205 lines
6.6 KiB
CMake
205 lines
6.6 KiB
CMake
cmake_minimum_required(VERSION 3.16)
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project(baudline VERSION 1.0.0 LANGUAGES C CXX)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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# Build type defaults
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE Release)
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endif()
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# ── ImGui via FetchContent (shared by native and WASM) ───────────────────────
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include(FetchContent)
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FetchContent_Declare(
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imgui
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GIT_REPOSITORY https://github.com/ocornut/imgui.git
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GIT_TAG v1.91.8
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)
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FetchContent_MakeAvailable(imgui)
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add_library(imgui STATIC
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${imgui_SOURCE_DIR}/imgui.cpp
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${imgui_SOURCE_DIR}/imgui_demo.cpp
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${imgui_SOURCE_DIR}/imgui_draw.cpp
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${imgui_SOURCE_DIR}/imgui_tables.cpp
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${imgui_SOURCE_DIR}/imgui_widgets.cpp
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${imgui_SOURCE_DIR}/backends/imgui_impl_sdl2.cpp
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${imgui_SOURCE_DIR}/backends/imgui_impl_opengl3.cpp
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)
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target_include_directories(imgui PUBLIC
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${imgui_SOURCE_DIR}
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${imgui_SOURCE_DIR}/backends
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)
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# ── Common sources ───────────────────────────────────────────────────────────
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set(SOURCES
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src/main.cpp
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src/core/Config.cpp
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src/dsp/WindowFunctions.cpp
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src/dsp/FFTProcessor.cpp
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src/dsp/SpectrumAnalyzer.cpp
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src/audio/MiniAudioSource.cpp
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src/audio/FileSource.cpp
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src/ui/ColorMap.cpp
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src/ui/WaterfallDisplay.cpp
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src/ui/SpectrumDisplay.cpp
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src/ui/Cursors.cpp
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src/ui/Measurements.cpp
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src/ui/Application.cpp
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)
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if(EMSCRIPTEN)
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# ── WASM Build ───────────────────────────────────────────────────────────
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# Add WavReader (replaces libsndfile on WASM)
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list(APPEND SOURCES src/audio/WavReader.cpp)
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# Fetch FFTW3 source (don't build via its own CMake — it fails with Emscripten)
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FetchContent_Declare(
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fftw3
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URL http://www.fftw.org/fftw-3.3.10.tar.gz
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URL_HASH MD5=8ccbf6a5ea78a16dbc3e1306e234cc5c
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)
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FetchContent_GetProperties(fftw3)
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if(NOT fftw3_POPULATED)
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FetchContent_Populate(fftw3)
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endif()
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# Build a minimal single-precision FFTW3 static lib
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file(GLOB FFTW_KERNEL_SRCS ${fftw3_SOURCE_DIR}/kernel/*.c)
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file(GLOB FFTW_DFT_SRCS ${fftw3_SOURCE_DIR}/dft/*.c)
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file(GLOB FFTW_RDFT_SRCS ${fftw3_SOURCE_DIR}/rdft/*.c
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${fftw3_SOURCE_DIR}/rdft/scalar/*.c
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${fftw3_SOURCE_DIR}/rdft/scalar/r2cf/*.c
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${fftw3_SOURCE_DIR}/rdft/scalar/r2cb/*.c
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${fftw3_SOURCE_DIR}/rdft/scalar/r2r/*.c)
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file(GLOB FFTW_DFT_SCALAR ${fftw3_SOURCE_DIR}/dft/scalar/*.c
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${fftw3_SOURCE_DIR}/dft/scalar/codelets/*.c)
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file(GLOB FFTW_REODFT_SRCS ${fftw3_SOURCE_DIR}/reodft/*.c)
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file(GLOB FFTW_API_SRCS ${fftw3_SOURCE_DIR}/api/*.c)
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# Generate config.h for FFTW (Emscripten/WASM compatible)
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file(WRITE ${fftw3_BINARY_DIR}/config.h
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"#ifndef FFTW_CONFIG_H
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#define FFTW_CONFIG_H
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#define FFTW_SINGLE 1
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#define SIZEOF_VOID_P 4
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#define SIZEOF_SIZE_T 4
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#define SIZEOF_PTRDIFF_T 4
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#define SIZEOF_INT 4
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#define SIZEOF_LONG 4
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#define SIZEOF_LONG_LONG 8
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#define SIZEOF_UNSIGNED_INT 4
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#define SIZEOF_UNSIGNED_LONG 4
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#define SIZEOF_UNSIGNED_LONG_LONG 8
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#define HAVE_ABORT 1
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#define HAVE_UNISTD_H 1
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#define HAVE_STRING_H 1
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#define HAVE_STDLIB_H 1
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#define HAVE_STDIO_H 1
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#define HAVE_STDDEF_H 1
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#define HAVE_STDINT_H 1
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#define HAVE_MEMORY_H 1
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#define HAVE_MATH_H 1
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#define HAVE_ERRNO_H 1
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#define HAVE_ISNAN 1
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#define HAVE_UINTPTR_T 1
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#define HAVE_SNPRINTF 1
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#define HAVE_SYS_TIME_H 1
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#define HAVE_GETTIMEOFDAY 1
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#define FFTW_CC \"emcc\"
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#define CODELET_OPTIM \"\"
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#define PACKAGE \"fftw\"
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#define PACKAGE_VERSION \"3.3.10\"
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#define VERSION \"3.3.10\"
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#endif
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")
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add_library(fftw3f_wasm STATIC
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${FFTW_KERNEL_SRCS}
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${FFTW_DFT_SRCS}
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${FFTW_DFT_SCALAR}
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${FFTW_RDFT_SRCS}
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${FFTW_REODFT_SRCS}
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${FFTW_API_SRCS}
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)
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target_include_directories(fftw3f_wasm PUBLIC
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${fftw3_SOURCE_DIR}/api
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${fftw3_SOURCE_DIR}/kernel
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${fftw3_SOURCE_DIR}/dft
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${fftw3_SOURCE_DIR}/dft/scalar
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${fftw3_SOURCE_DIR}/rdft
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${fftw3_SOURCE_DIR}/rdft/scalar
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${fftw3_SOURCE_DIR}/reodft
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${fftw3_SOURCE_DIR}
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${fftw3_BINARY_DIR}
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)
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target_compile_definitions(fftw3f_wasm PRIVATE FFTW_SINGLE=1)
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target_compile_options(fftw3f_wasm PRIVATE -w) # suppress warnings from FFTW
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# ImGui: link with Emscripten SDL2 port
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target_compile_options(imgui PUBLIC -sUSE_SDL=2)
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target_link_options(imgui PUBLIC -sUSE_SDL=2)
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add_executable(baudline ${SOURCES})
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target_include_directories(baudline PRIVATE src)
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target_link_libraries(baudline PRIVATE imgui fftw3f_wasm)
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# Emscripten linker flags
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target_link_options(baudline PRIVATE
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-sUSE_SDL=2
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-sALLOW_MEMORY_GROWTH=1
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-sINITIAL_MEMORY=67108864
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-sSTACK_SIZE=1048576
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-sASYNCIFY
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-sASYNCIFY_STACK_SIZE=65536
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-sEXPORTED_RUNTIME_METHODS=ccall
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--shell-file=${CMAKE_SOURCE_DIR}/web/shell.html
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)
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# Output baudline.html + .js + .wasm
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set_target_properties(baudline PROPERTIES
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SUFFIX ".html"
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RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/web"
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)
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set(CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "" FORCE)
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set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "" FORCE)
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else()
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# ── Native Build ─────────────────────────────────────────────────────────
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set(CMAKE_CXX_FLAGS_RELEASE "-O3 -march=native -DNDEBUG")
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set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -fsanitize=address,undefined")
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find_package(PkgConfig REQUIRED)
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find_package(OpenGL REQUIRED)
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pkg_check_modules(SDL2 REQUIRED IMPORTED_TARGET sdl2)
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pkg_check_modules(FFTW3F REQUIRED IMPORTED_TARGET fftw3f)
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pkg_check_modules(SNDFILE REQUIRED IMPORTED_TARGET sndfile)
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target_link_libraries(imgui PUBLIC PkgConfig::SDL2 OpenGL::GL)
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add_executable(baudline ${SOURCES})
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target_include_directories(baudline PRIVATE src)
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target_link_libraries(baudline PRIVATE
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imgui
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PkgConfig::SDL2
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PkgConfig::FFTW3F
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PkgConfig::SNDFILE
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OpenGL::GL
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pthread
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)
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# Link math library and dl on Unix (dl needed by miniaudio for backend loading)
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if(UNIX)
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target_link_libraries(baudline PRIVATE m dl)
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endif()
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endif()
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