33 lines
758 B
Bash
Executable File
33 lines
758 B
Bash
Executable File
#! /bin/sh -e
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if [ $# -lt 1 ]; then
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echo "Usage: $0 <cfilepath>...; removes #includes one at a time and checks compile" >&2
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exit 1
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fi
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CCMD=$(make show-flags | sed -n 's/CC://p')
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for file; do
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i=1
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echo "$file":
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while true; do
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# Don't eliminate config.h includes!
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LINE="$(grep '^#include <' "$file" | grep -v '[<"]config.h[">]' | tail -n +$i | head -n1)"
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[ -n "$LINE" ] || break
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# Make sure even headers end in .c
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grep -F -v "$LINE" "$file" > "$file".c
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if $CCMD /tmp/out.$$.o "$file".c 2>/dev/null; then
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# shellcheck disable=SC2039
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echo -n "-$LINE"
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mv "$file".c "$file"
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else
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# shellcheck disable=SC2039
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echo -n "."
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rm -f "$file".c
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i=$((i + 1))
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fi
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rm -f /tmp/out.$$.o
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done
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echo
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done
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