From 5f0f186b5129fe382b8941bd4528e79d25d11df1 Mon Sep 17 00:00:00 2001
From: Huang Rui <vowstar@gmail.com>
Date: Sat, 18 Jan 2020 14:41:12 +0800
Subject: [PATCH] [12/20]tgt-null/Makefile.in:Remove useless $(INSTALL_DOC)

fix install timestamp check and Remove useless $(INSTALL_DOC)

Fix bug: https://bugs.gentoo.org/705412
Fix bug: https://github.com/gentoo/gentoo/pull/14096
Related: https://github.com/steveicarus/iverilog/pull/294

Signed-off-by: Huang Rui <vowstar@gmail.com>
---
 tgt-null/Makefile.in | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/tgt-null/Makefile.in b/tgt-null/Makefile.in
index 0bf2434d9..3a1c6a529 100644
--- a/tgt-null/Makefile.in
+++ b/tgt-null/Makefile.in
@@ -81,18 +81,17 @@ endif
 null.tgt: $O $(TGTDEPLIBS)
 	$(CC) @shared@ $(LDFLAGS) -o $@ $O $(TGTLDFLAGS)
 
-install: all installdirs $(libdir)/ivl$(suffix)/null.tgt $(INSTALL_DOC) $(libdir)/ivl$(suffix)/null.conf $(libdir)/ivl$(suffix)/null-s.conf
+install: all installdirs installfiles
 
-$(libdir)/ivl$(suffix)/null.tgt: ./null.tgt
+F = ./null.tgt \
+	$(srcdir)/null.conf \
+	$(srcdir)/null-s.conf
+
+installfiles: $(F) installdirs
 	$(INSTALL_PROGRAM) ./null.tgt "$(DESTDIR)$(libdir)/ivl$(suffix)/null.tgt"
-
-$(libdir)/ivl$(suffix)/null.conf: $(srcdir)/null.conf
 	$(INSTALL_DATA) $(srcdir)/null.conf "$(DESTDIR)$(libdir)/ivl$(suffix)/null.conf"
-
-$(libdir)/ivl$(suffix)/null-s.conf: $(srcdir)/null-s.conf
 	$(INSTALL_DATA) $(srcdir)/null-s.conf "$(DESTDIR)$(libdir)/ivl$(suffix)/null-s.conf"
 
-
 installdirs: $(srcdir)/../mkinstalldirs
 	$(srcdir)/../mkinstalldirs "$(DESTDIR)$(bindir)" "$(DESTDIR)$(libdir)/ivl$(suffix)"