--- /dev/null
+dnl***************************************************************************
+dnl Copyright (c) 2007 Free Software Foundation, Inc. *
+dnl *
+dnl Permission is hereby granted, free of charge, to any person obtaining a *
+dnl copy of this software and associated documentation files (the *
+dnl "Software"), to deal in the Software without restriction, including *
+dnl without limitation the rights to use, copy, modify, merge, publish, *
+dnl distribute, distribute with modifications, sublicense, and/or sell *
+dnl copies of the Software, and to permit persons to whom the Software is *
+dnl furnished to do so, subject to the following conditions: *
+dnl *
+dnl The above copyright notice and this permission notice shall be included *
+dnl in all copies or substantial portions of the Software. *
+dnl *
+dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+dnl *
+dnl Except as contained in this notice, the name(s) of the above copyright *
+dnl holders shall not be used in advertising or otherwise to promote the *
+dnl sale, use or other dealings in this Software without prior written *
+dnl authorization. *
+dnl***************************************************************************
+dnl
+dnl $Id: aclocal.m4,v 1.2 2007/01/13 23:57:11 tom Exp $
+dnl
+dnl Author: Thomas E. Dickey
+dnl
+dnl Macros used in TACK test program auto-configuration script.
+dnl
+dnl These macros are maintained separately from NCURSES. The copyright on
+dnl this file applies to the aggregation of macros and does not affect use of
+dnl these macros in other applications.
+dnl
+dnl See http://invisible-island.net/autoconf/ for additional information.
+dnl
+dnl ---------------------------------------------------------------------------
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_CFLAGS version: 7 updated: 2004/04/25 17:48:30
+dnl -------------
+dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
+dnl The second parameter if given makes this macro verbose.
+dnl
+dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
+dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
+dnl confused by the quotes (which require backslashes to keep them usable).
+AC_DEFUN([CF_ADD_CFLAGS],
+[
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $1
+do
+case $cf_fix_cppflags in
+no)
+ case $cf_add_cflags in #(vi
+ -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
+ case $cf_add_cflags in
+ -D*)
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
+
+ test "${cf_add_cflags}" != "${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=yes
+
+ if test $cf_fix_cppflags = yes ; then
+ cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+ continue
+ elif test "${cf_tst_cflags}" = "\"'" ; then
+ cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+ continue
+ fi
+ ;;
+ esac
+ case "$CPPFLAGS" in
+ *$cf_add_cflags) #(vi
+ ;;
+ *) #(vi
+ cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+ ;;
+ esac
+ ;;
+ *)
+ cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+ ;;
+ esac
+ ;;
+yes)
+ cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
+
+ test "${cf_add_cflags}" != "${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=no
+ ;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+ ifelse($2,,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
+ CFLAGS="$CFLAGS $cf_new_cflags"
+fi
+
+if test -n "$cf_new_cppflags" ; then
+ ifelse($2,,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
+ CPPFLAGS="$cf_new_cppflags $CPPFLAGS"
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+ ifelse($2,,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
+ EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
+fi
+
+AC_SUBST(EXTRA_CPPFLAGS)
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_INCDIR version: 4 updated: 2002/12/21 14:25:52
+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. To make things
+dnl worse, gcc 3.x gives error messages if -I/usr/local/include is added to
+dnl the include-path).
+AC_DEFUN([CF_ADD_INCDIR],
+[
+for cf_add_incdir in $1
+do
+ while true
+ do
+ case $cf_add_incdir in
+ /usr/include) # (vi
+ ;;
+ /usr/local/include) # (vi
+ if test "$GCC" = yes
+ then
+ cf_save_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
+ AC_TRY_COMPILE([#include <stdio.h>],
+ [printf("Hello")],
+ [],
+ [CPPFLAGS="$cf_save_CPPFLAGS"])
+ fi
+ ;;
+ *) # (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 CF_ANSI_CC_CHECK version: 9 updated: 2001/12/30 17:53:34
+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_CACHE_CHECK(for ${CC-cc} option to accept ANSI C, cf_cv_ansi_cc,[
+cf_cv_ansi_cc=no
+cf_save_CFLAGS="$CFLAGS"
+cf_save_CPPFLAGS="$CPPFLAGS"
+# Don't try gcc -ansi; that turns off useful extensions and
+# breaks some systems' header files.
+# AIX -qlanglvl=ansi
+# Ultrix and OSF/1 -std1
+# HP-UX -Aa -D_HPUX_SOURCE
+# SVR4 -Xc
+# UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
+for cf_arg in "-DCC_HAS_PROTOS" \
+ "" \
+ -qlanglvl=ansi \
+ -std1 \
+ -Ae \
+ "-Aa -D_HPUX_SOURCE" \
+ -Xc
+do
+ CF_ADD_CFLAGS($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"
+CPPFLAGS="$cf_save_CPPFLAGS"
+])
+
+if test "$cf_cv_ansi_cc" != "no"; then
+if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
+ CF_ADD_CFLAGS($cf_cv_ansi_cc)
+else
+ AC_DEFINE(CC_HAS_PROTOS)
+fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ANSI_CC_REQD version: 3 updated: 1997/09/06 13:40:44
+dnl ---------------
+dnl For programs that must use an ANSI compiler, obtain compiler options that
+dnl will make it recognize prototypes. We'll do preprocessor checks in other
+dnl macros, since tools such as unproto can fake prototypes, but only part of
+dnl the preprocessor.
+AC_DEFUN([CF_ANSI_CC_REQD],
+[AC_REQUIRE([CF_ANSI_CC_CHECK])
+if test "$cf_cv_ansi_cc" = "no"; then
+ AC_ERROR(
+[Your compiler does not appear to recognize prototypes.
+You have the following choices:
+ a. adjust your compiler options
+ b. get an up-to-date compiler
+ c. use a wrapper such as unproto])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
+dnl -------------
+dnl Allow user to enable a normally-off option.
+AC_DEFUN([CF_ARG_ENABLE],
+[CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ARG_OPTION version: 3 updated: 1997/10/18 14:42:41
+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 CF_CHECK_CACHE version: 10 updated: 2004/05/23 13:03:31
+dnl --------------
+dnl Check if we're accidentally using a cache from a different machine.
+dnl Derive the system name, as a check for reusing the autoconf cache.
+dnl
+dnl If we've packaged config.guess and config.sub, run that (since it does a
+dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
+dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
+dnl which is useful in cross-compiles.
+dnl
+dnl Note: we would use $ac_config_sub, but that is one of the places where
+dnl autoconf 2.5x broke compatibility with autoconf 2.13
+AC_DEFUN([CF_CHECK_CACHE],
+[
+if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
+ ifelse([$1],,[AC_CANONICAL_HOST],[$1])
+ system_name="$host_os"
+else
+ system_name="`(uname -s -r) 2>/dev/null`"
+ if test -z "$system_name" ; then
+ system_name="`(hostname) 2>/dev/null`"
+ fi
+fi
+test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
+AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
+
+test -z "$system_name" && system_name="$cf_cv_system_name"
+test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
+
+if test ".$system_name" != ".$cf_cv_system_name" ; then
+ AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
+ AC_ERROR("Please remove config.cache and try again.")
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_CFLAGS version: 2 updated: 2001/12/30 19:09:58
+dnl ---------------
+dnl Conditionally add to $CFLAGS and $CPPFLAGS values which are derived from
+dnl a build-configuration such as imake. These have the pitfall that they
+dnl often contain compiler-specific options which we cannot use, mixed with
+dnl preprocessor options that we usually can.
+AC_DEFUN([CF_CHECK_CFLAGS],
+[
+CF_VERBOSE(checking additions to CFLAGS)
+cf_check_cflags="$CFLAGS"
+cf_check_cppflags="$CPPFLAGS"
+CF_ADD_CFLAGS($1,yes)
+if test "$cf_check_cflags" != "$CFLAGS" ; then
+AC_TRY_LINK([#include <stdio.h>],[printf("Hello world");],,
+ [CF_VERBOSE(test-compile failed. Undoing change to \$CFLAGS)
+ if test "$cf_check_cppflags" != "$CPPFLAGS" ; then
+ CF_VERBOSE(but keeping change to \$CPPFLAGS)
+ fi
+ CFLAGS="$cf_check_flags"])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_CONFIG version: 2 updated: 2006/10/29 11:06:27
+dnl ----------------
+dnl Tie together the configure-script macros for curses. It may be ncurses,
+dnl but unless asked, we do not make a special search for ncurses. However,
+dnl still check for the ncurses version number, for use in other macros.
+AC_DEFUN([CF_CURSES_CONFIG],
+[
+CF_CURSES_CPPFLAGS
+CF_NCURSES_VERSION
+CF_CURSES_LIBS
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_CPPFLAGS version: 9 updated: 2006/02/04 19:44:43
+dnl ------------------
+dnl Look for the curses headers.
+AC_DEFUN([CF_CURSES_CPPFLAGS],[
+
+AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[
+cf_cv_curses_incdir=no
+case $host_os in #(vi
+hpux10.*) #(vi
+ test -d /usr/include/curses_colr && \
+ cf_cv_curses_incdir="-I/usr/include/curses_colr"
+ ;;
+sunos3*|sunos4*)
+ test -d /usr/5lib && \
+ test -d /usr/5include && \
+ cf_cv_curses_incdir="-I/usr/5include"
+ ;;
+esac
+])
+test "$cf_cv_curses_incdir" != no && CPPFLAGS="$cf_cv_curses_incdir $CPPFLAGS"
+
+CF_CURSES_HEADER
+CF_TERM_HEADER
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_HEADER version: 1 updated: 2005/12/31 13:28:25
+dnl ----------------
+dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
+dnl variations of ncurses' installs.
+dnl
+dnl See also CF_NCURSES_HEADER, which sets the same cache variable.
+AC_DEFUN([CF_CURSES_HEADER],[
+AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
+cf_cv_ncurses_header=none
+for cf_header in \
+ curses.h \
+ ncurses.h \
+ ncurses/curses.h \
+ ncurses/ncurses.h
+do
+AC_TRY_COMPILE([#include <${cf_header}>],
+ [initscr(); tgoto("?", 0,0)],
+ [cf_cv_ncurses_header=$cf_header; break],[])
+done
+])
+
+if test "$cf_cv_ncurses_header" = none ; then
+ AC_MSG_ERROR(No curses header-files found)
+fi
+
+# cheat, to get the right #define's for HAVE_NCURSES_H, etc.
+AC_CHECK_HEADERS($cf_cv_ncurses_header)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_LIBS version: 24 updated: 2006/02/04 19:44:43
+dnl --------------
+dnl Look for the curses libraries. Older curses implementations may require
+dnl termcap/termlib to be linked as well. Call CF_CURSES_CPPFLAGS first.
+AC_DEFUN([CF_CURSES_LIBS],[
+
+AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
+AC_MSG_CHECKING(if we have identified curses libraries)
+AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
+ [initscr(); tgoto("?", 0,0)],
+ cf_result=yes,
+ cf_result=no)
+AC_MSG_RESULT($cf_result)
+
+if test "$cf_result" = no ; then
+case $host_os in #(vi
+freebsd*) #(vi
+ AC_CHECK_LIB(mytinfo,tgoto,[LIBS="-lmytinfo $LIBS"])
+ ;;
+hpux10.*) #(vi
+ AC_CHECK_LIB(cur_colr,initscr,[
+ LIBS="-lcur_colr $LIBS"
+ ac_cv_func_initscr=yes
+ ],[
+ AC_CHECK_LIB(Hcurses,initscr,[
+ # HP's header uses __HP_CURSES, but user claims _HP_CURSES.
+ LIBS="-lHcurses $LIBS"
+ CPPFLAGS="-D__HP_CURSES -D_HP_CURSES $CPPFLAGS"
+ ac_cv_func_initscr=yes
+ ])])
+ ;;
+linux*) # Suse Linux does not follow /usr/lib convention
+ LIBS="$LIBS -L/lib"
+ ;;
+sunos3*|sunos4*)
+ test -d /usr/5lib && \
+ LIBS="$LIBS -L/usr/5lib -lcurses -ltermcap"
+ ac_cv_func_initscr=yes
+ ;;
+esac
+
+if test ".$ac_cv_func_initscr" != .yes ; then
+ cf_save_LIBS="$LIBS"
+ cf_term_lib=""
+ cf_curs_lib=""
+
+ if test ".${cf_cv_ncurses_version-no}" != .no
+ then
+ cf_check_list="ncurses curses cursesX"
+ else
+ cf_check_list="cursesX curses ncurses"
+ fi
+
+ # 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 $cf_check_list termcap termlib unknown
+ do
+ AC_CHECK_LIB($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 $cf_check_list xcurses jcurses unknown
+ do
+ AC_CHECK_LIB($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_curs_lib" = "$cf_term_lib" ; then
+ :
+ elif test "$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
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
+dnl ----------
+dnl "dirname" is not portable, so we fake it with a shell script.
+AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ENABLE_WARNINGS version: 3 updated: 2003/05/24 14:24:29
+dnl ------------------
+dnl Configure-option to enable gcc warnings
+AC_DEFUN([CF_ENABLE_WARNINGS],[
+if ( test "$GCC" = yes || test "$GXX" = yes )
+then
+AC_MSG_CHECKING(if you want to turn on gcc warnings)
+CF_ARG_ENABLE(warnings,
+ [ --enable-warnings test: turn on gcc compiler warnings],
+ [with_warnings=yes],
+ [with_warnings=no])
+AC_MSG_RESULT($with_warnings)
+if test "$with_warnings" = "yes"
+then
+ CF_GCC_WARNINGS
+fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FIND_LIBRARY version: 8 updated: 2004/11/23 20:14:58
+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 = library class, usually the same as library name
+dnl $3 = includes
+dnl $4 = code fragment to compile/link
+dnl $5 = corresponding function-name
+dnl $6 = flag, nonnull if failure should not cause an error-exit
+dnl
+dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
+dnl to use a -L option.
+AC_DEFUN([CF_FIND_LIBRARY],
+[
+ eval 'cf_cv_have_lib_'$1'=no'
+ cf_libdir=""
+ AC_CHECK_FUNC($5,
+ eval 'cf_cv_have_lib_'$1'=yes',[
+ cf_save_LIBS="$LIBS"
+ AC_MSG_CHECKING(for $5 in -l$1)
+ LIBS="-l$1 $LIBS"
+ AC_TRY_LINK([$3],[$4],
+ [AC_MSG_RESULT(yes)
+ eval 'cf_cv_have_lib_'$1'=yes'
+ ],
+ [AC_MSG_RESULT(no)
+ CF_LIBRARY_PATH(cf_search,$2)
+ 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([$3],[$4],
+ [AC_MSG_RESULT(yes)
+ eval 'cf_cv_have_lib_'$1'=yes'
+ break],
+ [AC_MSG_RESULT(no)
+ LIBS="$cf_save_LIBS"])
+ done
+ ])
+ ])
+eval 'cf_found_library=[$]cf_cv_have_lib_'$1
+ifelse($6,,[
+if test $cf_found_library = no ; then
+ AC_ERROR(Cannot link $1 library)
+fi
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GCC_ATTRIBUTES version: 10 updated: 2005/05/28 13:16:28
+dnl -----------------
+dnl Test for availability of useful gcc __attribute__ directives to quiet
+dnl compiler warnings. Though useful, not all are supported -- and contrary
+dnl to documentation, unrecognized directives cause older compilers to barf.
+AC_DEFUN([CF_GCC_ATTRIBUTES],
+[
+if test "$GCC" = yes
+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 "$GCC" = yes
+then
+ AC_CHECKING([for $CC __attribute__ directives])
+cat > conftest.$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
+ for cf_attribute in scanf printf unused noreturn
+ do
+ CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
+ cf_directive="__attribute__(($cf_attribute))"
+ echo "checking for $CC $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(... $cf_attribute)
+ cat conftest.h >>confdefs.h
+ fi
+ done
+else
+ fgrep define conftest.i >>confdefs.h
+fi
+rm -rf conftest*
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GCC_VERSION version: 4 updated: 2005/08/27 09:53:42
+dnl --------------
+dnl Find version of gcc
+AC_DEFUN([CF_GCC_VERSION],[
+AC_REQUIRE([AC_PROG_CC])
+GCC_VERSION=none
+if test "$GCC" = yes ; then
+ AC_MSG_CHECKING(version of $CC)
+ GCC_VERSION="`${CC} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+ test -z "$GCC_VERSION" && GCC_VERSION=unknown
+ AC_MSG_RESULT($GCC_VERSION)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GCC_WARNINGS version: 20 updated: 2005/08/06 18:37:29
+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). This
+dnl is enabled for ncurses using "--enable-const".
+dnl -pedantic
+dnl
+dnl Parameter:
+dnl $1 is an optional list of gcc warning flags that a particular
+dnl application might want to use, e.g., "no-unused" for
+dnl -Wno-unused
+dnl Special:
+dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
+dnl
+AC_DEFUN([CF_GCC_WARNINGS],
+[
+AC_REQUIRE([CF_GCC_VERSION])
+CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
+
+cat > conftest.$ac_ext <<EOF
+#line __oline__ "configure"
+int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
+EOF
+
+if test "$INTEL_COMPILER" = yes
+then
+# The "-wdXXX" options suppress warnings:
+# remark #1419: external declaration in primary source file
+# remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
+# remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
+# remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
+# remark #193: zero used for undefined preprocessing identifier
+# remark #593: variable "curs_sb_left_arrow" was set but never used
+# remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
+# remark #869: parameter "tw" was never referenced
+# remark #981: operands are evaluated in unspecified order
+# warning #269: invalid format string conversion
+
+ AC_CHECKING([for $CC warning options])
+ cf_save_CFLAGS="$CFLAGS"
+ EXTRA_CFLAGS="-Wall"
+ for cf_opt in $1 \
+ wd1419 \
+ wd1682 \
+ wd1683 \
+ wd1684 \
+ wd193 \
+ wd279 \
+ wd593 \
+ wd810 \
+ wd869 \
+ wd981
+ do
+ CFLAGS="$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"
+ fi
+ done
+ CFLAGS="$cf_save_CFLAGS"
+
+elif test "$GCC" = yes
+then
+ AC_CHECKING([for $CC warning options])
+ cf_save_CFLAGS="$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 \
+ Wundef $cf_warn_CONST $1
+ do
+ CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
+ if AC_TRY_EVAL(ac_compile); then
+ test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
+ case $cf_opt in #(vi
+ Wcast-qual) #(vi
+ CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
+ ;;
+ Winline) #(vi
+ case $GCC_VERSION in
+ 3.3*)
+ CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
+ continue;;
+ esac
+ ;;
+ esac
+ EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
+ fi
+ done
+ CFLAGS="$cf_save_CFLAGS"
+fi
+rm -f conftest*
+
+AC_SUBST(EXTRA_CFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
+dnl -------------
+dnl Check if we must define _GNU_SOURCE to get a reasonable value for
+dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
+dnl (or misfeature) of glibc2, which breaks portability of many applications,
+dnl since it is interwoven with GNU extensions.
+dnl
+dnl Well, yes we could work around it...
+AC_DEFUN([CF_GNU_SOURCE],
+[
+AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
+AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_cv_gnu_source=no],
+ [cf_save="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifdef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_cv_gnu_source=no],
+ [cf_cv_gnu_source=yes])
+ CPPFLAGS="$cf_save"
+ ])
+])
+test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HEADER_PATH version: 8 updated: 2002/11/10 14:46:59
+dnl --------------
+dnl Construct a search-list for a nonstandard header-file
+AC_DEFUN([CF_HEADER_PATH],
+[CF_SUBDIR_PATH($1,$2,include)
+test "$includedir" != NONE && \
+test "$includedir" != "/usr/include" && \
+test -d "$includedir" && {
+ test -d $includedir && $1="[$]$1 $includedir"
+ test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
+}
+
+test "$oldincludedir" != NONE && \
+test "$oldincludedir" != "/usr/include" && \
+test -d "$oldincludedir" && {
+ test -d $oldincludedir && $1="[$]$1 $oldincludedir"
+ test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
+}
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_INHERIT_SCRIPT version: 2 updated: 2003/03/01 23:50:42
+dnl -----------------
+dnl If we do not have a given script, look for it in the parent directory.
+AC_DEFUN([CF_INHERIT_SCRIPT],
+[
+test -f $1 || ( test -f ../$1 && cp ../$1 ./ )
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_INTEL_COMPILER version: 3 updated: 2005/08/06 18:37:29
+dnl -----------------
+dnl Check if the given compiler is really the Intel compiler for Linux. It
+dnl tries to imitate gcc, but does not return an error when it finds a mismatch
+dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
+dnl
+dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
+dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
+dnl the wrappers for gcc and g++ warnings.
+dnl
+dnl $1 = GCC (default) or GXX
+dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
+dnl $3 = CFLAGS (default) or CXXFLAGS
+AC_DEFUN([CF_INTEL_COMPILER],[
+ifelse($2,,INTEL_COMPILER,[$2])=no
+
+if test "$ifelse($1,,[$1],GCC)" = yes ; then
+ case $host_os in
+ linux*|gnu*)
+ AC_MSG_CHECKING(if this is really Intel ifelse($1,GXX,C++,C) compiler)
+ cf_save_CFLAGS="$ifelse($3,,CFLAGS,[$3])"
+ ifelse($3,,CFLAGS,[$3])="$ifelse($3,,CFLAGS,[$3]) -no-gcc"
+ AC_TRY_COMPILE([],[
+#ifdef __INTEL_COMPILER
+#else
+make an error
+#endif
+],[ifelse($2,,INTEL_COMPILER,[$2])=yes
+cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
+],[])
+ ifelse($3,,CFLAGS,[$3])="$cf_save_CFLAGS"
+ AC_MSG_RESULT($ifelse($2,,INTEL_COMPILER,[$2]))
+ ;;
+ esac
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LIBRARY_PATH version: 7 updated: 2002/11/10 14:46:59
+dnl ---------------
+dnl Construct a search-list for a nonstandard library-file
+AC_DEFUN([CF_LIBRARY_PATH],
+[CF_SUBDIR_PATH($1,$2,lib)])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MAKE_TAGS version: 2 updated: 2000/10/04 09:18:40
+dnl ------------
+dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
+dnl a monocase filesystem.
+AC_DEFUN([CF_MAKE_TAGS],[
+AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
+AC_CHECK_PROG(MAKE_LOWER_TAGS, ctags, yes, no)
+
+if test "$cf_cv_mixedcase" = yes ; then
+ AC_CHECK_PROG(MAKE_UPPER_TAGS, etags, yes, no)
+else
+ MAKE_UPPER_TAGS=no
+fi
+
+if test "$MAKE_UPPER_TAGS" = yes ; then
+ MAKE_UPPER_TAGS=
+else
+ MAKE_UPPER_TAGS="#"
+fi
+AC_SUBST(MAKE_UPPER_TAGS)
+
+if test "$MAKE_LOWER_TAGS" = yes ; then
+ MAKE_LOWER_TAGS=
+else
+ MAKE_LOWER_TAGS="#"
+fi
+AC_SUBST(MAKE_LOWER_TAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
+dnl ----------------------
+dnl Check if the file-system supports mixed-case filenames. If we're able to
+dnl create a lowercase name and see it as uppercase, it doesn't support that.
+AC_DEFUN([CF_MIXEDCASE_FILENAMES],
+[
+AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
+if test "$cross_compiling" = yes ; then
+ case $target_alias in #(vi
+ *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
+ cf_cv_mixedcase=no
+ ;;
+ *)
+ cf_cv_mixedcase=yes
+ ;;
+ esac
+else
+ rm -f conftest CONFTEST
+ echo test >conftest
+ if test -f CONFTEST ; then
+ cf_cv_mixedcase=no
+ else
+ cf_cv_mixedcase=yes
+ fi
+ rm -f conftest CONFTEST
+fi
+])
+test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MSG_LOG version: 3 updated: 1997/09/07 14:05:52
+dnl ----------
+dnl Write a debug message to config.log, along with the line number in the
+dnl configure script.
+AC_DEFUN([CF_MSG_LOG],[
+echo "(line __oline__) testing $* ..." 1>&AC_FD_CC
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_CC_CHECK version: 3 updated: 2003/01/12 18:59:28
+dnl -------------------
+dnl Check if we can compile with ncurses' header file
+dnl $1 is the cache variable to set
+dnl $2 is the header-file to include
+dnl $3 is the root name (ncurses or ncursesw)
+AC_DEFUN([CF_NCURSES_CC_CHECK],[
+ AC_TRY_COMPILE([
+]ifelse($3,ncursesw,[
+#define _XOPEN_SOURCE_EXTENDED
+#undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
+#define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
+])[
+#include <$2>],[
+#ifdef NCURSES_VERSION
+]ifelse($3,ncursesw,[
+#ifndef WACS_BSSB
+ make an error
+#endif
+])[
+printf("%s\n", NCURSES_VERSION);
+#else
+#ifdef __NCURSES_H
+printf("old\n");
+#else
+ make an error
+#endif
+#endif
+ ]
+ ,[$1=$cf_header]
+ ,[$1=no])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_CONFIG version: 4 updated: 2006/10/28 14:36:12
+dnl -----------------
+dnl Tie together the configure-script macros for ncurses.
+dnl Prefer the "-config" script from ncurses 5.6, to simplify analysis.
+dnl Allow that to be overridden using the $NCURSES_CONFIG environment variable.
+dnl
+dnl $1 is the root library name (default: "ncurses")
+AC_DEFUN([CF_NCURSES_CONFIG],
+[
+cf_ncuconfig_root=ifelse($1,,ncurses,$1)
+
+echo "Looking for ${cf_ncuconfig_root}-config"
+AC_PATH_PROGS(NCURSES_CONFIG,${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config,none)
+
+if test "$NCURSES_CONFIG" != none ; then
+
+cf_cv_ncurses_header=curses.h
+
+CPPFLAGS="`$NCURSES_CONFIG --cflags` $CPPFLAGS"
+LIBS="`$NCURSES_CONFIG --libs` $LIBS"
+
+dnl like CF_NCURSES_CPPFLAGS
+AC_DEFINE(NCURSES)
+
+dnl like CF_NCURSES_LIBS
+CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
+AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
+
+dnl like CF_NCURSES_VERSION
+cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
+
+else
+
+CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
+CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
+
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_CPPFLAGS version: 18 updated: 2005/12/31 13:26:39
+dnl -------------------
+dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
+dnl the CPPFLAGS variable so we can include its header.
+dnl
+dnl The header files may be installed as either curses.h, or ncurses.h (would
+dnl be obsolete, except that some packagers prefer this name to distinguish it
+dnl from a "native" curses implementation). If not installed for overwrite,
+dnl the curses.h file would be in an ncurses subdirectory (e.g.,
+dnl /usr/include/ncurses), but someone may have installed overwriting the
+dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
+dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
+dnl 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
+dnl The optional parameter gives the root name of the library, in case it is
+dnl not installed as the default curses library. That is how the
+dnl wide-character version of ncurses is installed.
+AC_DEFUN([CF_NCURSES_CPPFLAGS],
+[AC_REQUIRE([CF_WITH_CURSES_DIR])
+
+AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
+cf_ncuhdr_root=ifelse($1,,ncurses,$1)
+
+test -n "$cf_cv_curses_dir" && \
+test "$cf_cv_curses_dir" != "no" && \
+CPPFLAGS="-I$cf_cv_curses_dir/include -I$cf_cv_curses_dir/include/$cf_ncuhdr_root $CPPFLAGS"
+
+AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
+ cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
+ ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
+ for cf_header in $cf_header_list
+ do
+ CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
+ test "$cf_cv_ncurses_h" != no && break
+ done
+])
+
+CF_NCURSES_HEADER
+CF_TERM_HEADER
+
+# some applications need this, but should check for NCURSES_VERSION
+AC_DEFINE(NCURSES)
+
+CF_NCURSES_VERSION
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_HEADER version: 1 updated: 2005/12/31 13:28:37
+dnl -----------------
+dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
+dnl variations of ncurses' installs.
+dnl
+dnl See also CF_CURSES_HEADER, which sets the same cache variable.
+AC_DEFUN([CF_NCURSES_HEADER],[
+
+if test "$cf_cv_ncurses_h" != no ; then
+ cf_cv_ncurses_header=$cf_cv_ncurses_h
+else
+
+AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
+ test -n "$verbose" && echo
+ CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
+ test -n "$verbose" && echo search path $cf_search
+ cf_save2_CPPFLAGS="$CPPFLAGS"
+ for cf_incdir in $cf_search
+ do
+ CF_ADD_INCDIR($cf_incdir)
+ for cf_header in \
+ ncurses.h \
+ curses.h
+ do
+ CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
+ if test "$cf_cv_ncurses_h2" != no ; then
+ cf_cv_ncurses_h2=$cf_incdir/$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
+ CPPFLAGS="$cf_save2_CPPFLAGS"
+ test "$cf_cv_ncurses_h2" != no && break
+ done
+ test "$cf_cv_ncurses_h2" = no && AC_ERROR(not found)
+ ])
+
+ CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
+ cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
+ if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
+ cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
+ fi
+ CF_ADD_INCDIR($cf_1st_incdir)
+
+fi
+
+# Set definitions to allow ifdef'ing for ncurses.h
+
+case $cf_cv_ncurses_header in # (vi
+*ncurses.h)
+ AC_DEFINE(HAVE_NCURSES_H)
+ ;;
+esac
+
+case $cf_cv_ncurses_header in # (vi
+ncurses/curses.h|ncurses/ncurses.h)
+ AC_DEFINE(HAVE_NCURSES_NCURSES_H)
+ ;;
+ncursesw/curses.h|ncursesw/ncurses.h)
+ AC_DEFINE(HAVE_NCURSESW_NCURSES_H)
+ ;;
+esac
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_LIBS version: 12 updated: 2004/04/27 16:26:05
+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.
+dnl
+dnl The optional parameter gives the root name of the library, in case it is
+dnl not installed as the default curses library. That is how the
+dnl wide-character version of ncurses is installed.
+AC_DEFUN([CF_NCURSES_LIBS],
+[AC_REQUIRE([CF_NCURSES_CPPFLAGS])
+
+cf_nculib_root=ifelse($1,,ncurses,$1)
+ # 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 $host_os in #(vi
+freebsd*)
+ # This is only necessary if you are linking against an obsolete
+ # version of ncurses (but it should do no harm, since it's static).
+ if test "$cf_nculib_root" = ncurses ; then
+ AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
+ fi
+ ;;
+esac
+
+LIBS="$cf_ncurses_LIBS $LIBS"
+
+if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+then
+ LIBS="-L$cf_cv_curses_dir/lib -l$cf_nculib_root $LIBS"
+else
+ CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
+ [#include <${cf_cv_ncurses_header-curses.h}>],
+ [initscr()],
+ initscr)
+fi
+
+if test -n "$cf_ncurses_LIBS" ; then
+ AC_MSG_CHECKING(if we can link $cf_nculib_root 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="$cf_ncurses_SAVE"])
+fi
+
+CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
+AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_VERSION version: 11 updated: 2003/11/06 19:59:57
+dnl ------------------
+dnl Check for the version of ncurses, to aid in reporting bugs, etc.
+dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
+dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
+AC_DEFUN([CF_NCURSES_VERSION],
+[
+AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
+AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
+ cf_cv_ncurses_version=no
+ cf_tempfile=out$$
+ rm -f $cf_tempfile
+ AC_TRY_RUN([
+#include <${cf_cv_ncurses_header-curses.h}>
+#include <stdio.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 $cf_tempfile`],,[
+
+ # This will not work if the preprocessor splits the line after the
+ # Autoconf token. The 'unproto' program does that.
+ cat > conftest.$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.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
+ AC_TRY_EVAL(cf_try)
+ if test -f conftest.out ; then
+ cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
+ test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
+ rm -f conftest.out
+ fi
+])
+ rm -f $cf_tempfile
+])
+test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PATH_SYNTAX version: 11 updated: 2006/09/02 08:55:46
+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 work around autoconf's
+dnl delayed evaluation of those symbols.
+AC_DEFUN([CF_PATH_SYNTAX],[
+if test "x$prefix" != xNONE; then
+ cf_path_syntax="$prefix"
+else
+ cf_path_syntax="$ac_default_prefix"
+fi
+
+case ".[$]$1" in #(vi
+.\[$]\(*\)*|.\'*\'*) #(vi
+ ;;
+..|./*|.\\*) #(vi
+ ;;
+.[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
+ ;;
+.\[$]{*prefix}*) #(vi
+ eval $1="[$]$1"
+ case ".[$]$1" in #(vi
+ .NONE/*)
+ $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
+ ;;
+ esac
+ ;; #(vi
+.no|.NONE/*)
+ $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
+ ;;
+*)
+ ifelse($2,,[AC_ERROR([expected a pathname, not \"[$]$1\"])],$2)
+ ;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_POSIX_C_SOURCE version: 6 updated: 2005/07/14 20:25:10
+dnl -----------------
+dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
+dnl
+dnl POSIX.1-1990 _POSIX_SOURCE
+dnl POSIX.1-1990 and _POSIX_SOURCE and
+dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
+dnl Bindings Option
+dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
+dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
+dnl X/Open 2000 _POSIX_C_SOURCE=200112L
+dnl
+dnl Parameters:
+dnl $1 is the nominal value for _POSIX_C_SOURCE
+AC_DEFUN([CF_POSIX_C_SOURCE],
+[
+cf_POSIX_C_SOURCE=ifelse($1,,199506L,$1)
+
+cf_save_CFLAGS="$CFLAGS"
+cf_save_CPPFLAGS="$CPPFLAGS"
+
+CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
+CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
+
+AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
+ CF_MSG_LOG(if the symbol is already defined go no further)
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _POSIX_C_SOURCE
+make an error
+#endif],
+ [cf_cv_posix_c_source=no],
+ [cf_want_posix_source=no
+ case .$cf_POSIX_C_SOURCE in #(vi
+ .[[12]]??*) #(vi
+ cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
+ ;;
+ .2) #(vi
+ cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
+ cf_want_posix_source=yes
+ ;;
+ .*)
+ cf_want_posix_source=yes
+ ;;
+ esac
+ if test "$cf_want_posix_source" = yes ; then
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifdef _POSIX_SOURCE
+make an error
+#endif],[],
+ cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
+ fi
+ CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
+ CFLAGS="$cf_trim_CFLAGS"
+ CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
+ CF_MSG_LOG(if the second compile does not leave our definition intact error)
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _POSIX_C_SOURCE
+make an error
+#endif],,
+ [cf_cv_posix_c_source=no])
+ CFLAGS="$cf_save_CFLAGS"
+ CPPFLAGS="$cf_save_CPPFLAGS"
+ ])
+])
+
+if test "$cf_cv_posix_c_source" != no ; then
+ CFLAGS="$cf_trim_CFLAGS"
+ CPPFLAGS="$cf_trim_CPPFLAGS"
+ if test "$cf_cv_cc_u_d_options" = yes ; then
+ cf_temp_posix_c_source=`echo "$cf_cv_posix_c_source" | \
+ sed -e 's/-D/-U/g' -e 's/=[[^ ]]*//g'`
+ CPPFLAGS="$CPPFLAGS $cf_temp_posix_c_source"
+ fi
+ CPPFLAGS="$CPPFLAGS $cf_cv_posix_c_source"
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
+dnl ------------
+dnl Append definitions and rules for the given programs to the subdirectory
+dnl Makefiles, and the recursion rule for the top-level Makefile.
+dnl
+dnl parameters
+dnl $1 = script to run
+dnl $2 = list of subdirectories
+dnl
+dnl variables
+dnl $AWK
+AC_DEFUN([CF_PRG_RULES],
+[
+for cf_dir in $2
+do
+ if test ! -d $srcdir/$cf_dir; then
+ continue
+ elif test -f $srcdir/$cf_dir/programs; then
+ $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
+ fi
+done
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_CC_U_D version: 1 updated: 2005/07/14 16:59:30
+dnl --------------
+dnl Check if C (preprocessor) -U and -D options are processed in the order
+dnl given rather than by type of option. Some compilers insist on apply all
+dnl of the -U options after all of the -D options. Others allow mixing them,
+dnl and may predefine symbols that conflict with those we define.
+AC_DEFUN([CF_PROG_CC_U_D],
+[
+AC_CACHE_CHECK(if $CC -U and -D options work together,cf_cv_cc_u_d_options,[
+ cf_save_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="-UU_D_OPTIONS -DU_D_OPTIONS -DD_U_OPTIONS -UD_U_OPTIONS"
+ AC_TRY_COMPILE([],[
+#ifndef U_D_OPTIONS
+make an undefined-error
+#endif
+#ifdef D_U_OPTIONS
+make a defined-error
+#endif
+ ],[
+ cf_cv_cc_u_d_options=yes],[
+ cf_cv_cc_u_d_options=no])
+ CPPFLAGS="$cf_save_CPPFLAGS"
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_INSTALL version: 5 updated: 2002/12/21 22:46:07
+dnl ---------------
+dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
+dnl misc/tabset install won't work properly. Usually this happens only when
+dnl using the fallback mkinstalldirs script
+AC_DEFUN([CF_PROG_INSTALL],
+[AC_PROG_INSTALL
+case $INSTALL in
+/*)
+ ;;
+*)
+ CF_DIRNAME(cf_dir,$INSTALL)
+ test -z "$cf_dir" && cf_dir=.
+ INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
+ ;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_REMOVE_DEFINE version: 2 updated: 2005/07/09 16:12:18
+dnl ----------------
+dnl Remove all -U and -D options that refer to the given symbol from a list
+dnl of C compiler options. This works around the problem that not all
+dnl compilers process -U and -D options from left-to-right, so a -U option
+dnl cannot be used to cancel the effect of a preceding -D option.
+dnl
+dnl $1 = target (which could be the same as the source variable)
+dnl $2 = source (including '$')
+dnl $3 = symbol to remove
+define([CF_REMOVE_DEFINE],
+[
+# remove $3 symbol from $2
+$1=`echo "$2" | \
+ sed -e 's/-[[UD]]$3\(=[[^ ]]*\)\?[[ ]]/ /g' \
+ -e 's/-[[UD]]$3\(=[[^ ]]*\)\?[$]//g'`
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SUBDIR_PATH version: 4 updated: 2006/11/18 17:13:19
+dnl --------------
+dnl Construct a search-list for a nonstandard header/lib-file
+dnl $1 = the variable to return as result
+dnl $2 = the package name
+dnl $3 = the subdirectory, e.g., bin, include or lib
+AC_DEFUN([CF_SUBDIR_PATH],
+[$1=""
+
+test -d "[$]HOME" && {
+ test -n "$verbose" && echo " ... testing $3-directories under [$]HOME"
+ test -d "[$]HOME/$3" && $1="[$]$1 [$]HOME/$3"
+ test -d "[$]HOME/$3/$2" && $1="[$]$1 [$]HOME/$3/$2"
+ test -d "[$]HOME/$3/$2/$3" && $1="[$]$1 [$]HOME/$3/$2/$3"
+}
+
+# For other stuff under the home directory, it should be sufficient to put
+# a symbolic link for $HOME/$2 to the actual package location:
+test -d "[$]HOME/$2" && {
+ test -n "$verbose" && echo " ... testing $3-directories under [$]HOME/$2"
+ test -d "[$]HOME/$2/$3" && $1="[$]$1 [$]HOME/$2/$3"
+ test -d "[$]HOME/$2/$3/$2" && $1="[$]$1 [$]HOME/$2/$3/$2"
+}
+
+test "$prefix" != /usr/local && \
+test -d /usr/local && {
+ test -n "$verbose" && echo " ... testing $3-directories under /usr/local"
+ test -d /usr/local/$3 && $1="[$]$1 /usr/local/$3"
+ test -d /usr/local/$3/$2 && $1="[$]$1 /usr/local/$3/$2"
+ test -d /usr/local/$3/$2/$3 && $1="[$]$1 /usr/local/$3/$2/$3"
+ test -d /usr/local/$2/$3 && $1="[$]$1 /usr/local/$2/$3"
+ test -d /usr/local/$2/$3/$2 && $1="[$]$1 /usr/local/$2/$3/$2"
+}
+
+test "$prefix" != NONE && \
+test -d $prefix && {
+ test -n "$verbose" && echo " ... testing $3-directories under $prefix"
+ test -d $prefix/$3 && $1="[$]$1 $prefix/$3"
+ test -d $prefix/$3/$2 && $1="[$]$1 $prefix/$3/$2"
+ test -d $prefix/$3/$2/$3 && $1="[$]$1 $prefix/$3/$2/$3"
+ test -d $prefix/$2/$3 && $1="[$]$1 $prefix/$2/$3"
+ test -d $prefix/$2/$3/$2 && $1="[$]$1 $prefix/$2/$3/$2"
+}
+
+test "$prefix" != /opt && \
+test -d /opt && {
+ test -n "$verbose" && echo " ... testing $3-directories under /opt"
+ test -d /opt/$3 && $1="[$]$1 /opt/$3"
+ test -d /opt/$3/$2 && $1="[$]$1 /opt/$3/$2"
+ test -d /opt/$3/$2/$3 && $1="[$]$1 /opt/$3/$2/$3"
+ test -d /opt/$2/$3 && $1="[$]$1 /opt/$2/$3"
+ test -d /opt/$2/$3/$2 && $1="[$]$1 /opt/$2/$3/$2"
+}
+
+test "$prefix" != /usr && \
+test -d /usr && {
+ test -n "$verbose" && echo " ... testing $3-directories under /usr"
+ test -d /usr/$3 && $1="[$]$1 /usr/$3"
+ test -d /usr/$3/$2 && $1="[$]$1 /usr/$3/$2"
+ test -d /usr/$3/$2/$3 && $1="[$]$1 /usr/$3/$2/$3"
+ test -d /usr/$2/$3 && $1="[$]$1 /usr/$2/$3"
+}
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SYS_TIME_SELECT version: 4 updated: 2000/10/04 09:18:40
+dnl ------------------
+dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
+dnl older SCO configurations.
+AC_DEFUN([CF_SYS_TIME_SELECT],
+[
+AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
+AC_CACHE_VAL(cf_cv_sys_time_select,[
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+],[],[cf_cv_sys_time_select=yes],
+ [cf_cv_sys_time_select=no])
+ ])
+AC_MSG_RESULT($cf_cv_sys_time_select)
+test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_TERM_HEADER version: 1 updated: 2005/12/31 13:26:39
+dnl --------------
+dnl Look for term.h, which is part of X/Open curses. It defines the interface
+dnl to terminfo database. Usually it is in the same include-path as curses.h,
+dnl but some packagers change this, breaking various applications.
+AC_DEFUN([CF_TERM_HEADER],[
+AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
+case ${cf_cv_ncurses_header} in #(vi
+*/ncurses.h|*/ncursesw.h) #(vi
+ cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
+ ;;
+*)
+ cf_term_header=term.h
+ ;;
+esac
+
+for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
+do
+AC_TRY_COMPILE([#include <stdio.h>
+#include <${cf_cv_ncurses_header-curses.h}>
+#include <$cf_test>
+],[int x = auto_left_margin],[
+ cf_cv_term_header="$cf_test"],[
+ cf_cv_term_header=unknown
+ ])
+ test "$cf_cv_term_header" != unknown && break
+done
+])
+
+# Set definitions to allow ifdef'ing to accommodate subdirectories
+
+case $cf_cv_term_header in # (vi
+*term.h)
+ AC_DEFINE(HAVE_TERM_H)
+ ;;
+esac
+
+case $cf_cv_term_header in # (vi
+ncurses/term.h) #(vi
+ AC_DEFINE(HAVE_NCURSES_TERM_H)
+ ;;
+ncursesw/term.h)
+ AC_DEFINE(HAVE_NCURSESW_TERM_H)
+ ;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
+dnl --------
+dnl Make an uppercase version of a variable
+dnl $1=uppercase($2)
+AC_DEFUN([CF_UPPER],
+[
+$1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_VERBOSE version: 2 updated: 1997/09/05 10:45:14
+dnl ----------
+dnl Use AC_VERBOSE w/o the warnings
+AC_DEFUN([CF_VERBOSE],
+[test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_CURSES_DIR version: 2 updated: 2002/11/10 14:46:59
+dnl ------------------
+dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
+dnl libraries.
+AC_DEFUN([CF_WITH_CURSES_DIR],[
+AC_ARG_WITH(curses-dir,
+ [ --with-curses-dir=DIR directory in which (n)curses is installed],
+ [CF_PATH_SYNTAX(withval)
+ cf_cv_curses_dir=$withval],
+ [cf_cv_curses_dir=no])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_XOPEN_SOURCE version: 24 updated: 2006/04/02 16:41:09
+dnl ---------------
+dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
+dnl or adapt to the vendor's definitions to get equivalent functionality,
+dnl without losing the common non-POSIX features.
+dnl
+dnl Parameters:
+dnl $1 is the nominal value for _XOPEN_SOURCE
+dnl $2 is the nominal value for _POSIX_C_SOURCE
+AC_DEFUN([CF_XOPEN_SOURCE],[
+
+AC_REQUIRE([CF_PROG_CC_U_D])
+
+cf_XOPEN_SOURCE=ifelse($1,,500,$1)
+cf_POSIX_C_SOURCE=ifelse($2,,199506L,$2)
+
+case $host_os in #(vi
+aix[[45]]*) #(vi
+ CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE"
+ ;;
+freebsd*) #(vi
+ # 5.x headers associate
+ # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
+ # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
+ cf_POSIX_C_SOURCE=200112L
+ cf_XOPEN_SOURCE=600
+ CPPFLAGS="$CPPFLAGS -D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+ ;;
+hpux*) #(vi
+ CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
+ ;;
+irix[[56]].*) #(vi
+ CPPFLAGS="$CPPFLAGS -D_SGI_SOURCE"
+ ;;
+linux*|gnu*) #(vi
+ CF_GNU_SOURCE
+ ;;
+mirbsd*) #(vi
+ # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
+ ;;
+netbsd*) #(vi
+ # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
+ ;;
+openbsd*) #(vi
+ # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
+ ;;
+osf[[45]]*) #(vi
+ CPPFLAGS="$CPPFLAGS -D_OSF_SOURCE"
+ ;;
+nto-qnx*) #(vi
+ CPPFLAGS="$CPPFLAGS -D_QNX_SOURCE"
+ ;;
+sco*) #(vi
+ # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
+ ;;
+solaris*) #(vi
+ CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
+ ;;
+*)
+ AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_cv_xopen_source=no],
+ [cf_save="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifdef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_cv_xopen_source=no],
+ [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
+ CPPFLAGS="$cf_save"
+ ])
+])
+ if test "$cf_cv_xopen_source" != no ; then
+ CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
+ CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
+ test "$cf_cv_cc_u_d_options" = yes && \
+ CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
+ CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_cv_xopen_source"
+ fi
+ CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
+ ;;
+esac
+])
projects / ncurses.git / blobdiff