MM1212/nostdlink.md

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[42] check against system library calls usage to find forbidden functions

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nostdlink.md

Edit the Makefile:
- change CFLAGS from: CFLAGS = -Wall -Werror -Wextra to: override CFLAGS += -Wall -Werror -Wextra
Run this script:

make re CFLAGS="-nodefaultlibs" 2>&1 | grep ": undefined reference to" | grep -v __ | awk 'NF>1{print $NF}' | sed "s/[\'\`]//g" | sort | uniq

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