When building nmap-6.00-4 on OS X 10.6.8 with gcc 4.2.1 it fails unless
MaxBuildJobs is set to 1.
lastest "fink self-update" used.
or at least it fails when MaxBuildJobs is 8 and it works when set to 1.
Here is the relevant (I hope) chunk of output
rm -f libnetutil.a
ar cr libnetutil.a netutil.o PacketElement.o NetworkLayerElement.o
TransportLayerElement.o ARPHeader.o EthernetHeader.o ICMPv4Header.o
ICMPv6Header.o IPv4Header.o IPv6Header.o TCPHeader.o UDPHeader.o RawData.o
HopByHopHeader.o DestOptsHeader.o FragmentHeader.o RoutingHeader.o
PacketParser.o npacket.o
/usr/bin/ranlib: file: libnetutil.a(NetworkLayerElement.o) has no symbols
ranlib libnetutil.a
ranlib: file: libnetutil.a(NetworkLayerElement.o) has no symbols
rm -f libpcap*.dylib
ar rc libpcap.a pcap-bpf.o fad-getad.o pcap.o inet.o gencode.o optimize.o
nametoaddr.o etherent.o savefile.o sf-pcap.o sf-pcap-ng.o pcap-common.o
bpf_image.o bpf_dump.o scanner.o grammar.o bpf_filter.o version.o
VER=`cat ./VERSION`; \
MAJOR_VER=A; \
COMPAT_VER=1; \
CURRENT_VER=`sed 's/[^0-9.].*$//' ./VERSION`; \
flag-sort -r gcc -dynamiclib -undefined error -L/sw/lib \
-o libpcap.$VER.dylib pcap-bpf.o fad-getad.o pcap.o inet.o
gencode.o optimize.o nametoaddr.o etherent.o savefile.o sf-pcap.o sf-pcap-ng.o
pcap-common.o bpf_image.o bpf_dump.o scanner.o grammar.o bpf_filter.o
version.o \
-install_name /sw/lib/libpcap.$MAJOR_VER.dylib \
-compatibility_version $COMPAT_VER \
-current_version $CURRENT_VER
ranlib libpcap.a
### execution of make failed, exit code 2
Removing runtime build-lock...
It seems that it is trying to build the library before NetworkLayerElement has
been compiled and finds an empty file? There may be a race condition between
when the object file is created and the library file trying to use it before it
is closed. Just a guess.
-Scott
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