altosdroid: adjust Makefile rules

[fw/altos] / altosdroid / Makefile.am

diff --git a/altosdroid/Makefile.am b/altosdroid/Makefile.am
index e4405d42bc89898274c490d3d49150b5039debb7..9ca2453177642b34004b34ac9caf128d43495e7c 100644 (file)
--- a/altosdroid/Makefile.am
+++ b/altosdroid/Makefile.am
@@ -25,9 +25,11 @@ SRC=$(SRC_DIR)/*.java
 
 all: $(all_target)
 
-$(ALTOSLIB): $(ALTOSLIB_SRCDIR)/$(ALTOSLIB_JAR)
+$(EXT_LIBDIR):
        mkdir -p $(EXT_LIBDIR)
-       cd $(EXT_LIBDIR) && ln -s $(shell echo $(EXT_LIBDIR) | sed 's|[^/]\+|..|g')/$(ALTOSLIB_SRCDIR)/$(ALTOSLIB_JAR) .
+
+$(ALTOSLIB): $(EXT_LIBDIR) $(ALTOSLIB_SRCDIR)/$(ALTOSLIB_JAR)
+       cd $(EXT_LIBDIR) && ln -sf $(shell echo $(EXT_LIBDIR) | sed 's|[^/]\+|..|g')/$(ALTOSLIB_SRCDIR)/$(ALTOSLIB_JAR) .
 
 $(SRC_DIR)/BuildInfo.java: $(SRC)
        ./buildinfo.sh