gcc backend (initial pass) via libgccjit

CMakeLists.txt

@@ -14,6 +14,15 @@ endif()
 # set the project name
 project(cpfe)
 
+# Setup CMake module path to find our custom modules (like FindLibGCCJIT.cmake)
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+# GCC Backend Option
+option(EDG_ENABLE_GCC_BACKEND "Enable the libgccjit backend" OFF)
+if(EDG_ENABLE_GCC_BACKEND)
+  find_package(LibGCCJIT REQUIRED)
+endif()
+
 # Check for attempts to use an in-source build.
 if("${CMAKE_BINARY_DIR}" STREQUAL "${CMAKE_SOURCE_DIR}")
   message(FATAL_ERROR
@@ -82,6 +91,10 @@ if(NOT WIN32)
   set(EDG_BUILD_LIB TRUE CACHE BOOL "Enable the EDG library build")
 endif()
 
+# Enable Testing
+enable_testing()
+include(CTest)
+
 # For GCC and Clang provide an (off by default) option for colored output.
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR
     CMAKE_CXX_COMPILER_ID MATCHES "Clang")
@@ -145,3 +158,29 @@ include(${CMAKE_SOURCE_DIR}/cmake/wrapper.cmake)
 # Handle wrapping eccp, needed for building the C library, and general
 # development
 add_edg_wrapper_script(eccp "." ${CMAKE_SOURCE_DIR}/util/eccp.sh)
+
+if(EDG_ENABLE_GCC_BACKEND)
+  add_subdirectory(tests/gcc_be)
+endif()
+
+# --- CPack Integration ---
+set(CPACK_PACKAGE_NAME "edg-cpfe")
+set(CPACK_PACKAGE_VERSION "1.0.0")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "EDG C++ Front End (with GCC backend)")
+set(CPACK_PACKAGE_VENDOR "Edison Design Group")
+set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.txt")
+
+if(APPLE)
+  set(CPACK_GENERATOR "DragNDrop;TGZ")
+elseif(WIN32)
+  set(CPACK_GENERATOR "ZIP;WIX")
+elseif(CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+  set(CPACK_GENERATOR "TXZ")
+else()
+  set(CPACK_GENERATOR "DEB;RPM")
+  set(CPACK_DEBIAN_PACKAGE_MAINTAINER "EDG")
+  set(CPACK_DEBIAN_PACKAGE_DEPENDS "libgccjit0 (>= 10.0.0) | libgccjit-10-dev | libgccjit-11-dev | libgccjit-12-dev | libgccjit-13-dev | libgccjit-14-dev")
+  set(CPACK_RPM_PACKAGE_REQUIRES "libgccjit")
+endif()
+
+include(CPack)

cmake/FindLibGCCJIT.cmake

@@ -0,0 +1,68 @@
+# FindLibGCCJIT
+# -------------
+
+find_path(LibGCCJIT_INCLUDE_DIR
+  NAMES libgccjit.h
+  PATHS 
+    /usr/include 
+    /usr/local/include 
+    /opt/homebrew/include 
+    /opt/local/include
+    "C:/msys64/mingw64/include"
+    "C:/Program Files/GCC/include"
+)
+
+find_library(LibGCCJIT_LIBRARY
+  NAMES gccjit
+  PATHS 
+    /usr/lib 
+    /usr/local/lib 
+    /usr/lib64
+    /usr/lib/x86_64-linux-gnu
+    /usr/lib/aarch64-linux-gnu
+    /opt/homebrew/lib
+    /opt/homebrew/lib/gcc/current
+    /opt/local/lib
+    "C:/msys64/mingw64/lib"
+    "C:/Program Files/GCC/lib"
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(LibGCCJIT
+  REQUIRED_VARS LibGCCJIT_LIBRARY LibGCCJIT_INCLUDE_DIR
+)
+
+if(LibGCCJIT_FOUND)
+  set(LibGCCJIT_INCLUDE_DIRS ${LibGCCJIT_INCLUDE_DIR})
+  set(LibGCCJIT_LIBRARIES ${LibGCCJIT_LIBRARY})
+
+  if(NOT TARGET LibGCCJIT::LibGCCJIT)
+    add_library(LibGCCJIT::LibGCCJIT UNKNOWN IMPORTED)
+    set_target_properties(LibGCCJIT::LibGCCJIT PROPERTIES
+      IMPORTED_LOCATION "${LibGCCJIT_LIBRARY}"
+      INTERFACE_INCLUDE_DIRECTORIES "${LibGCCJIT_INCLUDE_DIR}"
+    )
+  endif()
+
+  include(CheckCSourceCompiles)
+  set(CMAKE_REQUIRED_INCLUDES ${LibGCCJIT_INCLUDE_DIR})
+
+  # Inspect header libgccjit.h for feature availability macros
+  macro(check_libgccjit_feature FEATURE)
+    check_c_source_compiles("
+      #include <libgccjit.h>
+      #ifndef ${FEATURE}
+      #error \"Feature ${FEATURE} not available\"
+      #endif
+      int main() { return 0; }
+    " ${FEATURE})
+  endmacro()
+
+  check_libgccjit_feature(LIBGCCJIT_HAVE_gcc_jit_context_add_command_line_option)
+  check_libgccjit_feature(LIBGCCJIT_HAVE_gcc_jit_context_add_driver_option)
+  check_libgccjit_feature(LIBGCCJIT_HAVE_gcc_jit_context_new_bitcast)
+  check_libgccjit_feature(LIBGCCJIT_HAVE_gcc_jit_context_new_rvalue_from_vector)
+  check_libgccjit_feature(LIBGCCJIT_HAVE_gcc_jit_version)
+endif()
+
+mark_as_advanced(LibGCCJIT_INCLUDE_DIR LibGCCJIT_LIBRARY)