Rename 'LIBEVENT_D' to 'LIBEVENT'

Makefile

@@ -9,10 +9,11 @@ BUILD_DIR           = $(CURDIR)
 BUILD_PREBUILT_DEP  = $(BUILD_DIR)/prebuilt/dep
 BUILD_PREBUILT_TMUX = $(BUILD_DIR)/prebuilt/tmux
 
+LIBEVENT          = libevent-$(LIBEVENT_VERSION)
+LIBEVENT_TGZ      = $(LIBEVENT).tar.gz
+LIBEVENT_URL      = https://github.com/libevent/libevent/releases/download/release-$(LIBEVENT_VERSION)/$(LIBEVENT_TGZ)
 
-LIBEVENT_URL      = https://github.com/libevent/libevent/releases/download/release-$(LIBEVENT_VERSION)/libevent-$(LIBEVENT_VERSION).tar.gz
-LIBEVENT_TGZ      = libevent-$(LIBEVENT_VERSION).tar.gz
-LIBEVENT_D        = libevent-$(LIBEVENT_VERSION)
+NCURSES_URL       =
 
 
 TMUX             := tmux-$(TMUX_VERSION).musl-bin.tar.gz
@@ -28,7 +29,7 @@ help: ## Display this help message
 		$(lastword $(MAKEFILE_LIST))
 
 clean: ## Remove all build and dist directories
-	-rm -rf prebuilt $(LIBEVENT_D)
+	-rm -rf prebuilt $(LIBEVENT)
 
 tmux: ## Build static tmux archive
 	$(MAKE) $(TMUX)
@@ -43,14 +44,14 @@ tmux: ## Build static tmux archive
 libevent: ## Download and build libevent library
 	$(MAKE) $(BUILD_PREBUILT_DEP)/lib/libevent.a
 
-$(BUILD_PREBUILT_DEP)/lib/libevent.a: $(LIBEVENT_D)/.libs/libevent.a
-	$(MAKE) -C $(LIBEVENT_D) install
+$(BUILD_PREBUILT_DEP)/lib/libevent.a: $(LIBEVENT)/.libs/libevent.a
+	$(MAKE) -C $(LIBEVENT) install
 
-$(LIBEVENT_D)/.libs/libevent.a: $(LIBEVENT_D)/Makefile
-	$(MAKE) -C $(LIBEVENT_D) -j4 all
+$(LIBEVENT)/.libs/libevent.a: $(LIBEVENT)/Makefile
+	$(MAKE) -C $(LIBEVENT) -j4 all
 
-$(LIBEVENT_D)/Makefile: $(LIBEVENT_D)
-	cd $(LIBEVENT_D) \
+$(LIBEVENT)/Makefile: $(LIBEVENT)
+	cd $(LIBEVENT) \
 		&& ./configure \
 				--prefix="$(BUILD_PREBUILT_DEP)" \
 				--disable-openssl \
@@ -58,7 +59,7 @@ $(LIBEVENT_D)/Makefile: $(LIBEVENT_D)
 				--enable-static=yes \
 				--with-pic
 
-$(LIBEVENT_D): $(LIBEVENT_TGZ)
+$(LIBEVENT): $(LIBEVENT_TGZ)
 	tar xzf $<
 
 $(LIBEVENT_TGZ):