src/runtime/GNUmakefile

   1 # -*- makefile -*- for the C-level run-time support for SBCL
   2
   3 # This software is part of the SBCL system. See the README file for
   4 # more information.
   5 #
   6 # This software is derived from the CMU CL system, which was
   7 # written at Carnegie Mellon University and released into the
   8 # public domain. The software is in the public domain and is
   9 # provided with absolutely no warranty. See the COPYING and CREDITS
  10 # files for more information.
  11
  12 .PHONY: all clean TAGS tags targets
  13
  14 all: targets tags
  15 TARGET=sbcl
  16
  17 # Defaults which might be overridden or modified by values in the
  18 # Config file. Most of them are same on most systems right now.
  19 # If you need to override one of these, do it in Config.
  20 LINKFLAGS = -g
  21 NM = nm -gp
  22 DEPEND_FLAGS = -MM
  23 GREP = grep
  24 LD = ld
  25
  26 # By default, don't make and use a library, just use the object files.
  27 LIBSBCL = $(OBJS)
  28 USE_LIBSBCL = $(OBJS)
  29 __LDFLAGS__ =
  30
  31 include ../../output/prefix.def
  32
  33 CFLAGS = -g -Wall -Wsign-compare -O3
  34 ASFLAGS = $(CFLAGS)
  35 CPPFLAGS = -I. -DSBCL_PREFIX=\"$(SBCL_PREFIX)\"
  36
  37 # Give make access to the target Lisp features.
  38 include genesis/Makefile.features
  39
  40 # The Config file is the preferred place for tweaking options which
  41 # are appropriate for particular setups (OS, ARCH, whatever). Make a
  42 # Config-foo file for setup foo, then arrange for Config to be a
  43 # symlink to Config-foo.
  44 # Commonly used variables in Config are: ARCH_SRC, ASSEM_SRC, GC_SRC,
  45 # OS_SRC, OS_LIBS, OS_CLEAN_FILES
  46 include Config
  47
  48 # Disable PIE when possible
  49 ifneq ($(shell $(CC) -dumpspecs 2>/dev/null | grep -e '[^f]no-pie'),)
  50 CFLAGS += -fno-pie
  51 LINKFLAGS += -no-pie
  52 LDFLAGS += -no-pie
  53 __LDFLAGS__ += -no-pie
  54 endif
  55 ifneq ($(shell $(CC) -dumpspecs 2>/dev/null | grep -e '[^f]nopie'),)
  56 CFLAGS += -fno-pie
  57 LINKFLAGS += -nopie
  58 LDFLAGS += -nopie
  59 __LDFLAGS__ += -nopie
  60 endif
  61
  62 COMMON_SRC = alloc.c backtrace.c breakpoint.c coreparse.c dynbind.c     \
  63         funcall.c gc-common.c globals.c interr.c interrupt.c            \
  64         largefile.c monitor.c os-common.c parse.c print.c purify.c      \
  65         pthread-futex.c regnames.c run-program.c runtime.c              \
  66         safepoint.c save.c sc-offset.c search.c thread.c time.c         \
  67         validate.c var-io.c vars.c wrap.c
  68
  69 C_SRC = $(COMMON_SRC) ${ARCH_SRC} ${OS_SRC} ${GC_SRC}
  70
  71 SRCS = $(C_SRC) ${ASSEM_SRC}
  72
  73 OBJS = $(C_SRC:.c=.o) $(ASSEM_SRC:.S=.o)
  74
  75 LIBS = ${OS_LIBS} -lm
  76
  77 targets: $(TARGET) $(OBJTARGET) sbcl.nm sbcl.mk
  78
  79 $(TARGET): $(LIBSBCL)
  80         $(CC) ${LINKFLAGS} -o $@ $(USE_LIBSBCL) $(LIBS)
  81
  82 # ld -r -o sbcl.o works on Linux, but not on other platforms.
  83 # On macOS, it fails to keep debug sections.
  84 # On mingw64, it leads to an executable that cannot be executed.
  85 sbcl.o: $(OBJS)
  86         $(LD) $(__LDFLAGS__) -r -o $@ $^
  87
  88 libsbcl.a: $(OBJS)
  89         rm -f $@ ; ar rcs $@ $^
  90
  91 sbcl.mk:
  92         ( echo 'CC=$(CC)' ; \
  93           echo 'LD=$(LD)' ; \
  94           echo 'CFLAGS=$(CFLAGS)' ; \
  95           echo 'ASFLAGS=$(ASFLAGS)' ; \
  96           echo 'LINKFLAGS=$(LINKFLAGS)' ; \
  97           echo 'LDFLAGS=$(LDFLAGS)' ; \
  98           echo '__LDFLAGS__=$(__LDFLAGS__)' ; \
  99           echo 'LIBS=$(LIBS)' ; \
 100           if [ -n '$(LISP_FEATURE_SB_LINKABLE_RUNTIME)' ] ; then \
 101             echo 'LIBSBCL=$(LIBSBCL)' ; \
 102             echo 'USE_LIBSBCL=$(USE_LIBSBCL)' ; \
 103           fi ; \
 104           : ) > $@
 105
 106 sbcl.nm: $(TARGET)
 107         $(NM) $(TARGET) | $(GREP) -v " [FUw] " > ,$@
 108         mv -f ,$@ $@
 109
 110 sbcl.h: $(wildcard genesis/*.h)
 111         echo '#include "genesis/config.h"' >sbcl.h
 112         echo '#include "genesis/constants.h"' >>sbcl.h
 113
 114 # || true because we don't want the build to break if etags isn't there.
 115 # ...but it's still nice to have it done by default.
 116 TAGS tags: $(SRCS)
 117         etags $(SRCS) || true
 118
 119 clean:
 120         -rm -f *.[do] $(TARGET) sbcl.nm sbcl.h core *.tmp $(OS_CLEAN_FILES)
 121
 122 %.d: %.c sbcl.h
 123         @$(CC) $(DEPEND_FLAGS) $(CPPFLAGS) $< > $@.tmp; \
 124         sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.tmp > $@; \
 125         rm -f $@.tmp
 126
 127 %.d: %.S sbcl.h
 128         @$(CC) $(DEPEND_FLAGS) $(CPPFLAGS) $< > $@.tmp; \
 129         sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.tmp > $@; \
 130         rm -f $@.tmp
 131
 132 # By including those files, we cause GNU make to automatically re-make
 133 # all dependencies of the .c file if necessary.
 134 ifneq ($(MAKECMDGOALS),clean)
 135 -include $(C_SRC:.c=.d) $(ASSEM_SRC:.S=.d)
 136 endif