nextcloud-desktop/cmake/modules/Warnings.cmake

# (c) 2014 Copyright ownCloud GmbH
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING* file.

if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")

    # Use this only for Clang
    if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -pedantic -Wno-long-long -Wno-gnu-zero-variadic-macro-arguments")
    endif()

    # Fix sqlite compilation on macOS
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-incompatible-pointer-types-discards-qualifiers")

    if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
        # Fix sqlite compilation on MinGW
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-discarded-qualifiers")

        execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion
                        OUTPUT_VARIABLE GCC_VERSION)
        if(GCC_VERSION VERSION_GREATER 4.8 OR GCC_VERSION VERSION_EQUAL 4.8)
            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wpedantic")
        else(GCC_VERSION VERSION_GREATER 4.8 OR GCC_VERSION VERSION_EQUAL 4.8)
            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")
        endif(GCC_VERSION VERSION_GREATER 4.8 OR GCC_VERSION VERSION_EQUAL 4.8)
    else()
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pedantic")
    endif()

endif()