diff options
Diffstat (limited to 'csu/Makefile')
| -rw-r--r-- | csu/Makefile | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/csu/Makefile b/csu/Makefile index cba8a4a..9664821 100644 --- a/csu/Makefile +++ b/csu/Makefile @@ -36,25 +36,12 @@ omit-deps = $(patsubst %.o,%,$(start-installed-name) g$(start-installed-name) \ $(csu-dummies)) install-lib = $(start-installed-name) g$(start-installed-name) \ $(csu-dummies) -distribute = initfini.c gmon-start.c start.c defs.awk +distribute = initfini.c gmon-start.c start.c defs.awk abi-note.S abi-tag.h all: # Make this the default target; it will be defined in Rules. include ../Makeconfig -ifneq ($(elf),yes) - -# When not using ELF, there is just one startfile, called crt0.o. -start-installed-name = crt0.o - -else - -# In the ELF universe, crt0.o is called crt1.o, and there are -# some additional bizarre files. -start-installed-name = crt1.o -have-initfini = yes - -endif ifeq ($(have-initfini),yes) @@ -75,7 +62,8 @@ $(objpfx)crt%.o: $(objpfx)crt%.S $(objpfx)defs.h $(CC) -c -fPIC -g0 -I$(..) -I$(common-objpfx) -DASSEMBLER $< -o $@ $(objpfx)initfini.s: initfini.c - $(CC) -S -fPIC -finhibit-size-directive $(no-exceptions) $< -o $@ + $(CC) $(CPPFLAGS) $(CFLAGS) -g0 -S -fPIC -finhibit-size-directive \ + $(no-exceptions) $< -o $@ $(objpfx)crti.S: $(objpfx)initfini.s sed -n -e '1,/@HEADER_ENDS/p' \ @@ -95,19 +83,31 @@ endif include ../Rules +define link-relocatable +$(CC) -nostdlib -nostartfiles -r -o $@ $^ +endef + ifndef start-installed-name-rule +ifeq (yes,$(elf)) +# We link the ELF startfile along with a SHT_NOTE section indicating +# the the kernel ABI the binaries linked with this library will require. +$(objpfx)$(start-installed-name): $(objpfx)start.o $(objpfx)abi-note.o + $(link-relocatable) +else # The startfile is installed under different names, so we just call our # source file `start.c' and copy to the installed name after compiling. $(objpfx)$(start-installed-name): $(objpfx)start.o - -rm -f $@ + rm -f $@ ln $< $@ endif +endif # The profiling startfile is made by linking together the normal # startfile with gmon-start.o, which defines a constructor function # to turn on profiling code at startup. -$(objpfx)g$(start-installed-name): $(objpfx)start.o $(objpfx)gmon-start.o - $(CC) -nostdlib -nostartfiles -r -o $@ $^ +$(objpfx)g$(start-installed-name): $(objpfx)$(start-installed-name) \ + $(objpfx)gmon-start.o + $(link-relocatable) # These extra files are sometimes expected by system standard linking # procedures, but we have nothing for them to do. So compile empty files. |