diff options
Diffstat (limited to 'common/build.mk')
-rw-r--r-- | common/build.mk | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/common/build.mk b/common/build.mk index f0a55ccb61..ec592b8f9f 100644 --- a/common/build.mk +++ b/common/build.mk @@ -257,11 +257,18 @@ endif CPPFLAGS += -I$(CRYPTOCLIB)/include CRYPTOC_LDFLAGS := -L$(out)/cryptoc -lcryptoc -# Force the external build each time, so it can look for changed sources. +cmd_cryptolib = $(MAKE) obj=$(realpath $(out))/cryptoc SUPPORT_UNALIGNED=1 \ + CONFIG_UPTO_SHA512=$(CONFIG_UPTO_SHA512) -C $(CRYPTOCLIB) + +cryptolib_check_clean = $(cmd_cryptolib) -q && echo clean + +ifneq ($(shell $(cryptolib_check_clean)),clean) +# Force the external build only if it is needed. .PHONY: $(out)/cryptoc/libcryptoc.a +endif + $(out)/cryptoc/libcryptoc.a: - $(MAKE) obj=$(realpath $(out))/cryptoc SUPPORT_UNALIGNED=1 \ - CONFIG_UPTO_SHA512=$(CONFIG_UPTO_SHA512) -C $(CRYPTOCLIB) + $(call quiet,cryptolib,CRYPTOLIB) # Link RO and RW against cryptoc. $(out)/RO/ec.RO.elf $(out)/RO/ec.RO_B.elf: LDFLAGS_EXTRA += $(CRYPTOC_LDFLAGS) |