UBUNTU: record the compiler in the ABI and check for inconsistant builds

When pulling the compiled kernels to extract the ABI information also
extract the compiler used for that build.  Record the result in the abi
directory so it is also recorded historically.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>

diff --git a/debian/scripts/misc/getabis b/debian/scripts/misc/getabis
index 2a1fc55..0556f8e 100755 (executable)
--- a/debian/scripts/misc/getabis
+++ b/debian/scripts/misc/getabis
@@ -53,6 +53,20 @@ getall() {
                        (cd tmp; find lib/modules/$verabi-$sub/kernel -name '*.ko') | \
                                sed -e 's/.*\/\([^\/]*\)\.ko/\1/' | sort > \
                                $abidir/$arch/$sub.modules
+                       (
+                               cd tmp;
+                               ko=`find lib/modules/$verabi-$sub/kernel -name '*.ko' | head -1`
+                               readelf -p .comment "$ko" | awk '
+                                       ($1 == "[") {
+                                               printf("%s", $3);
+                                               for (n=4; n<=NF; n++) {
+                                                       printf(" %s", $n);
+                                               }
+                                               print ""
+                                       }' | sort -u >$abidir/$arch/$sub.compiler
+                               version=`cat $abidir/$arch/$sub.compiler`
+                               echo -n "$version..."
+                       )
                        rm -rf tmp $filename
                        echo "done."
                else
@@ -73,4 +87,9 @@ echo $abi > $abidir/abiname
 
 . $DEBIAN/etc/getabis
 
+compilers=`cat $abidir/*/*.compiler | sort -u | wc -l`
+if [ "$compilers" != 1 ]; then
+       echo "WARNING: inconsistant compiler versions detected" 1>&2
+fi
+
 rmdir $tmpdir