-# makefile for the C-level run-time support for SBCL
+# -*- makefile -*- for the C-level run-time support for SBCL
# This software is part of the SBCL system. See the README file for
# more information.
# provided with absolutely no warranty. See the COPYING and CREDITS
# files for more information.
-all: sbcl sbcl.nm
-.PHONY: all
+.PHONY: all clean TAGS tags targets
-# defaults which might be overridden or modified by values in the
-# Config file
-#
-# FIXME: The -fno-strength-reduce flag comes from before the fork
-# from CMU CL. It's presumably to work around some optimizer bug in gcc,
-# but the fork was a long time ago, and the optimizer could easily
-# have been fixed since then. Try doing without it.
-# CFLAGS = -g -Wall -O2 -fno-strength-reduce -DGENCGC
-CFLAGS = -g -Wall -O3 -DGENCGC
-ASFLAGS = -g -DGENCGC
-DEPEND_FLAGS =
-CPPFLAGS = -I.
+all: targets tags
+TARGET=sbcl
+
+# Defaults which might be overridden or modified by values in the
+# Config file. Most of them are same on most systems right now.
+# If you need to override one of these, do it in Config.
+LD = ld
+LINKFLAGS = -g
+NM = nm -gp
+DEPEND_FLAGS = -MM
+GREP = grep
+
+include ../../output/prefix.def
+
+CFLAGS = -g -Wall -Wsign-compare -O3
+ASFLAGS = $(CFLAGS)
+CPPFLAGS = -I. -DSBCL_PREFIX=\"$(SBCL_PREFIX)\"
+
+# Give make access to the target Lisp features.
+include genesis/Makefile.features
# The Config file is the preferred place for tweaking options which
-# are appropriate for particular setups (OS, CPU, whatever). Make a
+# are appropriate for particular setups (OS, ARCH, whatever). Make a
# Config-foo file for setup foo, then arrange for Config to be a
# symlink to Config-foo.
+# Commonly used variables in Config are: ARCH_SRC, ASSEM_SRC, GC_SRC,
+# OS_SRC, OS_LIBS, OS_OBJS, OS_CLEAN_FILES
include Config
-# Some of these things might be Config-dependent in future versions,
-# but they're not right now, i.e., they happen to be the same for
-# all supported systems.
-CPP = cpp
-GC_SRC = gencgc.c
-LD = ld
-LINKFLAGS = -g
-NM = nm -gp
+COMMON_SRC = alloc.c backtrace.c breakpoint.c coreparse.c \
+ dynbind.c funcall.c gc-common.c globals.c interr.c interrupt.c \
+ largefile.c monitor.c os-common.c parse.c print.c purify.c \
+ pthread-futex.c \
+ regnames.c run-program.c runtime.c safepoint.c save.c search.c \
+ thread.c time.c util.c validate.c vars.c wrap.c
+
+C_SRC = $(COMMON_SRC) ${ARCH_SRC} ${OS_SRC} ${GC_SRC}
+
+SRCS = $(C_SRC) ${ASSEM_SRC}
+
+OBJS = $(C_SRC:.c=.o) $(ASSEM_SRC:.S=.o) ${OS_OBJS}
-SRCS = alloc.c backtrace.c breakpoint.c coreparse.c \
- dynbind.c globals.c interr.c interrupt.c \
- monitor.c parse.c print.c purify.c \
- regnames.c run-program.c runtime.c save.c search.c \
- time.c validate.c vars.c \
- ${ARCH_SRC} ${ASSEM_SRC} ${OS_SRC} ${GC_SRC}
+LIBS = ${OS_LIBS} -lm
-OBJS = $(patsubst %.c,%.o,$(patsubst %.S,%.o,$(patsubst %.s,%.o,$(SRCS))))
+targets: $(TARGET) sbcl.nm
-sbcl.nm: sbcl
- $(NM) sbcl | grep -v " F \| U " > ,$@
+$(TARGET): $(OBJS)
+ $(CC) ${LINKFLAGS} -o $@ $^ $(LIBS)
+
+sbcl.nm: $(TARGET)
+ $(NM) $(TARGET) | $(GREP) -v " [FUw] " > ,$@
mv -f ,$@ $@
-sbcl: ${OBJS}
- $(CC) ${LINKFLAGS} ${OS_LINK_FLAGS} -o $@ ${OBJS} ${OS_LIBS} -lm
+sbcl.h: $(wildcard genesis/*.h)
+ echo '#include "genesis/config.h"' >sbcl.h
+ echo '#include "genesis/constants.h"' >>sbcl.h
+
+# || true because we don't want the build to break if etags isn't there.
+# ...but it's still nice to have it done by default.
+TAGS tags: $(SRCS)
+ etags $(SRCS) || true
-.PHONY: clean all
clean:
- rm -f depend *.o sbcl sbcl.nm core *.tmp ; true
+ -rm -f *.[do] $(TARGET) sbcl.nm sbcl.h core *.tmp $(OS_CLEAN_FILES)
+
+%.d: %.c sbcl.h
+ @$(CC) $(DEPEND_FLAGS) $(CPPFLAGS) $< > $@.tmp; \
+ sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.tmp > $@; \
+ rm -f $@.tmp
+
+%.d: %.S sbcl.h
+ @$(CC) $(DEPEND_FLAGS) $(CPPFLAGS) $< > $@.tmp; \
+ sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.tmp > $@; \
+ rm -f $@.tmp
-depend: ${SRCS} sbcl.h
- $(CC) -MM -E ${DEPEND_FLAGS} ${CFLAGS} ${CPPFLAGS} $? > depend.tmp
- mv -f depend.tmp depend
+# By including those files, we cause GNU make to automatically re-make
+# all dependencies of the .c file if necessary.
+ifneq ($(MAKECMDGOALS),clean)
+-include $(C_SRC:.c=.d) $(ASSEM_SRC:.S=.d)
+endif