makefile unset environment variable
Assuming your makefile contains something like this to invoke a ... was actually "one" (so it was on the env) and the unset actually cleared it.,but i still see that its get reflected in the compilation environment... are these correct steps to undefined/unset a variable ?..i am i missing some basics here. ,If you want to clear a variable, setting its value to empty is usually sufficient. Expanding such a variable will yield the same result (empty string) regardless of ... ,I don't think you can actually undefine a variable. However, if 'empty' is good enough for you: make -e variable=''. , Doesn't the following work for you? unexport CFLAGS 3rdparty: $(MAKE) -f Makefile.3rdparty., Doesn't the following work for you? unexport CFLAGS 3rdparty: $(MAKE) -f Makefile.3rdparty., Assuming your makefile contains something like this to invoke a ... was actually "one" (so it was on the env) and the unset actually cleared it., This is part of a response: When you add the export directive to the target-specific assignment, it will be ok: check: @ ./check.sh bar: export ...
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 makefile unset environment variable 相關參考資料
bash - Unset an env variable on a makefile - Stack Overflow
Assuming your makefile contains something like this to invoke a ... was actually "one" (so it was on the env) and the unset actually cleared it. https://stackoverflow.com can we undefineunset a variable in makefile - Stack Overflow
but i still see that its get reflected in the compilation environment... are these correct steps to undefined/unset a variable ?..i am i missing some basics here. https://stackoverflow.com GNU make: Undefine Directive
If you want to clear a variable, setting its value to empty is usually sufficient. Expanding such a variable will yield the same result (empty string) regardless of ... https://www.gnu.org How can I undefine variable in a Makefile via command line - Stack ...
I don't think you can actually undefine a variable. However, if 'empty' is good enough for you: make -e variable=''. https://stackoverflow.com Is it possible to "unset" an environment variable in a Makefile ...
Doesn't the following work for you? unexport CFLAGS 3rdparty: $(MAKE) -f Makefile.3rdparty. https://stackoverflow.com Is it possible to "unset" an environment variable in a Makefile? - Stack ...
Doesn't the following work for you? unexport CFLAGS 3rdparty: $(MAKE) -f Makefile.3rdparty. https://stackoverflow.com Unset an env variable on a makefile - Stack Overflow
Assuming your makefile contains something like this to invoke a ... was actually "one" (so it was on the env) and the unset actually cleared it. https://stackoverflow.com Why does `?=` ("set if absent") cause make to unset an environment ...
This is part of a response: When you add the export directive to the target-specific assignment, it will be ok: check: @ ./check.sh bar: export ... https://stackoverflow.com |