1 files changed, 113 insertions, 0 deletions
diff --git a/config/module/flashprog/default/patches/0003-force-WARNERROR-no.patch b/config/module/flashprog/default/patches/0003-force-WARNERROR-no.patch
new file mode 100644
index 00000000..634cc5af
--- /dev/null
+++ b/config/module/flashprog/default/patches/0003-force-WARNERROR-no.patch
@@ -0,0 +1,113 @@
+From 5f79b0def288d97534ebb4b477152d13b00cedb5 Mon Sep 17 00:00:00 2001
+From: Leah Rowe <leah@libreboot.org>
+Date: Mon, 21 Sep 2026 11:59:02 +0100
+Subject: [PATCH 1/1] force WARNERROR=no
+
+the variable itself is kept, in case upstream
+adds anything else that uses it in the future.
+
+Signed-off-by: Leah Rowe <leah@libreboot.org>
+---
+ Makefile                           | 9 ++-------
+ Makefile.include                   | 4 ++--
+ README.md                          | 4 +---
+ meson.build                        | 2 +-
+ util/ich_descriptors_tool/Makefile | 9 ++-------
+ 5 files changed, 8 insertions(+), 20 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index e514e300..05cee5ff 100644
+--- a/Makefile
++++ b/Makefile
+@@ -57,13 +57,8 @@ override CPPFLAGS := $(CPPFLAGS)
+ override CFLAGS   := $(CFLAGS)
+ override LDFLAGS  := $(LDFLAGS)
+ 
+-# If your compiler spits out excessive warnings, run make WARNERROR=no
+-# You shouldn't have to change this flag.
+-WARNERROR ?= yes
+-
+-ifeq ($(WARNERROR), yes)
+-override CFLAGS += -Werror
+-endif
++# lbmk forces removal of werror
++WARNERROR = no
+ 
+ ifdef LIBS_BASE
+ PKG_CONFIG_LIBDIR ?= $(LIBS_BASE)/lib/pkgconfig
+diff --git a/Makefile.include b/Makefile.include
+index 1bca4f3a..18c1e55b 100644
+--- a/Makefile.include
++++ b/Makefile.include
+@@ -46,11 +46,11 @@ $(strip $(call debug_shell, $(CC) -E $1 | tail -n 1 | tr -d '"'))
+ endef
+ 
+ define c_compile_test # $1: files to compile, $2: cflags
+-$(call debug_shell, $(CC) -c -Wall -Werror $2 $1 -o /dev/null && echo yes || echo no)
++$(call debug_shell, $(CC) -c -Wall $2 $1 -o /dev/null && echo yes || echo no)
+ endef
+ 
+ define c_link_test # $1: file to compile and link, $2: cflags, $3: ldflags
+-$(call debug_shell, $(CC) -Wall -Werror $2 $1 $3 -o /dev/null && echo yes || echo no)
++$(call debug_shell, $(CC) -Wall $2 $1 $3 -o /dev/null && echo yes || echo no)
+ endef
+ 
+ define find_dependency
+diff --git a/README.md b/README.md
+index 2051810c..f6a11a14 100644
+--- a/README.md
++++ b/README.md
+@@ -180,9 +180,7 @@ Processor architecture dependent features:
+ 
+ Compiler quirks:
+ 
+-If you are using clang and if you want to enable only one driver, you may hit an
+-overzealous compiler warning from clang. Compile with "make WARNERROR=no" to
+-force it to continue and enjoy.
++Libreboot modifies flashprog to always set WARNERROR=no
+ 
+ Installation
+ ------------
+diff --git a/meson.build b/meson.build
+index 39ae0c47..dc665c46 100644
+--- a/meson.build
++++ b/meson.build
+@@ -5,7 +5,7 @@ project('flashprogutils', 'c',
+   default_options : [
+     'warning_level=2',
+     'c_std=c99',
+-    'werror=true',
++    'werror=false',
+     'optimization=s',
+     'debug=false',
+   ],
+diff --git a/util/ich_descriptors_tool/Makefile b/util/ich_descriptors_tool/Makefile
+index 14e6d2fe..7f6e9479 100644
+--- a/util/ich_descriptors_tool/Makefile
++++ b/util/ich_descriptors_tool/Makefile
+@@ -12,9 +12,8 @@ DEPPATH = .dep
+ OBJATH = .obj
+ SHAREDSRC = ich_descriptors.c
+ SHAREDSRCDIR = ../..
+-# If your compiler spits out excessive warnings, run make WARNERROR=no
+-# You shouldn't have to change this flag.
+-WARNERROR ?= yes
++# libreboot forces WARNERROR=no
++WARNERROR = no
+ 
+ SRC = $(wildcard *.c)
+ 
+@@ -45,10 +44,6 @@ EXEC_SUFFIX := .exe
+ FLASHPROG_CFLAGS += -D__USE_MINGW_ANSI_STDIO=1
+ endif
+ 
+-ifeq ($(WARNERROR), yes)
+-CFLAGS += -Werror
+-endif
+-
+ 
+ FLASHPROG_CFLAGS += -MMD -MP -MF $(DEPPATH)/$(@F).d
+ # enables functions that populate the descriptor structs from plain binary dumps
+-- 
+2.47.3
+