Commit 49bca46a authored by Dick Hollenbeck's avatar Dick Hollenbeck
Browse files

-fPIC only for non-MINGW. See http://mingw.5.n7.nabble.com/Option-fPIC-not-supported-td18480.html

parent fdc8a134

CMakeLists.txt

+10 −7
Original line number Original line Diff line number Diff line
@@ -85,12 +85,6 @@ endif() 




if(CMAKE_COMPILER_IS_GNUCXX)

if(CMAKE_COMPILER_IS_GNUCXX)





    # We build DLL/DSOs from static libraries, so create position independent code

    # for all cases, since we do not have DLL/DSO specific static libraries.

    # This flag could be localized to any object file going into a DLL/DSO in the future.

    set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC" )

    set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC" )



    set(KICAD_GCC_RELEASE_BUILD_FLAGS "-O2")

    set(KICAD_GCC_RELEASE_BUILD_FLAGS "-O2")

    set(KICAD_GCC_RELEASE_DEBUG_FLAGS "")

    set(KICAD_GCC_RELEASE_DEBUG_FLAGS "")
@@ -124,7 +118,10 @@ if(CMAKE_COMPILER_IS_GNUCXX) 
            "Setting GCC version ${GCC_VERSION} build flags \"${KICAD_GCC_RELEASE_BUILD_FLAGS}\"")

            "Setting GCC version ${GCC_VERSION} build flags \"${KICAD_GCC_RELEASE_BUILD_FLAGS}\"")

    endif()

    endif()





    if(MINGW)   # under Windows/mingw,  -fPIC option is enabled by default

    if(MINGW)

        # According to some sources, under Windows -fPIC option is not needed:

        # http://mingw.5.n7.nabble.com/Option-fPIC-not-supported-td18480.html



        # Set default flags for Release build.

        # Set default flags for Release build.

        set(CMAKE_C_FLAGS_RELEASE "-Wall ${KICAD_GCC_RELEASE_BUILD_FLAGS} -DNDEBUG")

        set(CMAKE_C_FLAGS_RELEASE "-Wall ${KICAD_GCC_RELEASE_BUILD_FLAGS} -DNDEBUG")

        set(CMAKE_CXX_FLAGS_RELEASE "-Wall ${KICAD_GCC_RELEASE_BUILD_FLAGS} -DNDEBUG")

        set(CMAKE_CXX_FLAGS_RELEASE "-Wall ${KICAD_GCC_RELEASE_BUILD_FLAGS} -DNDEBUG")
@@ -136,6 +133,12 @@ if(CMAKE_COMPILER_IS_GNUCXX) 
        set(CMAKE_MODULE_LINKER_FLAGS "-static-libgcc -static-libstdc++") # SWIG macros on Windows

        set(CMAKE_MODULE_LINKER_FLAGS "-static-libgcc -static-libstdc++") # SWIG macros on Windows





    else()

    else()

        # We build DLL/DSOs from static libraries, so create position independent code

        # for all cases, since we do not have DLL/DSO specific static libraries.

        # This flag could be localized to any object file going into a DLL/DSO in the future.

        set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC" )

        set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC" )



        # Thou shalt not link vaporware and tell us it's a valid DSO:

        # Thou shalt not link vaporware and tell us it's a valid DSO:

        set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined")

        set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined")

        set(CMAKE_MODULE_LINKER_FLAGS "-Wl,--no-undefined") # needed by SWIG macros on linux

        set(CMAKE_MODULE_LINKER_FLAGS "-Wl,--no-undefined") # needed by SWIG macros on linux