+AC_MSG_RESULT($cf_cv_curses_dir)
+
+if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
+then
+ CF_PATH_SYNTAX(withval)
+ if test -d "$cf_cv_curses_dir"
+ then
+ CF_ADD_INCDIR($cf_cv_curses_dir/include)
+ CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
+ fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
+dnl ----------------
+dnl Configure-option for dbmalloc. The optional parameter is used to override
+dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
+AC_DEFUN([CF_WITH_DBMALLOC],[
+CF_NO_LEAKS_OPTION(dbmalloc,
+ [ --with-dbmalloc test: use Conor Cahill's dbmalloc library],
+ [USE_DBMALLOC])
+
+if test "$with_dbmalloc" = yes ; then
+ AC_CHECK_HEADER(dbmalloc.h,
+ [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
+dnl ---------------
+dnl Configure-option for dmalloc. The optional parameter is used to override
+dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
+AC_DEFUN([CF_WITH_DMALLOC],[
+CF_NO_LEAKS_OPTION(dmalloc,
+ [ --with-dmalloc test: use Gray Watson's dmalloc library],
+ [USE_DMALLOC])
+
+if test "$with_dmalloc" = yes ; then
+ AC_CHECK_HEADER(dmalloc.h,
+ [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_LIB_BASENAME version: 1 updated: 2020/03/07 20:05:14
+dnl --------------------
+dnl Allow for overriding the basename of a library, i.e., the part to which
+dnl prefixes/suffixes are attached.
+dnl
+dnl $1 = variable to set
+dnl $2 = option name
+dnl $3 = default basename for library, if omitted use $2
+AC_DEFUN([CF_WITH_LIB_BASENAME],
+[
+AC_MSG_CHECKING(for desired basename for $2 library)
+AC_ARG_WITH($2-libname,
+ [ --with-$2-libname=XXX override ifelse($3,,$2,$3) basename of library],
+ [with_lib_basename=$withval],
+ [with_lib_basename=ifelse($3,,$2,$3)])
+$1="$with_lib_basename"
+
+case "x[$]$1" in
+(x|xno|xnone|xyes)
+ $1=ifelse($3,,$2,$3)
+ ;;
+(*)
+ ;;
+esac
+
+AC_MSG_RESULT([$]$1)
+AC_SUBST($1)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_NCURSES_ETC version: 5 updated: 2016/02/20 19:23:20
+dnl -------------------
+dnl Use this macro for programs which use any variant of "curses", e.g.,
+dnl "ncurses", and "PDCurses". Programs that can use curses and some unrelated
+dnl library (such as slang) should use a "--with-screen=XXX" option.
+dnl
+dnl This does not use AC_DEFUN, because that would tell autoconf to run each
+dnl of the macros inside this one - before this macro.
+define([CF_WITH_NCURSES_ETC],[
+CF_WITH_CURSES_DIR
+
+cf_cv_screen=curses
+
+AC_MSG_CHECKING(for specified curses library type)
+AC_ARG_WITH(screen,
+ [ --with-screen=XXX use specified curses-libraries],
+ [cf_cv_screen=$withval],[
+
+AC_ARG_WITH(ncursesw,
+ [ --with-ncursesw use wide ncurses-libraries],
+ [cf_cv_screen=ncursesw],[
+
+AC_ARG_WITH(ncurses,
+ [ --with-ncurses use ncurses-libraries],
+ [cf_cv_screen=ncurses],[
+
+AC_ARG_WITH(pdcurses,
+ [ --with-pdcurses compile/link with pdcurses X11 library],
+ [cf_cv_screen=pdcurses],[
+
+AC_ARG_WITH(curses-colr,
+ [ --with-curses-colr compile/link with HPUX 10.x color-curses],
+ [cf_cv_screen=curses_colr],[
+
+AC_ARG_WITH(curses-5lib,
+ [ --with-curses-5lib compile/link with SunOS 5lib curses],
+ [cf_cv_screen=curses_5lib])])])])])])
+
+AC_MSG_RESULT($cf_cv_screen)
+
+case $cf_cv_screen in
+(curses|curses_*)
+ CF_CURSES_CONFIG
+ ;;
+(ncursesw*)
+ CF_UTF8_LIB
+ CF_NCURSES_CONFIG($cf_cv_screen)
+ ;;
+(ncurses*)
+ CF_NCURSES_CONFIG($cf_cv_screen)
+ ;;
+(pdcurses)
+ CF_PDCURSES_X11
+ ;;
+(*)
+ AC_MSG_ERROR(unexpected screen-value: $cf_cv_screen)
+ ;;
+esac
+
+CF_NCURSES_PTHREADS($cf_cv_screen)
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_SCREEN_PDCURSES version: 1 updated: 2020/08/28 16:56:27
+dnl -----------------------
+dnl Call this macro before CF_ENABLE_WARNINGS for configure scripts which use
+dnl the "--with-screen=pdcurses" selection. Doing that allows the configure
+dnl script to search for the X11/Xt header files to declare (or not) the
+dnl symbol needed to enable "const" in those header files. If that configure
+dnl option is not used, then those checks are unnecessary.
+AC_DEFUN([CF_WITH_SCREEN_PDCURSES],[
+AC_PROVIDE([AC_PATH_XTRA])
+AC_PROVIDE([AC_PATH_X])
+if test -n "$with_screen" && test "x$with_screen" = "xpdcurses"
+then
+ AC_PATH_X
+ AC_PATH_XTRA
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
+dnl ----------------
+AC_DEFUN([CF_WITH_VALGRIND],[
+CF_NO_LEAKS_OPTION(valgrind,
+ [ --with-valgrind test: use valgrind],
+ [USE_VALGRIND])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_X11_RGB version: 2 updated: 2019/12/31 08:53:54
+dnl ---------------
+dnl Handle configure option "--with-x11-rgb", setting these shell
+dnl variables:
+dnl
+dnl $RGB_PATH is the option value, used for finding the X11 rgb file.
+dnl $no_x11_rgb is a "#" (comment) if "--without-x11-rgb" is given.
+dnl
+dnl Most Linux's use this:
+dnl /usr/share/X11/rgb.txt
+dnl Debian uses this:
+dnl /etc/X11/rgb.txt
+dnl DragonFlyBSD ports uses this:
+dnl /usr/pkg/lib/X11/rgb.txt
+dnl FreeBSD ports use these:
+dnl /usr/local/lib/X11/rgb.txt
+dnl /usr/local/share/X11/rgb.txt
+dnl Mandriva has these:
+dnl /usr/lib/X11/rgb.txt
+dnl /usr/lib64/X11/rgb.txt
+dnl NetBSD has these
+dnl /usr/X11R7/lib/X11/rgb.txt
+dnl OpenSolaris uses
+dnl 32-bit:
+dnl /usr/X11/etc/X11/rgb.txt
+dnl /usr/X11/share/X11/rgb.txt
+dnl /usr/X11/lib/X11/rgb.txt
+dnl OSX uses
+dnl /opt/local/share/X11/rgb.txt (MacPorts)
+dnl /opt/X11/share/X11/rgb.txt (non-ports)
+dnl 64-bit:
+dnl /usr/X11/etc/X11/rgb.txt
+dnl /usr/X11/share/X11/rgb.txt (perhaps)
+dnl /usr/X11/lib/amd64/X11/rgb.txt
+dnl Solaris10 uses (in this order):
+dnl /usr/openwin/lib/X11/rgb.txt
+dnl /usr/X11/lib/X11/rgb.txt
+AC_DEFUN([CF_WITH_X11_RGB],[
+AC_MSG_CHECKING(for X11 rgb file)
+AC_ARG_WITH(x11-rgb,
+ [ --with-x11-rgb=FILE file containing X11 rgb information (EPREFIX/lib/X11/rgb.txt)],
+ [RGB_PATH=$withval],
+ [RGB_PATH=auto])
+
+if test "x[$]RGB_PATH" = xauto
+then
+ RGB_PATH='${exec_prefix}/lib/X11/rgb.txt'
+ for cf_path in \
+ /opt/local/share/X11/rgb.txt \
+ /opt/X11/share/X11/rgb.txt \
+ /usr/share/X11/rgb.txt \
+ /usr/X11/share/X11/rgb.txt \
+ /usr/X11/lib/X11/rgb.txt \
+ /usr/lib/X11/rgb.txt \
+ /etc/X11/rgb.txt \
+ /usr/pkg/lib/X11/rgb.txt \
+ /usr/X11R7/lib/X11/rgb.txt \
+ /usr/X11R6/lib/X11/rgb.txt \
+ /usr/X11R5/lib/X11/rgb.txt \
+ /usr/X11R4/lib/X11/rgb.txt \
+ /usr/local/lib/X11/rgb.txt \
+ /usr/local/share/X11/rgb.txt \
+ /usr/lib64/X11/rgb.txt
+ do
+ if test -f "$cf_path" ; then
+ RGB_PATH="$cf_path"
+ break
+ fi
+ done
+else
+ cf_path=$RGB_PATH
+ CF_PATH_SYNTAX(cf_path)
+fi
+
+AC_MSG_RESULT($RGB_PATH)
+AC_SUBST(RGB_PATH)
+AC_DEFINE_UNQUOTED(RGB_PATH,"$cf_path",[Define to the full pathname of rgb.txt])
+
+no_x11_rgb=
+if test "$RGB_PATH" = no
+then
+ no_x11_rgb="#"
+fi
+AC_SUBST(no_x11_rgb)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_XOPEN_CURSES version: 16 updated: 2021/01/02 09:31:20
+dnl ---------------
+dnl Test if we should define X/Open source for curses, needed on Digital Unix
+dnl 4.x, to see the extended functions, but breaks on IRIX 6.x.
+dnl
+dnl The getbegyx() check is needed for HPUX, which omits legacy macros such
+dnl as getbegy(). The latter is better design, but the former is standard.
+AC_DEFUN([CF_XOPEN_CURSES],
+[
+AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
+AC_CACHE_CHECK(definition to turn on extended curses functions,cf_cv_need_xopen_extension,[
+cf_cv_need_xopen_extension=unknown
+AC_TRY_LINK([
+#include <stdlib.h>
+#include <${cf_cv_ncurses_header:-curses.h}>],[
+#if defined(NCURSES_VERSION_PATCH)
+#if (NCURSES_VERSION_PATCH < 20100501) && (NCURSES_VERSION_PATCH >= 20100403)
+ make an error
+#endif
+#endif
+#ifdef NCURSES_VERSION
+ cchar_t check;
+ int check2 = curs_set((int)sizeof(check));
+#endif
+ long x = winnstr(stdscr, "", 0);
+ int x1, y1;
+#ifdef NCURSES_VERSION
+ (void)check2;
+#endif
+ getbegyx(stdscr, y1, x1);
+ (void)x;
+ (void)y1;
+ (void)x1;
+ ],
+ [cf_cv_need_xopen_extension=none],
+ [
+ for cf_try_xopen_extension in _XOPEN_SOURCE_EXTENDED NCURSES_WIDECHAR
+ do
+ AC_TRY_LINK([
+#define $cf_try_xopen_extension 1
+#include <stdlib.h>
+#include <${cf_cv_ncurses_header:-curses.h}>],[
+#ifdef NCURSES_VERSION
+ cchar_t check;
+ int check2 = curs_set((int)sizeof(check));
+#endif
+ long x = winnstr(stdscr, "", 0);
+ int x1, y1;
+ getbegyx(stdscr, y1, x1);
+#ifdef NCURSES_VERSION
+ (void)check2;
+#endif
+ (void)x;
+ (void)y1;
+ (void)x1;
+ ],
+ [cf_cv_need_xopen_extension=$cf_try_xopen_extension; break])
+ done
+ ])
+])
+
+case "$cf_cv_need_xopen_extension" in
+(*_*)
+ CF_APPEND_TEXT(CPPFLAGS,-D$cf_cv_need_xopen_extension)
+ ;;
+esac
+