commit G.

Signed-off-by: Jiang Xin <jiangxin@ossxp.com>

Author: Jiang Xin

README

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+DEMO program for git-scm-book.
+
+Changes
+=======
+
+* create node G.
+* initialized.

doc/G.txt

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+2010年 12月 09日 星期四 13:45:52 CST

src/.gitignore

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+*.o
+hello
+version.h

src/Makefile

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+OBJECTS = main.o
+TARGET = hello
+
+all: $(TARGET)
+
+$(TARGET): $(OBJECTS)
+	$(CC) -o $@ $^
+
+main.o: version.h
+
+version.h: new_header
+
+new_header:
+	@sed -e "s/<version>/$$(git describe)/g" < version.h.in > version.h.tmp
+	@if diff -q version.h.tmp version.h >/dev/null 2>&1; then \
+		rm version.h.tmp; \
+	else \
+		echo "version.h.in => version.h" ; \
+		mv version.h.tmp version.h; \
+	fi
+
+clean:
+	rm -f $(TARGET) $(OBJECTS) version.h
+
+.PHONY: all clean
+
+# vim: noet

src/main.c

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+#include "version.h"
+#include <stdio.h>
+
+int
+main()
+{
+    printf( "Hello, world.\n" );
+    printf( "version: %s.\n", _VERSION );
+    return 0;
+}

src/version.h.in

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+#ifndef HELLO_WORLD_VERSION_H
+#define HELLO_WORLD_VERSION_H
+
+#define _VERSION "<version>"
+
+#endif