cmake 中如何 filterout 字符串列表（正则过滤）

Question

没有找到原生的（CMake 的文档真心烂）。然后看到一个实现，改了一下可以用过，这是最小测试样例：

project( filter_out )
cmake_minimum_required( VERSION 2.6 )

macro( filter_out FILTERS INPUTS OUTPUTS )
    set( FOUT "" )
    foreach( INP ${INPUTS} )
        set( FILTERED 0 )
        foreach( FILT ${FILTERS} )
            if( ${FILTERED} EQUAL 0 )
                if( "${FILT}" STREQUAL "${INP}" )
                    set( FILTERED 1 )
                endif( "${FILT}" STREQUAL "${INP}" )
            endif( ${FILTERED} EQUAL 0 )
        endforeach( FILT ${FILTERS} )
        if( ${FILTERED} EQUAL 0 )
            set( FOUT ${FOUT} ${INP} )
        endif( ${FILTERED} EQUAL 0 )
    endforeach( INP ${INPUTS} )
    set( ${OUTPUTS} ${FOUT} )
endmacro( filter_out FILTERS INPUTS OUTPUTS )

set( INPUTS foo bar baz FOO BAR BAZ )
set( FILTERS foo FOO baz BAZ )
filter_out("${FILTERS}" "${INPUTS}" OUTPUTS )
message( STATUS "outputs are: ${OUTPUTS}")

输出（去掉了无关紧要的内容）：

outputs are: bar;BAR

可以看到可以去掉完全 match 的内容。但，能不能按照正则过滤？
比如我想过滤掉 ".*CMakeCXXCompilerId.cp?p?$"。

上面的实现必须得指定 "D:gitcmake-templatesqt4buildCMakeCXXCompilerId.c" 和 "D:gitcmake-templatesqt4buildCMakeCXXCompilerId.cpp" 才能过滤。实在太不友好。

参考：https://cmake.org/Wiki/CMakeMacroFilterOut

---

现在已经解决了：https://github.com/district10/cmake-templates/tree/master/qt4-project

就跟 Linux 下的

qmake -project
qmake
make

一样。

Answer 1

在写问题的时候发现找到了解决方案（虽然丑了一点）：

project( filter_out )
cmake_minimum_required( VERSION 2.6 )

macro( filter_out FILTERS INPUTS OUTPUTS )
    set( FOUT "" )
    foreach( INP ${INPUTS} )
        set( FILTERED 0 )
        foreach( FILT ${FILTERS} )
            if( ${FILTERED} EQUAL 0 )
                if( "${FILT}" STREQUAL "${INP}" )
                    set( FILTERED 1 )
                endif( "${FILT}" STREQUAL "${INP}" )
                if( ${INP} MATCHES ${FILT} ) 
                    set( FILTERED 1 )
                endif( ${INP} MATCHES ${FILT} ) 
            endif( ${FILTERED} EQUAL 0 )
        endforeach( FILT ${FILTERS} )
        if( ${FILTERED} EQUAL 0 )
            set( FOUT ${FOUT} ${INP} )
        endif( ${FILTERED} EQUAL 0 )
    endforeach( INP ${INPUTS} )
    set( ${OUTPUTS} ${FOUT} )
endmacro( filter_out FILTERS INPUTS OUTPUTS )

set( INPUTS foo bar baz regexpfoo regexpbar regexpbaz )
set( FILTERS bar baz "regexpb.*" )
filter_out("${FILTERS}" "${INPUTS}" OUTPUTS )
message( STATUS "outputs are: ${OUTPUTS}")

输出为：

outputs are: foo;regexpfoo

有没有更好的答案？