From 311ca1db4ad68c7fb8b993640fda0de057387f2d Mon Sep 17 00:00:00 2001
From: Tomasz Kramkowski <tk@the-tk.com>
Date: Sun, 18 Jul 2021 13:10:55 +0100
Subject: Do not store .d files permanently. Use tempfiles

---
 .compile.do  | 2 +-
 clean        | 2 +-
 default.o.do | 4 +++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/.compile.do b/.compile.do
index a249c44..6634b55 100755
--- a/.compile.do
+++ b/.compile.do
@@ -4,5 +4,5 @@ redo-ifchange .vars.rc
 exec >"$3"
 echo "# generated by $0"
 declare -p CC CFLAGS CPPFLAGS
-echo '"$CC" -MMD -MF "${1%.o}.d" "${CFLAGS[@]}" "${CPPFLAGS[@]}" -c -o "$3" "${1%.o}.c"'
+echo '"$CC" -MMD -MF "$depfile" "${CFLAGS[@]}" "${CPPFLAGS[@]}" -c -o "$3" "${1%.o}.c"'
 if command -v redo-stamp &>/dev/null; then redo-stamp <"$3"; fi
diff --git a/clean b/clean
index 2cb5f16..8797998 100755
--- a/clean
+++ b/clean
@@ -1,3 +1,3 @@
 #!/bin/sh
-find . -type f \( -name '*.d' -o -name '*.o' -o -name '*.inc' \) -exec rm -f {} +
+find . -type f \( -name '*.o' -o -name '*.inc' \) -exec rm -f {} +
 rm -f .compile .link-executable .link-library .vars.rc all compile_flags.txt libpack.so test test_gen
diff --git a/default.o.do b/default.o.do
index c457bc5..c7e415b 100755
--- a/default.o.do
+++ b/default.o.do
@@ -2,5 +2,7 @@
 src=${1%.o}.c
 redo-ifchange .compile .parse-depfile "$src"
 sed -n 's|.*@BUILD_DEP \(.*\)|\1|p' "$src" | tr '\n' '\0' | xargs -r0 redo-ifchange
+depfile=$(mktemp)
 . ./.compile
-./.parse-depfile "${1%.o}.d" | tr '\n' '\0' | xargs -r0 redo-ifchange
+./.parse-depfile "$depfile" | tr '\n' '\0' | xargs -r0 redo-ifchange
+rm "$depfile"
-- 
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