varname-dot-makeflags.mk revision 1.7
1 1.7 rillig # $NetBSD: varname-dot-makeflags.mk,v 1.7 2023/02/25 19:24:07 rillig Exp $ 2 1.1 rillig # 3 1.1 rillig # Tests for the special .MAKEFLAGS variable, which collects almost all 4 1.1 rillig # command line arguments and passes them on to any child processes via 5 1.1 rillig # the environment variable MAKEFLAGS (without leading '.'). 6 1.2 rillig # 7 1.2 rillig # See also: 8 1.2 rillig # varname-dot-makeoverrides.mk 9 1.2 rillig 10 1.6 rillig .info MAKEFLAGS=<${MAKEFLAGS:Uundefined}> 11 1.6 rillig .info .MAKEFLAGS=<${.MAKEFLAGS}> 12 1.6 rillig .info .MAKEOVERRIDES=<${.MAKEOVERRIDES:Uundefined}> 13 1.6 rillig 14 1.6 rillig # Append an option with argument, a plain option and a variable assignment. 15 1.6 rillig .MAKEFLAGS: -DVARNAME -r VAR=value 16 1.6 rillig 17 1.7 rillig # expect+1: MAKEFLAGS=<undefined> 18 1.6 rillig .info MAKEFLAGS=<${MAKEFLAGS:Uundefined}> 19 1.7 rillig # expect+1: .MAKEFLAGS=< -r -k -D VARNAME -r> 20 1.6 rillig .info .MAKEFLAGS=<${.MAKEFLAGS}> 21 1.7 rillig # expect+1: .MAKEOVERRIDES=< VAR> 22 1.6 rillig .info .MAKEOVERRIDES=<${.MAKEOVERRIDES}> 23 1.2 rillig 24 1.7 rillig # The environment variable 'MAKEFLAGS' is not available to child processes 25 1.7 rillig # when parsing the makefiles. This is different from exported variables, 26 1.7 rillig # which are already available during parse time. 27 1.7 rillig .if ${:!echo "\${MAKEFLAGS-undef}"!} != "undef" 28 1.7 rillig . error 29 1.7 rillig .endif 30 1.7 rillig 31 1.7 rillig # After parsing, the environment variable 'MAKEFLAGS' is set based on the 32 1.7 rillig # special variables '.MAKEFLAGS' and '.MAKEOVERRIDES'. 33 1.6 rillig runtime: 34 1.2 rillig @echo '$@: MAKEFLAGS=<'${MAKEFLAGS:Q}'>' 35 1.6 rillig @echo '$@: .MAKEFLAGS=<'${.MAKEFLAGS:Q}'>' 36 1.6 rillig @echo '$@: .MAKEOVERRIDES=<'${.MAKEOVERRIDES:Q}'>' 37
Indexes created Wed Oct 01 07:09:59 GMT 2025