Makefile和通配符目标 [英] Makefile and wildcard targets

问题描述

我的目录中包含许多文件.我想对这些文件(即md5sum)运行命令.与其继续重新计算校验和，我不希望存储校验和.我想以并行方式(make -j)计算校验和

I have a directory with many files. I would like to run a command against these files (ie. md5sum). Instead of keep recomputing the checksum I would like to store the checksum. I would like to compute the checksums in a parallel manner (make -j)

推荐答案

类似的东西:

md5sums: $(addsuffix .md5sum,$(wildcard *.foo))

%.md5sum: %
        md5sum $< > $@

这是我们在有限的可用描述中所能做的最好的事情.

That's about the best we can do with the limited description available.

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