X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=configure.in;h=2183a9781483539289296313fdf0b2a422513a81;hp=86eab0691a48ab654e74b82892b618d2a1201eb3;hb=a6ff7e087fd944fd0035075d0bb528e95e498d81;hpb=445bfe6a0fb691e3433d586a188be2ebe062384b

diff --git a/configure.in b/configure.in
index 86eab069..2183a978 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,6 @@
 dnl***************************************************************************
-dnl Copyright (c) 1998-2015,2016 Free Software Foundation, Inc.              *
+dnl Copyright 2018-2019,2020 Thomas E. Dickey                                *
+dnl Copyright 1998-2017,2018 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            *
@@ -28,17 +29,21 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: configure.in,v 1.626 2016/02/06 21:59:17 tom Exp $
+dnl $Id: configure.in,v 1.697 2020/02/08 20:56:13 tom Exp $
 dnl Process this file with autoconf to produce a configure script.
 dnl
-dnl See http://invisible-island.net/autoconf/ for additional information.
+dnl For additional information, see
+dnl     https://invisible-island.net/autoconf/
+dnl     https://invisible-island.net/autoconf/my-autoconf.html
 dnl
 dnl ---------------------------------------------------------------------------
-AC_PREREQ(2.52.20030208)
-AC_REVISION($Revision: 1.626 $)
+AC_PREREQ(2.52.20200111)
+AC_REVISION($Revision: 1.697 $)
 AC_INIT(ncurses/base/lib_initscr.c)
 AC_CONFIG_HEADER(include/ncurses_cfg.h:include/ncurses_cfg.hin)
 
+AC_DEFUN([AC_PATH_XTRA],[])dnl ignore dependencies on this
+
 CF_TOP_BUILDDIR
 CF_SUBST_NCURSES_VERSION
 CF_VERSION_INFO(NCURSES,ncurses)
@@ -58,21 +63,21 @@ CF_ABI_DEFAULTS
 
 ###	Checks for programs.
 AC_ARG_WITH(ada,
-	[  --without-ada           suppress check for Ada95, don't build demo],
+	[  --without-ada           suppress check for Ada compiler, don't build demo],
 	[cf_with_ada=$withval],
 	[cf_with_ada=yes])
+
 if test "x$cf_with_ada" = xyes
 then
-	cf_PROG_CC="gnatgcc gcc cc"
+	cf_prog_cc="gnatgcc gcc cc"
 else
-	cf_PROG_CC="gcc cc"
+	cf_prog_cc="gcc cc"
 fi
-
-CF_PROG_CC($cf_PROG_CC)
+CF_PROG_CC($cf_prog_cc)
 
 AC_PROG_CPP
 AC_PROG_GCC_TRADITIONAL
-CF_PROG_CC_C_O(CC)
+CF_PROG_CC_C_O(CC,[$CFLAGS $CPPFLAGS])
 CF_PROG_LDCONFIG
 
 dnl DEFECT in autoconf 2.12:	an attempt to set policy, this breaks the
@@ -154,7 +159,7 @@ AC_ARG_WITH(cxx-binding,
 	[cf_with_cxx_binding=$cf_with_cxx])
 AC_MSG_RESULT($cf_with_cxx_binding)
 
-AC_MSG_CHECKING(if you want to build with Ada95)
+AC_MSG_CHECKING(if you want to build with Ada)
 AC_MSG_RESULT($cf_with_ada)
 
 AC_MSG_CHECKING(if you want to install terminal database)
@@ -178,6 +183,22 @@ AC_ARG_WITH(progs,
 	[cf_with_progs=yes])
 AC_MSG_RESULT($cf_with_progs)
 
+if test -f $srcdir/tack/tack.h; then
+	if test "x$cross_compiling" = xyes ; then
+		CF_VERBOSE(ignoring tack because we are cross-compiling)
+		cf_with_tack=no
+	else
+		AC_MSG_CHECKING(if you want to build the tack program)
+		AC_ARG_WITH(tack,
+			[  --without-tack          suppress build/install with tack program],
+			[cf_with_tack=$withval],
+			[cf_with_tack=$cf_with_progs])
+		AC_MSG_RESULT($cf_with_tack)
+	fi
+else
+	cf_with_tack=no
+fi
+
 AC_MSG_CHECKING(if you want to build test-programs)
 AC_ARG_WITH(tests,
 	[  --without-tests         suppress build/install with test-programs],
@@ -193,9 +214,8 @@ AC_ARG_WITH(curses-h,
 AC_MSG_RESULT($with_curses_h)
 
 modules_to_build="ncurses"
-if test "X$cf_with_progs" != Xno ; then
-modules_to_build="$modules_to_build progs tack"
-fi
+test "X$cf_with_progs" != Xno && modules_to_build="$modules_to_build progs"
+test "X$cf_with_tack"  != Xno && modules_to_build="$modules_to_build tack"
 modules_to_build="$modules_to_build panel menu form"
 
 AC_ARG_PROGRAM
@@ -208,7 +228,21 @@ CF_PROG_LN_S
 
 AC_SYS_LONG_FILE_NAMES
 
-# if we find pkg-config, check if we should install the ".pc" files.
+# Provide for renaming "ncurses5-config" to "ncurses5X-config", etc., in case
+# of package conflict.
+cf_config_suffix=
+AC_ARG_WITH(config-suffix,
+	[  --with-config-suffix=X  suffixes ncursesXX-config file],
+	[case "x$withval" in
+	(xyes|xno)
+		AC_MSG_WARN(expected a value for config-suffix option)
+		;;
+	(*)	cf_config_suffix="$withval"
+		;;
+	esac])
+AC_SUBST(cf_config_suffix)
+
+# If we find pkg-config, check if we should install the ".pc" files.
 CF_PKG_CONFIG
 CF_WITH_PKG_CONFIG_LIBDIR
 CF_ENABLE_PC_FILES
@@ -394,36 +428,6 @@ AC_ARG_WITH(ticlib,
 	[with_ticlib=no])
 AC_MSG_RESULT($with_ticlib)
 
-### Checks for special libraries, must be done up-front.
-SHLIB_LIST=""
-CF_WITH_GPM
-if test "$with_gpm" != no ; then
-	AC_MSG_CHECKING(if you want to load GPM dynamically)
-	AC_ARG_WITH(dlsym,
-		[  --without-dlsym         do not use dlsym() to load GPM dynamically],
-		[with_dlsym=$withval],
-		[with_dlsym=yes])
-	AC_MSG_RESULT($with_dlsym)
-	if test "x$with_dlsym" = xyes ; then
-		CF_FUNC_DLSYM
-		if test "x$with_gpm" != xyes ; then
-			CF_VERBOSE(assuming soname for gpm is $with_gpm)
-			cf_cv_gpm_soname="$with_gpm"
-		else
-			CF_LIB_SONAME([#include <gpm.h>],[if (Gpm_Open(0,0)) Gpm_Close();],gpm)
-		fi
-		test "$cf_cv_gpm_soname" != "unknown" && AC_DEFINE_UNQUOTED(LIBGPM_SONAME,"$cf_cv_gpm_soname",[Define as needed to set the gpm share library soname])
-		SHLIB_LIST="-ldl $SHLIB_LIST"
-	else
-		SHLIB_LIST="-lgpm $SHLIB_LIST"
-		CF_ADD_LIB(gpm,TEST_LIBS)
-	fi
-	AC_DEFINE(HAVE_LIBGPM,1,[Define to 1 if we have the gpm library])
-	CF_CHECK_GPM_WGETCH
-fi
-
-CF_WITH_SYSMOUSE
-
 dnl Not all ports of gcc support the -g option
 
 if test X"$CC_G_OPT" = X"" ; then
@@ -474,11 +478,57 @@ for model in $cf_list_models; do
 		if test "$CC_SHARED_OPTS" = "unknown"; then
 			AC_ERROR(Shared libraries are not supported in this version)
 		fi
+		# workaround for inept transition to PIE vs PIC...
+		AC_MSG_CHECKING(if current CFLAGS link properly)
+		AC_TRY_LINK(
+			[#include <stdio.h>],
+			[printf("Hello work\n");],
+			[cf_cflags_work=yes],
+			[cf_cflags_work=no])
+		AC_MSG_RESULT($cf_cflags_work)
+		if test "$cf_cflags_work" = no
+		then
+			CF_VERBOSE(try to work around by appending shared-options)
+			CFLAGS="$CFLAGS $CC_SHARED_OPTS"
+		fi
 		CF_WITH_VERSIONED_SYMS
 		;;
 	esac
 done
 
+### Checks for special libraries, must be done up-front.
+SHLIB_LIST=""
+CF_WITH_GPM
+if test "$with_gpm" != no ; then
+	AC_MSG_CHECKING(if you want to load GPM dynamically)
+	AC_ARG_WITH(dlsym,
+		[  --without-dlsym         do not use dlsym() to load GPM dynamically],
+		[with_dlsym=$withval],
+		[with_dlsym=yes])
+	AC_MSG_RESULT($with_dlsym)
+	if test "x$with_dlsym" = xyes ; then
+		CF_FUNC_DLSYM
+		if test "x$with_gpm" != xyes ; then
+			CF_VERBOSE(assuming soname for gpm is $with_gpm)
+			cf_cv_gpm_soname="$with_gpm"
+		else
+			CF_LIB_SONAME([#include <gpm.h>],[if (Gpm_Open(0,0)) Gpm_Close();],gpm)
+		fi
+		test "$cf_cv_gpm_soname" != "unknown" && AC_DEFINE_UNQUOTED(LIBGPM_SONAME,"$cf_cv_gpm_soname",[Define as needed to set the gpm share library soname])
+		SHLIB_LIST="-ldl $SHLIB_LIST"
+		CF_ADD_LIB(dl,PRIVATE_LIBS)
+	else
+		SHLIB_LIST="-lgpm $SHLIB_LIST"
+		CF_ADD_LIB(gpm,TEST_LIBS)
+		CF_ADD_LIB(gpm,PRIVATE_LIBS)
+	fi
+	AC_DEFINE(HAVE_LIBGPM,1,[Define to 1 if we have the gpm library])
+	CF_CHECK_GPM_WGETCH
+fi
+
+CF_WITH_PCRE2
+CF_WITH_SYSMOUSE
+
 # pretend that ncurses==ncursesw==ncursest
 AC_MSG_CHECKING(if you want to disable library suffixes)
 CF_ARG_DISABLE(lib-suffixes,
@@ -489,7 +539,7 @@ CF_ARG_DISABLE(lib-suffixes,
 AC_MSG_RESULT($disable_lib_suffixes)
 
 ### If we're building with rpath, try to link non-standard libs that way too.
-if test "$DFT_LWR_MODEL" = "shared"; then
+if test "$DFT_LWR_MODEL" = "shared" && test "x$cf_cv_enable_rpath" != xno; then
 	CF_DISABLE_RPATH_HACK
 fi
 
@@ -566,8 +616,39 @@ AC_ARG_WITH(fallbacks,
 	[with_fallback=$withval],
 	[with_fallback=])
 AC_MSG_RESULT($with_fallback)
-FALLBACK_LIST=`test "$with_fallback" != no && echo "$with_fallback" | sed -e 's/,/ /g'`
+
+case ".$with_fallback" in
+(.|.no)
+	FALLBACK_LIST=
+	;;
+(.yes)
+	AC_MSG_WARN(expected a list of terminal descriptions)
+	;;
+(*)
+	FALLBACK_LIST=`echo "$with_fallback" | sed -e 's/,/ /g'`
+	;;
+esac
+
+USE_FALLBACKS=
+test -z "$FALLBACK_LIST" && USE_FALLBACKS="#"
 AC_SUBST(FALLBACK_LIST)
+AC_SUBST(USE_FALLBACKS)
+
+# The fallback feature in ncurses relies upon tic/infocmp outside the build
+# tree for generating the terminal descriptions that will be compiled into the
+# library.  If your toolchain is old, it may not handle current terminal
+# databases.  Use configure-options to point to the tools which will be used,
+# rather than the first ones found on the $PATH.
+if test -n "$FALLBACK_LIST"
+then
+	CF_WITH_PATH_PROG(TIC,     tic,     [for fallbacks], $PATH:/usr/local/ncurses/bin)
+	CF_WITH_PATH_PROG(INFOCMP, infocmp, [for fallbacks], $PATH:/usr/local/ncurses/bin)
+else
+	: ${TIC:=tic}
+	: ${INFOCMP:=infocmp}
+fi
+AC_SUBST(TIC)
+AC_SUBST(INFOCMP)
 
 AC_MSG_CHECKING(if you want modern xterm or antique)
 AC_ARG_WITH(xterm-new,
@@ -617,6 +698,13 @@ CF_WITH_PATHLIST(terminfo-dirs,
 AC_MSG_RESULT($TERMINFO_DIRS)
 test -n "$TERMINFO_DIRS" && AC_DEFINE_UNQUOTED(TERMINFO_DIRS,"$TERMINFO_DIRS",[Define as needed to predefine the TERMINFO_DIR searchlist])
 
+case "x$TERMINFO" in
+x???:*)
+	AC_MSG_WARN(ignoring non-directory/file TERMINFO value)
+	unset TERMINFO
+	;;
+esac
+
 AC_MSG_CHECKING(for default terminfo directory)
 CF_WITH_PATH(default-terminfo-dir,
 	[  --with-default-terminfo-dir=DIR default terminfo directory],
@@ -769,27 +857,7 @@ test "x$with_links" = xyes && AC_DEFINE(USE_LINKS,1,[Define to 1 if hardlinks sh
 test "x$with_symlinks" = xyes && AC_DEFINE(USE_SYMLINKS,1,[Define to 1 if symbolic links should be used in terminfo database])
 
 ###   use option --enable-broken-linker to force on use of broken-linker support
-AC_MSG_CHECKING(if you want broken-linker support code)
-AC_ARG_ENABLE(broken_linker,
-	[  --enable-broken_linker  compile with broken-linker support code],
-	[with_broken_linker=$enableval],
-	[with_broken_linker=${BROKEN_LINKER:-no}])
-AC_MSG_RESULT($with_broken_linker)
-
-BROKEN_LINKER=0
-if test "x$with_broken_linker" = xyes ; then
-	AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
-	BROKEN_LINKER=1
-elif test "$DFT_LWR_MODEL" = shared ; then
-	case $cf_cv_system_name in
-	(cygwin*)
-		AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
-		BROKEN_LINKER=1
-		CF_VERBOSE(cygwin linker is broken anyway)
-		;;
-	esac
-fi
-AC_SUBST(BROKEN_LINKER)
+CF_ENABLE_BROKEN_LINKER
 
 ###   use option --enable-bsdpad to have tputs process BSD-style prefix padding
 AC_MSG_CHECKING(if tputs should process BSD-style prefix padding)
@@ -811,7 +879,7 @@ NCURSES_WINT_T=0
 
 # Check to define _XOPEN_SOURCE "automatically"
 CPPFLAGS_before_XOPEN="$CPPFLAGS"
-CF_XOPEN_SOURCE(500)
+CF_XOPEN_SOURCE(600)
 CPPFLAGS_after_XOPEN="$CPPFLAGS"
 
 # Work around breakage on OS X
@@ -913,6 +981,23 @@ else
 	with_tic_depends=no
 fi
 
+###   use option --disable-wattr-macros to suppress wattr* macros from curses.h
+AC_MSG_CHECKING(if you want to suppress wattr* macros to help with ncurses5/ncurses6 transition)
+AC_ARG_ENABLE(wattr-macros,
+	[  --disable-wattr-macros  suppress wattr* macros to help with ncurses5/ncurses6 transition],
+	[with_wattr_macros=$enableval],
+	[with_wattr_macros=yes])
+if [[ "x$with_wattr_macros" != xyes ]]; then
+	NCURSES_WATTR_MACROS=0
+	AC_MSG_RESULT(yes)
+else
+	NCURSES_WATTR_MACROS=1
+	AC_MSG_RESULT(no)
+fi
+AC_SUBST(NCURSES_WATTR_MACROS)
+
+CF_WITH_X11_RGB
+
 ###   use option --with-bool to override bool's type
 AC_MSG_CHECKING(for type of bool)
 AC_ARG_WITH(bool,
@@ -965,6 +1050,21 @@ AC_ARG_WITH(ccharw-max,
 AC_MSG_RESULT($NCURSES_CCHARW_MAX)
 AC_SUBST(NCURSES_CCHARW_MAX)
 
+AC_CHECK_SIZEOF([signed char])
+if test "$ac_cv_sizeof_signed_char" = 1 ; then
+	NCURSES_SBOOL="signed char"
+else
+	NCURSES_SBOOL="char"
+fi
+AC_MSG_CHECKING(if you want to use signed Boolean array in term.h)
+AC_ARG_ENABLE(signed-char,
+	[  --enable-signed-char    compile using signed Boolean's in term.h],
+	[with_signed_char=$enableval],
+	[with_signed_char=no])
+AC_MSG_RESULT($with_signed_char)
+test "x$with_signed_char" != xyes && NCURSES_SBOOL="char"
+AC_SUBST(NCURSES_SBOOL)
+
 ###   use option --with-tparm-arg to override tparm's argument type
 AC_MSG_CHECKING(for type of tparm args)
 AC_ARG_WITH(tparm-arg,
@@ -984,7 +1084,7 @@ AC_MSG_RESULT($with_rcs_ids)
 test "x$with_rcs_ids" = xyes && AC_DEFINE(USE_RCS_IDS,1,[Define to 1 to compile-in RCS identifiers])
 
 ###############################################################################
-CF_MAN_PAGES([ captoinfo clear infocmp infotocap tabs tic toe tput tset ])
+CF_MAN_PAGES([ captoinfo clear infocmp infotocap reset tabs tic toe tput tset ])
 
 ###############################################################################
 CF_HELP_MESSAGE(Extensions:)
@@ -998,18 +1098,20 @@ AC_ARG_ENABLE(ext-funcs,
 AC_MSG_RESULT($with_ext_funcs)
 if test "x$with_ext_funcs" = xyes ; then
 	NCURSES_EXT_FUNCS=1
-	AC_DEFINE(HAVE_ASSUME_DEFAULT_COLORS,1,[Define to 1 to enable assume_default_colors() function])
-	AC_DEFINE(HAVE_CURSES_VERSION,1,[Define to 1 to enable curses_version() function])
-	AC_DEFINE(HAVE_HAS_KEY,1,[Define to 1 to enable has_key() function])
-	AC_DEFINE(HAVE_RESIZETERM,1,[Define to 1 to enable resizeterm() function])
-	AC_DEFINE(HAVE_RESIZE_TERM,1,[Define to 1 to enable resize_term() function])
-	AC_DEFINE(HAVE_TERM_ENTRY_H,1,[Define to 1 to enable term_entry() function])
-	AC_DEFINE(HAVE_USE_DEFAULT_COLORS,1,[Define to 1 to enable use_default_colors() function])
-	AC_DEFINE(HAVE_USE_SCREEN,1,[Define to 1 to enable use_screen() function])
-	AC_DEFINE(HAVE_USE_WINDOW,1,[Define to 1 to enable use_window() function])
-	AC_DEFINE(HAVE_WRESIZE,1,[Define to 1 to enable wresize() function])
 	AC_DEFINE(NCURSES_EXT_FUNCS,1,[Define to 1 to enable ncurses extended functions])
+	AC_DEFINE(HAVE_ASSUME_DEFAULT_COLORS,1,[Define to 1 to enable assume_default_colors() function in test-programs])
+	AC_DEFINE(HAVE_CURSES_VERSION,1,[Define to 1 to enable curses_version() function in test-programs])
+	AC_DEFINE(HAVE_HAS_KEY,1,[Define to 1 to enable has_key() function in test-programs])
+	AC_DEFINE(HAVE_RESIZETERM,1,[Define to 1 to enable resizeterm() function in test-programs])
+	AC_DEFINE(HAVE_RESIZE_TERM,1,[Define to 1 to enable resize_term() function in test-programs])
+	AC_DEFINE(HAVE_TERM_ENTRY_H,1,[Define to 1 to enable term_entry() function in test-programs])
+	AC_DEFINE(HAVE_USE_DEFAULT_COLORS,1,[Define to 1 to enable use_default_colors() function in test-programs])
+	AC_DEFINE(HAVE_USE_EXTENDED_NAMES,1,[Define to 1 to enable use_extended_names() function in test-programs])
+	AC_DEFINE(HAVE_USE_SCREEN,1,[Define to 1 to enable use_screen() function in test-programs])
+	AC_DEFINE(HAVE_USE_WINDOW,1,[Define to 1 to enable use_window() function in test-programs])
+	AC_DEFINE(HAVE_WRESIZE,1,[Define to 1 to enable wresize() function in test-programs])
 	GENERATED_EXT_FUNCS=generated
+	test "x$with_ext_funcs" = xyes || cf_dft_ext_spfuncs=no
 else
 	NCURSES_EXT_FUNCS=0
 	GENERATED_EXT_FUNCS=
@@ -1026,6 +1128,7 @@ AC_MSG_RESULT($with_sp_funcs)
 if test "x$with_sp_funcs" = xyes ; then
 	NCURSES_SP_FUNCS=1
 	AC_DEFINE(NCURSES_SP_FUNCS,1,[Define to 1 to enable SCREEN-extensions])
+	AC_DEFINE(HAVE_TPUTS_SP,1,[Define to 1 to enable tputs_sp() function in test-programs])
 	GENERATED_SP_FUNCS=generated
 else
 	NCURSES_SP_FUNCS=0
@@ -1079,6 +1182,9 @@ if test "x$with_ext_colors" = xyes ; then
 		CF_NCURSES_ABI_6
 		NCURSES_EXT_COLORS=1
 		AC_DEFINE(NCURSES_EXT_COLORS,1,[Define to 1 to compile for 256-color support])
+		AC_DEFINE(HAVE_ALLOC_PAIR,1,[Define to 1 to enable alloc_pair() function])
+		AC_DEFINE(HAVE_INIT_EXTENDED_COLOR,1,[Define to 1 to enable init_extended_color() function in test-programs])
+		AC_DEFINE(HAVE_RESET_COLOR_PAIRS,1,[Define to 1 to enable reset_color_pairs() function in test-programs])
 	fi
 fi
 AC_SUBST(NCURSES_EXT_COLORS)
@@ -1116,21 +1222,6 @@ AC_ARG_ENABLE(no-padding,
 AC_MSG_RESULT($with_no_padding)
 test "x$with_no_padding" = xyes && AC_DEFINE(NCURSES_NO_PADDING,1,[Define to 1 to compile with $NCURSES_NO_PADDING code])
 
-AC_CHECK_SIZEOF([signed char], 0)
-if test "$ac_cv_sizeof_signed_char" = 1 ; then
-	NCURSES_SBOOL="signed char"
-else
-	NCURSES_SBOOL="char"
-fi
-AC_MSG_CHECKING(if you want to use signed Boolean array in term.h)
-AC_ARG_ENABLE(signed-char,
-	[  --enable-signed-char    compile using signed Boolean's in term.h],
-	[with_signed_char=$enableval],
-	[with_signed_char=no])
-AC_MSG_RESULT($with_signed_char)
-test "x$with_signed_char" != xyes && NCURSES_SBOOL="char"
-AC_SUBST(NCURSES_SBOOL)
-
 ###   use option --enable-sigwinch to turn on use of SIGWINCH logic
 AC_MSG_CHECKING(if you want SIGWINCH handler)
 AC_ARG_ENABLE(sigwinch,
@@ -1151,76 +1242,8 @@ NCURSES_XNAMES=0
 test "x$with_tcap_names" = xyes && NCURSES_XNAMES=1
 AC_SUBST(NCURSES_XNAMES)
 
-###############################################################################
-# These options are relatively safe to experiment with.
-CF_HELP_MESSAGE(Development Code:)
-AC_MSG_CHECKING(if you want all development code)
-AC_ARG_WITH(develop,
-	[  --without-develop       disable development options],
-	[with_develop=$withval],
-	[with_develop=no])
-AC_MSG_RESULT($with_develop)
-
-###   use option --enable-hard-tabs to turn on use of hard-tabs optimize
-AC_MSG_CHECKING(if you want hard-tabs code)
-AC_ARG_ENABLE(hard-tabs,
-	[  --enable-hard-tabs      compile with hard-tabs code],,
-	[enable_hard_tabs=$with_develop])
-AC_MSG_RESULT($enable_hard_tabs)
-test "x$enable_hard_tabs" = xyes && AC_DEFINE(USE_HARD_TABS,1,[Define to 1 to compile with hard-tabs code])
-
-###   use option --enable-xmc-glitch to turn on use of magic-cookie optimize
-AC_MSG_CHECKING(if you want limited support for xmc)
-AC_ARG_ENABLE(xmc-glitch,
-	[  --enable-xmc-glitch     compile with support for xmc (magic-cookie)],,
-	[enable_xmc_glitch=$with_develop])
-AC_MSG_RESULT($enable_xmc_glitch)
-test "x$enable_xmc_glitch" = xyes && AC_DEFINE(USE_XMC_SUPPORT,1,[Define to 1 to compile with support for xmc (magic-cookie)])
-
-###############################################################################
-# These are just experimental, probably should not be in a package:
-CF_HELP_MESSAGE(Experimental Code:)
-
-AC_MSG_CHECKING(if you do not want to assume colors are white-on-black)
-AC_ARG_ENABLE(assumed-color,
-	[  --disable-assumed-color do not assume anything about default-colors],
-	[with_assumed_color=$enableval],
-	[with_assumed_color=yes])
-AC_MSG_RESULT($with_assumed_color)
-test "x$with_assumed_color" = xyes && AC_DEFINE(USE_ASSUMED_COLOR,1,[Define to 1 to assume things about default-colors])
-
-###   use option --enable-hashmap to turn on use of hashmap scrolling logic
-AC_MSG_CHECKING(if you want hashmap scrolling-optimization code)
-AC_ARG_ENABLE(hashmap,
-	[  --disable-hashmap       compile without hashmap scrolling-optimization],
-	[with_hashmap=$enableval],
-	[with_hashmap=yes])
-AC_MSG_RESULT($with_hashmap)
-test "x$with_hashmap" = xyes && AC_DEFINE(USE_HASHMAP,1,[Define to 1 to compile with hashmap scrolling-optimization])
-
-###   use option --enable-colorfgbg to turn on use of $COLORFGBG environment
-AC_MSG_CHECKING(if you want colorfgbg code)
-AC_ARG_ENABLE(colorfgbg,
-	[  --enable-colorfgbg      compile-in experimental $COLORFGBG code],
-	[with_colorfgbg=$enableval],
-	[with_colorfgbg=no])
-AC_MSG_RESULT($with_colorfgbg)
-test "x$with_colorfgbg" = xyes && AC_DEFINE(USE_COLORFGBG,1,[Define to 1 to compile-in experimental $COLORFGBG code])
-
-###   use option --enable-interop to turn on use of bindings used for interop
-AC_MSG_CHECKING(if you want interop bindings)
-AC_ARG_ENABLE(interop,
-	[  --enable-interop        compile-in interop bindings],
-	[with_exp_interop=$enableval],
-	[with_exp_interop=$cf_dft_interop])
-AC_MSG_RESULT($with_exp_interop)
-
-NCURSES_INTEROP_FUNCS=0
-test "x$with_exp_interop" = xyes && NCURSES_INTEROP_FUNCS=1
-AC_SUBST(NCURSES_INTEROP_FUNCS)
-
-# This is still experimental (20080329), but should ultimately be moved to
-# the script-block --with-normal, etc.
+##############################################################################
+CF_HELP_MESSAGE(Reentrant Code:)
 CF_WITH_PTHREAD
 
 if test "x$with_pthread" != xno; then
@@ -1258,6 +1281,7 @@ if test "x$with_pthread" = "xyes" ; then
 	enable_reentrant=yes
 	if test "x$cf_cv_weak_symbols" = xyes ; then
 		PTHREAD=-lpthread
+		CF_ADD_LIB(pthread,PRIVATE_LIBS)
 	fi
 fi
 AC_SUBST(PTHREAD)
@@ -1275,12 +1299,12 @@ AC_MSG_RESULT($with_reentrant)
 if test "x$with_reentrant" = xyes ; then
 	cf_cv_enable_reentrant=1
 	cf_cv_enable_opaque="NCURSES_INTERNALS"
-	NCURSES_OPAQUE=1
 	NCURSES_SIZE_T=int
 	if test "x$cf_cv_weak_symbols" = xyes ; then
 		CF_REMOVE_LIB(LIBS,$LIBS,pthread)
 		CF_ADD_LIB(pthread,TEST_LIBS)
 		CF_ADD_LIB(pthread,TEST_LIBS2)
+		CF_ADD_LIB(pthread,PRIVATE_LIBS)
 	else
 		# when not using weak symbols but with_reentrant,
 		# add 't' to the library suffix on all platforms
@@ -1305,14 +1329,54 @@ if test "x$with_reentrant" = xyes ; then
 else
 	cf_cv_enable_reentrant=0
 	cf_cv_enable_opaque="NCURSES_OPAQUE"
-	NCURSES_OPAQUE=0
 	NCURSES_SIZE_T=short
 fi
 AC_SUBST(cf_cv_enable_reentrant)
 AC_SUBST(cf_cv_enable_opaque)
-AC_SUBST(NCURSES_OPAQUE)
+
 AC_SUBST(NCURSES_SIZE_T)
 
+AC_MSG_CHECKING(if you want opaque curses-library structures)
+CF_ARG_ENABLE(opaque-curses,
+	[  --enable-opaque-curses  make curses WINDOW, etc., "opaque"],
+	[enable_opaque_curses=yes],[
+	 test "$cf_cv_enable_reentrant" = 1 && enable_opaque_curses=yes
+	 test "$cf_cv_enable_reentrant" = 1 || enable_opaque_curses=no
+	])
+AC_MSG_RESULT($enable_opaque_curses)
+
+test "$cf_cv_enable_reentrant" = 1 && \
+test "$enable_opaque_curses" = no && \
+AC_MSG_ERROR(reentrant configuration requires opaque library)
+
+AC_MSG_CHECKING(if you want opaque form-library structures)
+AC_ARG_ENABLE(opaque-form,
+	[  --enable-opaque-form    make form-library structures "opaque"],
+	[enable_opaque_form=yes],[enable_opaque_form=no])
+AC_MSG_RESULT($enable_opaque_form)
+
+AC_MSG_CHECKING(if you want opaque menu-library structures)
+AC_ARG_ENABLE(opaque-menu,
+	[  --enable-opaque-menu    make menu-library structures "opaque"],
+	[enable_opaque_menu=yes],[enable_opaque_menu=no])
+AC_MSG_RESULT($enable_opaque_menu)
+
+AC_MSG_CHECKING(if you want opaque panel-library structures)
+AC_ARG_ENABLE(opaque-panel,
+	[  --enable-opaque-panel   make panel-library structures "opaque"],
+	[enable_opaque_panel=yes],[enable_opaque_panel=no])
+AC_MSG_RESULT($enable_opaque_panel)
+
+NCURSES_OPAQUE=0;		test "$enable_opaque_curses" = yes && NCURSES_OPAQUE=1
+NCURSES_OPAQUE_FORM=0;	test "$enable_opaque_form"   = yes && NCURSES_OPAQUE_FORM=1
+NCURSES_OPAQUE_MENU=0;	test "$enable_opaque_menu"   = yes && NCURSES_OPAQUE_MENU=1
+NCURSES_OPAQUE_PANEL=0;	test "$enable_opaque_panel"  = yes && NCURSES_OPAQUE_PANEL=1
+
+AC_SUBST(NCURSES_OPAQUE)
+AC_SUBST(NCURSES_OPAQUE_FORM)
+AC_SUBST(NCURSES_OPAQUE_MENU)
+AC_SUBST(NCURSES_OPAQUE_PANEL)
+
 ### Allow using a different wrap-prefix
 if test "$cf_cv_enable_reentrant" != 0 || test "$BROKEN_LINKER" = 1 ; then
 	AC_MSG_CHECKING(for prefix used to wrap public variables)
@@ -1327,13 +1391,81 @@ fi
 AC_SUBST(NCURSES_WRAP_PREFIX)
 AC_DEFINE_UNQUOTED(NCURSES_WRAP_PREFIX,"$NCURSES_WRAP_PREFIX",[Define to override _nc_ prefix])
 
+###############################################################################
+# These options are relatively safe to experiment with.
+CF_HELP_MESSAGE(Development Code:)
+AC_MSG_CHECKING(if you want all development code)
+AC_ARG_WITH(develop,
+	[  --without-develop       disable development options],
+	[with_develop=$withval],
+	[with_develop=no])
+AC_MSG_RESULT($with_develop)
+
+###   use option --enable-hard-tabs to turn on use of hard-tabs optimize
+AC_MSG_CHECKING(if you want hard-tabs code)
+AC_ARG_ENABLE(hard-tabs,
+	[  --enable-hard-tabs      compile with hard-tabs code],,
+	[enable_hard_tabs=$with_develop])
+AC_MSG_RESULT($enable_hard_tabs)
+test "x$enable_hard_tabs" = xyes && AC_DEFINE(USE_HARD_TABS,1,[Define to 1 to compile with hard-tabs code])
+
+###   use option --enable-xmc-glitch to turn on use of magic-cookie optimize
+AC_MSG_CHECKING(if you want limited support for xmc)
+AC_ARG_ENABLE(xmc-glitch,
+	[  --enable-xmc-glitch     compile with support for xmc (magic-cookie)],,
+	[enable_xmc_glitch=$with_develop])
+AC_MSG_RESULT($enable_xmc_glitch)
+test "x$enable_xmc_glitch" = xyes && AC_DEFINE(USE_XMC_SUPPORT,1,[Define to 1 to compile with support for xmc (magic-cookie)])
+
+###############################################################################
+# These are just experimental, probably should not be in a package:
+CF_HELP_MESSAGE(Experimental Code:)
+
+AC_MSG_CHECKING(if you do not want to assume colors are white-on-black)
+AC_ARG_ENABLE(assumed-color,
+	[  --disable-assumed-color do not assume anything about default-colors],
+	[with_assumed_color=$enableval],
+	[with_assumed_color=yes])
+AC_MSG_RESULT($with_assumed_color)
+test "x$with_assumed_color" = xyes && AC_DEFINE(USE_ASSUMED_COLOR,1,[Define to 1 to assume things about default-colors])
+
+###   use option --enable-hashmap to turn on use of hashmap scrolling logic
+AC_MSG_CHECKING(if you want hashmap scrolling-optimization code)
+AC_ARG_ENABLE(hashmap,
+	[  --disable-hashmap       compile without hashmap scrolling-optimization],
+	[with_hashmap=$enableval],
+	[with_hashmap=yes])
+AC_MSG_RESULT($with_hashmap)
+test "x$with_hashmap" = xyes && AC_DEFINE(USE_HASHMAP,1,[Define to 1 to compile with hashmap scrolling-optimization])
+
+###   use option --enable-colorfgbg to turn on use of $COLORFGBG environment
+AC_MSG_CHECKING(if you want colorfgbg code)
+AC_ARG_ENABLE(colorfgbg,
+	[  --enable-colorfgbg      compile-in experimental $COLORFGBG code],
+	[with_colorfgbg=$enableval],
+	[with_colorfgbg=no])
+AC_MSG_RESULT($with_colorfgbg)
+test "x$with_colorfgbg" = xyes && AC_DEFINE(USE_COLORFGBG,1,[Define to 1 to compile-in experimental $COLORFGBG code])
+
+###   use option --enable-interop to turn on use of bindings used for interop
+AC_MSG_CHECKING(if you want interop bindings)
+AC_ARG_ENABLE(interop,
+	[  --enable-interop        compile-in interop bindings],
+	[with_exp_interop=$enableval],
+	[with_exp_interop=$cf_dft_interop])
+AC_MSG_RESULT($with_exp_interop)
+
+NCURSES_INTEROP_FUNCS=0
+test "x$with_exp_interop" = xyes && NCURSES_INTEROP_FUNCS=1
+AC_SUBST(NCURSES_INTEROP_FUNCS)
+
+
 AC_MSG_CHECKING(if you want experimental safe-sprintf code)
 AC_ARG_ENABLE(safe-sprintf,
 	[  --enable-safe-sprintf   compile with experimental safe-sprintf code],
 	[with_safe_sprintf=$enableval],
 	[with_safe_sprintf=no])
 AC_MSG_RESULT($with_safe_sprintf)
-test "x$with_safe_sprintf" = xyes && AC_DEFINE(USE_SAFE_SPRINTF,1,[Define to 1 to compile with experimental safe-sprintf code])
 
 ###   use option --disable-scroll-hints to turn off use of scroll-hints scrolling logic
 # when hashmap is used scroll hints are useless
@@ -1369,6 +1501,24 @@ else
 fi
 AC_SUBST(ECHO_LINK)
 
+# --disable-stripping is used for debugging
+CF_INSTALL_OPTS
+
+# If we're avoiding relinking of shared libraries during install, that is to
+# avoid modifying the build-tree.  For the same reason, avoid doing ranlib if
+# the install program has "-p" (for preserving timestamps).
+cf_cv_do_reranlib=yes
+if test "x$cf_cv_install_p" = xyes
+then
+	if test "x$cf_cv_do_relink" != xyes
+	then
+		cf_cv_do_reranlib=no
+		INSTALL_OPT_P="-p"
+		INSTALL_LIB="$INSTALL_LIB $INSTALL_OPT_P"
+	fi
+fi
+AC_SUBST(INSTALL_OPT_P)
+
 ###	use option --enable-warnings to turn on all gcc warnings
 AC_MSG_CHECKING(if you want to see compiler warnings)
 AC_ARG_ENABLE(warnings,
@@ -1437,6 +1587,7 @@ if test "x$cf_with_trace" = xyes ; then
 	LIB_TRACING=all
 	ADA_TRACE=TRUE
 	CF_ADD_CFLAGS(-DTRACE)
+	AC_DEFINE(HAVE__TRACEF,1,[Define to 1 if we have _tracef function])
 else
 	LIB_TRACING=DEBUG
 	ADA_TRACE=FALSE
@@ -1450,7 +1601,7 @@ CF_DISABLE_GNAT_PROJECTS
 case $cf_cv_system_name in
 (*mingw32*|*mingw64*)
 	CPPFLAGS="$CPPFLAGS -DWINVER=0x0501 -DWIN32_LEAN_AND_MEAN"
-	LIBS=" -lpsapi $LIBS"
+	# Note: WINVER may be a problem with Windows 10
 	;;
 (*)
 AC_CHECK_FUNC(gettimeofday,
@@ -1493,6 +1644,14 @@ wctype.h \
 
 CF_GETOPT_HEADER
 
+CF_CHECK_ENVIRON(environ)
+CF_CHECK_GETENV
+if test "x$cf_cv_consistent_getenv" = xno && \
+	test "x$cf_with_trace" = xyes
+then
+	AC_MSG_WARN(The NCURSES_TRACE environment variable is not supported with this configuration)
+fi
+
 # check for ISC (this may also define _POSIX_SOURCE)
 # Note: even non-Posix ISC needs <sys/bsdtypes.h> to declare fd_set
 if test "x$ISC" = xyes ; then
@@ -1542,6 +1701,7 @@ geteuid \
 getopt \
 getttynam \
 issetugid \
+localeconv \
 poll \
 putenv \
 remove \
@@ -1554,16 +1714,28 @@ sigaction \
 sigvec \
 strdup \
 strstr \
+sysconf \
 tcgetpgrp \
 times \
+tsearch \
 vsnprintf \
 )
 
-if test "x$ac_cv_func_getopt" = xno &&
+if test "x$ac_cv_func_getopt" = xno && \
    test "x$cf_with_progs$cf_with_tests" != xnono; then
 	AC_MSG_ERROR(getopt is required for building programs)
 fi
 
+if test "x$with_safe_sprintf" = xyes
+then
+	if test "x$ac_cv_func_vsnprintf" = xyes
+	then
+		AC_MSG_WARN(will use vsnprintf instead of safe-sprintf option)
+	else
+		AC_DEFINE(USE_SAFE_SPRINTF,1,[Define to 1 to compile with experimental safe-sprintf code])
+	fi
+fi
+
 if test "x$with_getcap" = "xyes" ; then
 	CF_CGETENT
 fi
@@ -1592,6 +1764,7 @@ CF_FUNC_MEMMOVE
 CF_FUNC_POLL
 CF_VA_COPY
 AC_FUNC_VFORK
+CF_FOPEN_BIN_R
 
 # special check for test/ditto.c
 CF_FUNC_OPENPTY
@@ -1623,7 +1796,7 @@ CF_BOOL_DECL(cf_cv_cc_bool_type)
 if test -n "$CXX" ; then
 	AC_LANG_CPLUSPLUS
 	CF_STDCPP_LIBRARY
-	CF_PROG_CC_C_O(CXX)
+	CF_PROG_CC_C_O(CXX,[$CXXFLAGS $CPPFLAGS])
 
 	case $GXX_VERSION in
 	(1*|2.[0-6]*)
@@ -1696,7 +1869,7 @@ else
 fi
 AC_SUBST(USE_CXX_BOOL)
 
-CF_HELP_MESSAGE(Ada95 Binding Options:)
+CF_HELP_MESSAGE(Ada Binding Options:)
 
 dnl If the Ada95 source-tree is present, add that to the build unless it will
 dnl not work, or was not requested.
@@ -1713,7 +1886,7 @@ dnl libtool -TD 20070714
 	fi
 
 dnl Check for availability of GNU Ada Translator (GNAT).
-dnl At the moment we support no other Ada95 compiler.
+dnl At the moment we support no other Ada compiler.
 	if test "$cf_with_ada" != "no" ; then
 		CF_PROG_GNAT
 		if test	"x$cf_cv_prog_gnat_correct" = xyes; then
@@ -1734,6 +1907,9 @@ dnl At the moment we support no other Ada95 compiler.
 			CF_WITH_ADA_INCLUDE
 			CF_WITH_ADA_OBJECTS
 			CF_WITH_ADA_SHAREDLIB
+
+			# allow the Ada binding to be renamed
+			CF_WITH_ADA_LIBNAME(AdaCurses)
 		fi
 	fi
 else
@@ -1743,6 +1919,16 @@ fi
 # do this "late" to avoid conflict with header-checks
 if test "x$with_widec" = xyes ; then
 	AC_CHECK_SIZEOF(wchar_t)
+	# cross-compiling to mingw can run into the problem that attempting to
+	# link with the regex library fails, causing the test to not set this to
+	# a number.  "recent" autoconf does not address this problem either -TD
+	if test -z "$ac_cv_sizeof_wchar_t"
+	then
+		CF_VERBOSE(test failed (assume 2))
+		sed /SIZEOF_WCHAR_T/d confdefs.h >confdefs.tmp
+		mv confdefs.tmp confdefs.h
+		echo "#define SIZEOF_WCHAR_T 2" >>confdefs.h
+	fi
 fi
 
 ### Construct the ncurses library-subsets, if any, from this set of keywords:
@@ -2013,6 +2199,7 @@ AC_DEFINE(HAVE_SLK_COLOR,1,[Define to 1 if we have slk_color for test-programs])
 CF_SRC_MODULES($modules_to_build)
 
 if test "x$cf_with_ada" = "xyes" && test "x$cf_cv_prog_gnat_correct" = "xyes"; then
+   SUB_MAKEFILES="$SUB_MAKEFILES Ada95/src/library.gpr:Ada95/src/library.gpr.in"
    SUB_MAKEFILES="$SUB_MAKEFILES Ada95/gen/adacurses${USE_CFG_SUFFIX}-config:Ada95/gen/adacurses-config.in"
    SUB_MAKEFILES="$SUB_MAKEFILES man/adacurses${USE_CFG_SUFFIX}-config.1:man/MKada_config.in"
 fi
@@ -2049,16 +2236,6 @@ SUB_MAKEFILES="$SUB_MAKEFILES misc/gen-pkgconfig:misc/gen-pkgconfig.in"
 fi
 AC_SUBST(cross_compiling)
 
-AC_PATH_PROG(TIC_PATH,tic,unknown,$PATH:/usr/local/ncurses/bin)
-if test -n "$FALLBACK_LIST"
-then
-	if test "$TIC_PATH" = unknown
-	then
-		AC_MSG_WARN(no tic program found for fallbacks)
-	fi
-fi
-AC_SUBST(TIC_PATH)
-
 if test "x$cf_with_tests" != xno ; then
 	MAKE_TESTS=
 else
@@ -2160,7 +2337,12 @@ fi
 AC_SUBST(MISC_INSTALL_DATA)
 AC_SUBST(MISC_UNINSTALL_DATA)
 
-SUB_SCRIPTS=
+if test "x$cf_with_db_install" = "xno" || test "x$TERMINFO_SRC" = "xno"; then
+	MAKE_DATABASE="#"
+else
+	MAKE_DATABASE="$MAKE_TERMINFO"
+fi
+AC_SUBST(MAKE_DATABASE)
 
 dnl Override the package used for exported symbols
 if test -n "$PACKAGE"
@@ -2184,6 +2366,8 @@ then
 	cf_filter_syms=yes
 fi
 
+test "x$cf_with_trace" = xyes && NCURSES_INLINE=
+
 UNALTERED_SYMS=`echo "$RESULTING_SYMS" | sed -e 's/\\$/\\\\$/g'`
 if test $cf_filter_syms = yes
 then
@@ -2193,10 +2377,19 @@ AC_SUBST(UNALTERED_SYMS)
 
 if test "x$cross_compiling" = xyes ; then
 	ADAGEN_LDFLAGS='$(CROSS_LDFLAGS)'
+	CHECK_BUILD="#"
 else
 	ADAGEN_LDFLAGS='$(NATIVE_LDFLAGS)'
+	CHECK_BUILD=
 fi
 AC_SUBST(ADAGEN_LDFLAGS)
+AC_SUBST(CHECK_BUILD)
+AC_SUBST(PRIVATE_LIBS)
+
+# This is used for the *-config script and *.pc data files.
+CF_LD_SEARCHPATH
+
+AC_DEFINE(HAVE_CURSES_DATA_BOOLNAMES,1,[definition needed for in-tree build of tack])
 
 AC_OUTPUT( \
 	include/MKterm.h.awk \
@@ -2204,7 +2397,6 @@ AC_OUTPUT( \
 	include/ncurses_dll.h \
 	include/termcap.h \
 	include/unctrl.h \
-	$SUB_SCRIPTS \
 	$SUB_MAKEFILES \
 	Makefile,[
 if test "x$cf_with_tests" != xno ; then
@@ -2263,6 +2455,7 @@ WITH_OVERWRITE="$with_overwrite"
 cf_LIST_MODELS="$cf_list_models"
 cf_cv_abi_version="$cf_cv_abi_version"
 cf_cv_do_relink="$cf_cv_do_relink"
+cf_cv_do_reranlib="$cf_cv_do_reranlib"
 cf_cv_do_symlinks="$cf_cv_do_symlinks"
 cf_cv_enable_lp64="$cf_cv_enable_lp64"
 cf_cv_enable_opaque="$cf_cv_enable_opaque"