[Buildroot] [git commit] toolchain: introduce BR2_TOOLCHAIN_HAS_GCC_BUG_93847

Thomas Petazzoni thomas.petazzoni at bootlin.com
Wed Feb 26 20:56:25 UTC 2020


commit: https://git.buildroot.net/buildroot/commit/?id=eb05f25ef2aacae8811e89daea51bd5a953636c1
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

git package fails to build for the Nios2 architecture with optimization
enabled with gcc < 9.x:
http://autobuild.buildroot.net/results/924/92484c49b655e4aa78ca52f124c6d8f605b9d06b/

It's been reported upstream:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93847

Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
---
 toolchain/Config.in | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/toolchain/Config.in b/toolchain/Config.in
index 87509f3d64..bff572805d 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -159,6 +159,13 @@ config BR2_TOOLCHAIN_HAS_GCC_BUG_90620
 	bool
 	default y if BR2_microblaze
 
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93847
+# ICE: compiler error: Segmentation fault on Nios II. This bug
+# no longer exists in gcc 9.x.
+config BR2_TOOLCHAIN_HAS_GCC_BUG_93847
+	bool
+	default y if BR2_nios2 && !BR2_TOOLCHAIN_GCC_AT_LEAST_9
+
 config BR2_TOOLCHAIN_HAS_NATIVE_RPC
 	bool
 


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