[Buildroot] [PATCH: for-master 2/3] package/gcc: gcc 9.x for ork1 needs binutils >= 2.32

Romain Naour romain.naour at gmail.com
Sat Aug 17 11:26:37 UTC 2019


With binutils 2.30.x or 2.31.x, the assembler doesn't
support the code generated by gcc 9.1:

Error: junk at end of line `l.movhi r17,gotoffha(.LC0)'

gotoffha is supported by binutils since version 2.32 [1].
It was added by the ork1 gcc port merged into gcc 9.x [2].

So, for or1k we can select gcc 9.x only if binutils 2.32
(or latter) is selected.

Tested using qemu_or1k_defconfig and selecting musl libc,
binutils 2.32 and gcc 9.1.

[1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=1c4f3780f7d939402cfe555007ebff45c8e38951
[2] https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=d61fdfe71cfd42aa6454f2267a48c97820918fe3

Signed-off-by: Romain Naour <romain.naour at gmail.com>
Cc: Waldemar Brodkorb <mail at waldemar-brodkorb.de>
---
 package/gcc/Config.in.host | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host
index 990b7964c6..9b0fbf7d11 100644
--- a/package/gcc/Config.in.host
+++ b/package/gcc/Config.in.host
@@ -59,6 +59,8 @@ config BR2_GCC_VERSION_8_X
 
 config BR2_GCC_VERSION_9_X
 	bool "gcc 9.x"
+	# or1k needs binutils >= 2.32
+	depends on !BR2_or1k || (BR2_or1k && !BR2_BINUTILS_VERSION_2_30_X && !BR2_BINUTILS_VERSION_2_31_X)
 	# powerpc spe support has been deprecated since gcc 8.x.
 	# https://gcc.gnu.org/ml/gcc/2018-04/msg00102.html
 	depends on !BR2_powerpc_SPE
-- 
2.21.0




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