Merge branch 'tools/test_all_examples_compiling' into 'master'

tools(ci): Add script to compile all examples by make and cmake

See merge request sdk/ESP8266_RTOS_SDK!1532

tools/ci/build_all.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Build makefile examples
+
+mkdir -p build_log
+export LOG_PATH=`pwd`/build_log
+
+mkdir -p build_examples
+cd build_examples
+
+mkdir -p ${LOG_PATH}
+${IDF_PATH}/tools/ci/build_examples.sh
+
+# Build cmake examples
+
+mkdir -p build_log_cmake
+export LOG_PATH=`pwd`/build_log_cmake
+
+mkdir -p build_examples_cmake
+cd build_examples_cmake
+
+mkdir -p ${LOG_PATH}
+${IDF_PATH}/tools/ci/build_examples_cmake.sh