* [Buildroot] [git commit branch/2020.08.x] support/dependencies: clarify intended use of host bison/flex
@ 2020-12-07 20:36 Peter Korsgaard
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From: Peter Korsgaard @ 2020-12-07 20:36 UTC (permalink / raw)
To: buildroot
commit: https://git.buildroot.net/buildroot/commit/?id=7760a59d07da7f1868fef1a5d3f4b359c5e1f18d
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2020.08.x
We should not rely on host installed bison/flex for target code. This
ensures better reproducibility of generated code.
http://lists.busybox.net/pipermail/buildroot/2020-November/296786.html
Cc: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 1b1c049af29d11badc85ce4833240abe1c3fbcbc)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
support/dependencies/check-host-bison-flex.mk | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/support/dependencies/check-host-bison-flex.mk b/support/dependencies/check-host-bison-flex.mk
index 233b6c51cc..14a232fd44 100644
--- a/support/dependencies/check-host-bison-flex.mk
+++ b/support/dependencies/check-host-bison-flex.mk
@@ -1,5 +1,9 @@
# If the system lacks bison or flex, add
# dependencies to suitable host packages
+#
+# BR2_{BISON,FLES}_HOST_DEPENDENCY should only be used to build code
+# that runs on host, e.g. Kconfig. To build code for target use plain
+# host-{bison,flex}.
ifeq ($(shell which bison 2>/dev/null),)
BR2_BISON_HOST_DEPENDENCY = host-bison
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2020-12-07 20:36 [Buildroot] [git commit branch/2020.08.x] support/dependencies: clarify intended use of host bison/flex Peter Korsgaard
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