elfutils: don't add -Werror to avoid discarded-qualifiers

With glibc-2.43 on host elfutils-native fails with:
elfutils-0.191/libcpu/riscv_disasm.c:1259:46: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]

elfutils-0.194 in master doesn't have this issue thanks to this patch avoiding -Werror from:
https://git.openembedded.org/openembedded-core/commit/?id=1d6ac3c811798732e6addc798656bbe104661d77

(From OE-Core rev: 7d9d9bcb64094da7121c6d6ce89cf07640537182)

Signed-off-by: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Signed-off-by: Paul Barker <paul@pbarker.dev>

2 files changed, 35 insertions, 0 deletions

diff --git a/meta/recipes-devtools/elfutils/elfutils_0.191.bb b/meta/recipes-devtools/elfutils/elfutils_0.191.bb
index 0fd6d31af1..5156e5c9f6 100644
--- a/meta/recipes-devtools/elfutils/elfutils_0.191.bb
+++ b/meta/recipes-devtools/elfutils/elfutils_0.191.bb
@@ -23,6 +23,7 @@ SRC_URI = "https://sourceware.org/elfutils/ftp/${PV}/${BP}.tar.bz2 \
            file://0001-tests-Makefile.am-compile-test_nlist-with-standard-C.patch \
            file://0001-debuginfod-Remove-unused-variable.patch \
            file://0001-srcfiles-fix-unused-variable-BUFFER_SIZE.patch \
+           file://0001-config-eu.am-do-not-force-Werror.patch \
            file://CVE-2025-1352.patch \
            file://CVE-2025-1365.patch \
            file://CVE-2025-1372.patch \
diff --git a/meta/recipes-devtools/elfutils/files/0001-config-eu.am-do-not-force-Werror.patch b/meta/recipes-devtools/elfutils/files/0001-config-eu.am-do-not-force-Werror.patch
new file mode 100644
index 0000000000..d4e141927f
--- /dev/null
+++ b/meta/recipes-devtools/elfutils/files/0001-config-eu.am-do-not-force-Werror.patch
@@ -0,0 +1,34 @@
+From e169c3fc734be1783b3e1a4768dbec05fb64cb4f Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex@linutronix.de>
+Date: Fri, 22 Nov 2024 12:50:48 +0100
+Subject: [PATCH] config/eu.am: do not force -Werror
+
+This is undesirable when compiler versions may not be the same
+as what upstream is using for their own testing.
+
+Upstream-Status: Inappropriate [oe-core specific]
+Signed-off-by: Alexander Kanavin <alex@linutronix.de>
+---
+ config/eu.am | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/config/eu.am b/config/eu.am
+index 0b7dab5..5e7a03f 100644
+--- a/config/eu.am
++++ b/config/eu.am
+@@ -99,7 +99,6 @@ AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \
+            $(LOGICAL_OP_WARNING) $(DUPLICATED_COND_WARNING) \
+            $(NULL_DEREFERENCE_WARNING) $(IMPLICIT_FALLTHROUGH_WARNING) \
+            $(USE_AFTER_FREE3_WARNING) \
+-           $(if $($(*F)_no_Werror),,-Werror) \
+            $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \
+            $(if $($(*F)_no_Wstack_usage),,$(STACK_USAGE_WARNING)) \
+            $(if $($(*F)_no_Wpacked_not_aligned),$(NO_PACKED_NOT_ALIGNED_WARNING),) \
+@@ -109,7 +108,6 @@ AM_CXXFLAGS = -std=c++11 -Wall -Wshadow \
+           $(TRAMPOLINES_WARNING) \
+           $(LOGICAL_OP_WARNING) $(DUPLICATED_COND_WARNING) \
+           $(NULL_DEREFERENCE_WARNING) $(IMPLICIT_FALLTHROUGH_WARNING) \
+-          $(if $($(*F)_no_Werror),,-Werror) \
+           $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \
+           $(if $($(*F)_no_Wstack_usage),,$(STACK_USAGE_WARNING)) \
+           $(if $($(*F)_no_Wpacked_not_aligned),$(NO_PACKED_NOT_ALIGNED_WARNING),) \