ea49bac9b9
Make sure we don't pick up any local things from the environment. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
66 lines
2 KiB
Bash
Executable file
66 lines
2 KiB
Bash
Executable file
#!/bin/sh -x
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#
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# Run this script to regenerate autoconf files
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#
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recheck=false
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for arg; do
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case x"$arg" in
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x--recheck)
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recheck=true
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config=$(sh config.status --config 2>/dev/null)
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;;
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x--clearenv)
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unset AUTOCONF AUTOMAKE ACLOCAL AUTOHEADER ACLOCAL_PATH
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;;
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*)
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echo "$0: unknown option: $arg" 1>&2
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;;
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esac
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done
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# This allows for overriding the default autoconf programs
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AUTOCONF="${AUTOCONF:-${AUTOTOOLS_PREFIX}autoconf}"
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AUTOMAKE="${AUTOMAKE:-${AUTOTOOLS_PREFIX}automake}"
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ACLOCAL="${ACLOCAL:-${AUTOTOOLS_PREFIX}aclocal}"
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AUTOHEADER="${AUTOHEADER:-${AUTOTOOLS_PREFIX}autoheader}"
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mkdir -p autoconf autoconf/helpers config
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autolib="`"$AUTOMAKE" --print-libdir`"
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if test ! x"$autolib" = x; then
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for prg in install-sh compile config.guess config.sub; do
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# Update autoconf helpers if and only if newer ones are available
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if test -f "$autolib"/"$prg" && \
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( set -e ; \
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test -f autoconf/helpers/"$prg" && sed -n \
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-e 's/^scriptver=/scriptversion=/' \
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-e 's/^timestamp=/scriptversion=/' \
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-e 's/^scriptversion=['\''"]?\([^'\''"]*\).*$/\1/p' \
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"$autolib"/"$prg" autoconf/helpers/"$prg" | \
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sort -c 2>/dev/null ; \
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test $? -ne 0 )
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then
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cp -f "$autolib"/"$prg" autoconf/helpers
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fi
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done
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fi
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mv -f autoconf/aclocal.m4 autoconf/aclocal.m4.old
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mkdir -p autoconf/m4.old autoconf/m4
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mv -f autoconf/m4/*.m4 autoconf/m4.old/ 2>/dev/null || true
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ACLOCAL_PATH="${ACLOCAL_PATH}${ACLOCAL_PATH:+:}`pwd`/autoconf/m4.old"
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export ACLOCAL_PATH
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"$ACLOCAL" --install --output=autoconf/aclocal.m4 -I autoconf/m4
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if test ! -f autoconf/aclocal.m4; then
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# aclocal failed, revert to previous files
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mv -f autoconf/m4.old/*.m4 autoconf/m4/
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mv -f autoconf/aclocal.m4.old autoconf/aclocal.m4
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fi
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rm -rf autoconf/*m4.old
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"$AUTOHEADER" -B autoconf
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"$AUTOCONF" -B autoconf
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rm -rf autom4te.cache config.log config.status \
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config/config.h Makefile doc/Makefile
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if $recheck; then
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# This bizarre statement has to do with how config.status quotes its output
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echo exec sh configure $config | sh -
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fi
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