Andrew Hamilton
658b553840
meson setup --reconfigure touches subprojects/.wraplock every run, making it newer than build/kick and triggering an infinite rebuild loop. The file is meson housekeeping, not a real source dependency.
39 lines
1 KiB
Bash
Executable file
39 lines
1 KiB
Bash
Executable file
#!/bin/sh
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set -e
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cd "$(dirname "$0")"
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# Rebuild only when a source is newer than the built binary; otherwise
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# meson setup/compile would (re)generate everything each run. Sources
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# are tracked per program: kick.c only feeds kick, tests/wltest.c only
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# feeds wltest, while meson.build and the vendored subprojects feed both.
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stale() {
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# $1 = binary; $2.. = source paths/dirs it depends on.
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bin=$1
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shift
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[ -x "$bin" ] || return 0
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for p in "$@"; do
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[ -e "$p" ] || continue
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if [ -d "$p" ]; then
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if find "$p" -type f -newer "$bin" ! -name '.wraplock' -print -quit | grep -q .; then
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return 0
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fi
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elif [ "$p" -nt "$bin" ]; then
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return 0
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fi
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done
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return 1
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}
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if stale build/kick kick.c meson.build subprojects wlr-protocols \
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|| stale build/wltest tests/wltest.c meson.build subprojects; then
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set -x
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meson setup build --reconfigure
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meson compile -C build
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echo "Built: ./build/kick"
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else
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echo "build: nothing to do (binaries up to date)"
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fi
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