X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=aclocal.m4;h=c27cc3685dc93558c846d8601af2ff08bbaa0a6a;hp=338a35ec9f214247fb2ca4584f33a70fda4a0c7b;hb=47d2fb4537d9ad5bb14f4810561a327930ca4280;hpb=c55d387cebf1cee4757ca2c2ef4fbeae59ee4175;ds=sidebyside

diff --git a/aclocal.m4 b/aclocal.m4
index 338a35ec..c27cc368 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,5 +1,6 @@
 dnl***************************************************************************
-dnl Copyright (c) 1998-2019,2020 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            *
@@ -28,7 +29,7 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: aclocal.m4,v 1.893 2020/01/18 17:30:44 tom Exp $
+dnl $Id: aclocal.m4,v 1.896 2020/02/08 21:01:07 tom Exp $
 dnl Macros used in NCURSES auto-configuration script.
 dnl
 dnl These macros are maintained separately from NCURSES.  The copyright on
@@ -1818,6 +1819,28 @@ if test "$cf_disable_rpath_hack" = no ; then
 fi
 ])
 dnl ---------------------------------------------------------------------------
+dnl CF_ENABLE_BROKEN_LINKER version: 1 updated: 2020/02/08 15:59:30
+dnl -----------------------
+dnl Some linkers cannot reference a data-only object.  Cygwin used to be one.
+dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
+dnl an unconditional feature.
+AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
+
+AC_MSG_CHECKING(if you want broken-linker support code)
+AC_ARG_ENABLE(broken_linker,
+	[  --enable-broken_linker  compile with broken-linker support code],
+	[with_broken_linker=$enableval],
+	[with_broken_linker=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
+fi
+AC_SUBST(BROKEN_LINKER)
+])dnl
+dnl ---------------------------------------------------------------------------
 dnl CF_ENABLE_PC_FILES version: 13 updated: 2015/11/01 05:27:39
 dnl ------------------
 dnl This is the "--enable-pc-files" option, which is available if there is a
@@ -4695,7 +4718,7 @@ AC_DEFUN([CF_LIB_TYPE],
 	test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_LINK_DATAONLY version: 12 updated: 2017/07/23 17:46:07
+dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
 dnl ----------------
 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
@@ -4755,6 +4778,7 @@ if test "$cf_cv_link_dataonly" = no ; then
 	AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
 	BROKEN_LINKER=1
 fi
+AC_SUBST(BROKEN_LINKER)
 
 ])dnl
 dnl ---------------------------------------------------------------------------