Hello,
I am linking my code to a library. My code is in C++ but the library is
in C.
The problem is that whenever the extension of library implementations
are "c" (not cpp), they are not linked and I get "undefined reference
to" error.
Here is an example:
Suppose I have
./src/main.cpp // as main file
./include/lib.h
./include/lib.c // as a library
And the cmake file is
cmake_minimum_required(VERSION 2.8)
project(myproj)
set(INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include)
include_directories(${INCLUDE_DIR})
add_library(MY_LIB ${INCLUDE_DIR}/Lib.c)
set(EXECUTABLE_NAME "myproj")
set(SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src)
add_executable(myproj ${SOURCE_DIR}/main.cpp)
target_link_libraries(myproj MY_LIB)
This returns undefined reference to error, but if I rename lib.c to
lib.cpp, everything works fine.
How can I resolve this? I do not want to rename the file to cpp, because
there are a lot of library files and I prefer to keep the library
implementations untouched.
Thanks.
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