Merge pull request #24 from SymbiFlow/change_default_target

Change default target to avoid installation.
diff --git a/Makefile b/Makefile
index 06741b4..aff09e8 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@
 PLUGINS_CLEAN := $(foreach plugin,$(PLUGIN_LIST),clean_$(plugin))
 PLUGINS_TEST := $(foreach plugin,$(PLUGIN_LIST),test_$(plugin))
 
-all: install
+all: plugins
 
 define install_plugin =
 $(1).so:
diff --git a/fasm-plugin/Makefile b/fasm-plugin/Makefile
index 8c1a158..dc171a4 100644
--- a/fasm-plugin/Makefile
+++ b/fasm-plugin/Makefile
@@ -14,7 +14,7 @@
 	mkdir -p $(PLUGINS_DIR)
 	cp $< $(PLUGINS_DIR)/$<
 
-test: install
+test:
 	$(MAKE) -C tests all
 
 clean:
diff --git a/xdc-plugin/Makefile b/xdc-plugin/Makefile
index a2ef6eb..10e3301 100644
--- a/xdc-plugin/Makefile
+++ b/xdc-plugin/Makefile
@@ -18,7 +18,7 @@
 	mkdir -p $(PLUGINS_DIR)/fasm_extra_modules/
 	cp $< $(PLUGINS_DIR)/fasm_extra_modules/$<
 
-test: install_plugin install_modules
+test:
 	$(MAKE) -C tests all
 
 .PHONY: install