Revert "Convert to new override syntax (#357)"

This commit is not compatible with zeus layer so revert it.

This reverts commit bf6705fb7f.

Signed-off-by: Clément Péron <peron.clem@gmail.com>

conf/distro/include/rust_security_flags.inc

@@ -1,7 +1,7 @@
 # Build errors with PIE options enabled
-SECURITY_CFLAGS:pn-rust-native = "${SECURITY_NO_PIE_CFLAGS}"
-SECURITY_CFLAGS:pn-rust-cross-${TARGET_ARCH} = "${SECURITY_NO_PIE_CFLAGS}"
-SECURITY_CFLAGS:pn-rust = "${SECURITY_NO_PIE_CFLAGS}"
-SECURITY_CFLAGS:pn-rust-llvm = "${SECURITY_NO_PIE_CFLAGS}"
+SECURITY_CFLAGS_pn-rust-native = "${SECURITY_NO_PIE_CFLAGS}"
+SECURITY_CFLAGS_pn-rust-cross-${TARGET_ARCH} = "${SECURITY_NO_PIE_CFLAGS}"
+SECURITY_CFLAGS_pn-rust = "${SECURITY_NO_PIE_CFLAGS}"
+SECURITY_CFLAGS_pn-rust-llvm = "${SECURITY_NO_PIE_CFLAGS}"
 
-SECURITY_LDFLAGS:pn-rust-cross-arm = " -lssp_nonshared -lssp"
+SECURITY_LDFLAGS_pn-rust-cross-arm = " -lssp_nonshared -lssp"

conf/layer.conf

@@ -9,7 +9,7 @@ BBFILE_PATTERN_rust-layer := "^${LAYERDIR}/"
 BBFILE_PRIORITY_rust-layer = "7"
 
 LAYERDEPENDS_rust-layer = "core openembedded-layer"
-LAYERSERIES_COMPAT_rust-layer = "dunfell gatesgarth hardknott honister"
+LAYERSERIES_COMPAT_rust-layer = "rocko sumo thud warrior zeus dunfell gatesgarth hardknott"
 
 # Override security flags
 require conf/distro/include/rust_security_flags.inc

conf/local.conf.sample

@@ -232,8 +232,8 @@ INHERIT += "own-mirrors rm_work"
 # seen. The two lines below enable the SDL backend too. By default libsdl-native will
 # be built, if you want to use your host's libSDL instead of the minimal libsdl built
 # by libsdl-native then uncomment the ASSUME_PROVIDED line below.
-PACKAGECONFIG:append:pn-qemu-native = " sdl"
-PACKAGECONFIG:append:pn-nativesdk-qemu = " sdl"
+PACKAGECONFIG_append_pn-qemu-native = " sdl"
+PACKAGECONFIG_append_pn-nativesdk-qemu = " sdl"
 #ASSUME_PROVIDED += "libsdl-native"
 
 # CONF_VERSION is increased each time build/conf/ changes incompatibly and is used to