From 44b63eb13151ca5c3e83ee6a9e7eb6c0049c3758 Mon Sep 17 00:00:00 2001
From: Bernhard Schommer <bernhardschommer@gmail.com>
Date: Thu, 23 Feb 2017 13:53:39 +0100
Subject: Add a switch to generate a _CoqProject file.

---
 .gitignore |  3 ++-
 configure  | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 1d1ff9df..638906af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,7 +11,6 @@
 .*.aux
 *.cmti
 *.cmt
-*.merlin
 # Emacs saves
 *~
 # Executables and configuration
@@ -23,6 +22,8 @@ clightgen.byte
 tools/ndfun
 tools/modorder
 Makefile.config
+.merlin
+_CoqProject
 # Generated files
 .depend
 .depend.extr
diff --git a/configure b/configure
index 182e086a..957bad4e 100755
--- a/configure
+++ b/configure
@@ -22,6 +22,7 @@ has_standard_headers=true
 clightgen=false
 responsefile="gnu"
 merlin=false
+coqproject=false
 
 usage='Usage: ./configure [options] target
 
@@ -71,6 +72,7 @@ Options:
   -no-standard-headers Do not install nor use the standard .h headers
   -clightgen           Also compile the clightgen tool
   -merlin              Generate .merlin file
+  -coqproject          Generate a _CoqProject file for Proof General
 '
 
 
@@ -97,6 +99,8 @@ while : ; do
         clightgen=true;;
     -merlin)
         merlin=true;;
+    -coqproject)
+        coqproject=true;;
     *)
         if test -n "$target"; then echo "$usage" 1>&2; exit 2; fi
         target="$1";;
@@ -515,6 +519,24 @@ B extraction
 
 EOF
 fi
+
+if $coqproject; then
+    echo "-R lib compcert.lib \
+-R common compcert.common \
+-R ${arch} compcert.${arch} \
+-R backend compcert.backend \
+-R cfrontend compcert.cfrontend \
+-R driver compcert.driver \
+-R flocq compcert.flocq \
+-R exportclight compcert.exportclight \
+-R cparser compcert.cparser" > _CoqProject
+    case $arch in
+        x86)
+            echo "-R x86_${bitsize} compcert.x86_${bitsize}" >> _CoqProject
+            ;;
+    esac
+fi
+
 #
 # Generate Makefile.config
 #
-- 
cgit