lighttpd: enable mod_webdav module

genodelabs/genode#5093

repos/ports/ports/lighttpd.hash

@@ -1 +1 @@
-38aa0f93ad7cf9e5c35da09ff2a7f3adbd6e7b5f
+6a9326a07968a5e7f637ec0720e7b4616e66149e

repos/ports/ports/lighttpd.port

@@ -6,4 +6,4 @@ URL(lighttpd) := http://download.lighttpd.net/lighttpd/releases-1.4.x/lighttpd-$
 SHA(lighttpd) := 816cbec71e8d02d874f1d5c798d76d091a76d5acbeb6e017ba76aeb4263d6995
 DIR(lighttpd) := src/app/lighttpd
 
-PATCHES := $(addprefix src/app/lighttpd/,fd_cloexec.patch)
+PATCHES := $(addprefix src/app/lighttpd/,fd_cloexec.patch mod_webdav.patch)

repos/ports/src/app/lighttpd/mod_webdav.patch

@@ -0,0 +1,16 @@
+Disable usage of linkat and unlinkat which is not (yet) support
+in our libc.
+
+--- src/app/lighttpd/src/mod_webdav.c
++++ src/app/lighttpd/src/mod_webdav.c
+@@ -224,6 +224,10 @@
+ #endif
+ #endif
+ 
++#undef AT_FDCWD
++#undef _ATFILE_SOURCE
++
++
+ #ifndef AT_SYMLINK_NOFOLLOW
+ #define AT_SYMLINK_NOFOLLOW 0
+ #endif

repos/ports/src/app/lighttpd/plugin-static.h

@@ -3,3 +3,4 @@ PLUGIN_INIT(mod_dirlisting)
 PLUGIN_INIT(mod_staticfile)
 PLUGIN_INIT(mod_access)
 PLUGIN_INIT(mod_openssl)
+PLUGIN_INIT(mod_webdav)

repos/ports/src/app/lighttpd/target.inc

@@ -53,7 +53,6 @@ FILTER_OUT := lempar.c lighttpd-angel.c lemon.c \
               mod_vhostdb_ldap.c \
               mod_vhostdb_mysql.c \
               mod_vhostdb_pgsql.c \
-              mod_webdav.c \
               mod_wolfssl.c \
               mod_wstunnel.c
 SRC_C = $(filter-out $(FILTER_OUT),$(notdir $(wildcard $(LIGHTTPD_DIR)/src/*.c)))
@@ -81,6 +80,7 @@ CC_OPT += -DLIBRARY_DIR="\"/lib\""
 CC_OPT += -DLIGHTTPD_STATIC
 CC_OPT += -DHAVE_LIBSSL -DUSE_OPENSSL -DUSE_OPENSSL_CRYPTO
 
+CC_OPT += -DMOD_WEBDAV_BUILD_MINIMAL
 
 CC_WARN = -Wall -Wno-unused-variable -Wno-unused-function