From: Russ Cox <rsc@golang.org>
Date: Thu, 20 Jan 2011 17:50:10 +0000 (-0500)
Subject: 5l: document -F, force it on old ARMs
X-Git-Tag: weekly.2011-02-01~122
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=e8f2692ca20eb3bb390be5830e64ab622f8ed763;p=gostls13.git

5l: document -F, force it on old ARMs

Fixes #1341.

R=ken2, r
CC=golang-dev
https://golang.org/cl/4006045
---

diff --git a/src/cmd/5l/doc.go b/src/cmd/5l/doc.go
index 6f7408116b..72b5c33925 100644
--- a/src/cmd/5l/doc.go
+++ b/src/cmd/5l/doc.go
@@ -20,6 +20,9 @@ Original options are listed in the link above.
 
 Options new in this version:
 
+-F
+	Force use of software floating point.
+	Also implied by setting GOARM=5 in the environment.
 -L dir1 -L dir2
 	Search for libraries (package files) in dir1, dir2, etc.
 	The default is the single location $GOROOT/pkg/$GOOS_arm.
diff --git a/src/cmd/5l/obj.c b/src/cmd/5l/obj.c
index cb9ad9805e..b3e20fbd81 100644
--- a/src/cmd/5l/obj.c
+++ b/src/cmd/5l/obj.c
@@ -69,6 +69,7 @@ void
 main(int argc, char *argv[])
 {
 	int c, i;
+	char *p;
 
 	Binit(&bso, 1, OWRITE);
 	cout = -1;
@@ -80,6 +81,10 @@ main(int argc, char *argv[])
 	INITDAT = -1;
 	INITRND = -1;
 	INITENTRY = 0;
+	
+	p = getenv("GOARM");
+	if(p != nil && strcmp(p, "5") == 0)
+		debug['F'] = 1;
 
 	ARGBEGIN {
 	default: