ncurses 6.1 - patch 20180818

[ncurses.git] / INSTALL

diff --git a/INSTALL b/INSTALL
index 7d4b143e50cf843b3bcbc4fce6822c031d987775..e57bbec75d0fd6cdb006474925e3e99a6494c77f 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -25,7 +25,7 @@
 -- sale, use or other dealings in this Software without prior written        --
 -- authorization.                                                            --
 -------------------------------------------------------------------------------
--- $Id: INSTALL,v 1.203 2018/01/23 00:59:19 tom Exp $
+-- $Id: INSTALL,v 1.206 2018/08/18 20:41:07 tom Exp $
 ---------------------------------------------------------------------
              How to install Ncurses/Terminfo on your system
 ---------------------------------------------------------------------
@@ -440,10 +440,18 @@ SUMMARY OF CONFIGURE OPTIONS:
 
     --disable-relink
        If --enable-rpath is given, the generated makefiles normally will
-       rebuild the libraries during install.  Use this option to simply
-       copy whatever the linked produced.
+       rebuild shared libraries during install.  Use this option to simply
+       copy whatever the linker produced.
 
-       This option is ignored if --enable-rpath is not given.
+       Static libraries cannot simply be copied because tools use timestamps
+       to determine if the library's symbol table is up to date.  If your
+       install program supports the "-p" (preserve timestamp) option, that
+       is used when --disable-relink is given, to avoid rebuilding the symbol
+       table.
+
+       Finally, some tools ignore the subsecond timestamps supported by some
+       filesystems.  This option adds a 1-second sleep to help those tools
+       avoid unnecessary relinking during the install process.
 
     --disable-root-environ
        Compile with environment restriction, so certain environment variables
@@ -667,7 +675,8 @@ SUMMARY OF CONFIGURE OPTIONS:
     --enable-safe-sprintf
        Compile with experimental safe-sprintf code.  You may consider using
        this if you are building ncurses for a system that has neither
-       vsnprintf() or vsprintf().  It is slow, however.
+       vsnprintf() or vsprintf().  It is slow, however, and is used only on
+       very old systems which lack vsnprintf().
 
     --enable-sigwinch
        Compile support for ncurses' SIGWINCH handler.  If your application has