webserv/CMakeLists.txt
2025-10-22 16:52:16 +02:00

314 lines
11 KiB
CMake

cmake_minimum_required(VERSION 3.10)
project(webserv)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
# Enable testing
enable_testing()
# Enable parallel compilation
include(ProcessorCount)
ProcessorCount(N)
if(NOT N EQUAL 0)
set(CMAKE_BUILD_PARALLEL_LEVEL ${N})
endif()
# Add source files
file(GLOB_RECURSE SOURCES
"${PROJECT_SOURCE_DIR}/webserv/*.cpp"
)
# Remove main.cpp from sources for library (we'll add it back for the main executable)
list(FILTER SOURCES EXCLUDE REGEX ".*main\\.cpp$")
# Add include directories
include_directories(
${PROJECT_SOURCE_DIR}
)
# Build type options
option(ENABLE_COVERAGE "Enable code coverage" OFF)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif()
# Define available build types for IDE
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
"Debug"
"Release"
"ASAN"
"RelWithDebInfo"
"MinSizeRel"
)
message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
# Coverage configuration
if(ENABLE_COVERAGE)
message(STATUS "Code coverage enabled")
# Find required tools
find_program(GCOV_PATH gcov)
find_program(LCOV_PATH lcov)
find_program(GENHTML_PATH genhtml)
find_program(GCOVR_PATH gcovr)
if(NOT GCOV_PATH)
message(FATAL_ERROR "gcov not found! Please install gcov. On Ubuntu: sudo apt-get install gcc")
endif()
# Check for coverage tools (prefer lcov, fallback to gcovr)
if(LCOV_PATH AND GENHTML_PATH)
message(STATUS "Found lcov and genhtml - using lcov for coverage reports")
set(COVERAGE_TOOL "lcov")
elseif(GCOVR_PATH)
message(STATUS "Found gcovr - using gcovr for coverage reports")
set(COVERAGE_TOOL "gcovr")
else()
message(STATUS "Coverage tools not found. Install with:")
message(STATUS " Ubuntu: sudo apt-get install lcov")
message(STATUS " Or: pip install gcovr")
message(STATUS "Coverage data will still be generated, but no HTML report")
set(COVERAGE_TOOL "none")
endif()
# Set coverage flags based on compiler
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
message(STATUS "Using GCC coverage flags")
set(COVERAGE_FLAGS "--coverage -fprofile-arcs -ftest-coverage -fno-inline -fno-inline-small-functions -fno-default-inline")
set(COVERAGE_LINK_FLAGS "--coverage")
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
message(STATUS "Using Clang coverage flags")
# Use --coverage for Clang to generate gcov-compatible data
set(COVERAGE_FLAGS "--coverage -fprofile-arcs -ftest-coverage")
set(COVERAGE_LINK_FLAGS "--coverage")
else()
message(FATAL_ERROR "Code coverage only supported with GCC or Clang")
endif()
# Apply coverage flags
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COVERAGE_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${COVERAGE_LINK_FLAGS}")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${COVERAGE_LINK_FLAGS}")
# Ensure debug information is available
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0")
endif()
# Set build flags for different build types
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
message(STATUS "Debug build: adding debug flags")
add_compile_options(-g -O0)
add_definitions(-DDEBUG)
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
message(STATUS "Release build: adding optimization flags")
# -Wpedantic -Wshadow -Wnon-virtual-dtor -Wold-style-cast -Wcast-align -Wunused -Woverloaded-virtual -Wconversion -Wsign-conversion -Wnull-dereference -Wdouble-promotion -Wformat=2
add_compile_options(-O2 -g -Wall -Wextra -Werror)
add_definitions(-DNDEBUG)
elseif(CMAKE_BUILD_TYPE STREQUAL "ASAN")
message(STATUS "AddressSanitizer build: adding sanitizer flags")
add_compile_options(-g -O1 -fsanitize=address -fno-omit-frame-pointer)
add_link_options(-fsanitize=address)
add_definitions(-DASAN)
endif()
# Add executable target
add_executable(webserv ${SOURCES} "${PROJECT_SOURCE_DIR}/webserv/main.cpp")
# Create a library for testing (without main.cpp)
add_library(webserv_lib ${SOURCES})
# Google Test integration
option(BUILD_TESTS "Build tests" ON)
if(BUILD_TESTS)
find_package(PkgConfig QUIET)
if(PkgConfig_FOUND)
pkg_check_modules(GTEST gtest)
pkg_check_modules(GTEST_MAIN gtest_main)
endif()
if(GTEST_FOUND AND GTEST_MAIN_FOUND)
message(STATUS "Using system Google Test")
# Use system gtest - variables will be set by pkg_check_modules
else()
message(STATUS "Downloading Google Test")
include(FetchContent)
FetchContent_Declare(
googletest
URL https://github.com/google/googletest/archive/refs/tags/v1.14.0.zip
)
# For Windows: Prevent overriding the parent project's compiler/linker settings
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
FetchContent_MakeAvailable(googletest)
# Make sure gtest targets are available
if(TARGET gtest_main)
message(STATUS "Google Test targets available")
endif()
endif()
# Add test directory if it exists
if(EXISTS "${CMAKE_SOURCE_DIR}/tests")
add_subdirectory(tests)
else()
message(STATUS "Tests directory not found, creating basic test structure")
file(MAKE_DIRECTORY "${CMAKE_SOURCE_DIR}/tests")
# Create a basic test file
file(WRITE "${CMAKE_SOURCE_DIR}/tests/test_main.cpp"
"#include <gtest/gtest.h>
// Basic test to verify Google Test is working
TEST(BasicTest, TruthTest) {
EXPECT_TRUE(true);
EXPECT_FALSE(false);
EXPECT_EQ(1 + 1, 2);
}
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
")
# Create CMakeLists.txt for tests
file(WRITE "${CMAKE_SOURCE_DIR}/tests/CMakeLists.txt"
"# Test executable
add_executable(webserv_tests
test_main.cpp
)
# Link with Google Test
if(TARGET gtest_main)
target_link_libraries(webserv_tests
gtest_main
webserv_lib
)
else()
target_link_libraries(webserv_tests
\${GTEST_LIBRARIES}
\${GTEST_MAIN_LIBRARIES}
webserv_lib
)
target_include_directories(webserv_tests PRIVATE \${GTEST_INCLUDE_DIRS})
endif()
target_include_directories(webserv_tests PRIVATE
\${CMAKE_SOURCE_DIR}
\${CMAKE_SOURCE_DIR}/webserv
)
# Discover tests
include(GoogleTest)
gtest_discover_tests(webserv_tests)
")
endif()
endif()
# Coverage targets
if(ENABLE_COVERAGE AND BUILD_TESTS)
# Coverage cleanup target
add_custom_target(coverage_clean
COMMAND ${CMAKE_COMMAND} -E remove_directory ${CMAKE_BINARY_DIR}/coverage_report
COMMAND ${CMAKE_COMMAND} -E remove -f ${CMAKE_BINARY_DIR}/coverage.info
COMMAND ${CMAKE_COMMAND} -E remove -f ${CMAKE_BINARY_DIR}/coverage.xml
COMMENT "Cleaning coverage data"
)
if(COVERAGE_TOOL STREQUAL "lcov")
# Main coverage target using lcov
add_custom_target(coverage
DEPENDS webserv_tests
# Cleanup previous coverage data
COMMAND ${LCOV_PATH} --directory . --zerocounters
# Run tests
COMMAND ${CMAKE_CTEST_COMMAND} --verbose
# Capture coverage data
COMMAND ${LCOV_PATH} --directory . --capture --output-file coverage.info
# Remove system and test files from coverage
COMMAND ${LCOV_PATH} --remove coverage.info '/usr/*' '/opt/*' '*/tests/*' '*/test/*' '*/_deps/*' '*/build/*' --output-file coverage.info
# Generate HTML report
COMMAND ${GENHTML_PATH} coverage.info --output-directory coverage_report --title "Webserv Coverage Report" --show-details --legend
# Print summary
COMMAND ${LCOV_PATH} --summary coverage.info
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Generating code coverage report with lcov"
)
# Coverage summary target
add_custom_target(coverage_summary
DEPENDS webserv_tests
COMMAND ${CMAKE_CTEST_COMMAND} --verbose
COMMAND ${LCOV_PATH} --directory . --capture --output-file coverage.info
COMMAND ${LCOV_PATH} --remove coverage.info '/usr/*' '/opt/*' '*/tests/*' '*/test/*' '*/_deps/*' '*/build/*' --output-file coverage.info
COMMAND ${LCOV_PATH} --summary coverage.info
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Generating coverage summary"
)
elseif(COVERAGE_TOOL STREQUAL "gcovr")
# Coverage target using gcovr
add_custom_target(coverage
DEPENDS webserv_tests
# Run tests
COMMAND ${CMAKE_CTEST_COMMAND} --verbose
# Generate HTML report
COMMAND ${GCOVR_PATH} --root ${CMAKE_SOURCE_DIR} --exclude-unreachable-branches --exclude '.*test.*' --exclude '.*_deps.*' --html --html-details -o coverage_report.html
# Generate XML report (for CI)
COMMAND ${GCOVR_PATH} --root ${CMAKE_SOURCE_DIR} --exclude-unreachable-branches --exclude '.*test.*' --exclude '.*_deps.*' --xml -o coverage.xml
# Print summary to console
COMMAND ${GCOVR_PATH} --root ${CMAKE_SOURCE_DIR} --exclude-unreachable-branches --exclude '.*test.*' --exclude '.*_deps.*'
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Generating code coverage report with gcovr"
)
# Coverage summary target
add_custom_target(coverage_summary
DEPENDS webserv_tests
COMMAND ${CMAKE_CTEST_COMMAND} --verbose
COMMAND ${GCOVR_PATH} --root ${CMAKE_SOURCE_DIR} --exclude-unreachable-branches --exclude '.*test.*' --exclude '.*_deps.*'
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Generating coverage summary"
)
else()
# Basic coverage target without report generation
add_custom_target(coverage
DEPENDS webserv_tests
COMMAND ${CMAKE_CTEST_COMMAND} --verbose
COMMAND ${CMAKE_COMMAND} -E echo "Coverage data generated. Install lcov or gcovr to generate HTML reports."
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Running tests with coverage enabled"
)
endif()
# Add coverage dependencies
if(TARGET coverage)
add_dependencies(coverage webserv_tests)
endif()
message(STATUS "Coverage targets available:")
message(STATUS " make coverage - Run tests and generate coverage report")
message(STATUS " make coverage_summary - Run tests and show coverage summary")
message(STATUS " make coverage_clean - Clean coverage data")
endif()