c - include Makefile in a makefile and passing defines -

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i tring pass define 'cwroot' make file is included in other makefile. like: main.mk

$(info before top.mk cwroot=$(cwroot)) $(info before top.mk hc12lib=$(hc12lib)) include $(srcdir)\top.mk $(info after top.mk cwroot=$(cwroot)) $(info after top.mk hc12lib=$(hc12lib))

where top.mk contains:

$(info int top.mk cwroot=$(cwroot)) toolsdir = $(cwroot)\prog hc12lib  = $(cwroot)\lib

i run make file following command:

c:\gmake\make.exe -p -f main.mk cwroot="c:\programs\freescale\codewars12" s12x

then back:

before top.mk cwroot=c:\programs\freescale\codewars12 before top.mk hc12lib= after top.mk cwroot=c:\programs\freescale\codewars12 after top.mk hc12lib=\lib

why not back?

after top.mk hc12lib=c:\programs\freescale\codewars12\lib

in other words why cwroot not passed top.mk?

and why not see $(info) text top.mk?

thanx, frank


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