cmake hello world added

c/cmake_hello/CMakeLists.txt

@@ -0,0 +1,6 @@
+PROJECT(HELLO)
+# INCLUDE_DIRECTORIES(${FOO_BINARY_DIR})
+ADD_EXECUTABLE(hello hello.c)
+# GET_TARGET_PROPERTY(MY_HELLO_EXE my_hello LOCATION)
+# ADD_EXECUTABLE(hello
+#                ${HELLO_BINARY_DIR}/hello.c)

c/cmake_hello/hello.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int main (int argc, char *argv[])
+{
+  puts ("Hello world!\n");
+
+  return 0;
+}