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 *
dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: configure.in,v 1.691 2019/11/16 15:54:47 tom Exp $
+dnl $Id: configure.in,v 1.709 2020/05/31 20:04:09 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: 1.691 $)
+AC_PREREQ(2.52.20200111)
+AC_REVISION($Revision: 1.709 $)
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)
CF_GXX_VERSION
case $GXX_VERSION in
-(1*|2.[[0-6]]*)
- # GXX=""; CXX=""; ac_cv_prog_gxx=no
- # cf_cxx_library=no
+([[1-9]][[0-9]].*)
+ ;;
+(1.*|2.[[0-6]]*)
AC_MSG_WARN(templates do not work)
;;
esac
CF_DISABLE_RPATH_HACK
fi
+### Depending on the system, someone may use rpath to build ncurses but not
+# want users of the package to rely upon that feature. Give those people an
+# option to suppress that detail from EXTRA_LDFLAGS.
+EXTRA_PKG_LDFLAGS="$EXTRA_LDFLAGS"
+if test -n "$EXTRA_PKG_LDFLAGS"
+then
+ AC_MSG_CHECKING(if you want to disable extra LDFLAGS for package-scripts)
+ CF_ARG_DISABLE(pkg-ldflags,
+ [ --disable-pkg-ldflags disable extra LDFLAGS for package-scripts],
+ [disable_pkg_ldflags=yes],
+ [disable_pkg_ldflags=no],
+ no)
+ AC_MSG_RESULT($disable_pkg_ldflags)
+ test "$disable_pkg_ldflags" = yes && EXTRA_PKG_LDFLAGS=
+fi
+AC_SUBST(EXTRA_PKG_LDFLAGS)
+
###############################################################################
CF_HELP_MESSAGE(Fine-Tuning Your Configuration:)
test "x$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 $cf_cv_system_name in
- (cygwin*)
- AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
- BROKEN_LINKER=1
- CF_VERBOSE(cygwin linker is broken anyway)
- ;;
- esac
-fi
-AC_SUBST(BROKEN_LINKER)
+CF_ENABLE_BROKEN_LINKER
### use option --enable-bsdpad to have tputs process BSD-style prefix padding
AC_MSG_CHECKING(if tputs should process BSD-style prefix padding)
AC_MSG_RESULT($NCURSES_CCHARW_MAX)
AC_SUBST(NCURSES_CCHARW_MAX)
-AC_CHECK_SIZEOF([signed char], 0)
+AC_CHECK_SIZEOF([signed char])
if test "$ac_cv_sizeof_signed_char" = 1 ; then
NCURSES_SBOOL="signed char"
else
AC_MSG_RESULT($with_colorfgbg)
test "x$with_colorfgbg" = xyes && AC_DEFINE(USE_COLORFGBG,1,[Define to 1 to compile-in experimental $COLORFGBG code])
+### use option --enable-fvisibility to turn on use of gcc-specific feature
+AC_MSG_CHECKING(if you want to use gcc -fvisibility option)
+AC_ARG_ENABLE(fvisibility,
+ [ --enable-fvisibility compile with -fvisibility=hidden],
+ [cf_with_fvisibility=$enableval],
+ [cf_with_fvisibility=no])
+AC_MSG_RESULT($cf_with_fvisibility)
+
+NCURSES_IMPEXP=
+NCURSES_CXX_IMPEXP=
+if test "x$cf_with_fvisibility" = xyes; then
+ CF_CHECK_FVISIBILITY($CC,CFLAGS,cf_cv_fvisibility_hidden)
+ if test "x$cf_cv_fvisibility_hidden" = xyes
+ then
+ CF_ADD_CFLAGS([-fvisibility=hidden])
+ NCURSES_IMPEXP="__attribute__ ((visibility(\"default\")))"
+ fi
+ if test -n "$CXX"
+ then
+ AC_LANG_PUSH(C++)
+ CF_CHECK_FVISIBILITY($CXX,CXXFLAGS,cf_cv_fvisibility_hidden2)
+ if test "x$cf_cv_fvisibility_hidden2" = xyes
+ then
+ CF_ADD_CXXFLAGS([-fvisibility=hidden])
+ NCURSES_CXX_IMPEXP="__attribute__ ((visibility(\"default\")))"
+ fi
+ AC_LANG_POP
+ fi
+fi
+AC_SUBST(NCURSES_IMPEXP)
+AC_SUBST(NCURSES_CXX_IMPEXP)
+
### use option --enable-interop to turn on use of bindings used for interop
AC_MSG_CHECKING(if you want interop bindings)
AC_ARG_ENABLE(interop,
setvbuf \
sigaction \
sigvec \
+snprintf \
strdup \
strstr \
sysconf \
CF_PROG_CC_C_O(CXX,[$CXXFLAGS $CPPFLAGS])
case $GXX_VERSION in
- (1*|2.[0-6]*)
+ (1.*|2.[[0-6]]*|[[1-9]][[0-9]].*)
cf_cxx_library=yes
;;
(*-2.7*|2.7*)
# do this "late" to avoid conflict with header-checks
if test "x$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:
### 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.
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 $cf_cv_system_name in
(os2*)
### Special initialization commands, used to pass information from the
### configuration-run into config.status
-AWK="$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="$LIB_NAME"
LIB_TRACING="$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"