From 8dba8b1fde7f3234c816840b5a376d74ebd5a181 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@google.com>
Date: Wed, 18 Dec 2013 11:03:39 -0800
Subject: [PATCH] Go: Don't require that Go environment variables be set when
 running examples or testsuite.

---
 CHANGES.current                    | 5 +++++
 Examples/Makefile.in               | 8 ++++----
 Examples/test-suite/go/Makefile.in | 6 +++---
 3 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/CHANGES.current b/CHANGES.current
index f7a882aa1..f9934b49d 100644
--- a/CHANGES.current
+++ b/CHANGES.current
@@ -5,6 +5,11 @@ See the RELEASENOTES file for a summary of changes in each release.
 Version 3.0.0 (in progress)
 ============================
 
+2013-12-18: ianlancetaylor
+	    [Go] Don't require that Go environment variables be set
+	    when running examples or testsuite when using Go 1 or
+	    later.
+
 2013-12-17: ianlancetaylor
 	    [Go] Remove -longsize option (for backward compatibility,
 	    ignore it if seen).
diff --git a/Examples/Makefile.in b/Examples/Makefile.in
index 0169f26a7..d8ebb80e3 100644
--- a/Examples/Makefile.in
+++ b/Examples/Makefile.in
@@ -1590,7 +1590,7 @@ go: $(SRCS)
 	fi
 	$(COMPILETOOL) $(GO) $(GOCOMPILEARG) -I . $(GOSRCS)
 	if ! $(GOGCC) ; then \
-	  $(COMPILETOOL) $(GOTOOL) $(GOC) -I $${GOROOT}/pkg/$${GOOS}_$${GOARCH} $(GOCSRCS); \
+	  $(COMPILETOOL) $(GOTOOL) $(GOC) -I $${GOROOT:-`go env GOROOT`}/pkg/$${GOOS:-`go env GOOS`}_$${GOARCH:-`go env GOARCH`} $(GOCSRCS); \
 	  rm -f $(GOPACKAGE); \
 	  if $(GO12); then \
 	    $(COMPILETOOL) $(GOPACK) grc $(GOPACKAGE) $(GOGCOBJS) $(GOCSRCS:.c=.$(GOOBJEXT)) $(OBJS) $(IOBJS); \
@@ -1613,7 +1613,7 @@ go_cpp: $(SRCS)
 	fi
 	$(COMPILETOOL) $(GO) $(GOCOMPILEARG) -I . $(GOSRCS)
 	if ! $(GOGCC) ; then \
-	  $(COMPILETOOL) $(GOTOOL) $(GOC) -I $${GOROOT}/pkg/$${GOOS}_$${GOARCH} $(GOCSRCS); \
+	  $(COMPILETOOL) $(GOTOOL) $(GOC) -I $${GOROOT:-`go env GOROOT`}/pkg/$${GOOS:-`go env GOOS`}_$${GOARCH:-`go env GOARCH`} $(GOCSRCS); \
 	  rm -f $(GOPACKAGE); \
 	  if $(GO12); then \
 	    $(COMPILETOOL) $(GOPACK) grc $(GOPACKAGE) $(GOGCOBJS) $(GOCSRCS:.c=.$(GOOBJEXT)) $(OBJS) $(IOBJS); \
@@ -1633,7 +1633,7 @@ go_run: runme.go
 	elif $(GO12); then \
 	  $(COMPILETOOL) $(GOTOOL) $(GOLD) -linkmode external -extld $(CC) -extldflags "$(CFLAGS)" -o runme runme.$(GOOBJEXT); \
 	else \
-	  $(COMPILETOOL) $(GOTOOL) $(GOLD) -r $${GOROOT}/pkg/$${GOOS}_$${GOARCH}:. -o runme runme.$(GOOBJEXT); \
+	  $(COMPILETOOL) $(GOTOOL) $(GOLD) -r $${GOROOT:-`go env GOROOT`}/pkg/$${GOOS:-`go env GOOS`}_$${GOARCH:-`go env GOARCH`}:. -o runme runme.$(GOOBJEXT); \
 	fi
 	env LD_LIBRARY_PATH=.:$$LD_LIBRARY_PATH $(RUNTOOL) ./runme $(RUNPIPE)
 
@@ -1648,7 +1648,7 @@ go_run_cpp: runme.go
 	elif $(GO12); then \
 	  $(COMPILETOOL) $(GOTOOL) $(GOLD) -linkmode external -extld $(CXX) -extldflags "$(CXXFLAGS)" -o runme runme.$(GOOBJEXT); \
 	else \
-	  $(COMPILETOOL) $(GOTOOL) $(GOLD) -r $${GOROOT}/pkg/$${GOOS}_$${GOARCH}:. -o runme runme.$(GOOBJEXT); \
+	  $(COMPILETOOL) $(GOTOOL) $(GOLD) -r $${GOROOT:-`go env GOROOT`}/pkg/$${GOOS:-`go env GOOS`}_$${GOARCH:-`go env GOARCH`}:. -o runme runme.$(GOOBJEXT); \
 	fi
 	env LD_LIBRARY_PATH=.:$$LD_LIBRARY_PATH $(RUNTOOL) ./runme $(RUNPIPE)
 
diff --git a/Examples/test-suite/go/Makefile.in b/Examples/test-suite/go/Makefile.in
index 1b4887e23..35937bcdb 100644
--- a/Examples/test-suite/go/Makefile.in
+++ b/Examples/test-suite/go/Makefile.in
@@ -63,7 +63,7 @@ run_testcase = \
 	  elif $(GO12); then \
 	    $(COMPILETOOL) $(GOTOOL) $(GOLD) -linkmode external -extld $(CC) -extldflags "$(CFLAGS)" -o $*_runme $(SCRIPTPREFIX)$*_runme.$(GOOBJEXT); \
 	  else \
-	    $(COMPILETOOL) $(GOTOOL) $(GOLD) -L . -r $${GOROOT}/pkg/$${GOOS}_$${GOARCH}:. -o $*_runme $(SCRIPTPREFIX)$*_runme.$(GOOBJEXT); \
+	    $(COMPILETOOL) $(GOTOOL) $(GOLD) -L . -r $${GOROOT:-`go env GOROOT`}/pkg/$${GOOS:-`go env GOOS`}_$${GOARCH:-`go env GOARCH`}:. -o $*_runme $(SCRIPTPREFIX)$*_runme.$(GOOBJEXT); \
 	  fi && \
 	  env LD_LIBRARY_PATH=.:$$LD_LIBRARY_PATH $(RUNTOOL) ./$*_runme; \
 	fi
@@ -76,7 +76,7 @@ run_testcase_cpp = \
 	  elif $(GO12); then \
 	    $(COMPILETOOL) $(GOTOOL) $(GOLD) -linkmode external -extld $(CXX) -extldflags "$(CXXFLAGS)" -o $*_runme $(SCRIPTPREFIX)$*_runme.$(GOOBJEXT); \
 	  else \
-	    $(COMPILETOOL) $(GOTOOL) $(GOLD) -L . -r $${GOROOT}/pkg/$${GOOS}_$${GOARCH}:. -o $*_runme $(SCRIPTPREFIX)$*_runme.$(GOOBJEXT); \
+	    $(COMPILETOOL) $(GOTOOL) $(GOLD) -L . -r $${GOROOT:-`go env GOROOT`}/pkg/$${GOOS:-`go env GOOS`}_$${GOARCH:-`go env GOARCH`}:. -o $*_runme $(SCRIPTPREFIX)$*_runme.$(GOOBJEXT); \
 	  fi && \
 	  env LD_LIBRARY_PATH=.:$$LD_LIBRARY_PATH $(RUNTOOL) ./$*_runme; \
 	fi
@@ -90,7 +90,7 @@ run_multi_testcase = \
 	  elif $(GO12); then \
 	    $(COMPILETOOL) $(GOTOOL) $(GOLD) -L . -linkmode external -extld $(CXX) -extldflags "$(CXXFLAGS)" -o $*_runme $(SCRIPTPREFIX)$*_runme.$(GOOBJEXT); \
 	  else \
-	    $(COMPILETOOL) $(GOTOOL) $(GOLD) -L . -r $${GOROOT}/pkg/$${GOOS}_$${GOARCH}:. -o $*_runme $(SCRIPTPREFIX)$*_runme.$(GOOBJEXT); \
+	    $(COMPILETOOL) $(GOTOOL) $(GOLD) -L . -r $${GOROOT:-`go env GOROOT`}/pkg/$${GOOS:-`go env GOOS`}_$${GOARCH:-`go env GOARCH`}:. -o $*_runme $(SCRIPTPREFIX)$*_runme.$(GOOBJEXT); \
 	  fi && \
 	  env LD_LIBRARY_PATH=.:$$LD_LIBRARY_PATH $(RUNTOOL) ./$*_runme; \
 	fi