fi])
if test "$vi_cv_lock" = flock; then
AC_DEFINE(HAVE_LOCK_FLOCK)
fi
if test "$vi_cv_lock" = fcntl; then
AC_DEFINE(HAVE_LOCK_FCNTL)
fi
AC_MSG_RESULT($vi_cv_lock)
dnl Check for ftruncate/chsize
AC_MSG_CHECKING(for ftruncate/chsize)
AC_CACHE_VAL(vi_cv_ftruncate, [dnl
AC_TRY_LINK([#include <unistd.h>], [ftruncate(0, 0);],
[vi_cv_ftruncate=ftruncate],
AC_TRY_LINK([#include <unistd.h>], [chsize(0, 0);],
[vi_cv_ftruncate=chsize], [vi_cv_ftruncate=no]))])
if test "$vi_cv_ftruncate" = ftruncate; then
AC_DEFINE(HAVE_FTRUNCATE_FTRUNCATE)
fi
if test "$vi_cv_ftruncate" = chsize; then
AC_DEFINE(HAVE_FTRUNCATE_CHSIZE)
fi
if test "$vi_cv_ftruncate" = no; then
AC_MSG_ERROR([No file truncation system call.])
fi
AC_MSG_RESULT($vi_cv_ftruncate)
CSAVELIBS="$LIBS"
CSAVELDFLAGS="$LDFLAGS"
CSAVECPPFLAGS="$CPPFLAGS"
LIBS="$CURSLIBS $LIBS"
LDFLAGS="$CURSLDFLAGS $LDFLAGS"
CPPFLAGS="$CURSCPPFLAGS $CPPFLAGS"
dnl Check for the tigetstr/tigetnum functions.
AC_MSG_CHECKING(for tigetstr/tigetnum)
AC_CACHE_VAL(vi_cv_have_curses_tigetstr, [dnl
AC_TRY_LINK([#include <$CURSHEADER>], [tigetstr(0);],
[vi_cv_have_curses_tigetstr=yes],
[vi_cv_have_curses_tigetstr=no])])
if test "$vi_cv_have_curses_tigetstr" = yes; then
AC_DEFINE(HAVE_CURSES_TIGETSTR)
fi
AC_MSG_RESULT($vi_cv_have_curses_tigetstr)
dnl Check for potentially missing curses functions in system or user-specified
dnl libraries. We also have to guess at whether the specified library is a
dnl BSD or System V style curses. Use the newterm function, all System V
dnl curses implementations have it, none, as far as I know, of the BSD ones do.
if test "$vi_cv_curses" = "bundled curses"; then
AC_DEFINE(HAVE_BSD_CURSES)
AC_DEFINE(HAVE_CURSES_WADDNSTR)
AC_DEFINE(HAVE_CURSES_IDLOK)
else
dnl Check for the waddnstr function.
AC_MSG_CHECKING(for waddnstr)
AC_CACHE_VAL(vi_cv_have_curses_waddnstr, [dnl
AC_TRY_LINK([#include <$CURSHEADER>], [waddnstr(stdscr, 0, 0);],
[vi_cv_have_curses_waddnstr=yes],
[vi_cv_have_curses_waddnstr=no])])
if test "$vi_cv_have_curses_waddnstr" = yes; then
AC_DEFINE(HAVE_CURSES_WADDNSTR)
fi
AC_MSG_RESULT($vi_cv_have_curses_waddnstr)
dnl Check for the beep function.
AC_MSG_CHECKING(for beep)
AC_CACHE_VAL(vi_cv_have_curses_beep, [dnl
AC_TRY_LINK([#include <$CURSHEADER>], [beep();],
[vi_cv_have_curses_beep=yes],
[vi_cv_have_curses_beep=no])])
if test "$vi_cv_have_curses_beep" = yes; then
AC_DEFINE(HAVE_CURSES_BEEP)
fi
AC_MSG_RESULT($vi_cv_have_curses_beep)
dnl Check for the flash function.
AC_MSG_CHECKING(for flash)
AC_CACHE_VAL(vi_cv_have_curses_flash, [dnl
AC_TRY_LINK([#include <$CURSHEADER>], [flash();],
[vi_cv_have_curses_flash=yes],
[vi_cv_have_curses_flash=no])])
if test "$vi_cv_have_curses_flash" = yes; then
AC_DEFINE(HAVE_CURSES_FLASH)
fi
AC_MSG_RESULT($vi_cv_have_curses_flash)
dnl Check for the idlok function.
AC_MSG_CHECKING(for idlok)
AC_CACHE_VAL(vi_cv_have_curses_idlok, [dnl
AC_TRY_LINK([#include <$CURSHEADER>], [idlok(0, 0);],
[vi_cv_have_curses_idlok=yes],
[vi_cv_have_curses_idlok=no])])
if test "$vi_cv_have_curses_idlok" = yes; then
AC_DEFINE(HAVE_CURSES_IDLOK)
fi
AC_MSG_RESULT($vi_cv_have_curses_idlok)
dnl Check for the keypad function.
AC_MSG_CHECKING(for keypad)
AC_CACHE_VAL(vi_cv_have_curses_keypad, [dnl
AC_TRY_LINK([#include <$CURSHEADER>], [keypad(0, 0);],
[vi_cv_have_curses_keypad=yes],
[vi_cv_have_curses_keypad=no])])
if test "$vi_cv_have_curses_keypad" = yes; then
AC_DEFINE(HAVE_CURSES_KEYPAD)
fi
AC_MSG_RESULT($vi_cv_have_curses_keypad)
dnl Check for the newterm function.
AC_MSG_CHECKING(for newterm)
AC_CACHE_VAL(vi_cv_have_curses_newterm, [dnl
AC_TRY_LINK([#include <$CURSHEADER>], [newterm(0, 0, 0);],
[vi_cv_have_curses_newterm=yes],
[vi_cv_have_curses_newterm=no])])
if test "$vi_cv_have_curses_newterm" = yes; then
AC_DEFINE(HAVE_CURSES_NEWTERM)
fi
AC_MSG_RESULT($vi_cv_have_curses_newterm)
if test "$vi_cv_have_curses_newterm" = no; then
AC_DEFINE(HAVE_BSD_CURSES)
fi
fi
dnl Check for the setupterm function. We make this check regardless of
dnl using the system library, because it may be part of the underlying
dnl termcap/termlib support, and we want to use the local one.
AC_MSG_CHECKING(for setupterm)
AC_CACHE_VAL(vi_cv_have_curses_setupterm, [dnl
AC_TRY_LINK([#include <$CURSHEADER>], [setupterm(0, 0, 0);],
[vi_cv_have_curses_setupterm=yes],
[vi_cv_have_curses_setupterm=no])])
if test "$vi_cv_have_curses_setupterm" = yes; then
AC_DEFINE(HAVE_CURSES_SETUPTERM)
fi
AC_MSG_RESULT($vi_cv_have_curses_setupterm)
LIBS="$CSAVELIBS"
LDFLAGS="$CSAVELDFLAGS"
CPPFLAGS="$CSAVECPPFLAGS"
dnl Some moron decided to drop off an argument from the gettimeofday call,
dnl without changing the name.
AC_MSG_CHECKING(for broken gettimeofday system call)
AC_CACHE_VAL(vi_cv_gettimeofday, [dnl
AC_TRY_LINK([#include <sys/types.h>
#include <sys/time.h>], [gettimeofday(0, 0);],
[vi_cv_gettimeofday=okay], [vi_cv_gettimeofday=broken])])
if test "$vi_cv_gettimeofday" = broken; then
AC_DEFINE(HAVE_BROKEN_GETTIMEOFDAY)
fi
AC_MSG_RESULT($vi_cv_gettimeofday)
dnl Check for which version of openpty to use, System V or Berkeley.
AC_MSG_CHECKING(for System V pty calls)
AC_CACHE_VAL(vi_cv_sys5_pty, [dnl
AC_TRY_LINK(, [grantpt(0);],
[vi_cv_sys5_pty=yes], [vi_cv_sys5_pty=no])])
if test "$vi_cv_sys5_pty" = yes; then
AC_DEFINE(HAVE_SYS5_PTY)
fi
AC_MSG_RESULT($vi_cv_sys5_pty)
dnl Check for the revoke system call.
AC_MSG_CHECKING(for revoke system call)
AC_CACHE_VAL(vi_cv_revoke, [dnl
AC_TRY_LINK(, [revoke("a");],
[vi_cv_revoke=yes], [vi_cv_revoke=no])])
if test "$vi_cv_revoke" = yes; then
AC_DEFINE(HAVE_REVOKE)
fi
AC_MSG_RESULT($vi_cv_revoke)
dnl Some versions of sprintf return a pointer to the first argument instead
dnl of a character count. We assume that the return value of snprintf and
dnl vsprintf etc. will be the same as sprintf, and check the easy one.
AC_MSG_CHECKING(for int type sprintf return value)
AC_CACHE_VAL(vi_cv_sprintf_count, [dnl
AC_TRY_RUN([main(){char buf[20]; exit(sprintf(buf, "XXX") != 3);}],
[vi_cv_sprintf_count=yes], [vi_cv_sprintf_count=no])])
if test "$vi_cv_sprintf_count" = no; then
AC_DEFINE(SPRINTF_RET_CHARPNT)
fi
AC_MSG_RESULT($vi_cv_sprintf_count)
dnl Check for the standard shorthand types.
AC_SUBST(u_char_decl)
AC_CACHE_CHECK([for u_char], vi_cv_uchar, [dnl
AC_TRY_COMPILE([#include <sys/types.h>], u_char foo;,
[vi_cv_uchar=yes], [vi_cv_uchar=no])])
if test "$vi_cv_uchar" = no; then
u_char_decl="typedef unsigned char u_char;"
fi
AC_SUBST(u_short_decl)
AC_CACHE_CHECK([for u_short], vi_cv_ushort, [dnl
AC_TRY_COMPILE([#include <sys/types.h>], u_short foo;,
[vi_cv_ushort=yes], [vi_cv_ushort=no])])
if test "$vi_cv_ushort" = no; then
u_short_decl="typedef unsigned short u_short;"
fi
AC_SUBST(u_int_decl)
AC_CACHE_CHECK([for u_int], vi_cv_uint, [dnl
AC_TRY_COMPILE([#include <sys/types.h>], u_int foo;,
[vi_cv_uint=yes], [vi_cv_uint=no])])
if test "$vi_cv_uint" = no; then
u_int_decl="typedef unsigned int u_int;"
fi
AC_SUBST(u_long_decl)
AC_CACHE_CHECK([for u_long], vi_cv_ulong, [dnl
AC_TRY_COMPILE([#include <sys/types.h>], u_long foo;,
[vi_cv_ulong=yes], [vi_cv_ulong=no])])
if test "$vi_cv_ulong" = no; then
u_long_decl="typedef unsigned long u_long;"
fi
dnl DB/Vi use specific integer sizes.
AC_SUBST(u_int8_decl)
AC_CACHE_CHECK([for u_int8_t], vi_cv_uint8, [dnl
AC_TRY_COMPILE([#include <sys/types.h>], u_int8_t foo;,
[vi_cv_uint8=yes],
AC_TRY_RUN([main(){exit(sizeof(unsigned char) != 1);}],
[vi_cv_uint8="unsigned char"], [vi_cv_uint8=no]))])
if test "$vi_cv_uint8" = no; then
AC_MSG_ERROR(No unsigned 8-bit integral type.)
fi
if test "$vi_cv_uint8" != yes; then
u_int8_decl="typedef $vi_cv_uint8 u_int8_t;"
fi
AC_SUBST(u_int16_decl)
AC_CACHE_CHECK([for u_int16_t], vi_cv_uint16, [dnl
AC_TRY_COMPILE([#include <sys/types.h>], u_int16_t foo;,
[vi_cv_uint16=yes],
AC_TRY_RUN([main(){exit(sizeof(unsigned short) != 2);}],
[vi_cv_uint16="unsigned short"],
AC_TRY_RUN([main(){exit(sizeof(unsigned int) != 2);}],
[vi_cv_uint16="unsigned int"], [vi_cv_uint16=no])))])
if test "$vi_cv_uint16" = no; then
AC_MSG_ERROR([No unsigned 16-bit integral type.])
fi
if test "$vi_cv_uint16" != yes; then
u_int16_decl="typedef $vi_cv_uint16 u_int16_t;"
fi
AC_SUBST(int16_decl)
AC_CACHE_CHECK([for int16_t], vi_cv_int16, [dnl
AC_TRY_COMPILE([#include <sys/types.h>], int16_t foo;,
[vi_cv_int16=yes],
AC_TRY_RUN([main(){exit(sizeof(short) != 2);}],
[vi_cv_int16="short"],
AC_TRY_RUN([main(){exit(sizeof(int) != 2);}],
[vi_cv_int16="int"], [vi_cv_int16=no])))])
if test "$vi_cv_int16" = no; then
AC_MSG_ERROR([No signed 16-bit integral type.])
fi
if test "$vi_cv_int16" != yes; then
int16_decl="typedef $vi_cv_int16 int16_t;"
fi
AC_SUBST(u_int32_decl)
AC_CACHE_CHECK([for u_int32_t], vi_cv_uint32, [dnl
AC_TRY_COMPILE([#include <sys/types.h>], u_int32_t foo;,
[vi_cv_uint32=yes],
AC_TRY_RUN([main(){exit(sizeof(unsigned int) != 4);}],
[vi_cv_uint32="unsigned int"],
AC_TRY_RUN([main(){exit(sizeof(unsigned long) != 4);}],
[vi_cv_uint32="unsigned long"], [vi_cv_uint32=no])))])
if test "$vi_cv_uint32" = no; then
AC_MSG_ERROR([No unsigned 32-bit integral type.])
fi
if test "$vi_cv_uint32" != yes; then
u_int32_decl="typedef $vi_cv_uint32 u_int32_t;"
fi
AC_SUBST(int32_decl)
AC_CACHE_CHECK([for int32_t], vi_cv_int32, [dnl
AC_TRY_COMPILE([#include <sys/types.h>], int32_t foo;,
[vi_cv_int32=yes],
AC_TRY_RUN([main(){exit(sizeof(int) != 4);}],
[vi_cv_int32="int"],
AC_TRY_RUN([main(){exit(sizeof(long) != 4);}],
[vi_cv_int32="long"], [vi_cv_int32=no])))])
if test "$vi_cv_int32" = no; then
AC_MSG_ERROR([No signed 32-bit integral type.])
fi
if test "$vi_cv_int32" != yes; then
int32_decl="typedef $vi_cv_int32 int32_t;"
fi
AC_CACHE_CHECK([return type of fprintf], vi_cv_type_fprintf,
[AC_TRY_COMPILE([#include <stdio.h>
int fprintf ();
],[int i;], vi_cv_type_fprintf=int, vi_cv_type_fprintf=void)])
AC_SUBST(NEED_FPRINTF_PROTO)
AC_CACHE_CHECK([fprintf prototype needed], vi_cv_proto_fprintf,
[AC_TRY_COMPILE([ #include <stdio.h>
typedef int (*funcPtr)();
],[funcPtr ptr = (funcPtr) fprintf;],
vi_cv_proto_fprintf=no,
[vi_cv_proto_fprintf=yes])])
if test "$vi_cv_proto_fprintf" = yes; then
AC_DEFINE(NEED_FPRINTF_PROTO)
fi
AC_ARG_WITH(db_type,
[ --with-db=bundled|system Which db to use. ])
case "$with_db_type" in
"db1")
AC_MSG_WARN([Use of db1 is not officially supported.])
AC_DEFINE(USE_DB1)
;;
"system")
;;
*)
with_db_type="bundled"
;;
esac
dnl Check for DB 3
AC_ARG_WITH(db_prefix,
[ --with-db-prefix=PFX Path to db installation. ])
SAVELDFLAGS="$LDFLAGS"
if test "x$with_db_prefix" != "x"; then
LDFLAGS="-L$with_db_prefix/lib $LDFLAGS"
CPPFLAGS="-I$with_db_prefix/include $CPPFLAGS"
fi
if test "$with_db_type" != db1; then
SAVELIBS="$LIBS"
LIBS="$LIBS -ldb"
AC_TRY_LINK([#include <db.h>],
[db_create(NULL,NULL,0)],
[vi_cv_dbfatal="no"], [vi_cv_dbfatal="yes"])
if test "$vi_cv_dbfatal" = "yes"; then
AC_MSG_ERROR([Need DB 3.])
fi
LIBS="$SAVELIBS"
fi
LDFLAGS="$SAVELDFLAGS"
AC_SUBST(dl_src)
AC_MSG_CHECKING(if --enable-dynamic-loading option specified)
AC_ARG_ENABLE(dynamic-loading,
[ --enable-dynamic-loading Load DB 3 dynamically.],
[vi_cv_dl=$enableval], [vi_cv_dl="no"])
AC_MSG_RESULT($vi_cv_dl)
if test "$vi_cv_dl" = yes; then
AC_CHECK_LIB(dl, dlopen,
[vi_cv_dlfatal="no"], [vi_cv_dlfatal="yes"])
if test "$vi_cv_dlfatal" = "yes"; then
AC_MSG_ERROR([Need dl to support dynamic loading.])
fi
OLDPATH="$PATH"
PATH="$with_db_prefix/lib:/usr/lib:/lib"
AC_PATH_PROG(vi_cv_path_db3, libdb-3.so, no)
if test "$vi_cv_path_db3" = no; then
AC_MSG_ERROR([Path of libdb-3.so not found.])
fi
PATH="$OLDPATH"
AC_DEFINE(USE_DYNAMIC_LOADING)
LIBOBJS="dldb.o $LIBOBJS"
dl_src=../common/dldb.c
LIBS="-ldl $LIBS"
else
LIBS="-ldb $LIBS"
if test "X$with_db_prefix" != "X"; then
LDFLAGS="`echo $with_db_prefix/lib | sed "$LRscript"` $LDFLAGS"
fi
fi
AC_ARG_WITH(db_build,
[ --with-db-build=prefix Path to db build. ])
if test "x$with_db_build" != "x"; then
vi_cv_dbsrc=`$AWK '/^srcdir/ {gsub("srcdir[[ \t]]*=","");print $1}' \
$with_db_build/Makefile`
case $with_db_build in
*[[\\/]]);;
*)
with_db_build="$with_db_build/";;
esac
case $vi_cv_dbsrc in
[[\\/]]*);;
*)
vi_cv_dbsrc="$with_db_build$vi_cv_dbsrc";;
esac
fi;
vi_cv_db4="no"
AC_ARG_ENABLE(log4,
[ --enable-db4-logging Enable experimental/broken db4 logging.],
[
AC_MSG_CHECKING(for DB 4)
AC_EGREP_CPP([^4],
[#include <db.h>
DB_VERSION_MAJOR],
[vi_cv_db4="yes"], [vi_cv_db4="no"])
AC_MSG_RESULT($vi_cv_db4)
])
if test "$vi_cv_db4" = "yes"; then
CPPFLAGS="-I$vi_cv_dbsrc/include $CPPFLAGS"
CPPFLAGS="-I$vi_cv_dbsrc/include_auto $CPPFLAGS"
CPPFLAGS="-I$with_db_build $CPPFLAGS"
AC_DEFINE(USE_DB4_LOGGING)
LIBOBJS="log4.o vi_auto.o vi_rec.o $LIBOBJS"
else
LIBOBJS="log.o $LIBOBJS"
fi
dnl We compile in nvi's RE routines unless the user specifies otherwise.
AC_MSG_CHECKING(if --disable-re option specified)
AC_ARG_ENABLE(re,
[ --disable-re DON'T use the nvi-provided RE routines.],
[if test "$enable_re" = "yes"; then
vi_cv_re_lib="bundled RE"
else
vi_cv_re_lib="other RE"
fi],[vi_cv_re_lib="bundled RE"])
AC_MSG_RESULT($vi_cv_re_lib)
case "$vi_cv_re_lib" in
"bundled RE")
CPPFLAGS="-I\$(visrcdir)/regex $CPPFLAGS"
LIBOBJS="regcomp.o regerror.o regexec.o regfree.o $LIBOBJS";;
"other RE")
;;
esac
AC_OUTPUT(Makefile port.h:port.h.in
pathnames.h:pathnames.h.in recover:recover.in)