Merging upstream version 1.22.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 19 insertions, 11 deletions

diff --git a/INSTALL b/INSTALL
index 23f1c4f..05f94bc 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,7 +1,7 @@
 Requirements
 ------------
-You will need a C++ compiler.
-I use gcc 5.3.0 and 4.1.2, but the code should compile with any standards
+You will need a C++11 compiler. (gcc 3.3.6 or newer is recommended).
+I use gcc 6.1.0 and 4.1.2, but the code should compile with any standards
 compliant compiler.
 Gcc is available at http://gcc.gnu.org.
 
@@ -41,21 +41,21 @@ the main archive.
    documentation.
 
    Or type 'make install-compress', which additionally compresses the
-   info manual and the man page after installation. (Installing
-   compressed docs may become the default in the future).
+   info manual and the man page after installation.
+   (Installing compressed docs may become the default in the future).
 
-   You can install only the program, the info manual or the man page by
-   typing 'make install-bin', 'make install-info' or 'make install-man'
+   You can install only the program, the info manual, or the man page by
+   typing 'make install-bin', 'make install-info', or 'make install-man'
    respectively.
 
 
 Another way
 -----------
 You can also compile lzip into a separate directory.
-To do this, you must use a version of 'make' that supports the 'VPATH'
-variable, such as GNU 'make'. 'cd' to the directory where you want the
+To do this, you must use a version of 'make' that supports the variable
+'VPATH', such as GNU 'make'. 'cd' to the directory where you want the
 object files and executables to go and run the 'configure' script.
-'configure' automatically checks for the source code in '.', in '..' and
+'configure' automatically checks for the source code in '.', in '..', and
 in the directory that 'configure' is in.
 
 'configure' recognizes the option '--srcdir=DIR' to control where to
@@ -66,7 +66,15 @@ After running 'configure', you can run 'make' and 'make install' as
 explained above.
 
 
-Copyright (C) 2008-2019 Antonio Diaz Diaz.
+Building without 'make'
+-----------------------
+If you need to build lzip on a system lacking a 'make' program, you can use
+'configure' to build, check, and install the lzip executable like this:
+
+	./configure --build --check --installdir=/usr/local/bin
+
+
+Copyright (C) 2008-2021 Antonio Diaz Diaz.
 
 This file is free documentation: you have unlimited permission to copy,
-distribute and modify it.
+distribute, and modify it.