fix unit test with old versions of boost

gcontini

2020-02-10 205c71575c272a685011c641a33d26cf66cf60a0

 src/library/os/CMakeLists.txt

@@ -1,31 +1,22 @@
IF(UNIX)
    ADD_LIBRARY(os STATIC
        openssl/signature_verifier.cpp
        os.c
        os-linux.c
        network_id.c)
        
   target_link_libraries(
        os
        base
        OpenSSL::Crypto 
        ${EXTERNAL_LIBS}
        ${CMAKE_DL_LIBS}
        ##ZLIB::ZLIB
   )
	
ELSE(UNIX)
    ADD_LIBRARY(os STATIC
        windows/signature_verifier.cpp
        os.c
        os-win.c)
IF(UNIX OR OPENSSL_FOUND)
   IF(UNIX)
      add_library(os OBJECT
          openssl/signature_verifier.cpp
          linux/execution_environment.cpp
          cpu_info_common.cpp
          linux/cpu_info.cpp
          linux/network.cpp
          linux/os-linux.c) 
   ELSE(UNIX)
         add_library(os OBJECT 
         cpu_info_common.cpp openssl/signature_verifier.cpp windows/os-win.c)
   ENDIF(UNIX)
ELSE(UNIX OR OPENSSL_FOUND)
    target_sources(os OBJECT
        cpu_info_common.cpp windows/signature_verifier.cpp windows/os-win.c)
ENDIF(UNIX OR OPENSSL_FOUND)

   target_link_libraries(
        os
        base
   )
ENDIF(UNIX)



install(TARGETS os ARCHIVE DESTINATION lib/${PROJECT_NAME}/${LCC_PROJECT_NAME})
if(CODE_COVERAGE AND UNIX)
     MESSAGE(STATUS "Enabling code coverage")
     target_compile_options(os PUBLIC -O0 -g --coverage)
endif(CODE_COVERAGE AND UNIX)