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in elf/Makefile, GNU awk accepts this expression: und(|ef) but POSIX says that '|' occurring right after '(' or right before ')' produces undefined results. a replacement expression is: und(ef)? attached patch makes this change. -mike
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2007-12-24 Mike Frysinger <vapier@gentoo.org> * elf/Makefile ($(objpfx)ld.so): Use POSIX (EF)? in awk. --- libc/elf/Makefile +++ libc/elf/Makefile @@ -308,7 +308,7 @@ $(objpfx)ld.so: $(objpfx)librtld.os $(ld -Wl,-soname=$(rtld-installed-name) -T $@.lds rm -f $@.lds readelf -s $@ \ - | $(AWK) '($$7 ~ /^UND(|EF)$$/ && $$1 != "0:" && $$4 != "REGISTER") { print; p=1 } END { exit p != 0 }' + | $(AWK) '($$7 ~ /^UND(EF)?$$/ && $$1 != "0:" && $$4 != "REGISTER") { print; p=1 } END { exit p != 0 }' # interp.c exists just to get this string into the libraries. CFLAGS-interp.c = -D'RUNTIME_LINKER="$(slibdir)/$(rtld-installed-name)"' \
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