all: update to match GCK standard

Makefile

@@ -1,3 +1,37 @@
+#
+#   Makefile for yait (requires GNU make)
+#
+#
+#   LICENSE: BSD-3-Clause
+#
+#   Copyright (c) 2025 GCK
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+# 
+# 1. Redistributions of source code must retain the above copyright notice, this
+#    list of conditions and the following disclaimer.
+# 
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution.
+# 
+# 3. Neither the name of the copyright holder nor the names of its
+#    contributors may be used to endorse or promote products derived from
+#    this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
 PACKAGE := yait
 
 SRCS := $(wildcard src/*.c) $(wildcard lib/*.c)
@@ -6,11 +40,11 @@ OBJS := $(patsubst src/%.c,build/obj/%.o,$(SRCS))
 BIN := bin/$(PACKAGE)
 
 COMMIT := $(shell git rev-list --count --all)
-FLAGS := -I. -DCOMMIT=$(COMMIT) -DSHOW_TRACE --std=c23
+FLAGS := -I. -DCOMMIT=$(COMMIT) --std=c2x -pedantic
 
 VERSION := $(shell git describe --tags --always --dirty)
 TARBALL := $(PACKAGE)-$(VERSION).tar.gz
-RELEASE_FILES := doc src lib COPYING AUTHORS README yait.1 INSTALL Makefile configure config.h
+RELEASE_FILES := doc src lib COPYING AUTHORS README hello.1 INSTALL Makefile configure config.h
 
 -include config.mak
 
@@ -20,7 +54,7 @@ all:
 	@exit 1
 else
 
-all: build $(BIN)
+all: build $(BIN) doc
 
 build:
 	mkdir -p bin
@@ -37,18 +71,23 @@ endif
 install: $(BIN)
 	cp $(BIN) $(PREFIX)
 
+doc:
+	$(MAKE) -C doc all
+
 uninstall:
 	$(RM) $(PREFIX)$(PACKAGE)
 
 clean:
-	$(RM) $(BIN)
+	$(RM) -r bin
 	$(RM) -r build
+	$(MAKE) -C doc clean
 
 distclean: clean
-	$(RM) config.mak
+	$(RM) config.mak config.status
 	$(RM) $(TARBALL)
+	$(MAKE) -C doc clean
 
 release: clean all
 	tar -czf $(TARBALL) $(RELEASE_FILES)
 
-.PHONY: all clean distclean install uninstall build release
+.PHONY: all clean distclean install uninstall build release doc