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https://github.com/the-tcpdump-group/tcpdump.git
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42 lines
1.7 KiB
Bash
Executable File
42 lines
1.7 KiB
Bash
Executable File
#!/bin/sh -e
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: "${AUTORECONF:=autoreconf}"
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AUTORECONFVERSION=`$AUTORECONF --version 2>&1 | grep "^autoreconf" | sed 's/.*) *//'`
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maj=`echo "$AUTORECONFVERSION" | cut -d. -f1`
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min=`echo "$AUTORECONFVERSION" | cut -d. -f2`
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# The minimum required version of autoconf is currently 2.69.
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if [ "$maj" = "" ] || [ "$min" = "" ] || \
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[ "$maj" -lt 2 ] || { [ "$maj" -eq 2 ] && [ "$min" -lt 69 ]; }; then
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cat >&2 <<-EOF
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Please install the 'autoconf' package version 2.69 or later.
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If version 2.69 or later is already installed and there is no
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autoconf default, it may be necessary to set the AUTORECONF
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environment variable to enable the one to use, like:
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AUTORECONF=autoreconf-2.69 ./autogen.sh
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or
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AUTORECONF=autoreconf-2.71 ./autogen.sh
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EOF
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exit 1
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fi
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echo "$AUTORECONF identification: $AUTORECONFVERSION"
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# configure.ac is an Autoconf 2.69 file, but it works as expected even with
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# Autoconf 2.72. However, in Autoconf versions 2.70 and later obsolete
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# construct warnings are enabled by default, which adds varying (depending on
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# the branch) amount of noise to the build matrix output, so provide a means
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# to silence that.
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env ${AUTOCONF_WARNINGS:+WARNINGS="$AUTOCONF_WARNINGS"} "$AUTORECONF" -f
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# Autoconf 2.71 adds a blank line after the final "exit 0" on Linux, but not
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# on OpenBSD. Remove this difference to make it easier to compare the result
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# of "make releasetar" across different platforms. From sed one-liners:
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# "delete all trailing blank lines at end of file (works on all seds)". Don't
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# use mktemp(1) because AIX does not have it.
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CONFIGURE_NEW="configure.new$$"
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sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' <configure >"$CONFIGURE_NEW"
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cmp -s configure "$CONFIGURE_NEW" || cat "$CONFIGURE_NEW" >configure
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rm -f "$CONFIGURE_NEW"
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