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-rw-r--r--Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index cc8124abb..a7625ba0e 100644
--- a/Makefile
+++ b/Makefile
@@ -540,7 +540,7 @@ silentoldconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
defconfig: $(BUILD_DIR)/buildroot-config/conf outputmakefile
@mkdir -p $(BUILD_DIR)/buildroot-config
- @$(COMMON_CONFIG_ENV) $< --defconfig $(CONFIG_CONFIG_IN)
+ @$(COMMON_CONFIG_ENV) $< --defconfig$(if $(BR2_DEFCONFIG),=$(BR2_DEFCONFIG)) $(CONFIG_CONFIG_IN)
%_defconfig: $(BUILD_DIR)/buildroot-config/conf $(TOPDIR)/configs/%_defconfig outputmakefile
@mkdir -p $(BUILD_DIR)/buildroot-config
@@ -603,6 +603,7 @@ help:
@echo ' oldconfig - resolve any unresolved symbols in .config'
@echo ' randconfig - New config with random answer to all options'
@echo ' defconfig - New config with default answer to all options'
+ @echo ' BR2_DEFCONFIG, if set, is used as input'
@echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
@echo ' allyesconfig - New config where all options are accepted with yes'
@echo ' allnoconfig - New config where all options are answered with no'