Simpler - working!

tests/ipdemo/CMakeLists.txt

@@ -1,149 +1,77 @@
-# Get the current date in yyyy.mmdd.hhmm format
+cmake_minimum_required(VERSION 3.16)
+
+# Generate version from current date
 execute_process(
     COMMAND date "+%Y.%m%d.%H%M"
     OUTPUT_VARIABLE PROJECT_VERSION
     OUTPUT_STRIP_TRAILING_WHITESPACE
 )
 
-cmake_minimum_required(VERSION 3.14)
+# Project setup
 if(NOT DEFINED PROJECT_NAME)
     message(FATAL_ERROR "PROJECT_NAME is not defined. Pass it via -DPROJECT_NAME=<name>")
 endif()
 
-# Include required modules
-include(FetchContent)
-
 project(${PROJECT_NAME} VERSION ${PROJECT_VERSION} LANGUAGES CXX)
-set(PROJECT_EXE_NAME ${PROJECT_NAME})
-
-# Force static linking globally
-set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
-set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
-set(BUILD_SHARED_LIBS OFF CACHE BOOL "Build shared libraries" FORCE)
-set(CMAKE_POSITION_INDEPENDENT_CODE OFF)
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static -rdynamic")
-set(ZLIB_USE_STATIC_LIBS "ON")
 
+# C++ standard and build configuration
 set(CMAKE_CXX_STANDARD 23)
-set(CMAKE_C_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-# Set default build type to Debug if not specified
-if(NOT CMAKE_BUILD_TYPE)
-  set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build (Debug or Release)" FORCE)
-endif()
+# Static linking configuration
+set(CMAKE_EXE_LINKER_FLAGS "-static -Wl,--allow-multiple-definition")
+set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
+set(BUILD_SHARED_LIBS OFF)
 
-# Configure build-specific compiler flags
-set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g -gdwarf-4 -fno-omit-frame-pointer")
-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -DNDEBUG -g -gdwarf-4 -fno-omit-frame-pointer")
-
-# Configure version.hpp file
+# Configure version.hpp
 configure_file(
     "${CMAKE_CURRENT_SOURCE_DIR}/src/version.hpp.in"
     "${CMAKE_CURRENT_BINARY_DIR}/src/autogen/version.hpp"
     @ONLY
 )
 
-# Set CMAKE_MODULE_PATH to include our custom find modules
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
-
-# Add custom target to run cmake_prebuild.sh at the start of the build process
+# Pre-build script
 add_custom_target(run_prebuild_script ALL
-    COMMAND ${CMAKE_COMMAND} -E echo "Running cmake_prebuild.sh..."
-    COMMAND ${CMAKE_COMMAND} -E env bash ${CMAKE_CURRENT_SOURCE_DIR}/cmake_prebuild.sh
+    COMMAND bash ${CMAKE_CURRENT_SOURCE_DIR}/cmake_prebuild.sh
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
 )
 
+# Source files
 file(GLOB_RECURSE SOURCES "src/*.cpp")
-
-# Mark sources as GENERATED to defer existence check until build time
 set_source_files_properties(${SOURCES} PROPERTIES GENERATED TRUE)
 
-# Add executable
-add_executable(${PROJECT_EXE_NAME} ${SOURCES})
-add_dependencies(${PROJECT_EXE_NAME} run_prebuild_script)
+# Create executable
+add_executable(${PROJECT_NAME} ${SOURCES})
+add_dependencies(${PROJECT_NAME} run_prebuild_script)
 
-# Set include directories
-# build dir goes first so that we can use the generated version.hpp
-target_include_directories(${PROJECT_EXE_NAME} PRIVATE 
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/src/autogen>
+# Include directories
+target_include_directories(${PROJECT_NAME} PRIVATE 
+    ${CMAKE_CURRENT_BINARY_DIR}/src/autogen
     ${CMAKE_CURRENT_SOURCE_DIR}/src
-    ${CMAKE_CURRENT_SOURCE_DIR}/src/autogen
 )
 
-
-
-# Add nlohmann/json
+# External dependencies
+include(FetchContent)
 FetchContent_Declare(
-  nlohmann_json
-  GIT_REPOSITORY https://github.com/nlohmann/json.git
-  GIT_TAG        v3.12.0
+    nlohmann_json
+    GIT_REPOSITORY https://github.com/nlohmann/json.git
+    GIT_TAG v3.12.0
 )
 FetchContent_MakeAvailable(nlohmann_json)
 
-# Find required libraries using pkg-config
-find_package(PkgConfig REQUIRED)
-pkg_check_modules(LIBUNWIND REQUIRED IMPORTED_TARGET libunwind)
-
-# Required libraries for basic stack tracing
-set(EXTRA_LIBS
-    ${LIBUNWIND_LIBRARIES}
-    -lunwind
-    -lunwind-x86_64
-    -llzma  # Required by libunwind for debug info
-    -ldl    # For dladdr
-)
-
-
-# Set paths for libraries before finding Drogon
-set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} /usr/local)
-set(OPENSSL_ROOT_DIR /usr/local)
-set(OPENSSL_USE_STATIC_LIBS TRUE)
-
-# Find OpenSSL and create the targets that Trantor expects
+# Find packages
+set(CMAKE_PREFIX_PATH /usr/local)
 find_package(OpenSSL REQUIRED)
-
-# Ensure the OpenSSL imported targets exist for Trantor
-if(NOT TARGET OpenSSL::SSL)
-    add_library(OpenSSL::SSL STATIC IMPORTED)
-    set_target_properties(OpenSSL::SSL PROPERTIES
-        IMPORTED_LOCATION "${OPENSSL_SSL_LIBRARY}"
-        INTERFACE_INCLUDE_DIRECTORIES "${OPENSSL_INCLUDE_DIR}"
-        INTERFACE_LINK_LIBRARIES "OpenSSL::Crypto"
-    )
-endif()
-
-if(NOT TARGET OpenSSL::Crypto)
-    add_library(OpenSSL::Crypto STATIC IMPORTED)
-    set_target_properties(OpenSSL::Crypto PROPERTIES
-        IMPORTED_LOCATION "${OPENSSL_CRYPTO_LIBRARY}"
-        INTERFACE_INCLUDE_DIRECTORIES "${OPENSSL_INCLUDE_DIR}"
-    )
-endif()
-
 find_package(Drogon CONFIG REQUIRED)
-target_link_libraries(${PROJECT_NAME} PRIVATE Drogon::Drogon)
-
-# Additional PostgreSQL libraries needed for static linking
-set(POSTGRESQL_EXTRA_LIBS
-    /usr/local/lib/libpgcommon.a
-    /usr/local/lib/libpgport.a
-)
 
 # Link libraries
-target_link_libraries(${PROJECT_EXE_NAME} PRIVATE
+target_link_libraries(${PROJECT_NAME} PRIVATE
     nlohmann_json::nlohmann_json
     Drogon::Drogon
-    ${POSTGRESQL_EXTRA_LIBS}
-    ${EXTRA_LIBS}
-)
-
-# Set static linking flags
-set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
-set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
-set(BUILD_SHARED_LIBS OFF)
-set(CMAKE_POSITION_INDEPENDENT_CODE OFF)
-
-# Add musl's backtrace headers
-include_directories(/usr/include/musl)
+    /usr/lib/libunwind.a
+    /usr/lib/libunwind-x86_64.a
+    /usr/local/lib/libpgcommon.a
+    /usr/local/lib/libpgport.a
+    lzma
+    dl
+)