[英]Cannot link sndfile library to cmake project (MacOS)
目前我正在嘗試為我的 uni 項目生成一些頻譜圖。 我正在嘗試構建一個 static 庫,所有魔法都可以在其中發揮作用,只需從 main() function 調用它。
這是我的 cmake 文件:
set(CMAKE_CXX_STANDARD 17)
project(demo)
find_package(SndFile REQUIRED)
add_subdirectory(spectogram)
add_executable(demo main.cpp)
target_link_libraries (demo LINK_PUBLIC Spectrogram)
target_link_libraries(demo PRIVATE SndFile::sndfile)
我已經通過 homebrew 安裝了 libsndfile ,但是 find_package() 拒絕找到該 lib 並拋出此錯誤:
CMake Error at CMakeLists.txt:6 (find_package):
By not providing "FindSndFile.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "SndFile", but
CMake did not find one.
Could not find a package configuration file provided by "SndFile" with any
of the following names:
SndFileConfig.cmake
sndfile-config.cmake
Add the installation prefix of "SndFile" to CMAKE_PREFIX_PATH or set
"SndFile_DIR" to a directory containing one of the above files. If
"SndFile" provides a separate development package or SDK, be sure it has
been installed.
-- Configuring incomplete, errors occurred!
我做了一些研究,發現 libsndfile 沒有任何.cmake 配置,就像其他庫一樣,我可以輕松鏈接(如 OpenCV 或 spdlog)。 我真的很感激任何幫助來解決這個恐怖。
在 Tsyvarev 的幫助下,我找到了解決方案。 我使用了 pkg-config 模塊和自定義cmake 文件,我在 web 上找到了該文件。 我將包括我的最終 cmake 以防其他人需要它:
cmake_minimum_required(VERSION 3.17)
set(CMAKE_CXX_STANDARD 17)
project(demo)
# - Try to find libsndfile
# Once done, this will define
#
# LIBSNDFILE_FOUND - system has libsndfile
# LIBSNDFILE_INCLUDE_DIRS - the libsndfile include directories
# LIBSNDFILE_LIBRARIES - link these to use libsndfile
# Use pkg-config to get hints about paths
find_package(PkgConfig QUIET)
if(PKG_CONFIG_FOUND)
pkg_check_modules(LIBSNDFILE_PKGCONF sndfile)
endif(PKG_CONFIG_FOUND)
# Include dir
find_path(LIBSNDFILE_INCLUDE_DIR
NAMES sndfile.h
PATHS ${LIBSNDFILE_PKGCONF_INCLUDE_DIRS}
)
# Library
find_library(LIBSNDFILE_LIBRARY
NAMES sndfile libsndfile-1
PATHS ${LIBSNDFILE_PKGCONF_LIBRARY_DIRS}
)
find_package(PackageHandleStandardArgs)
find_package_handle_standard_args(LibSndFile DEFAULT_MSG LIBSNDFILE_LIBRARY LIBSNDFILE_INCLUDE_DIR)
if(LIBSNDFILE_FOUND)
set(LIBSNDFILE_LIBRARIES ${LIBSNDFILE_LIBRARY})
set(LIBSNDFILE_INCLUDE_DIRS ${LIBSNDFILE_INCLUDE_DIR})
endif(LIBSNDFILE_FOUND)
mark_as_advanced(LIBSNDFILE_LIBRARY LIBSNDFILE_LIBRARIES LIBSNDFILE_INCLUDE_DIR LIBSNDFILE_INCLUDE_DIRS)
include(FindPkgConfig)
pkg_search_module(SndFile REQUIRED sndfile)
include_directories(${LIBSNDFILE_INCLUDE_DIRS})
add_subdirectory(spectogram)
add_executable(demo main.cpp)
message(STATUS "sndfile include dirs path: ${LIBSNDFILE_INCLUDE_DIRS}")
message(STATUS "sndfile libs path: ${LIBSNDFILE_LIBRARIES}")
target_link_libraries (demo LINK_PUBLIC Spectrogram)
target_link_libraries(demo PRIVATE ${LIBSNDFILE_LIBRARIES})
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