Proper use of sequences in coroutine tests - Nim - This repository contains the Nim compiler, Nim's stdlib, tools, and documentation. (mirror)

diff options

author	Rokas Kupstys <rokups@zoho.com>	2017-02-24 10:51:54 +0200
committer	Rokas Kupstys <rokups@zoho.com>	2017-02-24 10:51:54 +0200
commit	9df0000621d528309cdaae67e0d203d9fdff57c3 (patch)
tree	4a7f09385b65793916118fb59c4763ee32ec74ed /compiler/treetab.nim
parent	5aef77a3d3a0c2c8997fbb08163c0730a2742784 (diff)
download	Nim-9df0000621d528309cdaae67e0d203d9fdff57c3.tar.gz

Proper use of sequences in coroutine tests

Diffstat (limited to 'compiler/treetab.nim')

0 files changed, 0 insertions, 0 deletions

dnl Macros for auto-configure script. dnl by T.E.Dickey <dickey@clark.net> dnl and Jim Spath <jspath@mail.bcpl.lib.md.us> dnl and Philippe De Muyter <phdm@macqel.be> dnl dnl Created: 1997/1/28 dnl Updated: 1998/12/11 dnl dnl --------------------------------------------------------------------------- dnl --------------------------------------------------------------------------- dnl AC_DEFUN(AM_GNU_GETTEXT, [AC_REQUIRE([AC_PROG_MAKE_SET])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_RANLIB])dnl AC_REQUIRE([AC_ISC_POSIX])dnl AC_REQUIRE([AC_HEADER_STDC])dnl AC_REQUIRE([AC_C_CONST])dnl AC_REQUIRE([AC_C_INLINE])dnl AC_REQUIRE([AC_TYPE_OFF_T])dnl AC_REQUIRE([AC_TYPE_SIZE_T])dnl AC_REQUIRE([AC_FUNC_ALLOCA])dnl AC_REQUIRE([AC_FUNC_MMAP])dnl AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h string.h \ unistd.h values.h sys/param.h]) AC_CHECK_FUNCS([getcwd munmap putenv setenv setlocale strchr strcasecmp \ __argz_count __argz_stringify __argz_next]) if test "${ac_cv_func_stpcpy+set}" != "set"; then AC_CHECK_FUNCS(stpcpy) fi if test "${ac_cv_func_stpcpy}" = "yes"; then AC_DEFINE(HAVE_STPCPY) fi AM_LC_MESSAGES AM_WITH_NLS if test "x$CATOBJEXT" != "x"; then if test "x$ALL_LINGUAS" = "x"; then LINGUAS= else AC_MSG_CHECKING(for catalogs to be installed) NEW_LINGUAS= for lang in ${LINGUAS=$ALL_LINGUAS}; do case "$ALL_LINGUAS" in *$lang*) NEW_LINGUAS="$NEW_LINGUAS $lang" ;; esac done LINGUAS=$NEW_LINGUAS AC_MSG_RESULT($LINGUAS) fi dnl Construct list of names of catalog files to be constructed. if test -n "$LINGUAS"; then for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done fi fi dnl The reference to <locale.h> in the installed <libintl.h> file dnl must be resolved because we cannot expect the users of this dnl to define HAVE_LOCALE_H. if test $ac_cv_header_locale_h = yes; then INCLUDE_LOCALE_H="#include <locale.h>" else INCLUDE_LOCALE_H="\ /* The system does not provide the header <locale.h>. Take care of it yourself. */" fi AC_SUBST(INCLUDE_LOCALE_H) dnl Determine which catalog format we have (if any is needed) dnl For now we know about two different formats: dnl Linux libc-5 and the normal X/Open format if test "$USE_NLS" = "yes"; then test -d intl || mkdir intl if test "$CATOBJEXT" = ".cat"; then AC_CHECK_HEADER(linux/version.h, msgformat=linux, msgformat=xopen) dnl Transform the SED scripts while copying because some dumb SEDs dnl cannot handle comments. sed -e '/^#/d' $srcdir/intl/$msgformat-msg.sed > intl/po2msg.sed fi dnl po2tbl.sed is always needed. rm -f intl/po2tbl.sed sed -e '/^#.*[^\\]$/d' -e '/^#$/d' \ $srcdir/intl/po2tbl.sed.in > intl/po2tbl.sed fi dnl In the intl/makefile.in we have a special dependency which only dnl makes sense for gettext. We comment this out for non-gettext dnl packages. if test "$PACKAGE" = "gettext"; then GT_NO="#NO#" GT_YES= else GT_NO= GT_YES="#YES#" fi AC_SUBST(GT_NO) AC_SUBST(GT_YES) dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly dnl find the mkinstalldirs script in another subdir but ($top_srcdir). dnl Try to locate it. dnl changed mkinstalldirs to mkdirs.sh for Lynx /je spath 1998-Aug-21 MKINSTALLDIRS= if test -n "$ac_aux_dir"; then MKINSTALLDIRS="$ac_aux_dir/mkdirs.sh" fi if test -z "$MKINSTALLDIRS"; then MKINSTALLDIRS="\$(top_srcdir)/mkdirs.sh" fi AC_SUBST(MKINSTALLDIRS) dnl *** For now the libtool support in intl/makefile is not for real. l= AC_SUBST(l) dnl Generate list of files to be processed by xgettext which will dnl be included in po/makefile. if test "x$srcdir" != "x."; then if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then posrcprefix="$srcdir/" else posrcprefix="../$srcdir/" fi else posrcprefix="../" fi if test "$USE_NLS" = "yes"; then test -d po || mkdir po rm -f po/POTFILES sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," -e "\$s/$.*$ \\\\/\1/" \ < $srcdir/po/POTFILES.in > po/POTFILES fi ])dnl dnl --------------------------------------------------------------------------- dnl dnl Check whether LC_MESSAGES is available in <locale.h>. dnl Ulrich Drepper <drepper@cygnus.com>, 1995. dnl dnl This file can be copied and used freely without restrictions. It can dnl be used in projects which are not available under the GNU Public License dnl but which still want to provide support for the GNU gettext functionality. dnl Please note that the actual code is *not* freely available. dnl dnl serial 1 dnl AC_DEFUN(AM_LC_MESSAGES, [if test $ac_cv_header_locale_h = yes; then AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES, [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES], am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)]) if test $am_cv_val_LC_MESSAGES = yes; then AC_DEFINE(HAVE_LC_MESSAGES) fi fi]) dnl --------------------------------------------------------------------------- dnl Search path for a program which passes the given test. dnl Ulrich Drepper <drepper@cygnus.com>, 1996. dnl dnl This file can be copied and used freely without restrictions. It can dnl be used in projects which are not available under the GNU Public License dnl but which still want to provide support for the GNU gettext functionality. dnl Please note that the actual code is *not* freely available. dnl dnl serial 1 dnl dnl dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) AC_DEFUN(AM_PATH_PROG_WITH_TEST, [# Extract the first word of "$2", so it can be a program name with args. set dummy $2; ac_word=[$]2 AC_MSG_CHECKING([for $ac_word]) AC_CACHE_VAL(ac_cv_path_$1, [case "[$]$1" in /*) ac_cv_path_$1="[$]$1" # Let the user override the test with a path. ;; *) IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in ifelse([$5], , $PATH, [$5]); do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/$ac_word; then if [$3]; then ac_cv_path_$1="$ac_dir/$ac_word" break fi fi done IFS="$ac_save_ifs" dnl If no 4th arg is given, leave the cache variable unset, dnl so AC_PATH_PROGS will keep looking. ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4" ])dnl ;; esac])dnl $1="$ac_cv_path_$1" if test -n "[$]$1"; then AC_MSG_RESULT([$]$1) else AC_MSG_RESULT(no) fi AC_SUBST($1)dnl ]) dnl --------------------------------------------------------------------------- dnl gettext macros from hello-1.3.16 dnl provided courtesy if Karl Eichwalder <ke@suse.de> dnl dnl dnl Macro to add for using GNU gettext. dnl Ulrich Drepper <drepper@cygnus.com>, 1995. dnl dnl This file can be copied and used freely without restrictions. It can dnl be used in projects which are not available under the GNU Public License dnl but which still want to provide support for the GNU gettext functionality. dnl Please note that the actual code is *not* freely available. dnl dnl serial 3 dnl AC_DEFUN(AM_WITH_NLS, [AC_MSG_CHECKING([whether NLS is requested]) dnl Default is enabled NLS AC_ARG_ENABLE(nls, [ --enable-nls use Native Language Support], USE_NLS=$enableval, USE_NLS=no) AC_MSG_RESULT($USE_NLS) AC_SUBST(USE_NLS) USE_INCLUDED_LIBINTL=no dnl If we use NLS figure out what method if test "$USE_NLS" = "yes"; then AC_DEFINE(ENABLE_NLS) AC_MSG_CHECKING([whether included gettext is requested]) AC_ARG_WITH(included-gettext, [ --with-included-gettext use the GNU gettext library included here], nls_cv_force_use_gnu_gettext=$withval, nls_cv_force_use_gnu_gettext=yes) AC_MSG_RESULT($nls_cv_force_use_gnu_gettext) nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext" if test "$nls_cv_force_use_gnu_gettext" != "yes"; then dnl User does not insist on using GNU NLS library. Figure out what dnl to use. If gettext or catgets are available (in this order) we dnl use this. Else we have to fall back to GNU NLS library. dnl catgets is only used if permitted by option --with-catgets. nls_cv_header_intl= nls_cv_header_libgt= CATOBJEXT=NONE AC_CHECK_HEADER(libintl.h, [AC_CACHE_CHECK([for gettext in libc], gt_cv_func_gettext_libc, [AC_TRY_LINK([#include <libintl.h>], [return (int) gettext ("")], gt_cv_func_gettext_libc=yes, gt_cv_func_gettext_libc=no)]) if test "$gt_cv_func_gettext_libc" != "yes"; then AC_CHECK_LIB(intl, bindtextdomain, [AC_CACHE_CHECK([for gettext in libintl], gt_cv_func_gettext_libintl, [AC_TRY_LINK([], [return (int) gettext ("")], gt_cv_func_gettext_libintl=yes, gt_cv_func_gettext_libintl=no)])]) fi if test "$gt_cv_func_gettext_libc" = "yes" \ || test "$gt_cv_func_gettext_libintl" = "yes"; then AC_DEFINE(HAVE_GETTEXT) AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl if test "$MSGFMT" != "no"; then AC_CHECK_FUNCS(dcgettext) AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) AC_TRY_LINK(, [extern int _nl_msg_cat_cntr; return _nl_msg_cat_cntr], [CATOBJEXT=.gmo DATADIRNAME=share], [CATOBJEXT=.mo DATADIRNAME=lib]) INSTOBJEXT=.mo fi fi ]) if test "$CATOBJEXT" = "NONE"; then AC_MSG_CHECKING([whether catgets can be used]) AC_ARG_WITH(catgets, [ --with-catgets use catgets functions if available], nls_cv_use_catgets=$withval, nls_cv_use_catgets=no) AC_MSG_RESULT($nls_cv_use_catgets) if test "$nls_cv_use_catgets" = "yes"; then dnl No gettext in C library. Try catgets next. AC_CHECK_LIB(i, main) AC_CHECK_FUNC(catgets, [AC_DEFINE(HAVE_CATGETS) INTLOBJS="\$(CATOBJS)" AC_PATH_PROG(GENCAT, gencat, no)dnl if test "$GENCAT" != "no"; then AC_PATH_PROG(GMSGFMT, gmsgfmt, no) if test "$GMSGFMT" = "no"; then AM_PATH_PROG_WITH_TEST(GMSGFMT, msgfmt, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no) fi AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) USE_INCLUDED_LIBINTL=yes CATOBJEXT=.cat INSTOBJEXT=.cat DATADIRNAME=lib INTLDEPS='$(top_builddir)/intl/libintl.a' INTLLIBS=$INTLDEPS LIBS=`echo $LIBS | sed -e 's/-lintl//'` nls_cv_header_intl=intl/libintl.h nls_cv_header_libgt=intl/libgettext.h fi]) fi fi if test "$CATOBJEXT" = "NONE"; then dnl Neither gettext nor catgets in included in the C library. dnl Fall back on GNU gettext library. nls_cv_use_gnu_gettext=yes fi fi if test "$nls_cv_use_gnu_gettext" = "yes"; then dnl Mark actions used to generate GNU NLS library. INTLOBJS="\$(GETTOBJS)" AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt) AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :) AC_SUBST(MSGFMT) USE_INCLUDED_LIBINTL=yes CATOBJEXT=.gmo INSTOBJEXT=.mo DATADIRNAME=share INTLDEPS='$(top_builddir)/intl/libintl.a' INTLLIBS=$INTLDEPS LIBS=`echo $LIBS | sed -e 's/-lintl//'` nls_cv_header_intl=intl/libintl.h nls_cv_header_libgt=intl/libgettext.h fi dnl Test whether we really found GNU xgettext. if test "$XGETTEXT" != ":"; then dnl If it is no GNU xgettext we define it as : so that the dnl makefiles still can work. if $XGETTEXT --omit-header /dev/null 2> /dev/null; then : ; else AC_MSG_RESULT( [found xgettext programs is not GNU xgettext; ignore it]) XGETTEXT=":" fi fi # We need to process the po/ directory. POSUB=po else DATADIRNAME=share nls_cv_header_intl=intl/libintl.h nls_cv_header_libgt=intl/libgettext.h fi # If this is used in GNU gettext we have to set USE_NLS to `yes' # because some of the sources are only built for this goal. if test "$PACKAGE" = gettext; then USE_NLS=yes USE_INCLUDED_LIBINTL=yes fi dnl These rules are solely for the distribution goal. While doing this dnl we only have to keep exactly one list of the available catalogs dnl in configure.in. for lang in $ALL_LINGUAS; do GMOFILES="$GMOFILES $lang.gmo" POFILES="$POFILES $lang.po" done dnl Make all variables we use known to autoconf. AC_SUBST(USE_INCLUDED_LIBINTL) AC_SUBST(CATALOGS) AC_SUBST(CATOBJEXT) AC_SUBST(DATADIRNAME) AC_SUBST(GMOFILES) AC_SUBST(INSTOBJEXT) AC_SUBST(INTLDEPS) AC_SUBST(INTLLIBS) AC_SUBST(INTLOBJS) AC_SUBST(POFILES) AC_SUBST(POSUB) ]) dnl --------------------------------------------------------------------------- dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's dnl redundant. We don't normally need to add -I/usr/local/include for gcc, dnl but old versions (and some misinstalled ones) need that. AC_DEFUN([CF_ADD_INCDIR], [ for cf_add_incdir in $1 do while true do case $cf_add_incdir in /usr/include) # (vi ;; *) # (vi CPPFLAGS="$CPPFLAGS -I$cf_add_incdir" ;; esac cf_top_incdir=`echo $cf_add_incdir | sed -e 's:/include/.*$:/include:'` test "$cf_top_incdir" = "$cf_add_incdir" && break cf_add_incdir="$cf_top_incdir" done done ])dnl dnl --------------------------------------------------------------------------- dnl Check for existence of alternate-character-set support in curses, so we dnl can decide to use it for box characters. dnl AC_DEFUN([CF_ALT_CHAR_SET], [ AC_MSG_CHECKING([if curses supports alternate-character set]) AC_CACHE_VAL(cf_cv_alt_char_set,[ for mapname in acs_map _acs_map do AC_TRY_LINK([ #include <${cf_cv_ncurses_header-curses.h}> ],[chtype x = $mapname['l']; $mapname['m'] = 0], [cf_cv_alt_char_set=$mapname break], [cf_cv_alt_char_set=no]) done ]) AC_MSG_RESULT($cf_cv_alt_char_set) test $cf_cv_alt_char_set != no && AC_DEFINE_UNQUOTED(ALT_CHAR_SET,$cf_cv_alt_char_set) ])dnl dnl --------------------------------------------------------------------------- dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES' dnl in the sharutils 4.2 distribution. AC_DEFUN([CF_ANSI_CC_CHECK], [ AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C) AC_CACHE_VAL(cf_cv_ansi_cc,[ cf_cv_ansi_cc=no cf_save_CFLAGS="$CFLAGS" # Don't try gcc -ansi; that turns off useful extensions and # breaks some systems' header files. # AIX -qlanglvl=ansi # Ultrix and OSF/1 -std1 # HP-UX -Aa -D_HPUX_SOURCE # SVR4 -Xc # UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes) for cf_arg in "-DCC_HAS_PROTOS" \ "" \ -qlanglvl=ansi \ -std1 \ "-Aa -D_HPUX_SOURCE +e" \ "-Aa -D_HPUX_SOURCE" \ -Xc do CFLAGS="$cf_save_CFLAGS $cf_arg" AC_TRY_COMPILE( [ #ifndef CC_HAS_PROTOS #if !defined(__STDC__) || __STDC__ != 1 choke me #endif #endif ],[ int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);};], [cf_cv_ansi_cc="$cf_arg"; break]) done CFLAGS="$cf_save_CFLAGS" ]) AC_MSG_RESULT($cf_cv_ansi_cc) if test "$cf_cv_ansi_cc" != "no"; then if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then CFLAGS="$CFLAGS $cf_cv_ansi_cc" else AC_DEFINE(CC_HAS_PROTOS) fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Allow user to disable a normally-on option. AC_DEFUN([CF_ARG_DISABLE], [CF_ARG_OPTION($1,[$2 (default: on)],[$3],[$4],yes)])dnl dnl --------------------------------------------------------------------------- dnl Allow user to enable a normally-off option. AC_DEFUN([CF_ARG_ENABLE], [CF_ARG_OPTION($1,[$2 (default: off)],[$3],[$4],no)])dnl dnl --------------------------------------------------------------------------- dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus dnl values. dnl dnl Parameters: dnl $1 = option name dnl $2 = help-string dnl $3 = action to perform if option is not default dnl $4 = action if perform if option is default dnl $5 = default option value (either 'yes' or 'no') AC_DEFUN([CF_ARG_OPTION], [AC_ARG_ENABLE($1,[$2],[test "$enableval" != ifelse($5,no,yes,no) && enableval=ifelse($5,no,no,yes) if test "$enableval" != "$5" ; then ifelse($3,,[ :]dnl ,[ $3]) ifelse($4,,,[ else $4]) fi],[enableval=$5 ifelse($4,,,[ $4 ])dnl ])])dnl dnl --------------------------------------------------------------------------- dnl Check if curses.h defines TRUE/FALSE (it does under SVr4). AC_DEFUN([CF_BOOL_DEFS], [ AC_MSG_CHECKING(if TRUE/FALSE are defined) AC_CACHE_VAL(cf_cv_bool_defs,[ AC_TRY_COMPILE([ #include <${cf_cv_ncurses_header-curses.h}> #include <stdio.h>],[int x = TRUE, y = FALSE], [cf_cv_bool_defs=yes], [cf_cv_bool_defs=no])]) AC_MSG_RESULT($cf_cv_bool_defs) if test "$cf_cv_bool_defs" = no ; then AC_DEFINE(TRUE,(1)) AC_DEFINE(FALSE,(0)) fi ])dnl dnl --------------------------------------------------------------------------- dnl Check for data that is usually declared in <stdio.h> or <errno.h> dnl $1 = the name to check AC_DEFUN([CF_CHECK_ERRNO], [ AC_MSG_CHECKING([declaration of $1]) AC_CACHE_VAL(cf_cv_dcl_$1,[ AC_TRY_COMPILE([ #if HAVE_STDLIB_H #include <stdlib.h> #endif #include <stdio.h> #include <sys/types.h> #include <errno.h> ], [long x = (long) $1], [eval 'cf_cv_dcl_'$1'=yes'], [eval 'cf_cv_dcl_'$1'=no]')]) eval 'cf_result=$cf_cv_dcl_'$1 AC_MSG_RESULT($cf_result) # It's possible (for near-UNIX clones) that the data doesn't exist AC_CACHE_VAL(cf_cv_have_$1,[ if test $cf_result = no ; then eval 'cf_result=DECL_'$1 CF_UPPER(cf_result,$cf_result) AC_DEFINE_UNQUOTED($cf_result) AC_MSG_CHECKING([existence of $1]) AC_TRY_LINK([ #undef $1 extern long $1; ], [$1 = 2], [eval 'cf_cv_have_'$1'=yes'], [eval 'cf_cv_have_'$1'=no']) eval 'cf_result=$cf_cv_have_'$1 AC_MSG_RESULT($cf_result) else eval 'cf_cv_have_'$1'=yes' fi ]) eval 'cf_result=HAVE_'$1 CF_UPPER(cf_result,$cf_result) eval 'test $cf_cv_have_'$1' = yes && AC_DEFINE_UNQUOTED($cf_result)' ])dnl dnl --------------------------------------------------------------------------- dnl Check if a function is declared by including a set of include files. dnl Invoke the corresponding actions according to whether it is found or not. dnl dnl Gcc (unlike other compilers) will only warn about the miscast assignment dnl in the first test, but most compilers will oblige with an error in the dnl second test. dnl dnl CF_CHECK_FUNCDECL(INCLUDES, FUNCTION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) AC_DEFUN([CF_CHECK_FUNCDECL], [ AC_MSG_CHECKING([for $2 declaration]) AC_CACHE_VAL(ac_cv_func_decl_$2, [AC_TRY_COMPILE([$1], [#ifndef ${ac_func} extern int ${ac_func}(); #endif],[ AC_TRY_COMPILE([$1], [#ifndef ${ac_func} int (*p)() = ${ac_func}; #endif],[ eval "ac_cv_func_decl_$2=yes"],[ eval "ac_cv_func_decl_$2=no"])],[ eval "ac_cv_func_decl_$2=yes"])]) if eval "test \"`echo '$ac_cv_func_'decl_$2`\" = yes"; then AC_MSG_RESULT(yes) ifelse([$3], , :, [$3]) else AC_MSG_RESULT(no) ifelse([$4], , , [$4 ])dnl fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if functions are declared by including a set of include files. dnl and define DECL_XXX if not. dnl dnl CF_CHECK_FUNCDECLS(INCLUDES, FUNCTION... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) AC_DEFUN([CF_CHECK_FUNCDECLS], [for ac_func in $2 do CF_CHECK_FUNCDECL([$1], $ac_func, [$3], [ CF_UPPER(ac_tr_func,DECL_$ac_func) AC_DEFINE_UNQUOTED($ac_tr_func) $4])dnl done ])dnl dnl --------------------------------------------------------------------------- dnl Check if curses supports color. (Note that while SVr3 curses supports dnl color, it does this differently from SVr4 curses; more work would be needed dnl to accommodate SVr3). dnl AC_DEFUN([CF_COLOR_CURSES], [ AC_MSG_CHECKING(if curses supports color attributes) AC_CACHE_VAL(cf_cv_color_curses,[ AC_TRY_LINK([ #include <${cf_cv_ncurses_header-curses.h}> ], [chtype x = COLOR_BLUE; has_colors(); start_color(); #ifndef NCURSES_BROKEN wbkgd(curscr, getbkgd(stdscr)); /* X/Open XPG4 aka SVr4 Curses */ #endif ], [cf_cv_color_curses=yes], [cf_cv_color_curses=no]) ]) AC_MSG_RESULT($cf_cv_color_curses) if test $cf_cv_color_curses = yes ; then AC_DEFINE(COLOR_CURSES) test ".$cf_cv_ncurses_broken" != .yes && AC_DEFINE(HAVE_GETBKGD) fi ]) dnl --------------------------------------------------------------------------- dnl Look for the curses libraries. Older curses implementations may require dnl termcap/termlib to be linked as well. AC_DEFUN([CF_CURSES_LIBS],[ AC_CHECK_FUNC(initscr,,[ case $host_os in #(vi freebsd*) #(vi AC_CHECK_LIB(mytinfo,tgoto,[LIBS="-lmytinfo $LIBS"]) ;; hpux10.*) AC_CHECK_LIB(cur_colr,initscr,[ LIBS="-lcur_colr $LIBS" CFLAGS="-I/usr/include/curses_colr $CFLAGS" ac_cv_func_initscr=yes ],[ AC_CHECK_LIB(Hcurses,initscr,[ # HP's header uses __HP_CURSES, but user claims _HP_CURSES. LIBS="-lHcurses $LIBS" CFLAGS="-D__HP_CURSES -D_HP_CURSES $CFLAGS" ac_cv_func_initscr=yes ])]) ;; linux*) # Suse Linux does not follow /usr/lib convention LIBS="$LIBS -L/lib" ;; esac if test ".$With5lib" != ".no" ; then if test -d /usr/5lib ; then # SunOS 3.x or 4.x CPPFLAGS="$CPPFLAGS -I/usr/5include" LIBS="$LIBS -L/usr/5lib" fi fi if test ".$ac_cv_func_initscr" != .yes ; then cf_save_LIBS="$LIBS" cf_term_lib="" cf_curs_lib="" # Check for library containing tgoto. Do this before curses library # because it may be needed to link the test-case for initscr. AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[ for cf_term_lib in termcap termlib unknown do AC_CHECK_LIB($cf_term_lib,tgoto,[break]) done ]) # Check for library containing initscr test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS" for cf_curs_lib in cursesX curses ncurses xcurses jcurses unknown do AC_CHECK_LIB($cf_curs_lib,initscr,[break]) done test $cf_curs_lib = unknown && AC_ERROR(no curses library found) LIBS="-l$cf_curs_lib $cf_save_LIBS" if test "$cf_term_lib" = unknown ; then AC_MSG_CHECKING(if we can link with $cf_curs_lib library) AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [initscr()], [cf_result=yes], [cf_result=no]) AC_MSG_RESULT($cf_result) test $cf_result = no && AC_ERROR(Cannot link curses library) elif test "$cf_term_lib" != predefined ; then AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries) AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [initscr(); tgoto((char *)0, 0, 0);], [cf_result=no], [ LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS" AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [initscr()], [cf_result=yes], [cf_result=error]) ]) AC_MSG_RESULT($cf_result) fi fi ])]) dnl --------------------------------------------------------------------------- dnl Solaris 2.x curses provides a "performance" tradeoff according to whether dnl CURS_PERFORMANCE is defined. If defined, the implementation defines macros dnl that access the WINDOW structure. Otherwise, function calls are used. AC_DEFUN([CF_CURS_PERFORMANCE], [ AC_MSG_CHECKING([for curses performance tradeoff]) AC_CACHE_VAL(cf_cv_curs_performance,[ cf_cv_curs_performance=no AC_TRY_COMPILE([ #include <${cf_cv_ncurses_header-curses.h}>],[ #if defined(wbkgdset) && defined(clearok) && defined(getbkgd) int x = ERR; #else int x = ; /* force an error */ #endif ],[ AC_TRY_COMPILE([ #define CURS_PERFORMANCE #include <${cf_cv_ncurses_header-curses.h}>],[ #if defined(wbkgdset) && defined(clearok) && defined(getbkgd) int x = ; /* force an error */ #else int x = ERR; #endif ],[cf_cv_curs_performance=yes])])]) AC_MSG_RESULT($cf_cv_curs_performance) test $cf_cv_curs_performance = yes && AC_DEFINE(CURS_PERFORMANCE) ])dnl dnl --------------------------------------------------------------------------- dnl Check for a program in the given list $3, defining the corresponding dnl program variable $2. dnl AC_DEFUN([CF_DEFINE_PROG],[ AC_MSG_CHECKING(for $1) AC_CACHE_VAL(cf_cv_$2,[ cf_cv_$2=unknown for cv_path in $3 do if test -f $cv_path ; then cf_cv_$2=$cv_path break fi done ]) AC_MSG_RESULT($cf_cv_$2) AC_DEFINE_UNQUOTED($2,"$cf_cv_$2") ]) dnl --------------------------------------------------------------------------- dnl You can always use "make -n" to see the actual options, but it's hard to dnl pick out/analyze warning messages when the compile-line is long. dnl dnl Sets: dnl ECHO_LD - symbol to prefix "cc -o" lines dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o) dnl SHOW_CC - symbol to put before explicit "cc -c" lines dnl ECHO_CC - symbol to put before any "cc" line dnl AC_DEFUN([CF_DISABLE_ECHO],[ AC_MSG_CHECKING(if you want to see long compiling messages) CF_ARG_DISABLE(echo, [ --disable-echo test: display "compiling" commands], [ ECHO_LD='@echo linking [$]@;' RULE_CC=' @echo compiling [$]<' SHOW_CC=' @echo compiling [$]@' ECHO_CC='@' ],[ ECHO_LD='' RULE_CC='# compiling' SHOW_CC='# compiling' ECHO_CC='' ]) AC_MSG_RESULT($enableval) AC_SUBST(ECHO_LD) AC_SUBST(RULE_CC) AC_SUBST(SHOW_CC) AC_SUBST(ECHO_CC) ])dnl dnl --------------------------------------------------------------------------- dnl Check whether character set is EBCDIC. AC_DEFUN([CF_EBCDIC],[ AC_MSG_CHECKING(if character set is EBCDIC) AC_CACHE_VAL(cf_cv_ebcdic,[ AC_TRY_COMPILE([ ], [ /* TryCompile function for CharSet. Treat any failure as ASCII for compatibility with existing art. Use compile-time rather than run-time tests for cross-compiler tolerance. */ #if '0'!=240 #error "Character set is not EBCDIC" #endif ], [ # TryCompile action if true cf_cv_ebcdic=yes ], [ # TryCompile action if false cf_cv_ebcdic=no]) # end of TryCompile ]) # end of CacheVal CvEbcdic AC_MSG_RESULT($cf_cv_ebcdic) case "$cf_cv_ebcdic" in #(vi yes) AC_DEFINE(EBCDIC) AC_DEFINE(NOT_ASCII);; #(vi *) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl Check if 'errno' is declared in <errno.h> AC_DEFUN([CF_ERRNO], [ CF_CHECK_ERRNO(errno) ])dnl dnl --------------------------------------------------------------------------- AC_DEFUN([CF_FANCY_CURSES], [ AC_MSG_CHECKING(if curses supports fancy attributes) AC_CACHE_VAL(cf_cv_fancy_curses,[ AC_TRY_LINK([ #include <${cf_cv_ncurses_header-curses.h}> ], [attrset(A_UNDERLINE|A_BOLD|A_REVERSE); wattrset(stdscr, A_BLINK|A_DIM); attroff(A_BOLD); keypad(stdscr,TRUE); ], [cf_cv_fancy_curses=yes], [cf_cv_fancy_curses=no]) ]) AC_MSG_RESULT($cf_cv_fancy_curses) test $cf_cv_fancy_curses = yes && AC_DEFINE(FANCY_CURSES) ]) dnl --------------------------------------------------------------------------- dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We dnl prefer a standard location, and use -L options only if we do not find the dnl library in the standard library location(s). dnl $1 = library name dnl $2 = includes dnl $3 = code fragment to compile/link dnl $4 = corresponding function-name dnl dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had dnl to use a -L option. AC_DEFUN([CF_FIND_LIBRARY], [ cf_cv_have_lib_$1=no cf_libdir="" AC_CHECK_FUNC($4,cf_cv_have_lib_$1=yes,[ cf_save_LIBS="$LIBS" AC_MSG_CHECKING(for $4 in -l$1) LIBS="-l$1 $LIBS" AC_TRY_LINK([$2],[$3], [AC_MSG_RESULT(yes) cf_cv_have_lib_$1=yes ], [AC_MSG_RESULT(no) CF_LIBRARY_PATH(cf_search,$1) for cf_libdir in $cf_search do AC_MSG_CHECKING(for -l$1 in $cf_libdir) LIBS="-L$cf_libdir -l$1 $cf_save_LIBS" AC_TRY_LINK([$2],[$3], [AC_MSG_RESULT(yes) cf_cv_have_lib_$1=yes break], [AC_MSG_RESULT(no) LIBS="$cf_save_LIBS"]) done ]) ]) if test $cf_cv_have_lib_$1 = no ; then AC_ERROR(Cannot link $1 library) fi case $host_os in #(vi linux*) # Suse Linux does not follow /usr/lib convention LIBS="$LIBS -L/lib" ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl Check for availability of fcntl versus ioctl(,FIONBIO,). Lynx uses this dnl for Sequent (ptx), and it is needed for OS/2 EMX. AC_DEFUN([CF_FIONBIO], [ AC_CACHE_CHECK(if we should use fcntl or ioctl,cf_cv_fionbio,[ AC_TRY_LINK([ #include <sys/types.h> #include <sys/ioctl.h> ],[ int ret = ioctl(0, FIONBIO, (char *)0); ],[cf_cv_fionbio=ioctl],[ AC_TRY_LINK([ #include <sys/types.h> #if HAVE_FCNTL_H #include <fcntl.h> #else #if HAVE_SYS_FCNTL_H #include <sys/fcntl.h> #endif #endif],[ int ret = fcntl(0, F_SETFL, O_NONBLOCK); ], [cf_cv_fionbio=fcntl], [cf_cv_fionbio=unknown])]) ]) test "$cf_cv_fionbio" = "fcntl" && AC_DEFINE(USE_FCNTL) ])dnl dnl --------------------------------------------------------------------------- dnl A conventional existence-check for 'lstat' won't work with the Linux dnl version of gcc 2.7.0, since the symbol is defined only within <sys/stat.h> dnl as an inline function. dnl dnl So much for portability. AC_DEFUN([CF_FUNC_LSTAT], [ AC_MSG_CHECKING(for lstat) AC_CACHE_VAL(ac_cv_func_lstat,[ AC_TRY_LINK([ #include <sys/types.h> #include <sys/stat.h>], [lstat(".", (struct stat *)0)], [ac_cv_func_lstat=yes], [ac_cv_func_lstat=no]) ]) AC_MSG_RESULT($ac_cv_func_lstat ) if test $ac_cv_func_lstat = yes; then AC_DEFINE(HAVE_LSTAT) fi ])dnl dnl --------------------------------------------------------------------------- dnl Test for the presence of <sys/wait.h>, 'union wait', arg-type of 'wait()' dnl and/or 'waitpid()'. dnl dnl Note that we cannot simply grep for 'union wait' in the wait.h file, dnl because some Posix systems turn this on only when a BSD variable is dnl defined. dnl dnl I don't use AC_HEADER_SYS_WAIT, because it defines HAVE_SYS_WAIT_H, which dnl would conflict with an attempt to test that header directly. dnl AC_DEFUN([CF_FUNC_WAIT], [ AC_REQUIRE([CF_UNION_WAIT]) if test $cf_cv_type_unionwait = yes; then AC_MSG_CHECKING(if union wait can be used as wait-arg) AC_CACHE_VAL(cf_cv_arg_union_wait,[ AC_TRY_COMPILE($cf_wait_headers, [union wait x; wait(&x)], [cf_cv_arg_union_wait=yes], [cf_cv_arg_union_wait=no]) ]) AC_MSG_RESULT($cf_cv_arg_union_wait) test $cf_cv_arg_union_wait = yes && AC_DEFINE(WAIT_USES_UNION) AC_MSG_CHECKING(if union wait can be used as waitpid-arg) AC_CACHE_VAL(cf_cv_arg_union_waitpid,[ AC_TRY_COMPILE($cf_wait_headers, [union wait x; waitpid(0, &x, 0)], [cf_cv_arg_union_waitpid=yes], [cf_cv_arg_union_waitpid=no]) ]) AC_MSG_RESULT($cf_cv_arg_union_waitpid) test $cf_cv_arg_union_waitpid = yes && AC_DEFINE(WAITPID_USES_UNION) fi ])dnl dnl --------------------------------------------------------------------------- dnl Test for availability of useful gcc __attribute__ directives to quiet dnl compiler warnings. Though useful, not all are supported -- and contrary dnl to documentation, unrecognized directives cause older compilers to barf. AC_DEFUN([CF_GCC_ATTRIBUTES], [ if test -n "$GCC" then cat > conftest.i <<EOF #ifndef GCC_PRINTF #define GCC_PRINTF 0 #endif #ifndef GCC_SCANF #define GCC_SCANF 0 #endif #ifndef GCC_NORETURN #define GCC_NORETURN /* nothing */ #endif #ifndef GCC_UNUSED #define GCC_UNUSED /* nothing */ #endif EOF if test -n "$GCC" then AC_CHECKING([for gcc __attribute__ directives]) changequote(,)dnl cat > conftest.$ac_ext <<EOF #line __oline__ "configure" #include "confdefs.h" #include "conftest.h" #include "conftest.i" #if GCC_PRINTF #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var))) #else #define GCC_PRINTFLIKE(fmt,var) /*nothing*/ #endif #if GCC_SCANF #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var))) #else #define GCC_SCANFLIKE(fmt,var) /*nothing*/ #endif extern void wow(char *,...) GCC_SCANFLIKE(1,2); extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN; extern void foo(void) GCC_NORETURN; int main(int argc GCC_UNUSED, char *argv[] GCC_UNUSED) { return 0; } EOF changequote([,])dnl for cf_attribute in scanf printf unused noreturn do CF_UPPER(CF_ATTRIBUTE,$cf_attribute) cf_directive="__attribute__(($cf_attribute))" echo "checking for gcc $cf_directive" 1>&AC_FD_CC case $cf_attribute in scanf|printf) cat >conftest.h <<EOF #define GCC_$CF_ATTRIBUTE 1 EOF ;; *) cat >conftest.h <<EOF #define GCC_$CF_ATTRIBUTE $cf_directive EOF ;; esac if AC_TRY_EVAL(ac_compile); then test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute) cat conftest.h >>confdefs.h # else # sed -e 's/__attr.*/\/*nothing*\//' conftest.h >>confdefs.h fi done else fgrep define conftest.i >>confdefs.h fi rm -rf conftest* fi ])dnl dnl --------------------------------------------------------------------------- dnl Check if the compiler supports useful warning options. There's a few that dnl we don't use, simply because they're too noisy: dnl dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x) dnl -Wredundant-decls (system headers make this too noisy) dnl -Wtraditional (combines too many unrelated messages, only a few useful) dnl -Wwrite-strings (too noisy, but should review occasionally) dnl -pedantic dnl AC_DEFUN([CF_GCC_WARNINGS], [ if test -n "$GCC" then changequote(,)dnl cat > conftest.$ac_ext <<EOF #line __oline__ "configure" int main(int argc, char *argv[]) { return argv[argc-1] == 0; } EOF changequote([,])dnl AC_CHECKING([for gcc warning options]) cf_save_CFLAGS="$CFLAGS" EXTRA_CFLAGS="-W -Wall" cf_warn_CONST="" test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings" for cf_opt in \ Wbad-function-cast \ Wcast-align \ Wcast-qual \ Winline \ Wmissing-declarations \ Wmissing-prototypes \ Wnested-externs \ Wpointer-arith \ Wshadow \ Wstrict-prototypes $cf_warn_CONST do CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt" if AC_TRY_EVAL(ac_compile); then test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt) EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt" test "$cf_opt" = Wcast-qual && EXTRA_CFLAGS="$EXTRA_CFLAGS -DXTSTRINGDEFINES" fi done rm -f conftest* CFLAGS="$cf_save_CFLAGS" fi AC_SUBST(EXTRA_CFLAGS) ])dnl dnl --------------------------------------------------------------------------- dnl Construct a search-list for a nonstandard header-file AC_DEFUN([CF_HEADER_PATH], [$1="" if test -d "$includedir" ; then test "$includedir" != NONE && $1="[$]$1 $includedir $includedir/$2" fi if test -d "$oldincludedir" ; then test "$oldincludedir" != NONE && $1="[$]$1 $oldincludedir $oldincludedir/$2" fi if test -d "$prefix"; then test "$prefix" != NONE && $1="[$]$1 $prefix/include $prefix/include/$2" fi test "$prefix" != /usr/local && $1="[$]$1 /usr/local/include /usr/local/include/$2" test "$prefix" != /usr && $1="[$]$1 /usr/include /usr/include/$2" ])dnl dnl --------------------------------------------------------------------------- dnl Insert text into the help-message, for readability, from AC_ARG_WITH. AC_DEFUN([CF_HELP_MESSAGE], [AC_DIVERT_HELP([$1])dnl ])dnl dnl --------------------------------------------------------------------------- dnl For Lynx, check if the libraries we have found give us inet_aton, or dnl inet_addr. If not, try to find the latter function with -lbind or dnl -lresolv, and put that on the end of the libraries, i.e., after the network dnl libraries. dnl dnl FIXME: the inner cases will probably need work on the header files. AC_DEFUN([CF_INET_ADDR],[ AC_CACHE_CHECK(for inet_aton function,cf_cv_have_inet_aton,[ AC_TRY_LINK([ #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> ],[inet_aton(0, (struct in_addr *)0)], [cf_cv_have_inet_aton=yes], [cf_cv_have_inet_aton=no])]) if test "$cf_cv_have_inet_aton" = yes ; then AC_DEFINE(HAVE_INET_ATON) else AC_CACHE_CHECK(for inet_addr function,cf_cv_have_inet_addr,[ AC_TRY_LINK([ #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> ],[inet_addr(0)], [cf_cv_have_inet_addr=yes], [cf_cv_have_inet_addr=no])]) if test "$cf_cv_have_inet_addr" = no ; then AC_CACHE_CHECK(for library with inet_addr,cf_cv_lib_inet_addr,[ cf_save_LIBS="$LIBS" for cf_inetlib in -lbind -lresolv do LIBS="$cf_save_LIBS $cf_inetlib" AC_TRY_LINK([ #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> ],[inet_addr(0)], [cf_cv_lib_inet_addr=$cf_inetlib], [cf_cv_lib_inet_addr=no]) LIBS="$cf_save_LIBS" test "$cf_cv_lib_inet_addr" != no && break done ]) if test "$cf_cv_lib_inet_addr" != no ; then LIBS="$LIBS $cf_cv_lib_inet_addr" else AC_MSG_WARN(Unable to find library for inet_addr function) fi fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Construct a search-list for a nonstandard library-file AC_DEFUN([CF_LIBRARY_PATH], [$1="" if test -d "$libdir" ; then test "$libdir" != NONE && $1="[$]$1 $libdir $libdir/$2" fi if test -d "$exec_prefix"; then test "$exec_prefix" != NONE && $1="[$]$1 $exec_prefix/lib $exec_prefix/lib/$2" fi if test -d "$prefix"; then test "$prefix" != NONE && \ test "$prefix" != "$exec_prefix" && $1="[$]$1 $prefix/lib $prefix/lib/$2" fi test "$prefix" != /usr/local && $1="[$]$1 /usr/local/lib /usr/local/lib/$2" test "$prefix" != /usr && $1="[$]$1 /usr/lib /usr/lib/$2" ])dnl dnl --------------------------------------------------------------------------- dnl Check if we've got setlocale() and its header, <locale.h> AC_DEFUN([CF_LOCALE], [ AC_MSG_CHECKING(for setlocale()) AC_CACHE_VAL(cf_cv_locale,[ AC_TRY_LINK([#include <locale.h>], [setlocale(LC_ALL, "")], [cf_cv_locale=yes], [cf_cv_locale=no]) ]) AC_MSG_RESULT($cf_cv_locale) test $cf_cv_locale = yes && AC_DEFINE(LOCALE) ]) dnl --------------------------------------------------------------------------- dnl Check for the use of 'include' in 'make' (BSDI is a special case) dnl The symbol $ac_make is set in AC_MAKE_SET, as a side-effect. AC_DEFUN([CF_MAKE_INCLUDE], [ AC_MSG_CHECKING(for style of include in makefiles) make_include_left="" make_include_right="" make_include_quote="unknown" cf_inc=head$$ cf_dir=subd$$ echo 'RESULT=OK' >$cf_inc mkdir $cf_dir for cf_include in "include" ".include" "!include" do for cf_quote in '' '"' do cat >$cf_dir/makefile <<CF_EOF SHELL=/bin/sh ${cf_include} ${cf_quote}../$cf_inc${cf_quote} all : @echo 'cf_make_include=\$(RESULT)' CF_EOF cf_make_include="" eval `(cd $cf_dir && ${MAKE-make}) 2>&AC_FD_CC | grep cf_make_include=OK` if test -n "$cf_make_include"; then make_include_left="$cf_include" make_include_quote="$cf_quote" break else echo Tried 1>&AC_FD_CC cat $cf_dir/makefile 1>&AC_FD_CC fi done test -n "$cf_make_include" && break done rm -rf $cf_inc $cf_dir if test -z "$make_include_left" ; then AC_ERROR(Your $ac_make program does not support includes) fi if test ".$make_include_quote" != .unknown ; then make_include_left="$make_include_left $make_include_quote" make_include_right="$make_include_quote" fi AC_MSG_RESULT(${make_include_left}file${make_include_right}) AC_SUBST(make_include_left) AC_SUBST(make_include_right) ])dnl dnl --------------------------------------------------------------------------- dnl Check for pre-1.9.9g ncurses (among other problems, the most obvious is dnl that color combinations don't work). AC_DEFUN([CF_NCURSES_BROKEN], [ AC_REQUIRE([CF_NCURSES_VERSION]) if test "$cf_cv_ncurses_version" != no ; then AC_MSG_CHECKING(for obsolete/broken version of ncurses) AC_CACHE_VAL(cf_cv_ncurses_broken,[ AC_TRY_COMPILE([ #include <${cf_cv_ncurses_header-curses.h}>],[ #if defined(NCURSES_VERSION) && defined(wgetbkgd) make an error #else int x = 1 #endif ], [cf_cv_ncurses_broken=no], [cf_cv_ncurses_broken=yes]) ]) AC_MSG_RESULT($cf_cv_ncurses_broken) if test "$cf_cv_ncurses_broken" = yes ; then AC_MSG_WARN(hmm... you should get an up-to-date version of ncurses) AC_DEFINE(NCURSES_BROKEN) fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting dnl the CPPFLAGS variable. dnl dnl The header files may be installed as either curses.h, or ncurses.h dnl (obsolete). If not installed for overwrite, the curses.h file would be dnl in an ncurses subdirectory (e.g., /usr/include/ncurses), but someone may dnl have installed overwriting the vendor's curses. Only very old versions dnl (pre-1.9.2d, the first autoconf'd version) of ncurses don't define dnl either __NCURSES_H or NCURSES_VERSION in the header. dnl dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header dnl is already in the include-path, don't even bother with this, since we cannot dnl easily determine which file it is. In this case, it has to be <curses.h>. dnl AC_DEFUN([CF_NCURSES_CPPFLAGS], [ AC_MSG_CHECKING(for ncurses header file) AC_CACHE_VAL(cf_cv_ncurses_header,[ AC_TRY_COMPILE([#include <curses.h>],[ #ifdef NCURSES_VERSION printf("%s\n", NCURSES_VERSION); #else #ifdef __NCURSES_H printf("old\n"); #else make an error #endif #endif ], [cf_cv_ncurses_header=predefined],[ CF_HEADER_PATH(cf_search,ncurses) test -n "$verbose" && echo for cf_incdir in $cf_search do for cf_header in \ curses.h \ ncurses.h do changequote(,)dnl if egrep "NCURSES_[VH]" $cf_incdir/$cf_header 1>&AC_FD_CC 2>&1; then changequote([,])dnl cf_cv_ncurses_header=$cf_incdir/$cf_header test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG break fi test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG done test -n "$cf_cv_ncurses_header" && break done test -z "$cf_cv_ncurses_header" && AC_ERROR(not found) ])]) AC_MSG_RESULT($cf_cv_ncurses_header) AC_DEFINE(NCURSES) changequote(,)dnl cf_incdir=`echo $cf_cv_ncurses_header | sed -e 's:/[^/]*$::'` changequote([,])dnl case $cf_cv_ncurses_header in # (vi */ncurses.h) AC_DEFINE(HAVE_NCURSES_H) ;; esac case $cf_cv_ncurses_header in # (vi predefined) # (vi cf_cv_ncurses_header=curses.h ;; *) CF_ADD_INCDIR($cf_incdir) ;; esac CF_NCURSES_VERSION ])dnl dnl --------------------------------------------------------------------------- dnl Look for the ncurses library. This is a little complicated on Linux, dnl because it may be linked with the gpm (general purpose mouse) library. dnl Some distributions have gpm linked with (bsd) curses, which makes it dnl unusable with ncurses. However, we don't want to link with gpm unless dnl ncurses has a dependency, since gpm is normally set up as a shared library, dnl and the linker will record a dependency. AC_DEFUN([CF_NCURSES_LIBS], [AC_REQUIRE([CF_NCURSES_CPPFLAGS]) # This works, except for the special case where we find gpm, but # ncurses is in a nonstandard location via $LIBS, and we really want # to link gpm. cf_ncurses_LIBS="" cf_ncurses_SAVE="$LIBS" AC_CHECK_LIB(gpm,Gpm_Open, [AC_CHECK_LIB(gpm,initscr, [LIBS="$cf_ncurses_SAVE"], [cf_ncurses_LIBS="-lgpm"])]) case $host_os in #(vi freebsd*) # This is only necessary if you are linking against an obsolete # version of ncurses (but it should do no harm, since it's static). AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"]) ;; esac LIBS="$cf_ncurses_LIBS $LIBS" CF_FIND_LIBRARY(ncurses, [#include <${cf_cv_ncurses_header-curses.h}>], [initscr()], initscr) if test -n "$cf_ncurses_LIBS" ; then AC_MSG_CHECKING(if we can link ncurses without $cf_ncurses_LIBS) cf_ncurses_SAVE="$LIBS" for p in $cf_ncurses_LIBS ; do q=`echo $LIBS | sed -e 's/'$p' //' -e 's/'$p'$//'` if test "$q" != "$LIBS" ; then LIBS="$q" fi done AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) LIBS="$cf_ncurses_SAVE"]) fi ])dnl dnl --------------------------------------------------------------------------- dnl Check for the version of ncurses, to aid in reporting bugs, etc. AC_DEFUN([CF_NCURSES_VERSION], [AC_MSG_CHECKING(for ncurses version) AC_CACHE_VAL(cf_cv_ncurses_version,[ cf_cv_ncurses_version=no cf_tempfile=out$$ AC_TRY_RUN([ #include <${cf_cv_ncurses_header-curses.h}> int main() { FILE *fp = fopen("$cf_tempfile", "w"); #ifdef NCURSES_VERSION # ifdef NCURSES_VERSION_PATCH fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH); # else fprintf(fp, "%s\n", NCURSES_VERSION); # endif #else # ifdef __NCURSES_H fprintf(fp, "old\n"); # else make an error # endif #endif exit(0); }],[ cf_cv_ncurses_version=`cat $cf_tempfile` rm -f $cf_tempfile],,[ # This will not work if the preprocessor splits the line after the # Autoconf token. The 'unproto' program does that. cat > conftest.$ac_ext <<EOF #include <${cf_cv_ncurses_header-curses.h}> #undef Autoconf #ifdef NCURSES_VERSION Autoconf NCURSES_VERSION #else #ifdef __NCURSES_H Autoconf "old" #endif ; #endif EOF cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out" AC_TRY_EVAL(cf_try) if test -f conftest.out ; then changequote(,)dnl cf_out=`cat conftest.out | sed -e 's@^Autoconf @@' -e 's@^[^"]*"@@' -e 's@".*@@'` changequote([,])dnl test -n "$cf_out" && cf_cv_ncurses_version="$cf_out" rm -f conftest.out fi ])]) AC_MSG_RESULT($cf_cv_ncurses_version) ]) dnl --------------------------------------------------------------------------- dnl After checking for functions in the default $LIBS, make a further check dnl for the functions that are netlib-related (these aren't always in the dnl libc, etc., and have to be handled specially because there are conflicting dnl and broken implementations. dnl Common library requirements (in order): dnl -lresolv -lsocket -lnsl dnl -lnsl -lsocket dnl -lsocket dnl -lbsd AC_DEFUN([CF_NETLIBS],[ cf_test_netlibs=no AC_MSG_CHECKING(for network libraries) AC_CACHE_VAL(cf_cv_netlibs,[ AC_MSG_RESULT(working...) cf_cv_netlibs="" cf_test_netlibs=yes AC_CHECK_FUNCS(gethostname,,[ CF_RECHECK_FUNC(gethostname,nsl,cf_cv_netlibs,[ CF_RECHECK_FUNC(gethostname,socket,cf_cv_netlibs)])]) # # FIXME: sequent needs this library (i.e., -lsocket -linet -lnsl), but # I don't know the entrypoints - 97/7/22 TD AC_HAVE_LIBRARY(inet,cf_cv_netlibs="-linet $cf_cv_netlibs") # if test "$ac_cv_func_lsocket" != no ; then AC_CHECK_FUNCS(socket,,[ CF_RECHECK_FUNC(socket,socket,cf_cv_netlibs,[ CF_RECHECK_FUNC(socket,bsd,cf_cv_netlibs)])]) fi # AC_CHECK_FUNCS(gethostbyname,,[ CF_RECHECK_FUNC(gethostbyname,nsl,cf_cv_netlibs)]) # AC_CHECK_FUNCS(strcasecmp,,[ CF_RECHECK_FUNC(strcasecmp,resolv,cf_cv_netlibs)]) ]) LIBS="$LIBS $cf_cv_netlibs" test $cf_test_netlibs = no && echo "$cf_cv_netlibs" >&AC_FD_MSG ])dnl dnl --------------------------------------------------------------------------- dnl Check for the symbol NGROUPS AC_DEFUN([CF_NGROUPS], [ AC_MSG_CHECKING(if NGROUPS is defined) AC_CACHE_VAL(cf_cv_ngroups,[ AC_TRY_COMPILE([ #if HAVE_SYS_PARAM_H #include <sys/param.h> #endif #if HAVE_LIMITS_H #include <limits.h> #endif ],[int x = NGROUPS], [cf_cv_ngroups=yes], [AC_TRY_COMPILE([ #if HAVE_SYS_PARAM_H #include <sys/param.h> #endif #if HAVE_LIMITS_H #include <limits.h> #endif ],[int x = NGROUPS_MAX], [cf_cv_ngroups=NGROUPS_MAX], [cf_cv_ngroups=no]) ]) AC_MSG_RESULT($cf_cv_ngroups) if test "$cf_cv_ngroups" = no ; then AC_DEFINE(NGROUPS,16) elif test "$cf_cv_ngroups" = NGROUPS_MAX ; then AC_DEFINE(NGROUPS,NGROUPS_MAX) fi ]) ])dnl dnl --------------------------------------------------------------------------- dnl Check if we use the messages included with this program AC_DEFUN([CF_OUR_MESSAGES], [ use_our_messages=no if test -d $srcdir/po ; then AC_MSG_CHECKING(if we should use included message-library) AC_ARG_ENABLE(included-msgs, [ --enable-included-msgs use included messages, for i18n support], [use_our_messages=$enableval], [use_our_messages=yes]) fi AC_MSG_RESULT($use_our_messages) test $use_our_messages = yes && USE_OUR_MESSAGES= AC_SUBST(USE_OUR_MESSAGES) ])dnl dnl --------------------------------------------------------------------------- dnl Check for a given program, defining corresponding symbol. dnl $1 = environment variable, which is suffixed by "_PATH" in the #define. dnl $2 = program name to find. dnl dnl If there is more than one token in the result, #define the remaining tokens dnl to $1_ARGS. We need this for 'install' in particular. dnl dnl FIXME: we should allow this to be overridden by environment variables dnl AC_DEFUN([CF_PATH_PROG],[ test -z "[$]$1" && $1=$2 if test "$with_full_paths" = yes ; then AC_PATH_PROG($1,$2,[$]$1) else AC_MSG_CHECKING(for $2) AC_MSG_RESULT([$]$1) fi cf_path_prog="" cf_path_args="" IFS="${IFS= }"; cf_save_ifs="$IFS" case $host_os in #(vi os2*) #(vi IFS="${IFS};" ;; *) IFS="${IFS}:" ;; esac for cf_temp in $ac_cv_path_$1 do if test -z "$cf_path_prog" ; then cf_path_prog="$cf_temp" elif test -z "$cf_path_args" ; then cf_path_args="$cf_temp" else cf_path_args="$cf_path_args $cf_temp" fi done IFS="$cf_save_ifs" AC_DEFINE_UNQUOTED($1_PATH,"$cf_path_prog") test -n "$cf_path_args" && AC_DEFINE_UNQUOTED($1_ARGS,"$cf_path_args") ])dnl dnl --------------------------------------------------------------------------- dnl Check the argument to see that it looks like a pathname. Rewrite it if it dnl begins with one of the prefix/exec_prefix variables, and then again if the dnl result begins with 'NONE'. This is necessary to workaround autoconf's dnl delayed evaluation of those symbols. AC_DEFUN([CF_PATH_SYNTAX],[ case ".[$]$1" in #(vi ./*) #(vi ;; .\[$]{*prefix}*) #(vi eval $1="[$]$1" case ".[$]$1" in #(vi .NONE/*) $1=`echo [$]$1 | sed -e s@NONE@$ac_default_prefix@` ;; esac ;; #(vi .NONE/*) $1=`echo [$]$1 | sed -e s@NONE@$ac_default_prefix@` ;; *) AC_ERROR(expected a pathname) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl Re-check on a function to see if we can pick it up by adding a library. dnl $1 = function to check dnl $2 = library to check in dnl $3 = environment to update (e.g., $LIBS) dnl $4 = what to do if this fails dnl dnl This uses 'unset' if the shell happens to support it, but leaves the dnl configuration variable set to 'unknown' if not. This is a little better dnl than the normal autoconf test, which gives misleading results if a test dnl for the function is made (e.g., with AC_CHECK_FUNC) after this macro is dnl used (autoconf does not distinguish between a null token and one that is dnl set to 'no'). AC_DEFUN([CF_RECHECK_FUNC],[ AC_CHECK_LIB($2,$1,[ CF_UPPER(cf_tr_func,$1) AC_DEFINE_UNQUOTED(HAVE_$cf_tr_func) ac_cv_func_$1=yes $3="-l$2 [$]$3"],[ ac_cv_func_$1=unknown unset ac_cv_func_$1 2>/dev/null $4], [[$]$3]) ])dnl dnl --------------------------------------------------------------------------- dnl Check for broken definition of 'remove()'. This is (in particular) broken dnl on the older version of SCO (I'd cite version if I knew where to look) by dnl having <stdio.h> #define remove to __unlink, which appears in no library. dnl dnl Fortuitously, we can combine this with a more general test: do we have dnl 'unlink()' but no 'remove()'. Note, however, that we cannot simply #define dnl remove to unlink, but have to make a fallback function. dnl AC_DEFUN([CF_REMOVE_BROKEN], [ AC_MSG_CHECKING(for broken/missing definition of remove) AC_CACHE_VAL(cf_cv_baddef_remove,[ AC_TRY_LINK( [#include <stdio.h>], [remove("dummy")], [cf_cv_baddef_remove=no], [AC_TRY_LINK( [#include <stdio.h> int __unlink(name) { return unlink(name); } ], [remove("dummy")], [cf_cv_baddef_remove=yes], [cf_cv_baddef_remove=unknown]) ]) ]) AC_MSG_RESULT($cf_cv_baddef_remove) test "$cf_cv_baddef_remove" != no && AC_DEFINE(NEED_REMOVE) ])dnl dnl --------------------------------------------------------------------------- dnl Check for definitions & structures needed for window size-changing dnl FIXME: check that this works with "snake" (HP-UX 10.x) AC_DEFUN([CF_SIZECHANGE], [ AC_MSG_CHECKING([declaration of size-change]) AC_CACHE_VAL(cf_cv_sizechange,[ cf_cv_sizechange=unknown cf_save_CFLAGS="$CFLAGS" for cf_opts in "" "NEED_PTEM_H" do CFLAGS="$cf_save_CFLAGS" test -n "$cf_opts" && CFLAGS="$CFLAGS -D$cf_opts" AC_TRY_COMPILE([#include <sys/types.h> #if HAVE_TERMIOS_H #include <termios.h> #else #if HAVE_TERMIO_H #include <termio.h> #endif #endif #if NEED_PTEM_H /* This is a workaround for SCO: they neglected to define struct winsize in * termios.h -- it's only in termio.h and ptem.h */ #include <sys/stream.h> #include <sys/ptem.h> #endif #if !defined(sun) || !defined(HAVE_TERMIOS_H) #include <sys/ioctl.h> #endif ],[ #ifdef TIOCGSIZE struct ttysize win; /* FIXME: what system is this? */ int y = win.ts_lines; int x = win.ts_cols; #else #ifdef TIOCGWINSZ struct winsize win; int y = win.ws_row; int x = win.ws_col; #else no TIOCGSIZE or TIOCGWINSZ #endif /* TIOCGWINSZ */ #endif /* TIOCGSIZE */ ], [cf_cv_sizechange=yes], [cf_cv_sizechange=no]) CFLAGS="$cf_save_CFLAGS" if test "$cf_cv_sizechange" = yes ; then echo "size-change succeeded ($cf_opts)" >&AC_FD_CC test -n "$cf_opts" && AC_DEFINE_UNQUOTED($cf_opts) break fi done ]) AC_MSG_RESULT($cf_cv_sizechange) test $cf_cv_sizechange != no && AC_DEFINE(HAVE_SIZECHANGE) ])dnl dnl --------------------------------------------------------------------------- dnl Look for the slang header files in the standard places, adjusting the dnl CPPFLAGS variable. dnl AC_DEFUN([CF_SLANG_CPPFLAGS], [ AC_MSG_CHECKING(for slang header file) AC_CACHE_VAL(cf_cv_slang_header,[ AC_TRY_COMPILE([#include <slang.h>], [printf("%s\n", SLANG_VERSION)], [cf_cv_slang_header=predefined],[ CF_HEADER_PATH(cf_search,slang) for cf_incdir in $cf_search do for cf_header in \ slang.h do echo trying $cf_incdir/$cf_header 1>&AC_FD_CC if egrep "SLANG_VERSION" $cf_incdir/$cf_header 1>&AC_FD_CC 2>&1; then cf_cv_slang_header=$cf_incdir/$cf_header break fi done test -n "$cf_cv_slang_header" && break done test -z "$cf_cv_slang_header" && AC_ERROR(not found) ])]) AC_MSG_RESULT($cf_cv_slang_header) AC_DEFINE(USE_SLANG) changequote(,)dnl cf_incdir=`echo $cf_cv_slang_header | sed -e 's:/[^/]*$::'` changequote([,])dnl case $cf_cv_slang_header in # (vi predefined) # (vi ;; *) CF_ADD_INCDIR($cf_incdir) ;; esac ])dnl dnl --------------------------------------------------------------------------- dnl Look for the slang library. AC_DEFUN([CF_SLANG_LIBS], [ cf_slang_LIBS1="$LIBS" CF_TERMCAP_LIBS cf_slang_LIBS2="$LIBS" AC_CHECK_FUNC(acos,,[CF_RECHECK_FUNC(acos,m,LIBS)]) CF_FIND_LIBRARY(slang, [#include <slang.h>], [SLtt_get_screen_size()], SLtt_get_screen_size) cf_slang_LIBS3="$LIBS" AC_MSG_CHECKING(if we can link slang without termcap) if test -n "`echo $cf_slang_LIBS1 | sed -e 's/ //g'`" ; then cf_exclude=`echo ".$cf_slang_LIBS2" | sed -e "s@$cf_slang_LIBS1@@" -e 's@^.@@'` else cf_exclude="$cf_slang_LIBS2" fi LIBS=`echo ".$cf_slang_LIBS3" | sed -e "s@$cf_exclude@@" -e 's@^.@@'` AC_TRY_LINK([#include <slang.h>], [SLtt_get_screen_size()], [cf_result=yes], [cf_result=no]) AC_MSG_RESULT($cf_result) test $cf_result = no && LIBS="$cf_slang_LIBS3" ])dnl dnl --------------------------------------------------------------------------- dnl Check for socks library dnl $1 = the [optional] directory in which the library may be found dnl $2 = the [optional] name of the library AC_DEFUN([CF_SOCKS],[ case "$1" in #(vi no|yes) #(vi ;; *) LIBS="$LIBS -L$1" ;; esac LIBS="$LIBS -lsocks" AC_DEFINE(SOCKS) AC_DEFINE(accept,Raccept) AC_DEFINE(bind,Rbind) AC_DEFINE(connect,Rconnect) AC_DEFINE(getpeername,Rgetpeername) AC_DEFINE(getsockname,Rgetsockname) AC_DEFINE(listen,Rlisten) AC_DEFINE(recvfrom,Rrecvfrom) AC_DEFINE(select,Rselect) AC_TRY_LINK([ #include <stdio.h>],[ accept((char *)0)],, [AC_ERROR(Cannot link with socks library)]) ])dnl dnl --------------------------------------------------------------------------- dnl Check for socks5 configuration dnl $1 = the [optional] directory in which the library may be found AC_DEFUN([CF_SOCKS5],[ case "$1" in #(vi no|yes) #(vi ;; *) LIBS="$LIBS -L$1" CFLAGS="$CFLAGS -I$1/../include" ;; esac LIBS="$LIBS -lsocks5" AC_DEFINE(USE_SOCKS5) AC_DEFINE(SOCKS) AC_MSG_CHECKING(if the socks library uses socks4 prefix) AC_TRY_LINK([ #include <socks.h>],[ Rinit((char *)0)], [AC_DEFINE(USE_SOCKS4_PREFIX) cf_use_socks4=yes], [AC_TRY_LINK([#include <socks.h>], [SOCKSinit((char *)0)], [cf_use_socks4=no], [AC_ERROR(Cannot link with socks5 library)])]) AC_MSG_RESULT($cf_use_socks4) if test "$cf_use_socks4" = "yes" ; then AC_DEFINE(accept,Raccept) AC_DEFINE(bind,Rbind) AC_DEFINE(connect,Rconnect) AC_DEFINE(getpeername,Rgetpeername) AC_DEFINE(getsockname,Rgetsockname) AC_DEFINE(listen,Rlisten) AC_DEFINE(recvfrom,Rrecvfrom) AC_DEFINE(select,Rselect) else AC_DEFINE(accept,SOCKSaccept) AC_DEFINE(getpeername,SOCKSgetpeername) AC_DEFINE(getsockname,SOCKSgetsockname) AC_DEFINE(recvfrom,SOCKSrecvfrom) fi ])dnl dnl --------------------------------------------------------------------------- dnl Remove "-g" option from the compiler options AC_DEFUN([CF_STRIP_G_OPT], [$1=`echo ${$1} | sed -e 's/-g //' -e 's/-g$//'`])dnl dnl --------------------------------------------------------------------------- dnl Remove "-O" option from the compiler options AC_DEFUN([CF_STRIP_O_OPT],[ changequote(,)dnl $1=`echo ${$1} | sed -e 's/-O[1-9]\? //' -e 's/-O[1-9]\?$//'` changequote([,])dnl ])dnl dnl --------------------------------------------------------------------------- AC_DEFUN([CF_SYSTEM_MAIL_FLAGS], [ AC_MSG_CHECKING([system mail flags]) AC_CACHE_VAL(cf_cv_system_mail_flags,[ case $cf_cv_SYSTEM_MAIL in */mmdf/*) [cf_cv_system_mail_flags="-mlruxto,cc\\\\*"] ;; *) [cf_cv_system_mail_flags="-t -oi"] esac ]) AC_MSG_RESULT($cf_cv_system_mail_flags) AC_DEFINE_UNQUOTED(SYSTEM_MAIL_FLAGS, "$cf_cv_system_mail_flags") ])dnl dnl --------------------------------------------------------------------------- dnl Check for declaration of sys_nerr and sys_errlist in one of stdio.h and dnl errno.h. Declaration of sys_errlist on BSD4.4 interferes with our dnl declaration. Reported by Keith Bostic. AC_DEFUN([CF_SYS_ERRLIST], [ for cf_name in sys_nerr sys_errlist do CF_CHECK_ERRNO($cf_name) done ])dnl dnl --------------------------------------------------------------------------- dnl Look for termcap libraries, or the equivalent in terminfo. AC_DEFUN([CF_TERMCAP_LIBS], [ AC_CACHE_VAL(cf_cv_termlib,[ cf_cv_termlib=none AC_TRY_LINK([],[char *x=(char*)tgoto("",0,0)], [AC_TRY_LINK([],[int x=tigetstr("")], [cf_cv_termlib=terminfo], [cf_cv_termlib=termcap]) CF_VERBOSE(using functions in predefined $cf_cv_termlib LIBS) ],[ ifelse([$1],,,[ if test "$1" = ncurses; then CF_NCURSES_CPPFLAGS CF_NCURSES_LIBS cf_cv_termlib=terminfo fi ]) # HP-UX 9.x terminfo has setupterm, but no tigetstr. if test "$cf_cv_termlib" = none; then AC_CHECK_LIB(termlib, tigetstr, [LIBS="$LIBS -ltermlib" cf_cv_termlib=terminfo]) fi if test "$cf_cv_termlib" = none; then AC_CHECK_LIB(termlib, tgoto, [LIBS="$LIBS -ltermlib" cf_cv_termlib=termcap]) fi if test "$cf_cv_termlib" = none; then # allow curses library for broken AIX system. AC_CHECK_LIB(curses, initscr, [LIBS="$LIBS -lcurses" cf_cv_termlib=termcap]) AC_CHECK_LIB(termcap, tgoto, [LIBS="$LIBS -ltermcap" cf_cv_termlib=termcap]) fi if test "$cf_cv_termlib" = none; then AC_CHECK_LIB(termcap, tgoto, [LIBS="$LIBS -ltermcap" cf_cv_termlib=termcap]) fi if test "$cf_cv_termlib" = none; then AC_CHECK_LIB(ncurses, tgoto, [LIBS="$LIBS -lncurses" cf_cv_termlib=ncurses]) fi ]) if test "$cf_cv_termlib" = none; then AC_ERROR([Can't find -ltermlib, -lcurses, or -ltermcap]) fi ])])dnl dnl --------------------------------------------------------------------------- dnl Check if including termio.h with <curses.h> dies like on sysv68 dnl FIXME: this is too Lynx-specific AC_DEFUN([CF_TERMIO_AND_CURSES], [ AC_CACHE_CHECK(if we can include termio.h with curses,cf_cv_termio_and_curses,[ cf_save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -DHAVE_CONFIG_H -I. -I${srcdir-.} -I${srcdir-.}/src -I${srcdir-.}/WWW/Library/Implementation" touch lynx_cfg.h AC_TRY_COMPILE([ #include <$1> #include <termio.h>], [putchar(0x0a)], [cf_cv_termio_and_curses=yes], [cf_cv_termio_and_curses=no]) CFLAGS="$cf_save_CFLAGS" rm -f lynx_cfg.h ]) test $cf_cv_termio_and_curses = yes && AC_DEFINE(TERMIO_AND_CURSES) ])dnl dnl --------------------------------------------------------------------------- dnl Check if including both termio.h and termios.h die like on DG.UX AC_DEFUN([CF_TERMIO_AND_TERMIOS], [ AC_MSG_CHECKING([termio.h and termios.h]) AC_CACHE_VAL(cf_cv_termio_and_termios,[ AC_TRY_COMPILE([ #if HAVE_TERMIO_H #include <termio.h> #endif #if HAVE_TERMIOS_H #include <termios.h> #endif ], [putchar (0x0a)], [cf_cv_termio_and_termios=yes], [cf_cv_termio_and_termios=no])]) AC_MSG_RESULT($cf_cv_termio_and_termios) test $cf_cv_termio_and_termios = no && AC_DEFINE(TERMIO_AND_TERMIOS) ])dnl dnl --------------------------------------------------------------------------- AC_DEFUN([CF_TTYTYPE], [ AC_MSG_CHECKING(if ttytype is declared in curses library) AC_CACHE_VAL(cf_cv_have_ttytype,[ AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>], [char *x = &ttytype[1]; *x = 1], [cf_cv_have_ttytype=yes], [cf_cv_have_ttytype=no]) ]) AC_MSG_RESULT($cf_cv_have_ttytype) test $cf_cv_have_ttytype = yes && AC_DEFINE(HAVE_TTYTYPE) ]) dnl --------------------------------------------------------------------------- dnl Check to see if the BSD-style union wait is declared. Some platforms may dnl use this, though it is deprecated in favor of the 'int' type in Posix. dnl Some vendors provide a bogus implementation that declares union wait, but dnl uses the 'int' type instead; we try to spot these by checking for the dnl associated macros. dnl dnl Ahem. Some implementers cast the status value to an int*, as an attempt to dnl use the macros for either union wait or int. So we do a check compile to dnl see if the macros are defined and apply to an int. dnl dnl Sets: $cf_cv_type_unionwait dnl Defines: HAVE_TYPE_UNIONWAIT AC_DEFUN([CF_UNION_WAIT], [ AC_REQUIRE([CF_WAIT_HEADERS]) AC_MSG_CHECKING([for union wait]) AC_CACHE_VAL(cf_cv_type_unionwait,[ AC_TRY_LINK($cf_wait_headers, [int x; int y = WEXITSTATUS(x); int z = WTERMSIG(x); wait(&x); ], [cf_cv_type_unionwait=no echo compiles ok w/o union wait 1>&AC_FD_CC ],[ AC_TRY_LINK($cf_wait_headers, [union wait x; #ifdef WEXITSTATUS int y = WEXITSTATUS(x); #endif #ifdef WTERMSIG int z = WTERMSIG(x); #endif wait(&x); ], [cf_cv_type_unionwait=yes echo compiles ok with union wait and possibly macros too 1>&AC_FD_CC ], [cf_cv_type_unionwait=no])])]) AC_MSG_RESULT($cf_cv_type_unionwait) test $cf_cv_type_unionwait = yes && AC_DEFINE(HAVE_TYPE_UNIONWAIT) ])dnl dnl --------------------------------------------------------------------------- dnl Make an uppercase version of a variable dnl $1=uppercase($2) AC_DEFUN([CF_UPPER], [ changequote(,)dnl $1=`echo $2 | tr '[a-z]' '[A-Z]'` changequote([,])dnl ])dnl dnl --------------------------------------------------------------------------- AC_DEFUN([CF_UTMP], [ AC_MSG_CHECKING(if struct utmp is declared) AC_CACHE_VAL(cf_cv_have_utmp,[ AC_TRY_COMPILE([ #include <sys/types.h> #include <utmp.h>], [struct utmp x; char *y = &x.ut_host[0]], [cf_cv_have_utmp=yes], [AC_TRY_COMPILE([#include <utmpx.h>], [struct utmpx x; char *y = &x.ut_host[0]], [cf_cv_have_utmp=utmpx], [cf_cv_have_utmp=no]) ]) ]) AC_MSG_RESULT($cf_cv_have_utmp) test $cf_cv_have_utmp != no && AC_DEFINE(HAVE_UTMP) test $cf_cv_have_utmp = utmpx && AC_DEFINE(UTMPX_FOR_UTMP) ]) dnl --------------------------------------------------------------------------- dnl Check for ANSI stdarg.h vs varargs.h. Note that some systems include dnl <varargs.h> within <stdarg.h>. AC_DEFUN([CF_VARARGS], [ AC_CHECK_HEADERS(stdarg.h varargs.h) AC_MSG_CHECKING(for standard varargs) AC_CACHE_VAL(cf_cv_ansi_varargs,[ AC_TRY_COMPILE([ #if HAVE_STDARG_H #include <stdarg.h> #else #if HAVE_VARARGS_H #include <varargs.h> #endif #endif ], [return 0;} int foo(char *fmt,...){va_list args;va_start(args,fmt);va_end(args)], [cf_cv_ansi_varargs=yes], [cf_cv_ansi_varargs=no]) ]) AC_MSG_RESULT($cf_cv_ansi_varargs) test $cf_cv_ansi_varargs = yes && AC_DEFINE(ANSI_VARARGS) ])dnl dnl --------------------------------------------------------------------------- dnl Use AC_VERBOSE w/o the warnings AC_DEFUN([CF_VERBOSE], [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG ])dnl dnl --------------------------------------------------------------------------- dnl Build up an expression $cf_wait_headers with the header files needed to dnl compile against the prototypes for 'wait()', 'waitpid()', etc. Assume it's dnl Posix, which uses <sys/types.h> and <sys/wait.h>, but allow SVr4 variation dnl with <wait.h>. AC_DEFUN([CF_WAIT_HEADERS], [ AC_HAVE_HEADERS(sys/wait.h) cf_wait_headers="#include <sys/types.h> " if test $ac_cv_header_sys_wait_h = yes; then cf_wait_headers="$cf_wait_headers #include <sys/wait.h> " else AC_HAVE_HEADERS(wait.h) AC_HAVE_HEADERS(waitstatus.h) if test $ac_cv_header_wait_h = yes; then cf_wait_headers="$cf_wait_headers #include <wait.h> " fi if test $ac_cv_header_waitstatus_h = yes; then cf_wait_headers="$cf_wait_headers #include <waitstatus.h> " fi fi ])dnl dnl --------------------------------------------------------------------------- dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just dnl defaulting to yes/no. dnl dnl $1 = option name dnl $2 = help-text dnl $3 = environment variable to set dnl $4 = default value, shown in the help-message, must be a constant dnl $5 = default value, if it's an expression & cannot be in the help-message dnl AC_DEFUN([CF_WITH_PATH], [AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),, ifelse($4,,[withval="${$3}"],[withval="${$3-ifelse($5,,$4,$5)}"]))dnl CF_PATH_SYNTAX(withval) eval $3="$withval" AC_SUBST($3)dnl ])dnl


context:
space:
mode: