[GitHub] [incubator-brpc] TousakaRin commented on issue #1498: Cannot build example programs when following the build instruction on Arch Linux

[GitBox <gi...@apache.org>]

TousakaRin commented on issue #1498:
URL: https://github.com/apache/incubator-brpc/issues/1498#issuecomment-912336616


   I reproduced this problem through the image you provided，
   
   The root cause of the problem is like this：
   1.  you enabled --with-glog when you run config_brpc.sh, so glog will be linked, and the script only found a dynamic library(libglog.so), so glog will be dynamic linked. Similarly, gflag will be linked in a static way
   2. gflag is referenced by glog,  and libglog.so linked gflags in dynamic way, it is reasonable.
   3. in some platform, gflags.a is packed without option '-fPIC', and it is the default behavior when compiling gflag, so when you link ./example/echo_c++/echo_server with **libgflags.a and libglog.so**,  error occured.
   
   in some other platform , even if they are packaging static libraries, they will add options '-fPIC', for example Ubuntu. to solve this promble, compile gflags with source code, and set CPPFLAGS=-fPIC, then everything works fine.


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