X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=INSTALL;h=f69352d795ef714418a75038e6452ad37beeedcc;hp=23487c7109238bf80d1712af00c661809ab04de2;hb=fe6abf09238512f5a902bc1aeab2263d1e997396;hpb=5865ab4cec503465a610827c43b4b11b36fcda79

diff --git a/INSTALL b/INSTALL
index 23487c71..f69352d7 100644
--- a/INSTALL
+++ b/INSTALL
@@ -25,7 +25,7 @@
 -- sale, use or other dealings in this Software without prior written        --
 -- authorization.                                                            --
 -------------------------------------------------------------------------------
--- $Id: INSTALL,v 1.183 2015/01/17 23:20:46 tom Exp $
+-- $Id: INSTALL,v 1.185 2015/03/28 00:34:22 tom Exp $
 ---------------------------------------------------------------------
              How to install Ncurses/Terminfo on your system
 ---------------------------------------------------------------------
@@ -546,6 +546,14 @@ SUMMARY OF CONFIGURE OPTIONS:
 	compatible with libncursesw 5.4.  None of the interfaces change, but
 	applications which have mouse mask mmask_t's must be recompiled.
 
+    --enable-ext-putwin
+	Modify the file-format written by putwin() to use printable text rather
+	than binary files, allowing getwin() to read screen dumps written by
+	differently-configured ncurses libraries.  The extended getwin() can
+	still read binary screen dumps from the "same" configuration of
+	ncurses.  This does not change the ABI (the binary interface seen by
+	calling applications).
+
     --enable-getcap
 	Use the 4.4BSD getcap code if available, or a bundled version of it to
 	fetch termcap entries.  Entries read in this way cannot use (make
@@ -1130,11 +1138,11 @@ SUMMARY OF CONFIGURE OPTIONS:
 	The Solaris, GNU and reportedly some other linkers (ld) accept a
 	"--version-script" option which tells the linker to annotate the
 	resulting objects with version identifiers.
-	
+
 	Use "objdump -T" on a library to see the annotations.
 
-	The configure script will automatically apply a suitable ".map" file to
-	provide this information for Linux.  Solaris mapfiles differ:
+	The configure script attempts to automatically apply a suitable ".map"
+	file to provide this information for Linux.  Solaris mapfiles differ:
 
 	a) comments are not accepted
 	b) wildcards are not accepted, except for a special case of "_*".
@@ -1146,6 +1154,12 @@ SUMMARY OF CONFIGURE OPTIONS:
 	several builds, some symbols will be listed in the the ".map" files
 	that do not happen to be present in one configuration or another.
 
+	The sample ".map" (and ".sym") files are generated using a set of
+	scripts which build several configurations for each release version,
+	checking to see which of the "_nc_" symbols can be made local.  In
+	addition to the ncurses libraries and programs, the symbols used
+	by the "tack" program are made global.
+
 	These sample ".map" files will not cover all possible combinations.
 	In some cases, e.g., when using the --with-weak-symbols option, you
 	may prefer to use a different ".map" file by setting this option's