C++ 将库链接到其他应用程序时,cmake找不到库

C++ 将库链接到其他应用程序时,cmake找不到库,c++,cmake,googletest,C++,Cmake,Googletest,我试图生成一个现有应用程序的共享库,以便将其链接到gtest应用程序。 我的主要应用程序cmake文件如下所示: project(audiodLib CXX C) cmake_minimum_required(VERSION 2.8.7) ## Lets store all the source code in ${SOURCES} file(GLOB SOURCES src/*.cpp src/controls/*.cpp src/controls/pulse/*.cpp src/modul

我试图生成一个现有应用程序的共享库,以便将其链接到gtest应用程序。 我的主要应用程序cmake文件如下所示:

project(audiodLib CXX C)
cmake_minimum_required(VERSION 2.8.7)

## Lets store all the source code in ${SOURCES}
file(GLOB SOURCES src/*.cpp src/controls/*.cpp src/controls/pulse/*.cpp src/modules/*.cpp src/product/*.cpp src/umi/*.cpp src/umi/modules/*.cpp src/umi/soundSettings/*.cpp src/utils/*.cpp utils/*.cpp pmtrace/*.c)

##Lets generate the library
##Please note, here instead of ${SOURCES} if i try to directly add source code, I always get
##an error saying that cmake could not find any *.cpp files
add_library(audiodLib SHARED ${SOURCES})

##Lets link it with libraries
target_link_libraries(audiodLib     ${GLIB2_LDFLAGS}
                ${LUNASERVICE_LDFLAGS}
                ${PBNJSON_C_LDFLAGS}
                ${LUNAPREFS_LDFLAGS}
                ${POWERD_LDFLAGS}
                ${PMLOGLIB_LDFLAGS}
                ${NYXLIB_LDFLAGS}
                ${LIBPBNJSON_LDFLAGS}
                ${PULSE_LDFLAGS}
                ${LTTNG_UST_LDFLAGS}
                ${URCU_BP_LDFLAGS}
                ${PULSE_SIMPLE_LDFLAGS}
                ${WEBOSI18N_LDFLAGS}
                pthread
                rt
                dl
                -lsnapshot-boot
                )

##Lets make this library availabel for other modules
install(TARGETS audiodLib LIBRARY DESTINATION ${WEBOS_INSTALL_LIBDIR})
##${WEBOS_INSTALL_LIBDIR} = /usr/lib/
include_directories(${WEBOS_INSTALL_LIBDIR})
target_link_libraries(${GTEST_EXECUTABLE}
    ${WEBOS_GTEST_LIBRARIES}
    ${GLIB2_LDFLAGS}
    ${LUNASERVICE_LDFLAGS}
    ${PBNJSON_C_LDFLAGS}
    ${LUNAPREFS_LDFLAGS}
    ${POWERD_LDFLAGS}
    ${PMLOGLIB_LDFLAGS}
    ${NYXLIB_LDFLAGS}
    ${LIBPBNJSON_LDFLAGS}
    ${PULSE_LDFLAGS}
    ${LTTNG_UST_LDFLAGS}
    ${URCU_BP_LDFLAGS}
    ${PULSE_SIMPLE_LDFLAGS}
    ${WEBOSI18N_LDFLAGS}
    pthread
    rt
    dl
    -lsnapshot-boot
    -laudiodLib
    )

编译后,libaudiodLib.so在/usr/lib目录中生成。 现在,如果我尝试在gtest代码中访问audiodLib,如下所示:

project(audiodLib CXX C)
cmake_minimum_required(VERSION 2.8.7)

## Lets store all the source code in ${SOURCES}
file(GLOB SOURCES src/*.cpp src/controls/*.cpp src/controls/pulse/*.cpp src/modules/*.cpp src/product/*.cpp src/umi/*.cpp src/umi/modules/*.cpp src/umi/soundSettings/*.cpp src/utils/*.cpp utils/*.cpp pmtrace/*.c)

##Lets generate the library
##Please note, here instead of ${SOURCES} if i try to directly add source code, I always get
##an error saying that cmake could not find any *.cpp files
add_library(audiodLib SHARED ${SOURCES})

##Lets link it with libraries
target_link_libraries(audiodLib     ${GLIB2_LDFLAGS}
                ${LUNASERVICE_LDFLAGS}
                ${PBNJSON_C_LDFLAGS}
                ${LUNAPREFS_LDFLAGS}
                ${POWERD_LDFLAGS}
                ${PMLOGLIB_LDFLAGS}
                ${NYXLIB_LDFLAGS}
                ${LIBPBNJSON_LDFLAGS}
                ${PULSE_LDFLAGS}
                ${LTTNG_UST_LDFLAGS}
                ${URCU_BP_LDFLAGS}
                ${PULSE_SIMPLE_LDFLAGS}
                ${WEBOSI18N_LDFLAGS}
                pthread
                rt
                dl
                -lsnapshot-boot
                )

##Lets make this library availabel for other modules
install(TARGETS audiodLib LIBRARY DESTINATION ${WEBOS_INSTALL_LIBDIR})
##${WEBOS_INSTALL_LIBDIR} = /usr/lib/
include_directories(${WEBOS_INSTALL_LIBDIR})
target_link_libraries(${GTEST_EXECUTABLE}
    ${WEBOS_GTEST_LIBRARIES}
    ${GLIB2_LDFLAGS}
    ${LUNASERVICE_LDFLAGS}
    ${PBNJSON_C_LDFLAGS}
    ${LUNAPREFS_LDFLAGS}
    ${POWERD_LDFLAGS}
    ${PMLOGLIB_LDFLAGS}
    ${NYXLIB_LDFLAGS}
    ${LIBPBNJSON_LDFLAGS}
    ${PULSE_LDFLAGS}
    ${LTTNG_UST_LDFLAGS}
    ${URCU_BP_LDFLAGS}
    ${PULSE_SIMPLE_LDFLAGS}
    ${WEBOSI18N_LDFLAGS}
    pthread
    rt
    dl
    -lsnapshot-boot
    -laudiodLib
    )

我得到以下错误:

cannot find -laudiodLib
文件夹结构如下所示:

audiod/
CMakeList
    |src
|tests
    CMakelist
target_link_libraries(audiod
                audiodLib
                ${GLIB2_LDFLAGS}
                ${LUNASERVICE_LDFLAGS}
                ${PBNJSON_C_LDFLAGS}
                ${LUNAPREFS_LDFLAGS}
                ${POWERD_LDFLAGS}
                ${PMLOGLIB_LDFLAGS}
                ${NYXLIB_LDFLAGS}
                ${LIBPBNJSON_LDFLAGS}
                ${PULSE_LDFLAGS}
                ${LTTNG_UST_LDFLAGS}
                ${URCU_BP_LDFLAGS}
                ${PULSE_SIMPLE_LDFLAGS}
                ${WEBOSI18N_LDFLAGS}
                pthread
                rt
                dl
                -lsnapshot-boot
                )

如果有人能指出我做错了什么,那将大有帮助。在花了2-3天的时间之后,我有点不知所措。

非常感谢你给我建议和指点,我终于解决了这个问题。 关于library not found(未找到库)问题,我通过如下方式重新排列目标链接库来解决它:

audiod/
CMakeList
    |src
|tests
    CMakelist
target_link_libraries(audiod
                audiodLib
                ${GLIB2_LDFLAGS}
                ${LUNASERVICE_LDFLAGS}
                ${PBNJSON_C_LDFLAGS}
                ${LUNAPREFS_LDFLAGS}
                ${POWERD_LDFLAGS}
                ${PMLOGLIB_LDFLAGS}
                ${NYXLIB_LDFLAGS}
                ${LIBPBNJSON_LDFLAGS}
                ${PULSE_LDFLAGS}
                ${LTTNG_UST_LDFLAGS}
                ${URCU_BP_LDFLAGS}
                ${PULSE_SIMPLE_LDFLAGS}
                ${WEBOSI18N_LDFLAGS}
                pthread
                rt
                dl
                -lsnapshot-boot
                )
我是如何在do_package_qa期间解决坏的RPATH错误的,我已经在这里回答了:

audiodLib和gtest_audiod是不同的CMake调用。另外,在安装audiodLib之后,我希望在gtest/CMakelist中使用相同的方法。它可以很容易地运行
ldconfig
来更新您的
ld.so
缓存。感谢您的时间和建议@Botje,不幸的是,它似乎不起作用。您能否使用
使VERBOSE=1
重新运行并粘贴生成的链接器调用?如果我提供完整路径,然后我的应用程序能够找到库,并且应用程序按照预期工作。然而,我理解这种方法是错误的,所以我正在寻找一些通用的方法。