Fix dll on mac

Author: hasufell

GNUmakefile

@@ -30,6 +30,12 @@ RM        := rm
 RM_RF     := $(RM) -rf
 CD        := cd
 
+ifeq ($(UNAME), Darwin)
+DLL       := *.dylib
+else
+DLL       := *.so
+endif
+
 INSTALL_NAME_TOOL := install_name_tool
 
 STORE_DIR        := store
@@ -88,8 +94,8 @@ bindist-ghc:
 	$(INSTALL_D) "$(BINDIST_OUT_DIR)/bin/"
 	$(INSTALL_X) "out/$(GHC_VERSION)/haskell-language-server-wrapper" "$(BINDIST_OUT_DIR)/bin/haskell-language-server-wrapper"
 	$(INSTALL_D) "$(ROOT_DIR)/$(BINDIST_OUT_DIR)/lib/$(GHC_VERSION)"
-	$(FIND) "$(STORE_DIR)/ghc-$(GHC_VERSION)" -type f -name "*.so" -execdir $(INSTALL_X) "{}" "$(ROOT_DIR)/$(BINDIST_OUT_DIR)/lib/$(GHC_VERSION)/{}" \;
-	$(FIND) "$(ROOT_DIR)/$(BINDIST_OUT_DIR)/lib/$(GHC_VERSION)" -type f -name '*.so' -execdir $(call set_rpath,,{}) \;
+	$(FIND) "$(STORE_DIR)/ghc-$(GHC_VERSION)" -type f -name "$(DLL)" -execdir $(INSTALL_X) "{}" "$(ROOT_DIR)/$(BINDIST_OUT_DIR)/lib/$(GHC_VERSION)/{}" \;
+	$(FIND) "$(ROOT_DIR)/$(BINDIST_OUT_DIR)/lib/$(GHC_VERSION)" -type f -name '$(DLL)' -execdir $(call set_rpath,,{}) \;
 
 install-ghcs:
 	ghcup install ghc recommended