48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
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--- a/gnulib-tool
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+++ b/gnulib-tool
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@@ -346,6 +346,34 @@ Options for --import, --add/remove-impor
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Report bugs to <bug-gnulib@gnu.org>."
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}
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+get_version_sed='
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+# Move version to start of line.
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+s/.*[v ]\([0-9]\)/\1/
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+
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+# Skip lines that do not start with version.
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+/^[0-9]/!d
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+
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+# Remove characters after the version.
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+s/[^.a-z0-9-].*//
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+
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+# The first component must be digits only.
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+s/^\([0-9]*\)[a-z-].*/\1/
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+
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+# The following essentially does s/5.005/5.5/
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+s/\.0*\([1-9]\)/.\1/g
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+p
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+q'
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+
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+# get_version
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+# copied from build-aux/bootstrap
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+get_version () {
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+ app=$1
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+
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+ $app --version >/dev/null 2>&1 || { $app --version; return 1; }
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+
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+ $app --version 2>&1 | sed -n "$get_version_sed"
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+}
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+
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# func_version
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# outputs to stdout the --version message.
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func_version ()
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@@ -1620,6 +1648,9 @@ func_determine_path_separator
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fi
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case "$autoconf_minversion" in
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1.* | 2.[0-5]* | 2.6[0-3]*)
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+ # if the version of autoconf in use is high enough, do not error
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+ case "$(get_version autoconf)" in 1.* | 2.[0-5]* | 2.6[0-3]*) false ;; esac && \
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+ func_warning "gnulib requires a newer version of autoconf than configure.ac ( $DEFAULT_AUTOCONF_MINVERSION > AC_PREREQ([$autoconf_minversion]) )" || \
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func_fatal_error "minimum supported autoconf version is 2.64. Try adding AC_PREREQ([$DEFAULT_AUTOCONF_MINVERSION]) to your configure.ac." ;;
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esac
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