c-logger: changes to allow compilation on embedded platforms

.github/workflows/ci.yml

@@ -0,0 +1,44 @@
+name: CI
+
+on:
+  push:
+    branches: [ main, master, develop ]
+  pull_request:
+    branches: [ main, master, develop ]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        compiler: [gcc, clang]
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Install build dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y cmake build-essential
+
+    - name: Build in debug mode
+      run: |
+        ./build.sh debug
+
+    - name: Compile project
+      run: |
+        cd build_debug
+        make
+
+    - name: Run tests
+      run: |
+        cd build_debug
+        make test
+
+    - name: Run cross-platform tests
+      run: |
+        cd test/cross-platform-testing
+        ./advanced-tests.sh
+        ./test-missing-headers.sh

CMakeLists.txt

@@ -1,53 +1,81 @@
-cmake_minimum_required(VERSION 2.8.11)
+cmake_minimum_required(VERSION 3.5)
 project(logger C)
 
-set(CMAKE_C_FLAGS "-Wall -std=c89")
-set(CMAKE_C_FLAGS_RELEASE "-O2 -DNDEBUG")
-set(CMAKE_C_FLAGS_DEBUG "-g")
+include(GNUInstallDirs)
+
+# Build options
+option(BUILD_TESTS "Build all of own tests" OFF)
+option(BUILD_EXAMPLES "Build example programs" OFF)
+option(BUILD_DOCS "Build doxygen documentation" OFF)
+option(BUILD_SHARED "Build shared library" OFF)
+option(ENABLE_THREADING "Enable thread safety" ON)
+option(WARNINGS_AS_ERRORS "Treat all warnings as errors" OFF)
+
+# Set default build type to Release
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build." FORCE)
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
+endif()
 
-option(build_tests "Build all of own tests" OFF)
-option(build_examples "Build example programs" OFF)
-option(build_docs "Build doxygen documentation" OFF)
+# Cross-platform feature detection
+include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/PlatformChecks.cmake)
+
+# Compiler flags
+set(CMAKE_C_FLAGS "-Wall -Wextra -std=c99")
+if(WARNINGS_AS_ERRORS)
+    message(STATUS "WARNINGS_AS_ERRORS=ON: Treating warnings as errors")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
+endif()
+set(CMAKE_C_FLAGS_RELEASE "-O2 -DNDEBUG")
+set(CMAKE_C_FLAGS_DEBUG "-g -O0")
+set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG")
+set(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG")
 
 ### Library
-set(source_files
+set(logger_sources
     src/logger.c
+    src/logger.h
+    src/logger_platform.c
+    src/logger_platform.h
     src/loggerconf.c
+    src/loggerconf.h
+    include/logger_config.h
 )
-# shared and static libraries
-add_library(${PROJECT_NAME} SHARED ${source_files})
-add_library(${PROJECT_NAME}_static STATIC ${source_files})
-set_target_properties(${PROJECT_NAME}_static PROPERTIES OUTPUT_NAME ${PROJECT_NAME})
+if(BUILD_SHARED)
+    add_library(${PROJECT_NAME} SHARED ${logger_sources})
+else()
+    add_library(${PROJECT_NAME} STATIC ${logger_sources})
+endif()
 
 # Export the include directory
 target_include_directories(
     ${PROJECT_NAME} PUBLIC
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
-    $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
-)
-target_include_directories(
-    ${PROJECT_NAME}_static PUBLIC
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
     $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
 )
 
 ### Install
-install(TARGETS ${PROJECT_NAME} DESTINATION ${CMAKE_INSTALL_PREFIX}/lib)
+install(TARGETS ${PROJECT_NAME}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
 file(GLOB header_files src/*.h)
-install(FILES ${header_files} DESTINATION ${CMAKE_INSTALL_PREFIX}/include)
+install(FILES ${header_files} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
 ### Document
-if(build_docs)
+if(BUILD_DOCS)
     add_custom_target(doc COMMAND "doxygen" "${PROJECT_SOURCE_DIR}/doc/Doxyfile")
 endif()
 
 ### Test
-if(build_tests)
+if(BUILD_TESTS)
     enable_testing()
     add_subdirectory(test)
 endif()
 
 ### Example
-if(build_examples)
+if(BUILD_EXAMPLES)
     add_subdirectory(example)
 endif()