From b45c95ae01f5b478bfe306feeb64f3c054bc6f55 Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@tuebingen.mpg.de>
Date: Thu, 2 Jan 2025 01:06:03 +0100
Subject: [PATCH] build: Remove the .PRECIOUS target.

Instruct make(1) to never remove any intermediate files by defining
.SECONDARY. This way we don't need to maintain the list of precious
targets.
---
 Makefile.real   | 1 +
 m4/lls/makefile | 1 -
 yy/makefile     | 3 ---
 3 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/Makefile.real b/Makefile.real
index 513d4bbe..afcc5bfe 100644
--- a/Makefile.real
+++ b/Makefile.real
@@ -8,6 +8,7 @@ ifeq ("$(origin CC)", "default")
 endif
 .ONESHELL:
 .SHELLFLAGS := -ec
+.SECONDARY: # don't remove intermediate files
 
 PACKAGE := paraslash
 DEFINES = \
diff --git a/m4/lls/makefile b/m4/lls/makefile
index 0aa4744a..4df323c4 100644
--- a/m4/lls/makefile
+++ b/m4/lls/makefile
@@ -1,4 +1,3 @@
-.PRECIOUS: $(lls_suite_dir)/%.suite $(lsg_h)
 lls_m4_include_dir := $(lls_m4_dir)/include
 
 $(lls_suite_dir)/%.m4d: $(lls_m4_dir)/%.suite.m4
diff --git a/yy/makefile b/yy/makefile
index e8492563..b8c9fa63 100644
--- a/yy/makefile
+++ b/yy/makefile
@@ -1,6 +1,3 @@
-.PRECIOUS: $(yy_build_dir)/%.flex.c $(yy_build_dir)/%.bison.c \
-	$(yy_build_dir)/%.bison.h
-
 $(yy_build_dir)/%.flex.c: $(yy_src_dir)/%.lex
 	@[ -z "$(Q)" ] || echo 'FLEX $<'
 	@$(FLEX) -o $@ $<
-- 
2.39.5