[PATCH] crypto: skip make dependency for CONFIG_CRYPTO_RSA_KEY=__ENV__*

Bastian Krause bst at pengutronix.de
Fri Jun 24 07:16:32 PDT 2022

CONFIG_CRYPTO_RSA_KEY allows referring to environment variables, e.g.
__ENV__FOO tells barebox' rsatoc to use the value of the environment
variable "FOO".

There is no point in creating a make dependency for such values.
Actually looking into the environment variable and deciding whether it is
a PKCS#11 URI or a file seems unnecessarily complex. Let's filter out
these special values and leave the error handling to rsatoc.

Fixes: a05ac5545c ("crypto: simplify $(srctree)/ handling and remove config_filename macro")
Signed-off-by: Bastian Krause <bst at pengutronix.de>
 crypto/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/Makefile b/crypto/Makefile
index 7e67f58bc7..762d7e543b 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -28,7 +28,7 @@ $(obj)/rsa.o: $(obj)/rsa-keys.h
-ifneq ($(filter-out pkcs11:%, $(CONFIG_CRYPTO_RSA_KEY)),)
+ifneq ($(filter-out pkcs11:% __ENV__%, $(CONFIG_CRYPTO_RSA_KEY)),)

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