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Only include externals when actually needed #565

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Only include externals when actually needed #565

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19 changes: 15 additions & 4 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ option(FORCE_SSE "Compile with SSE instruction only" ON)
option(FORCE_SSSE3 "Compile with SSSE3 instruction only" OFF)
option(FORCE_SSE41 "Compile with SSE4.1 instruction only" OFF)
option(OPTIONAL_TEST "Compile optional test (might be broken)" OFF)
option(USE_SYSTEM_HIDAPI "Use the system library for hidapi" OFF)
# UNITTEST option must be after CMAKE_BUILT_TYPE

# where cmake find custom modules
Expand Down Expand Up @@ -72,7 +73,11 @@ set(CUSTOM_SRC_DIR "${CMAKE_SOURCE_DIR}/src")
set(CUSTOM_EXTERNAL_DIR "${CMAKE_SOURCE_DIR}/external")
set(CUSTOM_MISC_DIR "${CUSTOM_EXTERNAL_DIR}/misc")
set(CUSTOM_REGEX_DIR "${CUSTOM_EXTERNAL_DIR}/regex")
set(CUSTOM_HIDAPI_DIR "${CUSTOM_EXTERNAL_DIR}/hidapi")
if(USE_SYSTEM_HIDAPI)
find_package(hidapi REQUIRED)
else()
set(CUSTOM_HIDAPI_DIR "${CUSTOM_EXTERNAL_DIR}/hidapi")
endif()
set(CUSTOM_GEOTRANZ_DIR "${CUSTOM_EXTERNAL_DIR}/geotranz")
set(CUSTOM_DATA_DIR "${CMAKE_SOURCE_DIR}/data")
set(CUSTOM_SCRIPTS_DIR "${CMAKE_SOURCE_DIR}/scripts")
Expand Down Expand Up @@ -374,9 +379,15 @@ add_subdirectory(data)

# external libraries
add_subdirectory(${CUSTOM_GEOTRANZ_DIR})
add_subdirectory(${CUSTOM_REGEX_DIR})
add_subdirectory(${CUSTOM_HIDAPI_DIR})
add_subdirectory(${CUSTOM_MISC_DIR})
if(WIN32)
add_subdirectory(${CUSTOM_REGEX_DIR})
endif()
if(NOT USE_SYSTEM_HIDAPI)
add_subdirectory(${CUSTOM_HIDAPI_DIR})
endif()
if(NOT LINUX)
add_subdirectory(${CUSTOM_MISC_DIR})
endif()

# direwolf source code and utilities
add_subdirectory(src)
Expand Down