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-rw-r--r--tools/buildman/README16
1 files changed, 11 insertions, 5 deletions
diff --git a/tools/buildman/README b/tools/buildman/README
index 090b653116..c30c1d4114 100644
--- a/tools/buildman/README
+++ b/tools/buildman/README
@@ -89,10 +89,16 @@ a few commits or boards, it will be pretty slow. As a tip, if you don't
plan to use your machine for anything else, you can use -T to increase the
number of threads beyond the default.
-Buildman lets you build all boards, or a subset. Specify the subset using
-the board name, architecture name, SOC name, or anything else in the
-boards.cfg file. So 'at91' will build all AT91 boards (arm), powerpc will
-build all PowerPC boards.
+Buildman lets you build all boards, or a subset. Specify the subset by passing
+command-line arguments that list the desired board name, architecture name,
+SOC name, or anything else in the boards.cfg file. Multiple arguments are
+allowed. Each argument will be interpreted as a regular expression, so
+behaviour is a superset of exact or substring matching. Examples are:
+
+* 'tegra20' All boards with a Tegra20 SoC
+* 'tegra' All boards with any Tegra Soc (Tegra20, Tegra30, Tegra114...)
+* '^tegra[23]0$' All boards with either Tegra20 or Tegra30 SoC
+* 'powerpc' All PowerPC boards
Buildman does not store intermediate object files. It optionally copies
the binary output into a directory when a build is successful. Size
@@ -643,7 +649,7 @@ snapper9260=${at91-boards} BUILD_TAG=442
snapper9g45=${at91-boards} BUILD_TAG=443
This will use 'make ENABLE_AT91_TEST=1 BUILD_TAG=442' for snapper9260
-and 'make ENABLE_AT91_TEST=1 BUILD_TAG=442' for snapper9g45. A special
+and 'make ENABLE_AT91_TEST=1 BUILD_TAG=443' for snapper9g45. A special
variable ${target} is available to access the target name (snapper9260 and
snapper9g20 in this case). Variables are resolved recursively.