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Editorial Team
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Asked: 2026-06-06T22:02:56+00:00

I have three files: lib.c lib.h => They should be built as a .so

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I have three files:

lib.c lib.h => They should be built as a .so file
client.c => This should be built as an executable.

Inside the client.c I include the lib.h file so as to get the declarations of the functions defined under lib.c

Can someone tell me the exact CMakeLists file that I should be using so that the source area is uncluttered with Cmake’s temporary files and the binaries and the libraries (.dlls in case of windows I believe) generated in separate build and binary directories ?

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1 Answer

  1. Editorial Team

    Cmake builds on separate build directories by default (I did not test this example):

    PROJECT(myproject)
CMAKE_MINIMUM_REQUIRED(VERSION 2.8)

SET(mylibSRCS lib.c)
SET(myprogSRCS client.c)

ADD_LIBRARY(mylib ${mylibSRCS})
ADD_EXECUTABLE(myprog ${myprogSRCS})

TARGET_LINK_LIBRARIES(myprog mylib)

    You do:

    mkdir build
cd build
cmake ..
make

    Everything would be under build.

    Update: As mentioned by @chryss below, if you want the .so file to be generated, the command should be:

    ADD_LIBRARY(mylib SHARED ${mylibSRCS})
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