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From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Mon, 20 Jun 2022 07:45:35 +0100
Message-ID: <CAH6eHdRj2h21QhvPZAUyhv9gdgOGPMhde=-qGOwXME3Ac=Mcjw@mail.gmail.com>
Subject: Re: Makefile format
To: Ming Cheng <chengm349@hotmail.com>
Cc: gcc-help <gcc-help@gcc.gnu.org>
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On Mon, 20 Jun 2022, 05:58 Ming Cheng via Gcc-help, <gcc-help@gcc.gnu.org>
wrote:

> Hi,
>
> In a .mk makefile, there are these kinds of lines:
> modules := abc  xyz
> abc_type := static_library
> abc_target := libabc.a
>
>
> I know traditional Makefile format(simple usage). Where can find these
> "new" format guide?
>

GCC requires GNU Make. This syntax is documented in the GNU Make manual:

https://www.gnu.org/software/make/manual/html_node/Flavors.html#Flavors



> Thanks
> Ming Cheng
>