________________________________ From: Ming Cheng <chengm349@xxxxxxxxxxx> Sent: Tuesday, June 21, 2022 8:41 AM To: Jonathan Wakely <jwakely.gcc@xxxxxxxxx> Subject: Re: Makefile format Hi Jonathan Wakely, Thanks for your kind first step. I should have made my question more clearer. We have a module called abc. Amazingly user can just define abc_type, abc_target; and GNU make seems to me that according to its rules will implicitly look for these bars if defined. Does the same doc have these rules description? Thanks Ming ________________________________ From: Jonathan Wakely <jwakely.gcc@xxxxxxxxx> Sent: Monday, June 20, 2022 6:45 AM To: Ming Cheng <chengm349@xxxxxxxxxxx> Cc: gcc-help <gcc-help@xxxxxxxxxxx> Subject: Re: Makefile format On Mon, 20 Jun 2022, 05:58 Ming Cheng via Gcc-help, <gcc-help@xxxxxxxxxxx<mailto:gcc-help@xxxxxxxxxxx>> 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
