Be bsdmake friendly : don't embed $() in another $()

diff --git a/src/Makefile.am b/src/Makefile.am
index 4290a75799f7de09f17276a503b5047e94c06f7f..5f474be453c86e750188e41cc513a6fa3b773954 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -391,7 +391,8 @@ SOURCES_libvlc_control = \
 misc/revision.c:
        rm -f $@ $@.tmp
        echo "/* AUTOGENERATED FILE - DO NOT EDIT */" > $@.tmp
-       REVISION="$$((LANG=C git --git-dir=$(top_srcdir)/.git show-ref -s HEAD 2>/dev/null || echo exported) | cut -b -10)"; \
+       REVISION="$$(LANG=C git --git-dir=$(top_srcdir)/.git show-ref -s HEAD 2>/dev/null || echo exported)"; \
+       REVISION="$$(echo $$REVISION|cut -b -10)"; \
        echo "const char psz_vlc_changeset[] = \"$$REVISION\";" >> $@.tmp
        mv -f $@.tmp $@