diff options
Diffstat (limited to 'elf/Makefile')
| -rw-r--r-- | elf/Makefile | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/elf/Makefile b/elf/Makefile index 21d2fc5fd5..314289b893 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -31,24 +31,42 @@ libdl-inhibit-o = $(filter-out .so,$(object-suffixes)) # Build only shared. rtld-routines := rtld $(addprefix dl-,load lookup object reloc \ runtime sysdep error init fini) distribute = $(rtld-routines:=.c) dynamic-link.h do-rel.h \ - soinit.c sofini.c ldd.sh.in + soinit.c sofini.c ldd.sh.in linux-compat.c include ../Makeconfig ifeq (yes,$(build-shared)) extra-objs = $(rtld-routines:=.so) soinit.so sofini.so +generated = librtld.so install-others = $(libdir)/$(rtld-installed-name) install-bin = ldd + +ifneq (,$(filter linux%,$(config-os))) +extra-objs += linux-compat.so +install-lib += ld-linux.so.1 +endif endif include ../Rules -$(objpfx)ld.so: $(rtld-routines:%=$(objpfx)%.so) \ - $(patsubst %,$(common-objpfx)lib%_pic.a,\ - elf c $(LDLIBS-c.so:-l%=%)) - $(LINK.o) -nostdlib -nostartfiles -shared -o $@ \ + +# Link together the dynamic linker into a single relocatable object. +# We use this to produce both the ABI-compliant and Linux-compatible +# dynamic linker shared objects below. +$(objpfx)librtld.so: $(rtld-routines:%=$(objpfx)%.so) \ + $(patsubst %,$(common-objpfx)lib%_pic.a,\ + elf c $(LDLIBS-c.so:-l%=%)) + $(LINK.o) -nostdlib -nostartfiles -r -o $@ \ '-Wl,-(' $^ -lgcc '-Wl,-)' +$(objpfx)ld.so $(objpfx)ld-linux.so.1: $(objpfx)librtld.so + $(LINK.o) -nostdlib -nostartfiles -shared -o $@ $^ + +# The Linux-compatible dynamic linker shared object is just the same +# with one object file of compatibility initialization code added. +$(objpfx)ld-linux.so.1: $(objpfx)linux-compat.so + + $(objpfx)libdl.so: $(objpfx)libdl_pic.a $(common-objpfx)libc.so $(objpfx)ld.so $(patsubst %/,cd %;,$(objpfx)) \ $(LINK.o) -shared -o $(@:$(objpfx)%=%) \ |