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crt: Need a position-independent CRT for PIE
- Implement the greatest possible part of the crt1 in C
- Implement SPARC versions of the ASM sections of crt1
- Build crt1 position-independently, minor ASM updates to be position
  independent
- Implement crt1 with the hook expected by modern GCC to support
  profiling, make gcrt1 a symlink for source compatibility (older GCC
  initializes profiling at firsnt use of _mcount if necessary, so
  doesn't need the gcrt)
- Split the CRT out of developer/library/lint into a separate c-runtime package

*** 74,85 **** xpg4_%.o: $(SRC)/common/util/%.c $(COMPILE.c) -o $@ $< $(POST_PROCESS_O) ! %values-xpg4.o: ../../lib/common/common/values-xpg4.c ! $(COMPILE.c) -o $@ ../../lib/common/common/values-xpg4.c $(CPFILE): $(PROG) @$(RM) $(CPFILE); $(LN) $(PROG) $(CPFILE) $(LNFILE): $(PROG) --- 74,85 ---- xpg4_%.o: $(SRC)/common/util/%.c $(COMPILE.c) -o $@ $< $(POST_PROCESS_O) ! %values-xpg4.o: ../../lib/crt/common/values-xpg4.c ! $(COMPILE.c) -o $@ ../../lib/crt/common/values-xpg4.c $(CPFILE): $(PROG) @$(RM) $(CPFILE); $(LN) $(PROG) $(CPFILE) $(LNFILE): $(PROG)