@@ -64,12 +64,18 @@ LINUX_PATCH = $(filter ftp://% http://% https://%,$(LINUX_PATCHES))
LINUX_INSTALL_IMAGES = YES
LINUX_DEPENDENCIES = host-kmod
-# Starting with 4.16, the generated kconfig paser code is no longer
-# shipped with the kernel sources, so we need flex and bison.
# Starting with 4.17, the generated dtc parser code is no longer
-# shipped with the kernel sources, so we need flex and bison.
+# shipped with the kernel sources, so we need flex and bison. For
+# reproducibility, we use our owns rather than the host ones.
LINUX_DEPENDENCIES += host-bison host-flex
+# Starting with 4.16, the generated kconfig paser code is no longer
+# shipped with the kernel sources, so we need flex and bison, but
+# only if the host does not have them.
+LINUX_KCONFIG_DEPENDENCIES = \
+ $(BR2_BISON_HOST_DEPENDENCY) \
+ $(BR2_FLEX_HOST_DEPENDENCY)
+
# host tools needed for kernel compression
ifeq ($(BR2_LINUX_KERNEL_LZ4),y)
LINUX_DEPENDENCIES += host-lz4
Rely on the system provided ones if avalable, and only resort to use our owns if the sytem does not provide them. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Cc: Arnout Vandecappelle <arnout@mind.be> Cc: Jan Kundrát <jan.kundrat@cesnet.cz> --- Notes: I did not carry Jan's Tested-by tag, because the patch is now using the conditional dependencies, so it would have been a bit presumptuous of me to carry that tag. --- Changes v2 -> v3: - use the newly-introduced conditional dependencies (Thomas, Arnout) --- linux/linux.mk | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)