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authorCraig Hesling <hesling@chromium.org>2020-12-23 12:57:02 -0800
committerCommit Bot <commit-bot@chromium.org>2020-12-24 06:24:58 +0000
commit9e5e87fd38953958ef78ae9f07ed9f8fad61169b (patch)
treeda80f34005a07664ca4fd09bb696a41f9c2c1314
parent52c5feeef322e014e36596165dcbb8c4c5bc70b6 (diff)
downloadchrome-ec-9e5e87fd38953958ef78ae9f07ed9f8fad61169b.tar.gz
make: Add comment about libcryptoc
BRANCH=none BUG=none TEST=none Change-Id: I5ccc42014cfd0b08299c0eff9f39047047cbf07b Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2602636 Tested-by: Craig Hesling <hesling@chromium.org> Reviewed-by: Yicheng Li <yichengli@chromium.org> Commit-Queue: Craig Hesling <hesling@chromium.org>
-rw-r--r--third_party/rules.mk3
1 files changed, 3 insertions, 0 deletions
diff --git a/third_party/rules.mk b/third_party/rules.mk
index 8fcdb76d6c..018f7cb432 100644
--- a/third_party/rules.mk
+++ b/third_party/rules.mk
@@ -8,8 +8,11 @@
#
# Build and link against libcryptoc.
+# See https://chromium.googlesource.com/chromiumos/third_party/cryptoc .
ifeq ($(CONFIG_LIBCRYPTOC),y)
+# The cryptoc path can be overridden on invocation, as in the following example:
+# $ make CRYPTOC_DIR=~/src/cryptoc BOARD=bloonchipper
CRYPTOC_DIR ?= $(realpath ../../third_party/cryptoc)
# SUPPORT_UNALIGNED indicates to libcryptoc that provided data buffers