[gnumach] 43/56: * README: Simplify build instructions.

[Samuel Thibault]

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sthibault pushed a commit to branch master
in repository gnumach.

commit 0069c83fadda450442e4681d3b821c60ad491337
Author: Thomas Schwinge <address@hidden>
Date:   Fri Sep 27 16:20:46 2013 +0200

    * README: Simplify build instructions.
    
    Follow-up to commit 471e5b080f7790c2cf95e3069d9fed1173c9ec17.
---
 README |   16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/README b/README
index 95a58a5..38d2cca 100644
--- a/README
+++ b/README
@@ -26,20 +26,12 @@ debugging the kernel, of course.  We don't turn it on be 
default
 because it adds considerably to the unpageable memory footprint of the
 kernel.
 
-The specific switches you give to configure are always recorded in the
-file `config.status'.  So you can always tell what options you used to
-build a particular kernel.
+GNU Mach can be cross-built.  No specific options need to be given when
+building on a 32-bit x86 ELF userland such as GNU/Linux.  Manually switch the
+compiler to 32-bit mode when using a 64-bit x86 (x86_64) ELF toolchain:
 
-The gnumach kernel can be cross-built.  No specific options need
-to be given when building from a 32bit x86 ELF userland such as
-Linux.  When running on a 64bit x86 ELF userland, one has to specify
-cross-compilation variables, typically:
+    $ [...]/configure --host=i686-gnu CC='gcc -m32' LD='ld -melf_i386'
 
-export CPP='gcc -m32 -E -x c -undef -ansi'
-export CC='gcc -m32'
-export LD='ld -melf_i386'
-
-and give the --host=i686-unknown-gnu option to ./configure
 
 Bug reports relating to this distribution should be sent to
 address@hidden  Requests for assistance should be made on

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