prosody: Change linker from LD to CC

This is causing linking errors on i3486 and maybe other platforms. Linking
with LD does not seem to be very portable.

Also cleaned up the Makefile by getting rid of whitespace, HTTPS,
duplicated entries, etc...

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/prosody/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=prosody
 PKG_VERSION:=0.11.2
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://prosody.im/downloads/source
@@ -30,7 +30,7 @@ define Package/prosody
   SUBMENU:=Instant Messaging
   DEPENDS:=+luafilesystem +libidn +luaexpat +luasec +libopenssl +libidn +liblua +luabitop
   TITLE:=XMPP server
-  URL:=http://prosody.im/
+  URL:=https://prosody.im/
   USERID:=prosody=54:prosody=54
 endef
 
@@ -44,10 +44,10 @@ define Package/prosody/conffiles
 /etc/prosody/prosody.cfg.lua
 endef
 
-TARGET_CFLAGS += $(FPIC) 
-
-TARGET_LDFLAGS += -L$(STAGING_DIR)/usr/lib 
+TARGET_CFLAGS += $(FPIC) -std=gnu99
+TARGET_LDFLAGS += -shared
 
+MAKE_FLAGS += LD="$(TARGET_CC)"
 
 define Build/Configure
 	# this is *NOT* GNU autoconf stuff
@@ -57,17 +57,11 @@ define Build/Configure
 		--with-lua-include="$(STAGING_DIR)/usr/include" \
 		--with-lua-lib="$(STAGING_DIR)/usr/lib" \
 		--cflags="$(TARGET_CFLAGS)" \
-		--ldflags="$(TARGET_LDFLAGS) -llua -lm -ldl -shared" \
+		--ldflags="$(TARGET_LDFLAGS)" \
 		--c-compiler="$(CC)" \
-		--linker="$(LD)" \
 		--datadir="/etc/prosody/data" \
 	)
 endef
-#	LDFLAGS="$(TARGET_LDFLAGS) -llua -lm -ldl" \
-
-MAKE_FLAGS += \
-	CFLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS) -std=gnu99" \
-	PREFIX="/usr" \
 
 define Package/prosody/install
 	$(INSTALL_DIR) $(1)/etc/init.d