X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=configure.in;h=2183a9781483539289296313fdf0b2a422513a81;hp=508e0aa7f5c9890ba85b3a456181ff438916dd9e;hb=a6ff7e087fd944fd0035075d0bb528e95e498d81;hpb=4bbfbf869d8c913cb0f5f30708b0bcb5d1724b96

diff --git a/configure.in b/configure.in
index 508e0aa7..2183a978 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,6 @@
 dnl***************************************************************************
-dnl Copyright (c) 1998-2017,2018 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 1.671 2018/11/11 01:12:44 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 https://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(2.52.20170501)
-AC_REVISION($Revision: 1.671 $)
+AC_PREREQ(2.52.20200111)
+AC_REVISION($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)
@@ -58,7 +63,7 @@ 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])
 
@@ -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)
@@ -611,8 +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,
@@ -821,27 +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)
@@ -1034,7 +1050,7 @@ AC_ARG_WITH(ccharw-max,
 AC_MSG_RESULT($NCURSES_CCHARW_MAX)
 AC_SUBST(NCURSES_CCHARW_MAX)
 
-AC_CHECK_SIZEOF([signed char], 0)
+AC_CHECK_SIZEOF([signed char])
 if test "$ac_cv_sizeof_signed_char" = 1 ; then
 	NCURSES_SBOOL="signed char"
 else
@@ -1585,7 +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,
@@ -1628,6 +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
@@ -1677,6 +1701,7 @@ geteuid \
 getopt \
 getttynam \
 issetugid \
+localeconv \
 poll \
 putenv \
 remove \
@@ -1691,7 +1716,6 @@ strdup \
 strstr \
 sysconf \
 tcgetpgrp \
-tdestroy \
 times \
 tsearch \
 vsnprintf \
@@ -1740,6 +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
@@ -1844,7 +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.
@@ -1861,7 +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
@@ -1882,6 +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
@@ -1891,6 +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:
@@ -2161,6 +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${USE_CFG_SUFFIX}-config.1:man/MKada_config.in"
 fi
@@ -2197,16 +2236,6 @@ SUB_MAKEFILES="$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
@@ -2308,7 +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"
@@ -2352,6 +2386,9 @@ 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( \
@@ -2360,7 +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