CMake: Advanced Topics (2024-07-01)#

Day 1 #

Basics #

From CMake: Introduction

Cross Development #

CMake: Cross Build (including a link to a working toolchain file)
More about toolchains and cross development

Day 2 #

Exercise: Build It!#

Add CMake build to existing source code in jfasch/2024-07-01

Dependencies, Dependencies, Properties, …#

The CMake Language #

From The Language

Day 3 #

Morning Awakening #

Screenplay: Function Wrapping add_library()

External Dependencies #

From CMake: Advanced Topics …

Composite	MQTT	Dependencies in our project

Code Generators #

Screenplay: Generated Code (add_custom_command())

Wrong way to generate code: generate at CMake run time: ⟶ triggers unnecessary rebuilds everytime a CMakeLists.txt is changed.

# -----------------------------
# THIS IS NOT THE WAY TO DO IT!
# -----------------------------

execute_process(
  COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/config-generator.py
          ${CMAKE_CURRENT_SOURCE_DIR}/2024-07-03.conf
       ${CMAKE_CURRENT_BINARY_DIR}/2024-07-03-do-not-use.cpp
)

add_executable(
  data-logger-deeply-embedded-2024-07-03-do-not-use

  data-logger-deeply-embedded.cpp
  ${CMAKE_CURRENT_BINARY_DIR}/2024-07-03-do-not-use.cpp
)
target_include_directories(data-logger-deeply-embedded-2024-07-03-do-not-use PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
target_link_libraries(data-logger-deeply-embedded-2024-07-03-do-not-use data-logger-lib base-lib)

See jfasch/2024-07-01

Unit Tests #

Running Tests