nut: fix CGI setup

This commit makes

 - the libgd dependency (as well as specifying libs and includes)
 - the configure argument "--with-cgi"

dependant on whether the package nut-web-cgi is selected.

nut-web-cgi is also added to PKG_CONFIG_DEPENDS.

Resolves: #10641

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

net/nut/Makefile

@@ -25,7 +25,8 @@ PKG_CONFIG_DEPENDS:= \
 	CONFIG_NUT_DRIVER_SNMP \
 	CONFIG_NUT_DRIVER_USB \
 	CONFIG_NUT_DRIVER_SERIAL \
-	CONFIG_NUT_SSL
+	CONFIG_NUT_SSL \
+	CONFIG_PACKAGE_nut-web-cgi
 
 include $(INCLUDE_DIR)/package.mk
 
@@ -301,7 +302,7 @@ endef
 define Package/nut-web-cgi
 	$(call Package/nut/Default)
 	TITLE+= Web CGI interface
-	DEPENDS:=nut +nut-common +libgd
+	DEPENDS:=nut +nut-common +PACKAGE_nut-web-cgi:libgd
 endef
 
 define Package/nut-web-cgi/description
@@ -530,7 +531,7 @@ CONFIGURE_ARGS += \
 	--without-powerman \
 	--without-wrap \
 	--with-hotplug-dir=/etc/hotplug \
-	--with-cgi \
+	--with$(if $(CONFIG_PACKAGE_nut-web-cgi),,out)-cgi \
 	--without-ipmi \
 	--without-freeipmi \
 	--$(if $(CONFIG_NUT_SSL),with,without)-ssl $(if $(CONFIG_NUT_SSL),--with-openssl) \
@@ -538,7 +539,9 @@ CONFIGURE_ARGS += \
 	--with-statepath=/var/run/nut \
 	--with-drvpath=/lib/nut \
 	--with-user=root \
-	--with-group=root
+	--with-group=root \
+	$(if $(CONFIG_PACKAGE_nut-web-cgi),--with-gd-includes="`pkg-config --cflags gdlib`") \
+	$(if $(CONFIG_PACKAGE_nut-web-cgi),--with-gd-libs="`pkg-config --libs gdlib`")
 
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/include $(1)/usr/lib/pkgconfig