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-rw-r--r--Makefile21
1 files changed, 16 insertions, 5 deletions
diff --git a/Makefile b/Makefile
index cdbba2b4f9..f83804523b 100644
--- a/Makefile
+++ b/Makefile
@@ -69,8 +69,21 @@ LIBGCC_FILE_NAME := $(shell test -r `$(CC) -print-libgcc-file-name` && $(CC) -pr
DOXYGEN := doxygen
DOXYGEN_OUTPUT_DIR := doxygen
+# Three cases where we don't need fully populated $(obj) lists:
+# 1. when no .config exists
+# 2. when make config (in any flavour) is run
+# 3. when make distclean is run
+# Don't waste time on reading all Makefile.incs in these cases
ifeq ($(strip $(HAVE_DOTCONFIG)),)
+NOCOMPILE:=1
+endif
+ifneq ($(MAKECMDGOALS),)
+ifneq ($(filter %config distclean,$(MAKECMDGOALS)),)
+NOCOMPILE:=1
+endif
+endif
+ifeq ($(NOCOMPILE),1)
all: config
else
@@ -294,9 +307,7 @@ coreboot: prepare $(obj)/coreboot.rom
endif
prepare:
- mkdir -p $(obj)
- mkdir -p $(objutil)/kconfig/lxdialog $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options
- test -n "$(alldirs)" && mkdir -p $(alldirs) || true
+ mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options $(alldirs)
$(obj)/build.h: .xcompile
@printf " GEN build.h\n"
@@ -342,9 +353,9 @@ clean-for-update: doxygen-clean
clean: clean-for-update
rm -f $(obj)/coreboot* .ccwrap
-distclean: clean
+distclean:
rm -rf $(obj)
- rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig*
+ rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile
update:
dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF