koboldcpp/tools/ui/CMakeLists.txt
Aldehir Rojas 63248fc3e3
cmake : fix ui build (#23592)
* cmake/ui : add -fPIC to llama-ui static lib

* cmake : rename host compiled embed helper
2026-05-24 02:37:28 -05:00

104 lines
4 KiB
CMake

set(TARGET llama-ui)
set(LLAMA_UI_HF_BUCKET "llama-ui" CACHE STRING "Hugging Face bucket name for prebuilt UI assets")
# Backward compat: forward old var to new one
if(DEFINED LLAMA_BUILD_WEBUI)
set(LLAMA_BUILD_UI ${LLAMA_BUILD_WEBUI})
message(DEPRECATION "LLAMA_BUILD_WEBUI is deprecated, use LLAMA_BUILD_UI instead")
endif()
if(DEFINED LLAMA_USE_PREBUILT_WEBUI)
set(LLAMA_USE_PREBUILT_UI ${LLAMA_USE_PREBUILT_WEBUI})
message(DEPRECATION "LLAMA_USE_PREBUILT_WEBUI is deprecated, use LLAMA_USE_PREBUILT_UI instead")
endif()
if(DEFINED LLAMA_WEBUI_HF_BUCKET)
set(LLAMA_UI_HF_BUCKET ${LLAMA_WEBUI_HF_BUCKET})
message(DEPRECATION "LLAMA_WEBUI_HF_BUCKET is deprecated, use LLAMA_UI_HF_BUCKET instead")
endif()
# Resolve HF asset version: explicit env var > derived from build number > unset
if(DEFINED ENV{HF_WEBUI_VERSION})
set(HF_UI_VERSION "$ENV{HF_WEBUI_VERSION}")
message(DEPRECATION "HF_WEBUI_VERSION env var is deprecated, use HF_UI_VERSION instead")
elseif(DEFINED ENV{HF_UI_VERSION})
set(HF_UI_VERSION "$ENV{HF_UI_VERSION}")
elseif(DEFINED LLAMA_BUILD_NUMBER)
set(HF_UI_VERSION "b${LLAMA_BUILD_NUMBER}")
else()
set(HF_UI_VERSION "")
endif()
if(NOT "${HF_UI_VERSION}" STREQUAL "" AND NOT HF_UI_VERSION MATCHES "^[A-Za-z0-9._-]+$")
message(FATAL_ERROR "UI: invalid HF_UI_VERSION='${HF_UI_VERSION}' - must match ^[A-Za-z0-9._-]+$")
endif()
set(UI_CPP "${CMAKE_CURRENT_BINARY_DIR}/ui.cpp")
set(UI_H "${CMAKE_CURRENT_BINARY_DIR}/ui.h")
if(CMAKE_CROSSCOMPILING)
find_program(HOST_CXX_COMPILER NAMES g++ clang++ NO_CMAKE_FIND_ROOT_PATH)
if(NOT HOST_CXX_COMPILER)
message(FATAL_ERROR "UI: no host C++ compiler (g++/clang++) found to build llama-ui-embed; set -DHOST_CXX_COMPILER=<path>")
endif()
message(STATUS "UI: building llama-ui-embed with host compiler ${HOST_CXX_COMPILER}")
if(CMAKE_HOST_WIN32)
set(LLAMA_UI_EMBED_EXE "${CMAKE_CURRENT_BINARY_DIR}/llama-ui-embed-host.exe")
else()
set(LLAMA_UI_EMBED_EXE "${CMAKE_CURRENT_BINARY_DIR}/llama-ui-embed-host")
endif()
add_custom_command(
OUTPUT "${LLAMA_UI_EMBED_EXE}"
COMMAND "${HOST_CXX_COMPILER}" -O2 -std=c++17
-o "${LLAMA_UI_EMBED_EXE}" "${CMAKE_CURRENT_SOURCE_DIR}/embed.cpp"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/embed.cpp"
COMMENT "Building llama-ui-embed (host)"
VERBATIM
)
# phony target to tie it into the dependency graph
add_custom_target(llama-ui-embed DEPENDS "${LLAMA_UI_EMBED_EXE}")
else()
add_executable(llama-ui-embed embed.cpp)
target_compile_features(llama-ui-embed PRIVATE cxx_std_17)
set_target_properties(llama-ui-embed PROPERTIES
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
)
set(LLAMA_UI_EMBED_EXE "$<TARGET_FILE:llama-ui-embed>")
endif()
# Run the provisioning script every build so source changes in tools/ui/ are
# always picked up. The script uses copy_if_different for ui.cpp/ui.h, so the
# library only recompiles when contents actually change.
add_custom_target(llama-ui-assets ALL
BYPRODUCTS ${UI_CPP} ${UI_H}
COMMAND ${CMAKE_COMMAND}
"-DUI_SOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR}"
"-DUI_BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR}"
"-DLLAMA_SOURCE_DIR=${PROJECT_SOURCE_DIR}"
"-DHF_BUCKET=${LLAMA_UI_HF_BUCKET}"
"-DHF_VERSION=${HF_UI_VERSION}"
"-DHF_ENABLED=${LLAMA_USE_PREBUILT_UI}"
"-DBUILD_UI=${LLAMA_BUILD_UI}"
"-DLLAMA_UI_EMBED=${LLAMA_UI_EMBED_EXE}"
-P "${PROJECT_SOURCE_DIR}/scripts/ui-assets.cmake"
COMMENT "Provisioning UI assets"
VERBATIM
)
add_dependencies(llama-ui-assets llama-ui-embed)
set_source_files_properties(${UI_CPP} ${UI_H} PROPERTIES GENERATED TRUE)
add_library(${TARGET} STATIC ${UI_CPP} ${UI_H})
target_compile_features(${TARGET} PRIVATE cxx_std_17)
add_dependencies(${TARGET} llama-ui-assets)
if (BUILD_SHARED_LIBS)
set_target_properties(${TARGET} PROPERTIES POSITION_INDEPENDENT_CODE ON)
endif()
target_include_directories(${TARGET} PUBLIC
${CMAKE_CURRENT_BINARY_DIR}
)