From e44ea4c845eaaa7d3e7f25ab053b4a86ef395e49 Mon Sep 17 00:00:00 2001
From: xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e>
Date: Fri, 2 May 2014 08:40:19 +0000
Subject: Check availability of tools

git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2471 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
---
 configure | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index 274c0a2..b7f66fe 100755
--- a/configure
+++ b/configure
@@ -177,6 +177,56 @@ EOF
   rm -f $f
 fi
 
+# Testing availability of required tools
+
+missingtools=false
+
+echo "Testing Coq... " | tr -d '\n'
+coq_ver=`coqc -v | sed -n -e 's/The Coq Proof Assistant, version \([^ ]*\).*$/\1/p'`
+case "$coq_ver" in
+  8.4pl*)
+        echo "version $coq_ver -- good!";;
+  ?.*)
+        echo "version $coq_ver -- UNSUPPORTED"
+        echo "Error: CompCert requires Coq version 8.4pl1 or 8.4pl2 or 8.4pl3."
+        missingtools=true;;
+  *)
+        echo "NOT FOUND"
+        echo "Error: make sure Coq version 8.4pl3 is installed."
+        missingtools=true;;
+esac
+
+echo "Testing OCaml... " | tr -d '\n'
+ocaml_ver=`ocamlc -version`
+case "$ocaml_ver" in
+  4.*)
+        echo "version $ocaml_ver -- good!";;
+  ?.*)
+        echo "version $ocaml_ver -- UNSUPPORTED"
+        echo "Error: CompCert requires OCaml version 4.00 or later."
+        missingtools=true;;
+  *)
+        echo "NOT FOUND"
+        echo "Error: make sure OCaml version 4.00 or later is installed."
+        missingtools=true;;
+esac
+
+echo "Testing Menhir... " | tr -d '\n'
+menhir_ver=`menhir --version | sed -n -e 's/^.*version \([0-9]*\).*$/\1/p'`
+case "$menhir_ver" in
+  20*)
+        echo "version $menhir_ver -- good!";;
+  *)
+        echo "NOT FOUND"
+        echo "Error: make sure Menhir is installed."
+        missingtools=true;;
+esac
+
+if $missingtools; then
+  echo "One or several required tools are missing or too old.  Aborting."
+  exit 2
+fi
+
 # Additional packages needed for cchecklink
 
 if $cchecklink; then
-- 
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