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authorThomas Bushnell <thomas@gnu.org>1997-04-23 18:07:36 +0000
committerThomas Bushnell <thomas@gnu.org>1997-04-23 18:07:36 +0000
commit8224c19990c4e8098ceac4cbd391603a76252014 (patch)
tree0255fc1cad1f15b62e8b81ad8a7410df005dbeb5 /README
parent5989dac3caaa1e76896f8ec70128dba93a5ecccc (diff)
Wed Apr 23 13:21:23 1997 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* configure.in (BUILD_CC): Use AC_CHECK_PROGS, not AC_CHECK_PROG, since we are checking multiple names. * configure.in (kdb): New --enable option. * Makefile.in (DEFINES): Add @DEFS@. * Makefile.in (clean, distclean, mostlyclean, maintainter-clean): New targets. (all-archs-configures): New variable. (MIG): Change to ./local-mig. (./local-mig): Change to build this instead of ./mig (check-clib-routines): Use nm -g in case there are local symbols. Suggested by Matthew Wilcox (willy@odie.barnet.ac.uk). Fri Apr 18 15:25:10 1997 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu> * configure.in: Add AC_PREREQ for version 2.12. * i386/Drivers.in: Likewise.
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diff --git a/README b/README
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--- a/README
+++ b/README
@@ -30,6 +30,12 @@ generally safe to specify switches for hardware you don't have; in
this way you can build kernels that work on different physical machine
set ups.
+If you want the in-kernel debugger compiled in, specify --enable-kdb
+to configure. This is only useful if you actually anticipate
+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.