diff --git a/dkbuild b/dkbuild
index f99e4de..c4f4f76 100755
--- a/dkbuild
+++ b/dkbuild
@@ -1273,14 +1273,37 @@ function define_functions_env() {
         return 1
     }
     function profile() {
-        local profile version
+        local profile version default
         for profile in "$@"; do
-            [ "$profile" == DEFAULT ] && profile="${SETPROFILES[0]}"
+            if [ "$profile" == DEFAULT ]; then
+                default=1
+                continue
+            fi
             parse_profile "$profile" profile version
             [ "$profile" == "$PROFILE" ] || continue
             [ -z "$version" -o "$version" == "$PVERSION" ] || continue
             return 0
         done
+        if [ -n "$default" ]; then
+            # trouver la dernière occurence du premier profil mentionné. en
+            # effet, les versions doivent être ordonnées de la plus ancienne à
+            # la plus récente.
+            local first_profile last_version
+            for profile in "${SETPROFILES[@]}"; do
+                parse_profile "$profile" profile version
+                if [ -z "$first_profile" ]; then
+                    first_profile="$profile"
+                    last_version="$version"
+                elif [ "$profile" == "$first_profile" ]; then
+                    last_version="$version"
+                fi
+            done
+            if [ "$first_profile" == "$PROFILE" ]; then
+                if [ -z "$last_version" -o "$last_version" == "$PVERSION" ]; then
+                    return 0
+                fi
+            fi
+        fi
         return 1
     }
     declare -g -A ENVIRON
diff --git a/lib/dkbuild/tests/README.md b/lib/dkbuild/tests/README.md
new file mode 100644
index 0000000..da22bc9
--- /dev/null
+++ b/lib/dkbuild/tests/README.md
@@ -0,0 +1,8 @@
+# tests
+
+Lancer un test de cette façon
+~~~sh
+../../../dkbuild -j test-xxx
+~~~
+
+-*- coding: utf-8 mode: markdown -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8:noeol:binary
\ No newline at end of file
diff --git a/lib/dkbuild/tests/test-distprofiles b/lib/dkbuild/tests/test-ls-distprofiles
similarity index 100%
rename from lib/dkbuild/tests/test-distprofiles
rename to lib/dkbuild/tests/test-ls-distprofiles
diff --git a/lib/dkbuild/tests/test-ls-distversions b/lib/dkbuild/tests/test-ls-distversions
new file mode 100644
index 0000000..7a04477
--- /dev/null
+++ b/lib/dkbuild/tests/test-ls-distversions
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+setdists v1-d11 v2-d11 v1-d10
+
+if dist LATEST; then
+    info "$DIST est la distribution la plus récente"
+fi
+info "version=$VERSION"
+
+# pas de build automatique
+AUTOBUILD=
diff --git a/lib/dkbuild/tests/test-ls-profileversions b/lib/dkbuild/tests/test-ls-profileversions
new file mode 100644
index 0000000..51915cc
--- /dev/null
+++ b/lib/dkbuild/tests/test-ls-profileversions
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
+setprofiles v1-prod v2-prod test
+
+if profile DEFAULT; then
+    info "$PROFILE est le profil par défaut"
+fi
+info "version=$VERSION"
+
+# pas de build automatique
+AUTOBUILD=