diff options
| -rw-r--r-- | src/Makefile.housekeeping | 61 |
1 files changed, 32 insertions, 29 deletions
diff --git a/src/Makefile.housekeeping b/src/Makefile.housekeeping index 91be542..f379ff4 100644 --- a/src/Makefile.housekeeping +++ b/src/Makefile.housekeeping @@ -468,35 +468,6 @@ ASFLAGS += --fatal-warnings HOST_CFLAGS += -Werror endif -# Function trace recorder state in the last build. This is needed -# in order to correctly rebuild whenever the function recorder is -# enabled/disabled. -# -FNREC_STATE := $(BIN)/.fnrec.state -ifeq ($(wildcard $(FNREC_STATE)),) -FNREC_OLD := <invalid> -else -FNREC_OLD := $(shell cat $(FNREC_STATE)) -endif -ifeq ($(FNREC_OLD),$(FNREC)) -$(FNREC_STATE) : -else -$(FNREC_STATE) : clean -$(shell $(ECHO) "$(FNREC)" > $(FNREC_STATE)) -endif - -VERYCLEANUP += $(FNREC_STATE) -MAKEDEPS += $(FNREC_STATE) - -ifeq ($(FNREC),1) -# Enabling -finstrument-functions affects gcc's analysis and leads to spurious -# warnings about use of uninitialised variables. -# -CFLAGS += -Wno-uninitialized -CFLAGS += -finstrument-functions -CFLAGS += -finstrument-functions-exclude-file-list=core/fnrec.c -endif - # Enable per-item sections and section garbage collection. Note that # some older versions of gcc support -fdata-sections but treat it as # implying -fno-common, which would break our build. Some other older @@ -808,6 +779,38 @@ include/ipxe/profile.h : $(PROFILE_LIST) .PRECIOUS : include/ipxe/profile.h +# (Single-element) list of function recorder configuration +# +FNREC_LIST := $(BIN)/.fnrec.list +ifeq ($(wildcard $(FNREC_LIST)),) +FNREC_OLD := <invalid> +else +FNREC_OLD := $(shell cat $(FNREC_LIST)) +endif +ifneq ($(FNREC_OLD),$(FNREC)) +$(shell $(ECHO) "$(FNREC)" > $(FNREC_LIST)) +endif + +$(FNREC_LIST) : $(MAKEDEPS) + +VERYCLEANUP += $(FNREC_LIST) + +# Function recorder configuration +# +ifeq ($(FNREC),1) +# Enabling -finstrument-functions affects gcc's analysis and leads to spurious +# warnings about use of uninitialised variables. +# +CFLAGS += -Wno-uninitialized +CFLAGS += -finstrument-functions +CFLAGS += -finstrument-functions-exclude-file-list=core/fnrec.c +endif + +include/compiler.h : $(FNREC_LIST) + $(Q)$(TOUCH) $@ + +.PRECIOUS : include/compiler.h + # These files use .incbin inline assembly to include a binary file. # Unfortunately ccache does not detect this dependency and caches # builds even when the binary file has changed. |