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我想建立一個項目，在spi2核心，我得到未定義的參考。顯然，x11庫沒有被鏈接。但是，我很想看看makefile實際輸出的命令。現在輸出如下：自動工具Makefile可以顯示它們執行的命令嗎？
CCLD at-spi2-registryd
/home/deividas/Desktop/storage/Soft/MXE/mxe/usr/x86_64-pc-linux-gnu.static/lib/libXtst.a(XTest.o): In function `find_display':
/home/deividas/Desktop/storage/Soft/MXE/mxe/tmp-xtst-x86_64-pc-linux-gnu.static/libXtst-1.2.1/src/XTest.c:83: undefined reference to `XextFindDisplay'
/home/deividas/Desktop/storage/Soft/MXE/mxe/tmp-xtst-x86_64-pc-linux-gnu.static/libXtst-1.2.1/src/XTest.c:83: undefined reference to `XextCreateExtension'
/home/deividas/Desktop/storage/Soft/MXE/mxe/tmp-xtst-x86_64-pc-linux-gnu.static/libXtst-1.2.1/src/XTest.c:83: undefined reference to `XextAddDisplay'
/home/deividas/Desktop/storage/Soft/MXE/mxe/usr/x86_64-pc-linux-gnu.static/lib/libXtst.a(XTest.o): In function `XTestCompareCursorWithWindow':
/home/deividas/Desktop/storage/Soft/MXE/mxe/tmp-xtst-x86_64-pc-linux-gnu.static/libXtst-1.2.1/src/XTest.c:136: undefined reference to `XMissingExtension'
/home/deividas/Desktop/storage/Soft/MXE/mxe/usr/x86_64-pc-linux-gnu.static/lib/libXtst.a(XTest.o): In function `XTestFakeKeyEvent':
/home/deividas/Desktop/storage/Soft/MXE/mxe/tmp-xtst-x86_64-pc-linux-gnu.static/libXtst-1.2.1/src/XTest.c:167: undefined reference to `XMissingExtension'
/home/deividas/Desktop/storage/Soft/MXE/mxe/usr/x86_64-pc-linux-gnu.static/lib/libXtst.a(XTest.o): In function `XTestFakeButtonEvent':
/home/deividas/Desktop/storage/Soft/MXE/mxe/tmp-xtst-x86_64-pc-linux-gnu.static/libXtst-1.2.1/src/XTest.c:188: undefined reference to `XMissingExtension'
/home/deividas/Desktop/storage/Soft/MXE/mxe/usr/x86_64-pc-linux-gnu.static/lib/libXtst.a(XTest.o): In function `XTestFakeMotionEvent':
/home/deividas/Desktop/storage/Soft/MXE/mxe/tmp-xtst-x86_64-pc-linux-gnu.static/libXtst-1.2.1/src/XTest.c:208: undefined reference to `XMissingExtension'
/home/deividas/Desktop/storage/Soft/MXE/mxe/usr/x86_64-pc-linux-gnu.static/lib/libXtst.a(XTest.o): In function `XTestFakeRelativeMotionEvent':
/home/deividas/Desktop/storage/Soft/MXE/mxe/tmp-xtst-x86_64-pc-linux-gnu.static/libXtst-1.2.1/src/XTest.c:234: undefined reference to `XMissingExtension'
/home/deividas/Desktop/storage/Soft/MXE/mxe/usr/x86_64-pc-linux-gnu.static/lib/libXtst.a(XTest.o):/home/deividas/Desktop/storage/Soft/MXE/mxe/tmp-xtst-x86_64-pc-linux-gnu.static/libXtst-1.2.1/src/XTest.c:301: more undefined references to `XMissingExtension' follow
/home/deividas/Desktop/storage/Soft/MXE/mxe/usr/x86_64-pc-linux-gnu.static/lib/libXtst.a(XTest.o): In function `close_display':
/home/deividas/Desktop/storage/Soft/MXE/mxe/tmp-xtst-x86_64-pc-linux-gnu.static/libXtst-1.2.1/src/XTest.c:88: undefined reference to `XextRemoveDisplay'
collect2: error: ld returned 1 exit status
CCLD根本沒有幫助。我試過http://www.gnu.org/software/automake/manual/html_node/Debugging-Make-Rules.html中的東西，但似乎沒有輸出如何執行ld。這部分發生在registryd的內部文件夾中，而不是在根目錄中（如果這是相關的話）。有沒有人有類似的問題與autotools獲得正常的調試輸出？