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Detect python version at build time

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This remove the hardcoded version in CMakeLists.txt and
loader_script_handler.cpp.

Fixing building on Arch Linux and probably other systems.
This commit is contained in:
Mary 2020-12-05 12:46:50 +01:00
parent 168ba2ff9f
commit d3dccace37
2 changed files with 13 additions and 3 deletions
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14
CMakeLists.txt
View File

@ -11,13 +11,23 @@ pkg_search_module(CAPSTONE REQUIRED capstone)
find_package(OpenGL REQUIRED)
find_package(LLVM REQUIRED CONFIG)
find_package(nlohmann_json REQUIRED)
find_package(Python 3.8.6 COMPONENTS Interpreter Development)
find_package(Python COMPONENTS Interpreter Development)
if(Python_VERSION LESS 3)
message(STATUS ${PYTHON_VERSION_MAJOR_MINOR})
message(FATAL_ERROR "No valid version of Python 3 was found.")
endif()
llvm_map_components_to_libnames(demangler)
include_directories(include ${GLFW_INCLUDE_DIRS} ${CAPSTONE_INCLUDE_DIRS} ${LLVM_INCLUDE_DIRS} libs/ImGui/include libs/glad/include ${Python_INCLUDE_DIRS})
SET(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -DIMGUI_IMPL_OPENGL_LOADER_GLAD")
# Get Python major and minor
string(REPLACE "." ";" PYTHON_VERSION_MAJOR_MINOR ${Python_VERSION})
list(REMOVE_AT PYTHON_VERSION_MAJOR_MINOR 2)
list(JOIN PYTHON_VERSION_MAJOR_MINOR "." PYTHON_VERSION_MAJOR_MINOR)
SET(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} -DIMGUI_IMPL_OPENGL_LOADER_GLAD -DPYTHON_VERSION_MAJOR_MINOR=\"\\\"${PYTHON_VERSION_MAJOR_MINOR}\"\\\"")
if (WIN32)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libstdc++ -static-libgcc -static")

2
source/helpers/loader_script_handler.cpp
View File

@ -181,7 +181,7 @@ namespace hex {
bool LoaderScript::processFile(std::string_view scriptPath) {
Py_SetProgramName(Py_DecodeLocale(mainArgv[0], nullptr));
if (std::filesystem::exists(std::filesystem::path(mainArgv[0]).parent_path().string() + "/lib/python3.8"))
if (std::filesystem::exists(std::filesystem::path(mainArgv[0]).parent_path().string() + "/lib/python" PYTHON_VERSION_MAJOR_MINOR))
Py_SetPythonHome(Py_DecodeLocale(std::filesystem::path(mainArgv[0]).parent_path().string().c_str(), nullptr));
PyImport_AppendInittab("_imhex", []() -> PyObject* {