39 lines
1.1 KiB
Bash
Executable file
39 lines
1.1 KiB
Bash
Executable file
#!/bin/bash
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# Copyright (C) 2020 Kevin Croft <krcroft@gmail.com>
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# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# This script captures pre-processor #define statements
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# matching the as-compiled state of the source file.
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# The script runs recursively for all source files, and
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# saves the results in corresponding <source>.defines file.
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#
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set -euo pipefail
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# Ensure the project has been configured
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if [[ ! -f config.h ]]; then
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echo "config.h not found. Please ./configure the project first"
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exit 1
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fi
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# Gather include paths
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root_dir="$(pwd)"
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root_include="$root_dir/include"
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gcc_includes="$(gcc -xc++ -E -v - < /dev/null 2>&1 | grep '^ ' | tail -n +2 | sed 's/^ /-I/' | xargs)"
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sdl_includes="$(sdl2-config --cflags)"
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# Round up our source files
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sources=( "$(find . -name '*.cpp' -o -name '*.c')" )
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# Run it
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parallel \
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"g++ -std=gnu++11 \
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$gcc_includes \
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$sdl_includes \
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-I$root_dir \
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-I$root_include \
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-I{//} \
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-DHAVE_CONFIG_H \
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-E -dM -include '{}' - < /dev/null 2> /dev/null \
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| grep '^#define' > '{.}.defines' \
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; echo '{} to {.}.defines'" ::: "${sources[@]}"
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