ncurses 6.2 - patch 20200314
[ncurses.git] / configure.in
index e76c09da8e15057d789afda66adfa43cf27e4502..5983876f1b46a908fe495ad5ec3b910b0dbf441d 100644 (file)
@@ -1,5 +1,6 @@
 dnl***************************************************************************
-dnl Copyright (c) 1998-2018,2019 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 1.674 2019/01/20 12:05:04 tom Exp $
+dnl $Id: configure.in,v 1.700 2020/03/08 00:53:28 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: 1.674 $)
+AC_PREREQ(2.52.20200111)
+AC_REVISION($Revision: 1.700 $)
 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)
@@ -629,6 +634,22 @@ 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}
+       : ${INFOCMP:=infocmp}
+fi
+AC_SUBST(TIC)
+AC_SUBST(INFOCMP)
+
 AC_MSG_CHECKING(if you want modern xterm or antique)
 AC_ARG_WITH(xterm-new,
        [  --without-xterm-new     specify if xterm terminfo should be old version],
@@ -836,27 +857,7 @@ test "x$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)
@@ -1049,7 +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
@@ -1600,7 +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,
@@ -1643,6 +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
@@ -1692,6 +1701,7 @@ geteuid \
 getopt \
 getttynam \
 issetugid \
+localeconv \
 poll \
 putenv \
 remove \
@@ -1706,7 +1716,6 @@ strdup \
 strstr \
 sysconf \
 tcgetpgrp \
-tdestroy \
 times \
 tsearch \
 vsnprintf \
@@ -1755,6 +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
@@ -1859,7 +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.
@@ -1876,7 +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
@@ -1897,6 +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
@@ -1906,6 +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:
@@ -2170,12 +2193,19 @@ AC_SUBST(NCURSES_TREE)
 ### predefined stuff for the test programs
 AC_DEFINE(HAVE_SLK_COLOR,1,[Define to 1 if we have slk_color for test-programs])
 
+# pkgsrc uses these
+CF_WITH_LIB_BASENAME(FORM_NAME,form)
+CF_WITH_LIB_BASENAME(MENU_NAME,menu)
+CF_WITH_LIB_BASENAME(PANEL_NAME,panel)
+CF_WITH_LIB_BASENAME(CXX_NAME,cxx,ncurses++)
+
 ### Construct the list of subdirectories for which we'll customize makefiles
 ### with the appropriate compile-rules.
 
 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${USE_CFG_SUFFIX}-config.1:man/MKada_config.in"
 fi
@@ -2212,16 +2242,6 @@ SUB_MAKEFILES="$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
@@ -2232,17 +2252,6 @@ AC_SUBST(MAKE_TESTS)
 ADAHTML_DIR=../../doc/html/ada
 AC_SUBST(ADAHTML_DIR)
 
-# these could be configurable, but are not currently
-PANEL_NAME=panel
-MENU_NAME=menu
-FORM_NAME=form
-CXX_NAME=ncurses++
-
-AC_SUBST(PANEL_NAME)
-AC_SUBST(MENU_NAME)
-AC_SUBST(FORM_NAME)
-AC_SUBST(CXX_NAME)
-
 # workaround for OS/2 (20151017)
 case $cf_cv_system_name in
 (os2*)
@@ -2313,20 +2322,22 @@ esac
 # substitute into misc/Makefile to suppress
 # (un)install.data from the
 # (un)install rules.
-if test "x$cf_with_db_install" = "xno" || test "x$TERMINFO_SRC" = "xno"; then
-       MAKE_DATABASE="#"
+if test "x$cf_with_db_install" = "xno"; then
        MISC_INSTALL_DATA=
        MISC_UNINSTALL_DATA=
 else
-       MAKE_DATABASE=""
        MISC_INSTALL_DATA=install.data
        MISC_UNINSTALL_DATA=uninstall.data
 fi
-AC_SUBST(MAKE_DATABASE)
 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"
@@ -2370,6 +2381,9 @@ 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( \
@@ -2378,7 +2392,6 @@ 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
@@ -2395,12 +2408,14 @@ fi
 ### Special initialization commands, used to pass information from the
 ### configuration-run into config.status
 
-AWK="$AWK"
 ALTERNATE_SYMS="$ALTERNATE_SYMS"
+AWK="$AWK"
+CXX_NAME="$CXX_NAME"
 DFT_ARG_SUFFIX="$DFT_ARG_SUFFIX"
 DFT_LWR_MODEL="$DFT_LWR_MODEL"
 ECHO_LD="$ECHO_LD"
 EXTRA_SUFFIX="$EXTRA_SUFFIX"
+FORM_NAME="$FORM_NAME"
 LDCONFIG="$LDCONFIG"
 LIBTOOL_VERSION="$LIBTOOL_VERSION"
 LIB_NAME="$LIB_NAME"
@@ -2410,10 +2425,12 @@ LIB_SUFFIX="$LIB_SUFFIX"
 LIB_TRACING="$LIB_TRACING"
 LN_S="$LN_S"
 MAKE_TERMINFO="$MAKE_TERMINFO"
+MENU_NAME="$MENU_NAME"
 NCURSES_MAJOR="$NCURSES_MAJOR"
 NCURSES_MINOR="$NCURSES_MINOR"
 NCURSES_OSPEED="$NCURSES_OSPEED"
 NCURSES_PATCH="$NCURSES_PATCH"
+PANEL_NAME="$PANEL_NAME"
 SRC_SUBDIRS="$SRC_SUBDIRS"
 TERMINFO="$TERMINFO"
 TICS_ARG_SUFFIX="$TICS_ARG_SUFFIX"