add implicit rule for %.a to help debugging in subdirs
This commit was genuinely broken at the time (not related to our build system): scripts/config/mkconfigs.c (2005-08-01 - 2006-10-05 arasi) uretilen bbconfigopts.h icine .config satirlarini kacissiz, ham newline'larla gömüyordu - gecerli C degildi, busybox'un kendi bb_mkdep araci bile parse edemiyordu (7d219aab7 ile duzeltildi, mkconfigs shell scripte cevrildi)
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| @@ -353,4 +353,12 @@ do_elf2flt = @$(disp_elf2flt) ; $(cmd_elf2flt) | |
| %.o: %.c | |
| $(compile.c) | |
| + | uppercase = $(shell echo $1 | tr '[:lower:]' '[:upper:]') |
| + | %.a: |
| + | @if test -z "$($(call uppercase,$*)_DIR)" ; then \ |
| + | echo "Invalid target $@" ; \ |
| + | exit 1 ; \ |
| + | fi |
| + | $(Q)$(MAKE) $($(call uppercase,$*)_DIR)$@ |
| + | |
| .PHONY: dummy | |