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Add -ignore-menhir-version #528

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Add -ignore-menhir-version #528

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37 changes: 32 additions & 5 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ clightgen=false
install_coqdev=false
ignore_coq_version=false
ignore_ocaml_version=false
ignore_menhir_version=false
library_Flocq=local
library_MenhirLib=local

Expand Down Expand Up @@ -101,6 +102,7 @@ Options:
-install-coqdev Also install the Coq development (implied by -clightgen)
-ignore-coq-version Accept to use experimental or unsupported versions of Coq
-ignore-ocaml-version Accept to use experimental or unsupported versions of OCaml
-ignore-menhir-version Accept to use experimental or unsupported versions of Menhir
'

#
Expand Down Expand Up @@ -140,6 +142,8 @@ while : ; do
ignore_coq_version=true;;
-ignore-ocaml-version|--ignore-ocaml-version)
ignore_ocaml_version=true;;
-ignore-menhir-version|--ignore-menhir-version)
ignore_menhir_version=true;;
-install-coqdev|--install-coqdev|-install-coq-dev|--install-coq-dev)
install_coqdev=true;;
-use-external-Flocq|--use-external-Flocq)
Expand Down Expand Up @@ -560,7 +564,7 @@ fi

MENHIR_REQUIRED=20200624
echo "Testing Menhir... " | tr -d '\n'
menhir_ver=`menhir --version 2>/dev/null | sed -n -e 's/^.*version \([0-9]*\).*$/\1/p'`
menhir_ver=$(menhir --version 2>/dev/null | sed -n -E -e 's/^.*version (unreleased|[0-9]*).*$/\1/p')
case "$menhir_ver" in
20[0-9][0-9][0-9][0-9][0-9][0-9])
if test "$menhir_ver" -ge $MENHIR_REQUIRED; then
Expand All @@ -575,15 +579,38 @@ case "$menhir_ver" in
echo "Consider using the OPAM package for Menhir."
missingtools=true
fi
else
echo "version $menhir_ver -- UNSUPPORTED"
if $ignore_menhir_version; then
echo "Warning: this version of Menhir is unsupported, proceed at your own risks."
else
echo "Error: CompCert requires a version greater or equal to $MENHIR_REQUIRED."
missingtools=true
fi
fi;;
*)
if test -z "$menhir_ver"; then
echo "NOT FOUND"
echo "Error: make sure Menhir version $MENHIR_REQUIRED or later is installed."
missingtools=true
elif $ignore_menhir_version; then
echo "version $menhir_ver -- UNSUPPORTED"
echo "Warning: this version of Menhir is unsupported, proceed at your own risks."
menhir_dir=$(ocamlfind query menhirLib 2>/dev/null) || \
menhir_dir=$(menhir --suggest-menhirLib) || \
menhir_dir=""
menhir_dir=$(echo "$menhir_dir" | tr -d '\r' | tr '\\' '/')
if test ! -d "$menhir_dir"; then
echo "Error: cannot determine the location of the Menhir API library."
echo "This can be due to an incorrect Menhir package."
echo "Consider using the OPAM package for Menhir."
missingtools=true
fi
else
echo "version $menhir_ver -- UNSUPPORTED"
echo "Error: CompCert requires a version greater or equal to $MENHIR_REQUIRED."
missingtools=true
fi;;
*)
echo "NOT FOUND"
echo "Error: make sure Menhir version $MENHIR_REQUIRED or later is installed."
missingtools=true;;
esac

echo "Testing GNU make... " | tr -d '\n'
Expand Down