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fixes #25296; get CPU arch from gcc #25297

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fixes #25296; get CPU arch from gcc #25297

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2b0aef5
fixes #25296; get CPU arch from gcc
demotomohiro Nov 19, 2025
2fe0d18
fixes gcc -dumpmachine call
demotomohiro Nov 19, 2025
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8 changes: 7 additions & 1 deletion tools/niminst/makefile.nimf
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,13 @@ endif
target := ?{"$(binDir)/" & toLowerAscii(c.name)}


ucpu := $(shell sh -c 'uname -m | tr "[:upper:]" "[:lower:]"')
## get CPU arch from GCC instead of using `uname -m` as GCC target CPU arch can be different from uname.
## see #25296
## it should also get OS from GCC so that csource can be build with more GCC for cross compilation.
## but parsing OS name from `gcc -dumpmachine` is hard:
## https://wiki.osdev.org/Target_Triplet
ucpu := $(shell sh -c '"$(CC)" -dumpmachine | sed "s/-.*//" | tr "[:upper:]" "[:lower:]"')
##ucpu := $(shell sh -c 'uname -m | tr "[:upper:]" "[:lower:]"')
ifeq ($(OS),Windows_NT)
uos := windows
else
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