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Merge pull request #101 from yamt/doc-make

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README.md: document requirement on make command
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Alexandre Perrin 2021-05-02 21:53:32 +02:00 committed by GitHub
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@ -71,6 +71,28 @@ additional information on stdout.
This requires: libjpeg, libpng, SDL
Build-time requirements
-----------------------
### make
While we are trying to keep our makefiles portable,
it might be incompatible with some versions of make.
#### GNU make
Version 4.x and later works. We recommend to use it.
Version prior to 4.0 doesn't work because it doesn't support `!=`.
*Note*: macOS's default version of make is GNU make 3.81 as of writing this.
#### BSD make
It also works.
You might need to specify the `-r` make option because some of
the default macros like CFLAGS from sys.mk can cause unintended effects.
Installation
------------
To build the library and associated demos/tests, type `make`. If you need to