58 lines
1.1 KiB
Bash
Executable File
58 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# $NetBSD: probe_ipv6,v 1.2 1999/11/20 19:03:47 veego Exp $
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set -e
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PATH=/bin:/usr/bin:$PATH; export PATH
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trap "rm -f tmp$$a.c tmp$$b.c tmp$$a.o tmp$$b.o" 0
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target=port_ipv6
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new=new_${target}.h
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old=${target}.h
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cat > tmp$$a.c <<EOF
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#include <sys/types.h>
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#include <netinet/in.h>
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struct sockaddr_in6 xx;
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EOF
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cat > tmp$$b.c <<EOF
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#include <sys/types.h>
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#include <netinet/in.h>
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struct in6_addr xx;
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EOF
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cat > ${new} <<EOF
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/* This file is automatically generated. Do Not Edit. */
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#ifndef ${target}_h
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#define ${target}_h
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EOF
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if ${CC} -c tmp$$a.c > /dev/null 2>&1
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then
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echo "#define HAS_INET6_STRUCTS" >> ${new}
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if ${CC} -c tmp$$b.c > /dev/null 2>&1
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then
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:
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else
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echo "#define in6_addr in_addr6" >> ${new}
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fi
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else
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echo "#undef HAS_INET6_STRUCTS" >> ${new}
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fi
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echo >> ${new}
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echo "#endif" >> ${new}
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if [ -f ${old} ]; then
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if cmp -s ${new} ${old} ; then
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rm -f ${new}
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else
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rm -f ${old}
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mv ${new} ${old}
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fi
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else
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mv ${new} ${old}
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fi
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exit 0
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