scc

commit 523578193bc82e554dcebd70bc0d92cac703be17
parent c056afc52c0d449a0251ebd05df7dbed65b32124
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Tue, 29 Oct 2024 21:09:21 +0100

build/libc: Use explicit rules for chained dependencies

Inference rules are only applied with direct dependencies,
and chaining them with other rules is not supported by all
the Makefiles.

Diffstat:
M
src/libc/rules.mk
 | 
3
+++
M
src/libc/time/Makefile
 | 
6
++++--

2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/src/libc/rules.mk b/src/libc/rules.mk
@@ -19,6 +19,9 @@ CRT = $(LIBCDIR)/crt.o
 _sys_errlist.c: $(SYSERRNO)
 	../../mkerrstr $(SYSERRNO)
 
+_sys_errlist.$O: _sys_errlist.c
+	$(CC) $(PROJ_CFLAGS) -c -o $@ _sys_errlist.c
+
 $(CRT): crt.$O
 	cp crt.$O $@
 
diff --git a/src/libc/time/Makefile b/src/libc/time/Makefile
@@ -17,8 +17,10 @@ OBJS =\
 
 all: $(OBJS)
 
-tz.$O: timezone.lst
-	awk -f gentz.awk $? > tz.c
+tz.c: timezone.lst
+	awk -f gentz.awk timezone.lst > $@
+
+tz.$O: tz.c
 	$(CC) $(PROJ_CFLAGS) -c -o $@ tz.c
 
 clean: