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| author | Lars Hjemli <hjemli@gmail.com> | 2008-03-24 23:01:44 +0100 |
|---|---|---|
| committer | Lars Hjemli <hjemli@gmail.com> | 2008-03-24 23:27:12 +0100 |
| commit | df90b51bafec24336cf30339b2978ff6df22b075 (patch) | |
| tree | 699d232ce635dbac9222e4b9dfc22f60b1aaa788 /cgit.c | |
| parent | 271818693d6803b5df25ee87570808c2a9dbd7e7 (diff) | |
| download | cgit-df90b51bafec24336cf30339b2978ff6df22b075.tar.gz cgit-df90b51bafec24336cf30339b2978ff6df22b075.tar.xz | |
Makefile: autobuild dependency rules
This uses gcc to generate dependency rules for each `.o` file, based on the
corresponding `.c` file, into a new set of `.d` files (which are also defined
to depend on the same set of source files as their `.o` files).
Result:
* all objectfile dependencies are correctly calculated
* only the necessary dependencies are recalculated when a sourcefile is updated
Inspiration for the build rules:
* http://www.gnu.org/software/make/manual/make.html#Automatic-Prerequisites
* http://make.paulandlesley.org/autodep.html
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Diffstat (limited to 'cgit.c')
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