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社区首页 >问答首页 >无法将库链接到目标？

问无法将库链接到目标？
EN

Stack Overflow用户
提问于 2016-07-18 20:51:05
回答 2查看 1.6K关注 0票数 1

我有CMakeLists.txt，试图用MinGW-W64在Windows上构建我的软件：

代码语言：javascript
复制
#
# Initial CMake and project setup
#

# Required CMake version (ExternalProject)
CMAKE_MINIMUM_REQUIRED(VERSION 2.8 FATAL_ERROR)
INCLUDE(ExternalProject)
SET(PROJECT_NAME Khronos)
PROJECT(${PROJECT_NAME})

# Set software version
SET(APPLICATION_VERSION_MAJOR "0")
SET(APPLICATION_VERSION_MINOR "4")
SET(APPLICATION_VERSION_PATCH "0")
SET(APPLICATION_VERSION "${APPLICATION_VERSION_MAJOR}.${APPLICATION_VERSION_MINOR}.${APPLICATION_VERSION_PATCH}")

SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
SET_DIRECTORY_PROPERTIES(PROPERTIES EP_PREFIX ${CMAKE_BINARY_DIR}/library-build)

#
# Setup compiler flags
#

if (NOT CMAKE_BUILD_TYPE)
    message(STATUS "No build type selected, default to Release")
    set(CMAKE_BUILD_TYPE Release FORCE)
endif()

set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -std=gnu11 -O0 -fprofile-arcs -ftest-coverage")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -std=gnu11 -O3")

if (GCC_VERSION VERSION_GREATER "4.8")
elsif (GCC_VERSION VERSION_GREATER "4.1.2")
    SET (GCC_COMMON_WARNING_FLAGS "-pedantic -Wall -Wextra -Wconversion -Wfloat-equal -Wformat=2 -Winit-self -Winline -Winvalid-pch -Wlogical-op -Wmissing-declarations -Wmissing-include-dirs -Wold-style-cast -Woverloaded-virtual -Wredundant-decls -Wshadow -Wstack-protector -Wstrict-null-sentinel -Wswitch-default -Wswitch-enum")
    SET (GCC_COMMON_WARNING_FLAGS "${GCC_COMMON_WARNING_FLAGS} -Wno-unused-parameter")
    SET (GCC_CXX_WARNING_FLAGS "-Wctor-dtor-privacy")
else ()
    SET(GCC_COMMON_WARNING_FLAGS "-pedantic -Wall -Wextra -Wconversion -Wfloat-equal -Wformat=2 -Winit-self -Winline -Winvalid-pch -Wmissing-include-dirs -Wold-style-cast -Woverloaded-virtual -Wredundant-decls -Wshadow -Wstack-protector -Wstrict-null-sentinel -Wswitch-default -Wswitch-enum")
    SET(GCC_COMMON_WARNING_FLAGS "${GCC_COMMON_WARNING_FLAGS} -Wno-unused-parameter")
    SET(GCC_CXX_WARNING_FLAGS "-Wctor-dtor-privacy")
endif ()

#
# Find Doxygen for documentation
#

# add a target to generate API documentation with Doxygen
FIND_PACKAGE(Doxygen)
if (DOXYGEN_FOUND)
    ADD_CUSTOM_TARGET(DOC
        ${DOXYGEN_EXECUTABLE} ${CMAKE_SOURCE_DIR}/Doxyfile
        WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/src
        COMMENT "Generating API documentation with Doxygen" VERBATIM
        )
endif ()

#
# Find/install dependencies
#

IF(WIN32)
    INCLUDE(${CMAKE_MODULE_PATH}/Win32-ExternalProjects.txt)
ELSE(UNIX)
    INCLUDE(${CMAKE_MODULE_PATH}/Unix-ExternalProjects.txt)
ENDIF()

#
# Final project settings
#

INCLUDE_DIRECTORIES(include)
ADD_SUBDIRECTORY(src)

ADD_EXECUTABLE(${PROJECT_NAME}
        $<TARGET_OBJECTS:audio>
        $<TARGET_OBJECTS:util>
        $<TARGET_OBJECTS:main>
        )

TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${LIBS})

if (DEPENDENCIES)
    MESSAGE (STATUS "Any missing dependencies will be downloaded upon running \"make\"")
    ADD_DEPENDENCIES(${PROJECT_NAME} ${DEPENDENCIES})
endif ()

我能够编译所有的东西，但是我很难将可执行文件链接到库中：

代码语言：javascript
复制
"C:\Program Files (x86)\CMake\bin\cmake.exe" -HC:\Users\syb0rg\Downloads\Khronos -BC:\Users\syb0rg\Downloads\Khronos\build --check-build-system CMakeFiles\Makefile.cmake 0
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_progress_start C:\Users\syb0rg\Downloads\Khronos\build\CMakeFiles C:\Users\syb0rg\Downloads\Khronos\build\CMakeFiles\progress.marks
make -f CMakeFiles\Makefile2 all
make[1]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
make -f CMakeFiles\sphinxbase.dir\build.make CMakeFiles/sphinxbase.dir/depend
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_depends "MinGW Makefiles" C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build\CMakeFiles\sphinxbase.dir\DependInfo.cmake --color=
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make -f CMakeFiles\sphinxbase.dir\build.make CMakeFiles/sphinxbase.dir/build
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
make[2]: Nothing to be done for `CMakeFiles/sphinxbase.dir/build'.
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
[ 17%] Built target sphinxbase
make -f CMakeFiles\LibSndFile.dir\build.make CMakeFiles/LibSndFile.dir/depend
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_depends "MinGW Makefiles" C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build\CMakeFiles\LibSndFile.dir\DependInfo.cmake --color=
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make -f CMakeFiles\LibSndFile.dir\build.make CMakeFiles/LibSndFile.dir/build
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
make[2]: Nothing to be done for `CMakeFiles/LibSndFile.dir/build'.
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
[ 35%] Built target LibSndFile
make -f CMakeFiles\pocketsphinx.dir\build.make CMakeFiles/pocketsphinx.dir/depend
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_depends "MinGW Makefiles" C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build\CMakeFiles\pocketsphinx.dir\DependInfo.cmake --color=
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make -f CMakeFiles\pocketsphinx.dir\build.make CMakeFiles/pocketsphinx.dir/build
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
make[2]: Nothing to be done for `CMakeFiles/pocketsphinx.dir/build'.
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
[ 53%] Built target pocketsphinx
make -f CMakeFiles\PortAudio.dir\build.make CMakeFiles/PortAudio.dir/depend
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_depends "MinGW Makefiles" C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build\CMakeFiles\PortAudio.dir\DependInfo.cmake --color=
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make -f CMakeFiles\PortAudio.dir\build.make CMakeFiles/PortAudio.dir/build
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
make[2]: Nothing to be done for `CMakeFiles/PortAudio.dir/build'.
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
[ 71%] Built target PortAudio
make -f src\audio\CMakeFiles\audio.dir\build.make src/audio/CMakeFiles/audio.dir/depend
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_depends "MinGW Makefiles" C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos\src\audio C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build\src\audio C:\Users\syb0rg\Downloads\Khronos\build\src\audio\CMakeFiles\audio.dir\DependInfo.cmake --color=
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make -f src\audio\CMakeFiles\audio.dir\build.make src/audio/CMakeFiles/audio.dir/build
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
make[2]: Nothing to be done for `src/audio/CMakeFiles/audio.dir/build'.
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
[ 73%] Built target audio
make -f src\util\CMakeFiles\util.dir\build.make src/util/CMakeFiles/util.dir/depend
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_depends "MinGW Makefiles" C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos\src\util C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build\src\util C:\Users\syb0rg\Downloads\Khronos\build\src\util\CMakeFiles\util.dir\DependInfo.cmake --color=
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make -f src\util\CMakeFiles\util.dir\build.make src/util/CMakeFiles/util.dir/build
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
make[2]: Nothing to be done for `src/util/CMakeFiles/util.dir/build'.
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
[ 75%] Built target util
make -f src\CMakeFiles\main.dir\build.make src/CMakeFiles/main.dir/depend
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_depends "MinGW Makefiles" C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos\src C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build\src C:\Users\syb0rg\Downloads\Khronos\build\src\CMakeFiles\main.dir\DependInfo.cmake --color=
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make -f src\CMakeFiles\main.dir\build.make src/CMakeFiles/main.dir/build
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
make[2]: Nothing to be done for `src/CMakeFiles/main.dir/build'.
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
[ 80%] Built target main
make -f CMakeFiles\tritium.dir\build.make CMakeFiles/tritium.dir/depend
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_depends "MinGW Makefiles" C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build\CMakeFiles\tritium.dir\DependInfo.cmake --color=
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make -f CMakeFiles\tritium.dir\build.make CMakeFiles/tritium.dir/build
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
make[2]: Nothing to be done for `CMakeFiles/tritium.dir/build'.
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
[ 97%] Built target tritium
make -f CMakeFiles\Khronos.dir\build.make CMakeFiles/Khronos.dir/depend
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_depends "MinGW Makefiles" C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build C:\Users\syb0rg\Downloads\Khronos\build\CMakeFiles\Khronos.dir\DependInfo.cmake --color=
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make -f CMakeFiles\Khronos.dir\build.make CMakeFiles/Khronos.dir/build
make[2]: Entering directory `C:/Users/syb0rg/Downloads/Khronos/build'
[100%] Linking C executable Khronos.exe
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E cmake_link_script CMakeFiles\Khronos.dir\link.txt --verbose=1
"C:\Program Files (x86)\CMake\bin\cmake.exe" -E remove -f CMakeFiles\Khronos.dir/objects.a
C:\PROGRA~1\MINGW-~1\X86_64~1.0-P\mingw64\bin\ar.exe cr CMakeFiles\Khronos.dir/objects.a @CMakeFiles\Khronos.dir\objects1.rsp
C:\PROGRA~1\MINGW-~1\X86_64~1.0-P\mingw64\bin\gcc.exe     -Wl,--whole-archive CMakeFiles\Khronos.dir/objects.a -Wl,--no-whole-archive  -o Khronos.exe -Wl,--out-implib,libKhronos.dll.a -Wl,--major-image-version,0,--minor-image-version,0 @CMakeFiles\Khronos.dir\linklibs.rsp
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0xd2): undefined reference to `ps_start_utt'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x109): undefined reference to `ps_process_raw'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x115): undefined reference to `ps_get_in_speech'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x161): undefined reference to `ps_end_utt'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x172): undefined reference to `ps_get_hyp'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x185): undefined reference to `ps_start_utt'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x1ce): undefined reference to `ps_end_utt'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x1e8): undefined reference to `ps_get_hyp'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x24b): undefined reference to `getPathFromDescriptor'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x61c): undefined reference to `err_set_logfp'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x626): undefined reference to `err_set_debug_level'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x678): undefined reference to `ps_args'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x6d7): undefined reference to `cmd_ln_init'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x71f): undefined reference to `ps_init'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x7fb): undefined reference to `ps_free'
CMakeFiles\Khronos.dir/objects.a(main.c.obj):main.c:(.text+0x807): undefined reference to `cmd_ln_free_r'
collect2.exe: error: ld returned 1 exit status
make[2]: *** [Khronos.exe] Error 1
make[2]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make[1]: *** [CMakeFiles/Khronos.dir/all] Error 2
make[1]: Leaving directory `C:/Users/syb0rg/Downloads/Khronos/build'
make: *** [all] Error 2

下面是来自${LIBS}的message()输出(以一种更具人类可读性的形式)：

代码语言：javascript
复制
C:/Users/syb0rg/Downloads/Khronos/lib/sphinxbase/bin/Debug/Win32/sphinxbase.dll
C:/Users/syb0rg/Downloads/Khronos/lib/pocketsphinx/bin/Debug/Win32/pocketsphinx.dll
C:/Users/syb0rg/Downloads/Khronos/lib/PortAudio/libportaudio_x86.dll
C:/Users/syb0rg/Downloads/Khronos/lib/LibSndFile/libsndfile.dll
C:/Users/syb0rg/Downloads/Khronos/lib/tritium/libtritium.a

作为参考，在这里设置了${LIBS}：

代码语言：javascript
复制
FIND_PACKAGE(sphinxbase)
if (${SPHINXBASE_FOUND})
    INCLUDE_DIRECTORIES(${SPHINXBASE_INCLUDE_DIR}/sphinxbase/)
else ()
    ExternalProject_Add(
        sphinxbase
        GIT_REPOSITORY      "https://github.com/cmusphinx/sphinxbase.git"
        SOURCE_DIR          ${CMAKE_CURRENT_SOURCE_DIR}/lib/sphinxbase
        CONFIGURE_COMMAND   ""
        BUILD_COMMAND       msbuild sphinxbase.sln /p:PlatformToolset=v140
        UPDATE_COMMAND      ""
        INSTALL_COMMAND     ""
        BUILD_IN_SOURCE     ON
        LOG_DOWNLOAD        ON
        LOG_UPDATE          ON
        LOG_CONFIGURE       ON
        LOG_BUILD           ON
        LOG_TEST            ON
        LOG_INSTALL         ON
    )
    ExternalProject_Get_Property(sphinxbase SOURCE_DIR)
    ExternalProject_Get_Property(sphinxbase BINARY_DIR)
    SET(SPHINXBASE_SOURCE_DIR ${SOURCE_DIR})
    SET(SPHINXBASE_BINARY_DIR ${BINARY_DIR})
    SET(SPHINXBASE_LIBRARIES ${SPHINXBASE_BINARY_DIR}/bin/Debug/Win32/sphinxbase.dll)
    SET(DEPENDENCIES ${DEPENDENCIES} sphinxbase)
    INCLUDE_DIRECTORIES(${SPHINXBASE_SOURCE_DIR}/include/win32)
    INCLUDE_DIRECTORIES(${SPHINXBASE_SOURCE_DIR}/include)
endif ()
SET(LIBS ${LIBS} ${SPHINXBASE_LIBRARIES})

FIND_PACKAGE(pocketsphinx)
if (${POCKETSPHINX_FOUND})
    INCLUDE_DIRECTORIES(${POCKETSPHINX_INCLUDE_DIR}/pocketsphinx/)
    add_definitions( -DMODELDIR="/usr/local/share/pocketsphinx/model")  # more portable?
else ()
    ExternalProject_Add(
        pocketsphinx
        DEPENDS             sphinxbase
        GIT_REPOSITORY      "https://github.com/cmusphinx/pocketsphinx.git"
        SOURCE_DIR          ${CMAKE_CURRENT_SOURCE_DIR}/lib/pocketsphinx
        CONFIGURE_COMMAND   ""
        BUILD_COMMAND       msbuild pocketsphinx.sln /p:PlatformToolset=v140
        UPDATE_COMMAND      ""
        INSTALL_COMMAND     ""
        BUILD_IN_SOURCE     ON
        LOG_DOWNLOAD        ON
        LOG_UPDATE          ON
        LOG_CONFIGURE       ON
        LOG_BUILD           ON
        LOG_TEST            ON
        LOG_INSTALL         ON
        )
    ExternalProject_Get_Property(pocketsphinx SOURCE_DIR)
    ExternalProject_Get_Property(pocketsphinx BINARY_DIR)
    SET(POCKETSPHINX_SOURCE_DIR ${SOURCE_DIR})
    SET(POCKETSPHINX_BINARY_DIR ${BINARY_DIR})
    SET(POCKETSPHINX_LIBRARIES ${POCKETSPHINX_BINARY_DIR}/bin/Debug/Win32/pocketsphinx.dll)
    SET(DEPENDENCIES ${DEPENDENCIES} pocketsphinx)
    INCLUDE_DIRECTORIES(${POCKETSPHINX_SOURCE_DIR}/include/)
    add_definitions(-DMODELDIR="${POCKETSPHINX_BINARY_DIR}/model")
endif ()
SET(LIBS ${LIBS} ${POCKETSPHINX_LIBRARIES})

FIND_PACKAGE(PortAudio)
if (${PORTAUDIO_FOUND})
    INCLUDE_DIRECTORIES(${PORTAUDIO_INCLUDE_DIRS})
else ()
    ExternalProject_Add(
        PortAudio
        GIT_REPOSITORY      "https://github.com/syb0rg/PortAudio2.git"
        SOURCE_DIR          ${CMAKE_CURRENT_SOURCE_DIR}/lib/PortAudio
        UPDATE_COMMAND      ""
        INSTALL_COMMAND     ""
        BUILD_IN_SOURCE     ON
        LOG_DOWNLOAD        ON
        LOG_UPDATE          ON
        LOG_CONFIGURE       ON
        LOG_BUILD           ON
        LOG_TEST            ON
        LOG_INSTALL         ON
    )
    ExternalProject_Get_Property(PortAudio SOURCE_DIR)
    ExternalProject_Get_Property(PortAudio BINARY_DIR)
    SET(PORTAUDIO_SOURCE_DIR ${SOURCE_DIR})
    SET(PORTAUDIO_BINARY_DIR ${BINARY_DIR})
    SET(PORTAUDIO_LIBRARIES ${PORTAUDIO_BINARY_DIR}/libportaudio_x86.dll)
    SET(DEPENDENCIES ${DEPENDENCIES} PortAudio)
    INCLUDE_DIRECTORIES(${PORTAUDIO_SOURCE_DIR}/include)
endif ()
SET(LIBS ${LIBS} ${PORTAUDIO_LIBRARIES})

FIND_PACKAGE(LibSndFile)
if(${LIBSNDFILE_FOUND})
    INCLUDE_DIRECTORIES(${LIBSNDFILE_INCLUDE_DIRS})
else ()
    ExternalProject_Add(
        LibSndFile
        GIT_REPOSITORY      "https://github.com/syb0rg/libsndfile.git"
        SOURCE_DIR          ${CMAKE_CURRENT_SOURCE_DIR}/lib/LibSndFile
        UPDATE_COMMAND      ""
        INSTALL_COMMAND     ""
        BUILD_IN_SOURCE     ON
        LOG_DOWNLOAD        ON
        LOG_UPDATE          ON
        LOG_CONFIGURE       ON
        LOG_BUILD           ON
        LOG_TEST            ON
        LOG_INSTALL         ON
    )
    ExternalProject_Get_Property(LibSndFile SOURCE_DIR)
    ExternalProject_Get_Property(LibSndFile BINARY_DIR)
    SET(LIBSNDFILE_SOURCE_DIR ${SOURCE_DIR}/src)
    SET(LIBSNDFILE_BINARY_DIR ${BINARY_DIR})
    SET(LIBSNDFILE_LIBRARIES ${LIBSNDFILE_BINARY_DIR}/libsndfile.dll)
    SET(DEPENDENCIES ${DEPENDENCIES} LibSndFile)
    INCLUDE_DIRECTORIES(${LIBSNDFILE_SOURCE_DIR})
endif ()
SET(LIBS ${LIBS} ${LIBSNDFILE_LIBRARIES})

FIND_PACKAGE(tritium)
if (${TRITIUM_FOUND})
    INCLUDE_DIRECTORIES(${TRITIUM_INCLUDE_DIR}/)
else ()
    ExternalProject_Add(
        tritium
        GIT_REPOSITORY  "https://github.com/syb0rg/tritium.git"
        SOURCE_DIR      ${CMAKE_CURRENT_SOURCE_DIR}/lib/tritium
        UPDATE_COMMAND  ""
        INSTALL_COMMAND ""
        BUILD_IN_SOURCE ON
        LOG_DOWNLOAD    ON
        LOG_UPDATE      ON
        LOG_CONFIGURE   ON
        LOG_BUILD       ON
        LOG_TEST        ON
        LOG_INSTALL     ON
    )
    ExternalProject_Get_Property(tritium SOURCE_DIR)
    ExternalProject_Get_Property(tritium BINARY_DIR)
    SET(TRITIUM_SOURCE_DIR ${SOURCE_DIR})
    SET(TRITIUM_BINARY_DIR ${BINARY_DIR})
    SET(TRITIUM_LIBRARIES ${TRITIUM_BINARY_DIR}/libtritium.a)
    SET(DEPENDENCIES ${DEPENDENCIES} tritium)
    INCLUDE_DIRECTORIES(${TRITIUM_SOURCE_DIR}/include)
endif ()
SET(LIBS ${LIBS} ${TRITIUM_LIBRARIES})

所有这些库都存在于指定的位置。有什么建议吗？

c
windows
build
linker
cmake
EN

回答 2

Stack Overflow用户

回答已采纳

发布于 2016-07-21 13:39:38

undefined reference to清楚地指出，您做的是而不是，它提供了所需的对象文件/库(导出！)函数到链接器。有两个主要原因：

  1. 您没有将这个库传递给链接器命令行，也没有将正确的搜索路径(-L...)传递给它--检查生成的命令行的两倍，make VERBOSE=1将显示更详细的输出。
  2. 路径是正确的，但是文件/函数本身是无效的--您可以为不同的CPU体系结构编译库(例如，在针对x86时尝试使用x86_64库)。还可以检查标记为可导出的函数(在大多数情况下，这是使用MSVC编译器时的问题，但您也可以使用GCC/MinGW隐藏函数)。并且不要忘记检查文件是不是零长度:)
票数 5
EN

Stack Overflow用户

发布于 2016-07-23 14:03:41

你能试试这个吗？

代码语言：javascript
复制
set(CMAKE_BUILD_TYPE CACHE Release FORCE)

参考文献：INTDIR

搜索:初始缓存

票数 -2
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/38445776

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