Zig hello-example

rename example - fix

confusion-rename fixed

zigflags added

rm zigflag single-threaded

zig rules added

Application.mk

@@ -73,19 +73,22 @@ CAOBJS = $(CASRCS:=$(SUFFIX)$(OBJEXT))
 COBJS = $(CSRCS:=$(SUFFIX)$(OBJEXT))
 CXXOBJS = $(CXXSRCS:=$(SUFFIX)$(OBJEXT))
 RUSTOBJS = $(RUSTSRCS:=$(SUFFIX)$(OBJEXT))
+ZIGOBJS = $(ZIGSRCS:=$(SUFFIX)$(OBJEXT))
 
 MAINCXXSRCS = $(filter %$(CXXEXT),$(MAINSRC))
 MAINCSRCS = $(filter %.c,$(MAINSRC))
 MAINRUSTSRCS = $(filter %$(RUSTEXT),$(MAINSRC))
+MAINZIGSRCS = $(filter %$(ZIGEXT), $(MAINSRC))
 MAINCXXOBJ = $(MAINCXXSRCS:=$(SUFFIX)$(OBJEXT))
 MAINCOBJ = $(MAINCSRCS:=$(SUFFIX)$(OBJEXT))
 MAINRUSTOBJ = $(MAINRUSTSRCS:=$(SUFFIX)$(OBJEXT))
+MAINZIGOBJS = $(MAINZIGSRCS:=$(SUFFIX$(OBJEXT))
 
 SRCS = $(ASRCS) $(CSRCS) $(CXXSRCS) $(MAINSRC)
-OBJS = $(RAOBJS) $(CAOBJS) $(COBJS) $(CXXOBJS) $(RUSTOBJS)
+OBJS = $(RAOBJS) $(CAOBJS) $(COBJS) $(CXXOBJS) $(RUSTOBJS) $(ZIGOBJS)
 
 ifneq ($(BUILD_MODULE),y)
-  OBJS += $(MAINCOBJ) $(MAINCXXOBJ) $(MAINRUSTOBJ)
+  OBJS += $(MAINCOBJ) $(MAINCXXOBJ) $(MAINRUSTOBJ) $(MAINZIGOBJS)
 endif
 
 DEPPATH += --dep-path .
@@ -119,6 +122,11 @@ define ELFCOMPILERUST
 	$(Q) $(RUSTC) --emit obj $(RUSTELFFLAGS) $($(strip $1)_RUSTELFFLAGS) $1 -o $2
 endef
 
+define ELFCOMPILEZIG
+       @echo "ZIG: $1"
+       $(Q) $(ZIG) build-obj $(ZIGELFFLAGS) $($(strip $1)_ZIGELFFLAGS) $1 --name $2
+endef
+
 define ELFLD
 	@echo "LD: $2"
 	$(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) $(ARCHCRT0OBJ) $1 $(LDLIBS) -o $2
@@ -144,6 +152,10 @@ $(RUSTOBJS): %$(RUSTEXT)$(SUFFIX)$(OBJEXT): %$(RUSTEXT)
 	$(if $(and $(CONFIG_BUILD_LOADABLE),$(CELFFLAGS)), \
 		$(call ELFCOMPILERUST, $<, $@), $(call COMPILERUST, $<, $@))
 
+$(ZIGOBJS): %$(ZIGEXT)$(SUFFIX)$(OBJEXT): %$(ZIGEXT)
+	$(if $(and $(CONFIG_BUILD_LOADABLE), $(CELFFLAGS)), \
+		$(call ELFCOMPILEZIG, $<, $@), $(call COMPILEZIG, $<, $@))
+
 archive:
 	$(call ARCHIVE_ADD, $(call CONVERT_PATH,$(BIN)), $(OBJS))
 
@@ -195,6 +207,10 @@ $(MAINRUSTOBJ): %$(RUSTEXT)$(SUFFIX)$(OBJEXT): %$(RUSTEXT)
 	$(if $(and $(CONFIG_BUILD_LOADABLE),$(CELFFLAGS)), \
 		$(call ELFCOMPILERUST, $<, $@), $(call COMPILERUST, $<, $@))
 
+$(MAINZIGOBJS): %$(ZIGEXT)$(SUFFIX)$(OBJEXT): %$(ZIGEXT)
+	$(if $(and $(CONFIG_BUILD_LOADABLE),$(CELFFLAGS)), \
+		$(call ELFCOMPILEZIG, $<, $@), $(call COMPILEZIG, $<, $@))
+
 install::
 
 endif # BUILD_MODULE

Make.defs

@@ -58,6 +58,7 @@ $(foreach BDIR, $(BUILDIRS), $(eval $(call Add_Application,$(BDIR))))
 
 CXXEXT ?= .cxx
 RUSTEXT ?= .rs
+ZIGEXT ?= .zig
 
 # Library path
 

examples/hello_zig/Kconfig

@@ -0,0 +1,29 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+config EXAMPLES_HELLO_ZIG
+	tristate "\"Hello, Zig!\" example"
+	default n
+	---help---
+		Enable the \"Hello, Zig!\" example
+
+if EXAMPLES_HELLO_ZIG
+
+config EXAMPLES_HELLO_ZIG_PROGNAME
+	string "Program name"
+	default "hello_zig"
+	---help---
+		This is the name of the program that will be used when the
+		program is installed.
+
+config EXAMPLES_HELLO_ZIG_PRIORITY
+	int "Hello Zig task priority"
+	default 100
+
+config EXAMPLES_HELLO_ZIG_STACKSIZE
+	int "Hello Zig stack size"
+	default DEFAULT_TASK_STACKSIZE
+
+endif

examples/hello_zig/Make.defs

@@ -0,0 +1,23 @@
+############################################################################
+# apps/examples/hello_zig/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+ifneq ($(CONFIG_EXAMPLES_HELLO_ZIG),)
+CONFIGURED_APPS += $(APPDIR)/examples/hello_zig
+endif

examples/hello_zig/Makefile

@@ -0,0 +1,34 @@
+############################################################################
+# apps/examples/hello_zig/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+include $(APPDIR)/Make.defs
+
+# Hello, Zig! Example
+
+MAINSRC = hello_zig_main.zig
+
+# Hello, Zig! built-in application info
+
+PROGNAME  = $(CONFIG_EXAMPLES_HELLO_ZIG_PROGNAME)
+PRIORITY  = $(CONFIG_EXAMPLES_HELLO_ZIG_PRIORITY)
+STACKSIZE = $(CONFIG_EXAMPLES_HELLO_ZIG_STACKSIZE)
+MODULE    = $(CONFIG_EXAMPLES_HELLO_ZIG)
+
+include $(APPDIR)/Application.mk

examples/hello_zig/hello_zig_main.zig

@@ -0,0 +1,39 @@
+//***************************************************************************
+// examples/hello_zig/hello_zig_main.zig
+//
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.  The
+// ASF licenses this file to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance with the
+// License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+// License for the specific language governing permissions and limitations
+// under the License.
+//
+//***************************************************************************
+
+//***************************************************************************
+// Included Files
+//***************************************************************************
+const std = @import("std");
+
+//****************************************************************************
+//* Externs
+//****************************************************************************
+
+pub extern fn printf(_format: [*:0]const u8) c_int;
+
+//****************************************************************************
+//* hello_zig_main
+//****************************************************************************
+pub export fn hello_zig_main(_argc: c_int, _argv: [*]const [*]const u8) c_int {
+    _ = _argc;
+    _ = _argv;
+    printf("Hello, Zig!\n");
+}