Question

我正在尝试使用以下Makefile编译示例代码pjsua2_demo.cpp（重命名为myapp.cpp），由pjsip项目提供，但是我得到了以下错误：操作系统是Centos 7 ..

[root@localhost pjsip]# make
cc -o myapp myapp.cpp `pkg-config --cflags --libs libpjproject`
cc: error: @PJ_INSTALL_CXXFLAGS@: No existe el fichero o el directorio
cc: error: @PJ_LDXXLIBS@: No existe el fichero o el directorio
make: *** [myapp] Error 1


   [root@localhost pjsip]# cat Makefile
    # If your application is in a file named myapp.cpp or myapp.c
    # this is the line you will need to build the binary.
    all: myapp

    myapp: myapp.cpp
                $(CC) -o $@ $< `pkg-config --cflags --libs libpjproject`

    clean:
                          rm -f myapp.o myapp
    [root@localhost pjsip]#

我无法弄清楚设置这些变量的方法，我甚至尝试使用pkg_config，正如一些文章指出的那样，但它没有用。

[root@localhost pjsip]# pkg-config --cflags libpjproject
@PJ_INSTALL_CXXFLAGS@ -I@INCLUDEDIR@  
[root@localhost pjsip]# 

[root@localhost pjsip]# pkg-config --libs  libpjproject
@PJ_LDXXLIBS@ -L@LIBDIR@  
[root@localhost pjsip]# 

[root@localhost pjsip]# pkg-config --version
0.27.1

[root@localhost pjsip]# pkg-config --modversion libpjproject
@PJ_VERSION@
[root@localhost pjsip]# 


[root@localhost pjsip]# env|grep PKG
PKG_CONFIG_PATH=/home/sd/Downloads/pjproject-2.7.1
[root@localhost pjsip]#

你知道吗？另一方面，我按照下面的说明安装了pjsip，我在'make dep'命令中得到了一些错误（我在下面复制了它们）。这可能是个问题吗？我试过禁用libyuv，但它没有帮助。提前致谢

[root@localhost pjsip]# cd pjproject-2.7.1
[root@localhost pjproject-2.7.1]# ./configure --enable-shared
[root@localhost pjproject-2.7.1]# make dep
[root@localhost pjproject-2.7.1]# make
[root@localhost pjproject-2.7.1]# make install  

make[2]: Leaving directory `/home/sd/Downloads/pjproject-2.7.1/pjsip-apps/build'
make -f Samples.mak depend
make[2]: Entering directory `/home/sd/Downloads/pjproject-2.7.1/pjsip-apps/build'
make[2]: Nothing to be done for `depend'.
make[2]: Leaving directory `/home/sd/Downloads/pjproject-2.7.1/pjsip-apps/build'
make[1]: se sale del directorio `/home/sd/Downloads/pjproject-2.7.1/pjsip-apps/build'
[root@localhost pjproject-2.7.1]#

gcc无法编译pjsip 2.7.1。示例c ++代码

0 个答案: