在makefile中的功能? [英] functions in makefiles?

问题描述

我有很多makefile目标，它们可以做同样的事情:

I have a slew of makefile targets that do the same thing:

${SOME_FILE}:
    ${FILES} | ${DIST_DIR}

    @@cat ${FILES} |                     \
        sed 's/@DATE/'"${DATE}"'/' |     \
        sed 's/@VERSION/'"${CR_VER}"'/'  \
        > ${OUT_FILE};

其中，${FILES}和${OUT_FILE}是唯一更改的内容.我试图弄清楚是否可以将这些目标简化为类似的东西:

where ${FILES} and ${OUT_FILE} are the only things changing. I'm trying to figure out if it's possible to simplify these targets to something like:

${SOME_FILE}:
    compile(${FILES},${OUT_FILE})

感谢您的见解.

推荐答案

GNU make具有以下功能:

GNU make has this:

• http://www.gnu.org/software/make/manual/make .html#Call-Function

要定义多行功能，请使用以下语法:

To define a multi-line function, you would use this syntax:

• http://www.gnu.org/software/make/manual/make .html#Canned-Recipes

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