From: Bruno Haible <bruno@clisp.org>
Date: Thu, 18 Oct 2018 18:46:29 +0000 (+0200)
Subject: examples: hello-pascal: Fix 'make distcheck'.
X-Git-Tag: v0.20~331
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab211863d2ca1c8fd4db638a7d3c2622f856cac9;p=thirdparty%2Fgettext.git

examples: hello-pascal: Fix 'make distcheck'.

* gettext-tools/examples/hello-pascal/Makefile.am (hello$(EXEEXT)): Move
hello.rsj into $(srcdir) only if the new contents differs from the old contents.
---

diff --git a/gettext-tools/examples/hello-pascal/Makefile.am b/gettext-tools/examples/hello-pascal/Makefile.am
index 058d64a66..012b96f6b 100644
--- a/gettext-tools/examples/hello-pascal/Makefile.am
+++ b/gettext-tools/examples/hello-pascal/Makefile.am
@@ -42,7 +42,15 @@ all-local: hello$(EXEEXT)
 # How to build the 'hello' program.
 hello$(EXEEXT) $(srcdir)/hello.rsj: $(hello_SOURCES)
 	LOCALEDIR='@localedir@' $(PPC) -o./hello$(EXEEXT) $(hello_SOURCES)
-	if test '$(srcdir)' != .; then mv hello.rsj $(srcdir)/hello.rsj; fi
+# Move hello.rsj into $(srcdir). But don't provoke a gratuitous error in a
+# VPATH build with read-only $(srcdir).
+	if test '$(srcdir)' != .; then \
+	  if test -f $(srcdir)/hello.rsj && cmp hello.rsj $(srcdir)/hello.rsj >/dev/null; then \
+	    rm -f hello.rsj; \
+	  else \
+	    mv -f hello.rsj $(srcdir)/hello.rsj; \
+	  fi; \
+	fi
 
 install-exec-local: all-local
 	$(MKDIR_P) $(DESTDIR)$(bindir)