Update srcpkgs/zeditor/template

Co-authored-by: Duncan Overbruck <github@duncano.de>

Author: JudahJL

srcpkgs/zeditor/template

@@ -25,33 +25,16 @@ pre_build() {
 	if [ "$CROSS_BUILD" ]; then
 		export PKG_CONFIG_ALLOW_CROSS=1
 
-		local target_env="${RUST_TARGET//-/_}"
-		target_env="${target_env^^}"
+	# workaround the cc-rs mixing CFLAGS for host and target.
+	# https://github.com/rust-lang/cc-rs/issues/1469
+	export CFLAGS_${RUST_BUILD//-/_}="${CFLAGS_host}" \
+		   CXXFLAGS_${RUST_BUILD//-/_}="${CXXFLAGS_host}" \
+		   LDFLAGS_${RUST_BUILD//-/_}="${LDFLAGS_host}" \
+		   CFLAGS_${RUST_TARGET//-/_}="${CFLAGS}" \
+		   CXXFLAGS_${RUST_TARGET//-/_}="${CXXFLAGS}" \
+		   LDFLAGS_${RUST_TARGET//-/_}="${LDFLAGS}" \
+		   CFLAGS="" CXXFLAGS="" LDFLAGS=""
 
-		local cc_var="CC_${target_env}"
-		local cflags_var="CFLAGS_${target_env}"
-		local ldflags_var="LDFLAGS_${target_env}"
-
-		echo "Cross-compilation environment setup:"
-		echo "${cc_var} = ${!cc_var}"
-		echo "${cflags_var} = ${!cflags_var}"
-		echo "${ldflags_var} = ${!ldflags_var}"
-		echo "---"
-		echo "Original CC = $CC"
-		echo "Original CFLAGS = $CFLAGS"
-		echo "---"
-
-		export "CC_${target_env}=$CC"
-		export "CFLAGS_${target_env}=$CFLAGS"
-		export "LDFLAGS_${target_env}=$LDFLAGS"
-
-		echo "${cc_var} = ${!cc_var}"
-		echo "${cflags_var} = ${!cflags_var}"
-		echo "${ldflags_var} = ${!ldflags_var}"
-		echo "---"
-		unset CFLAGS
-		unset LDFLAGS
-		unset CXXFLAGS
 	fi
 }