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autogen.sh: Delete all trailing blank lines at end of configure.

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Same as in tcpslice and libpcap.
This commit is contained in:
Denis Ovsienko 2024-09-24 10:09:42 +01:00
parent a51c3a8c7d
commit 40e32903fb
2 changed files with 11 additions and 0 deletions
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@ -66,6 +66,7 @@ DayOfTheWeek, Month DD, YYYY / The Tcpdump Group
.devel file does not exists.
tests: On HP-UX use "diff -c" by default.
autogen.sh: Allow to configure Autoconf warnings.
autogen.sh: Delete all trailing blank lines at end of configure.
Documentation:
man: Clarify the "any" pseudo-interface further.

10
autogen.sh
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@ -29,3 +29,13 @@ echo "$AUTORECONF identification: $AUTORECONFVERSION"
# the branch) amount of noise to the build matrix output, so provide a means
# to silence that.
env ${AUTOCONF_WARNINGS:+WARNINGS="$AUTOCONF_WARNINGS"} "$AUTORECONF" -f
# Autoconf 2.71 adds a blank line after the final "exit 0" on Linux, but not
# on OpenBSD. Remove this difference to make it easier to compare the result
# of "make releasetar" across different platforms. From sed one-liners:
# "delete all trailing blank lines at end of file (works on all seds)". Don't
# use mktemp(1) because AIX does not have it.
CONFIGURE_NEW="configure.new$$"
sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' <configure >"$CONFIGURE_NEW"
cmp -s configure "$CONFIGURE_NEW" || cat "$CONFIGURE_NEW" >configure
rm -f "$CONFIGURE_NEW"