cmake: hello world example

Author: cirosantilli

cmake/README.md

@@ -2,6 +2,7 @@
 
 Good examples: <https://github.com/ttroy50/cmake-examples>
 
+1. [hello](hello/)
 1. [multi_executable](multi_executable/)
 1. [multi_file](multi_file/)
 1. [multi_file_recursive](multi_file_recursive/)

cmake/hello/CMakeLists.txt

@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.0)
+project(ProjectName)
+add_executable(main main.c)

cmake/hello/main.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+    puts(__FILE__);
+    return EXIT_SUCCESS;
+}

cmake/multi_file/CMakeLists.txt

@@ -1,3 +1,4 @@
-cmake_minimum_required(VERSION _3.0)
+project(ProjectName)
+cmake_minimum_required(VERSION 3.0)
 file(GLOB SOURCES RELATIVE ${CMAKE_SOURCE_DIR} "*.c")
 add_executable(main ${SOURCES})