From: Peter Maydell <pmaydell@chiark.greenend.org.uk>
Date: Tue, 20 May 2008 19:13:30 +0000 (+0000)
Subject: Don't use $< in target rules in makefiles (backport from trunk)
X-Git-Tag: nmh-1_3_RC3~6
X-Git-Url: http://git.marmaro.de/?p=mmh;a=commitdiff_plain;h=87a9996c3245f737390152d42ee34fca8b8e1696

Don't use $< in target rules in makefiles (backport from trunk)
---

diff --git a/ChangeLog b/ChangeLog
index 7a1437b..28d2b78 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-05-20  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
+
+	* sbr/Makefile.in, config/Makefile.in: Don't use $<
+	in target rules in makefiles, as POSIX says it's only
+	defined in inference rules. (Ported from trunk.)
+
 2008-05-04  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
 
 	* Released nmh-1.3 RC2.
diff --git a/config/Makefile.in b/config/Makefile.in
index 482bca2..aba161b 100644
--- a/config/Makefile.in
+++ b/config/Makefile.in
@@ -58,7 +58,7 @@ version.c:
 	${srcdir}/version.sh $(VERSION) > version.c
 
 config.o: config.c
-	$(COMPILE2) $<
+	$(COMPILE2) $(srcdir)/config.c
 
 install:
 
diff --git a/sbr/Makefile.in b/sbr/Makefile.in
index 2927e3c..a920958 100644
--- a/sbr/Makefile.in
+++ b/sbr/Makefile.in
@@ -101,16 +101,18 @@ sigmsg.h: sigmsg.awk
 lint: sigmsg.h
 	$(LINT) $(LINTFLAGS) $(INCLUDES) $(DEFS) $(SRCS)
 
-# Note that some lexes (for example flex 2.5.4) require that there
-# be no space between -o and the output filename.
+# Note that not all lexes support -o (it is not POSIX); also
+# some lexes will only accept '-n -t', not '-nt'.
+# Also, not all makes accept $< in non-pattern rules,
+# hence the explicit filenames here.
 dtimep.c: dtimep.lex
-	$(LEX) -o$@ $<
+	$(LEX) -n -t $(srcdir)/dtimep.lex > dtimep.c
 
 client.o: client.c
-	$(COMPILE2) $<
+	$(COMPILE2) $(srcdir)/client.c
 
 mts.o: mts.c
-	$(COMPILE2) $<
+	$(COMPILE2) $(srcdir)/mts.c
 
 pidstatus.o: sigmsg.h