Kernel - Fixes to build info file

[tpg/acess2.git] / Kernel / Makefile

diff --git a/Kernel/Makefile b/Kernel/Makefile
index 6501a90..9d92cbf 100644 (file)
--- a/Kernel/Makefile
+++ b/Kernel/Makefile
@@ -16,7 +16,7 @@ MAKEDEP               = $(CC) -M
 
 CPPFLAGS       += -I./include -I./arch/$(ARCHDIR)/include -D_MODULE_NAME_=\"Kernel\"
 CPPFLAGS       += -DARCH=$(ARCH) -DARCHDIR=$(ARCHDIR) -DARCHDIR_IS_$(ARCHDIR)=1
-CPPFLAGS       += -DKERNEL_VERSION=$(KERNEL_VERSION) -DBUILD_NUM=$(BUILD_NUM)
+CPPFLAGS       += -DKERNEL_VERSION=$(KERNEL_VERSION)
 CFLAGS         += -Wall -Werror -fno-stack-protector -fno-builtin -Wstrict-prototypes -g
 CFLAGS         += -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wnested-externs -Winline -Wuninitialized
 LDFLAGS                += -T arch/$(ARCHDIR)/link.ld -g
@@ -30,9 +30,12 @@ ifeq ($(DEBUG_BUILD),yes)
 endif
 
 ifeq ($(AS_SUFFIX),)
-       AS_SUFFIX = s
+       AS_SUFFIX = S
 endif
 
+BUILDINFO_OBJ := $(OBJDIR)buildinfo.o$(OBJSUFFIX)
+BUILDINFO_SRC := $(OBJDIR)buildinfo.c$(OBJSUFFIX)
+
 OBJ := $(addprefix arch/$(ARCHDIR)/,$(A_OBJ))
 OBJ += heap.o drvutil.o logging.o debug.o lib.o adt.o time.o
 OBJ += messages.o modules.o syscalls.o system.o threads.o
@@ -58,13 +61,15 @@ DEPFILES := $(DEPFILES:%.o$(OBJSUFFIX)=%.dep$(OBJSUFFIX))
 SRCFILES  = $(OBJ:$(OBJDIR)%.o$(OBJSUFFIX)=%.c)
 SRCFILES := $(SRCFILES:$(OBJDIR)%.ao$(OBJSUFFIX)=%.$(AS_SUFFIX))
 
+OBJ += $(BUILDINFO_OBJ)
+
 .PHONY: all clean install apidoc
 
 all: $(BIN)
 
 clean:
 #      $(RM) $(BIN) ../Acess2.$(ARCH).gz $(BIN).dsm ../Map.$(ARCH).txt LineCounts.$(ARCH).txt $(OBJ) $(DEPFILES)
-       @$(RM) $(BIN) ../Acess2.$(ARCH).gz $(BIN).dsm ../Map.$(ARCH).txt LineCounts.$(ARCH).txt -r $(OBJDIR) $(OBJ) $(DEPFILES)
+       @$(RM) $(BIN) ../Acess2.$(ARCH).gz $(BIN).dsm ../Map.$(ARCH).txt LineCounts.$(ARCH).txt -r $(OBJDIR) $(OBJ) $(DEPFILES) $(BUILDINFO_SRC)
 
 install: $(BIN) 
        cp $(BIN) $(BIN)_
@@ -78,12 +83,11 @@ apidoc:
 
 $(BIN): $(OBJ) $(MODS) arch/$(ARCHDIR)/link.ld Makefile
        @echo --- LD -o $(BIN)
-       @$(LD) $(LDFLAGS) -o $(BIN) $(OBJ) $(MODS) -Map ../Map.$(ARCH).txt
+       @$(LD) $(LDFLAGS) -o $(BIN) $(OBJ) $(MODS) --defsym __buildnum=$$(( $(BUILD_NUM) + 1 )) -Map ../Map.$(ARCH).txt
        $(DISASM) -S $(BIN) > $(BIN).dsm
        @wc -l $(SRCFILES) include/*.h > LineCounts.$(ARCH).txt
        @echo BUILD_NUM = $$(( $(BUILD_NUM) + 1 )) > Makefile.BuildNum.$(ARCH)
        $(POSTBUILD)
-#      $(STRIP) $(BIN)
 
 $(OBJDIR)%.ao$(OBJSUFFIX): %.$(AS_SUFFIX) Makefile
        @echo --- AS -o $@
@@ -108,8 +112,13 @@ include/syscalls.h include/syscalls.inc.asm:       syscalls.lst Makefile GenSyscalls.p
 
 Makefile:      ../Makefile.cfg arch/$(ARCHDIR)/Makefile
 
-# HACK - Rebuild proc when the buildnum changes
-$(OBJDIR)drv/proc.o$(OBJSUFFIX): Makefile.BuildNum
+$(BUILDINFO_SRC): $(filter-out $(BUILDINFO_OBJ), $(OBJ)) $(MODS) arch/$(ARCHDIR)/link.ld Makefile
+       @echo "#include <acess.h>" > $@
+       @echo "const char gsGitHash[] = \""`git log -n 1 | head -n 1 | awk '{print $$2}'`"\";" >> $@
+       @echo "const int giBuildNumber = $(BUILD_NUM);" >> $@
+$(BUILDINFO_OBJ): $(BUILDINFO_SRC)
+       @echo --- CC -o $@
+       @$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ -c $<
 
 # Dependency Files
 -include $(DEPFILES)