HI,
There seems a Makefile bug for RHEL6, I download
ipvsadm-1.26.tar.gz<http://www.linuxvirtualserver.org/software/kernel-2.6/ipvsadm-1.26.tar.gz>
and
unpack it on RHEL6, then run make.
The Compile failed for error like:
gcc -Wall -Wunused -Wstrict-prototypes -g -o ipvsadm ipvsadm.o
config_stream.o dynamic_array.o libipvs/libipvs.a -lnl
ipvsadm.o: In function `parse_options':
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:432: undefined reference to
`poptGetContext'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:435: undefined reference to
`poptGetNextOpt'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:660: undefined reference to
`poptBadOption'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:502: undefined reference to
`poptGetNextOpt'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:667: undefined reference to
`poptStrerror'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:667: undefined reference to
`poptBadOption'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:670: undefined reference to
`poptFreeContext'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:677: undefined reference to
`poptGetArg'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:678: undefined reference to
`poptGetArg'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:679: undefined reference to
`poptGetArg'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:690: undefined reference to
`poptGetArg'
/root/rpmbuild/BUILD/ipvsadm-1.26/ipvsadm.c:693: undefined reference to
`poptFreeContext'
collect2: ld returned 1 exit status
make: *** [ipvsadm] Error 1
Looked the Makefile,
LIB_SEARCH = /lib64 /usr/lib64 /usr/local/lib64 /lib /usr/lib /usr/local/lib
POPT_LIB = $(shell for i in $(LIB_SEARCH); do \
if [ -f $$i/libpopt.a ]; then \
if nm $$i/libpopt.a | fgrep -q poptGetContext; then \
echo "-lpopt"; \
break; \
fi; \
fi; \
done)
Using "yum install popt-devel" on RHEL6 only install
a /usr/lib64/libpopt.so , but not a libpopt.a , which cause we don't add
-lpopt when compile the files.
So I think we should not decide whether to use -lpopt based on libpopt.a.
Thank
Hangbin Liu
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