More improvements to the build instructions.

1 files changed, 9 insertions, 1 deletions

diff --git a/build.txt b/build.txt
index 5faa0fe5..0a90885b 100644
--- a/build.txt
+++ b/build.txt
@@ -10,7 +10,7 @@ guidance on how to cross-build the package.
 Under Linux, assuming you have all your build prerequisites in place,
 this line will do:
 
-scons && sudo scons udev-install 
+   scons && scons testregress && sudo scons udev-install 
 
 If you get any errors, you need to read the detailed instructions that follow.
 
@@ -228,6 +228,14 @@ client library to be available on all the Qt supported platforms.
 Please see http://qt.nokia.com/doc/4.6/supported-platforms.html for a
 status of Qt supported platforms as of version 4.6.
 
+== Port and toolchain testing ==
+
+'scons testregress' will run a comprehensive regression-test suite.
+You should do this, at minimum, every time you build from source
+on a new machine type.  GPSD does enough bit-twiddling and floating
+point that it is very sensitive to toolchain problems; you'll want to
+be sure those aren't going to bite you in production.
+
 == Reverting to a clean state ==
 
 The scons equivalent of 'make clean' is 'scons -c'. This will revert