package/civetweb: drop BR2_PACKAGE_CIVETWEB_WITH_LUA

Drop BR2_PACKAGE_CIVETWEB_WITH_LUA and enable Lua support depending on
BR2_PACKAGE_LUA and BR2_PACKAGE_LUAJIT

It should be noted that civetweb will still use its embedded version of
sqlite

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[Peter: add !BR2_STATIC_LIBS, pass LUA_SHARED_LIB_FLAG, explicitly link with
	-ldl, rework order]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

Config.in.legacy

@@ -146,6 +146,15 @@ endif
 
 comment "Legacy options removed in 2022.02"
 
+config BR2_PACKAGE_CIVETWEB_WITH_LUA
+	bool "civetweb lua support option removed"
+	select BR2_LEGACY
+	help
+	  Lua support does not depend on a version of Lua bundled
+	  within the Civetweb sources anymore. Lua support is
+	  automatically enabled if an Lua interpreter (lua or luajit)
+	  is enabled in Buildroot.
+
 config BR2_PACKAGE_SUNXI_MALI_MAINLINE_DRIVER
 	bool "sunxi-mali-mainline-driver package was renamed"
 	select BR2_LEGACY

package/civetweb/Config.in

@@ -21,18 +21,6 @@ config BR2_PACKAGE_CIVETWEB_LIB
 	  Enable the civetweb library for embedding in another
 	  application.
 
-config BR2_PACKAGE_CIVETWEB_WITH_LUA
-	bool "enable Lua support"
-	# required by the bundled Sqlite3 and Lua code
-	depends on !BR2_STATIC_LIBS
-	help
-	  Enable Lua support in Civetweb. Note that this will use a
-	  version of Lua and Sqlite bundled within the Civetweb
-	  sources, and not the packages from Buildroot.
-
-comment "lua support needs a toolchain w/ dynamic library"
-	depends on BR2_STATIC_LIBS
-
 endif
 
 comment "civetweb needs a toolchain w/ threads"

package/civetweb/civetweb.mk

@@ -26,9 +26,21 @@ ifeq ($(BR2_TOOLCHAIN_HAS_SYNC_4),)
 CIVETWEB_COPT += -DNO_ATOMICS=1
 endif
 
-ifeq ($(BR2_PACKAGE_CIVETWEB_WITH_LUA),y)
-CIVETWEB_CONF_OPTS += WITH_LUA=1
-CIVETWEB_LIBS += -ldl
+ifeq ($(BR2_PACKAGE_LUAJIT),y)
+CIVETWEB_CONF_OPTS += WITH_LUAJIT_SHARED=1
+CIVETWEB_LIBS += `$(PKG_CONFIG_HOST_BINARY) --libs luajit` -ldl
+CIVETWEB_DEPENDENCIES += host-pkgconf luajit
+else ifeq ($(BR2_PACKAGE_LUA):$(BR2_STATIC_LIBS),y:)
+CIVETWEB_CONF_OPTS += WITH_LUA=1 WITH_LUA_SHARED=1 LUA_SHARED_LIB_FLAG=''
+CIVETWEB_LIBS += `$(PKG_CONFIG_HOST_BINARY) --libs lua`
+CIVETWEB_DEPENDENCIES += host-pkgconf lua
+ifeq ($(BR2_PACKAGE_LUA_5_1),y)
+CIVETWEB_CONF_OPTS += WITH_LUA_VERSION=501
+else ifeq ($(BR2_PACKAGE_LUA_5_3),y)
+CIVETWEB_CONF_OPTS += WITH_LUA_VERSION=503
+else ifeq ($(BR2_PACKAGE_LUA_5_4),y)
+CIVETWEB_CONF_OPTS += WITH_LUA_VERSION=504
+endif
 endif
 
 ifeq ($(BR2_PACKAGE_OPENSSL),y)