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CMakeLists.txt: allow disabling Python support #2051

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CMakeLists.txt: allow disabling Python support #2051

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19 changes: 11 additions & 8 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ option(USE_EXTERNAL_LIBS "Use external libraries from AVRDUDE GitHub repositorie
option(USE_LIBUSBWIN32 "Prefer libusb-win32 over libusb" OFF)
option(DEBUG_CMAKE "Enable debugging output for this CMake project" OFF)
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
option(ENABLE_PYTHON_SUPPORT "Enable Python support" ON)

if(WIN32)
# Prefer static libraries over DLLs on Windows
Expand Down Expand Up @@ -281,14 +282,16 @@ if(HAVE_LINUXGPIO)
endif()

# -------------------------------------
# Find SWIG
find_package(SWIG 4.0 COMPONENTS python)
if(SWIG_FOUND)
find_package(Python3 COMPONENTS Interpreter Development)
if(PYTHON3_FOUND)
set(HAVE_SWIG 1)
else()
message(STATUS "Found SWIG but no Python3 header/library; cannot use SWIG")
# Find SWIG/Python3 if needed
if(ENABLE_PYTHON_SUPPORT)
find_package(SWIG 4.0 COMPONENTS python)
if(SWIG_FOUND)
find_package(Python3 COMPONENTS Interpreter Development)
if(PYTHON3_FOUND)
set(HAVE_SWIG 1)
else()
message(STATUS "Found SWIG but no Python3 header/library; cannot use SWIG")
endif()
endif()
endif()

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