When a target configuration has unser Kconfig symbols, the build will
fail when OpenWrt is compiled with V=s and stdin is connected to a tty.
In case OpenWrt is compiled without either of these preconditions, the
build will uscceed with the symbols in question being unset.
Modify the kernel configuration in a way it fails on unset symbols
regardless of the aformentioned preconditions.
Signed-off-by: David Bauer <m...@david-bauer.net>
---
include/kernel-build.mk | 1 +
target/linux/generic/hack-5.10/205-kconfig-exit.patch | 11 +++++++++++
target/linux/generic/hack-5.4/205-kconfig-exit.patch | 11 +++++++++++
3 files changed, 23 insertions(+)
create mode 100644 target/linux/generic/hack-5.10/205-kconfig-exit.patch
create mode 100644 target/linux/generic/hack-5.4/205-kconfig-exit.patch
diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index 66a9f64c80..80da4455bc 100644
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -132,6 +132,7 @@ define BuildKernel
$(LINUX_DIR)/.modules: export STAGING_PREFIX=$$(STAGING_DIR_HOST)
$(LINUX_DIR)/.modules: export
PKG_CONFIG_PATH=$$(STAGING_DIR_HOST)/lib/pkgconfig
$(LINUX_DIR)/.modules: export
PKG_CONFIG_LIBDIR=$$(STAGING_DIR_HOST)/lib/pkgconfig
+ $(LINUX_DIR)/.modules: export FAIL_ON_UNCONFIGURED=1
$(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE
$(Kernel/CompileModules)
touch $$@
diff --git a/target/linux/generic/hack-5.10/205-kconfig-exit.patch
b/target/linux/generic/hack-5.10/205-kconfig-exit.patch
new file mode 100644
index 0000000000..8931ad3270
--- /dev/null
+++ b/target/linux/generic/hack-5.10/205-kconfig-exit.patch
@@ -0,0 +1,11 @@
+--- a/scripts/kconfig/conf.c
++++ b/scripts/kconfig/conf.c
+@@ -212,6 +212,8 @@ static int conf_sym(struct menu *menu)
+ break;
+ continue;
+ case 0:
++ if (!sym_has_value(sym) && !tty_stdio &&
getenv("FAIL_ON_UNCONFIGURED"))
++ exit(1);
+ newval = oldval;
+ break;
+ case '?':
diff --git a/target/linux/generic/hack-5.4/205-kconfig-exit.patch
b/target/linux/generic/hack-5.4/205-kconfig-exit.patch
new file mode 100644
index 0000000000..8931ad3270
--- /dev/null
+++ b/target/linux/generic/hack-5.4/205-kconfig-exit.patch
@@ -0,0 +1,11 @@
+--- a/scripts/kconfig/conf.c
++++ b/scripts/kconfig/conf.c
+@@ -212,6 +212,8 @@ static int conf_sym(struct menu *menu)
+ break;
+ continue;
+ case 0:
++ if (!sym_has_value(sym) && !tty_stdio &&
getenv("FAIL_ON_UNCONFIGURED"))
++ exit(1);
+ newval = oldval;
+ break;
+ case '?':
--
2.32.0
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