fix freebsd build

R=iant, r
CC=dho, golang-dev
https://golang.org/cl/3687041

src/cmd/6l/asm.c

@@ -163,7 +163,6 @@ needlib(char *name)
 
 int nelfsym = 1;
 
-static void	adddynsym(Sym*);
 static void addpltsym(Sym*);
 static void addgotsym(Sym*);
 
@@ -437,7 +436,7 @@ addgotsym(Sym *s)
 	}
 }
 
-static void
+void
 adddynsym(Sym *s)
 {
 	Sym *d, *str;

src/cmd/6l/obj.c

@@ -245,6 +245,7 @@ main(int argc, char *argv[])
 		else
 			doprof2();
 	span();
+	addexport();
 	textaddress();
 	pclntab();
 	symtab();

src/cmd/8l/asm.c

@@ -153,7 +153,6 @@ needlib(char *name)
 
 int	nelfsym = 1;
 
-static void	adddynsym(Sym*);
 static void	addpltsym(Sym*);
 static void	addgotsym(Sym*);
 
@@ -420,7 +419,7 @@ addgotsym(Sym *s)
 	}
 }
 
-static void
+void
 adddynsym(Sym *s)
 {
 	Sym *d, *str;

src/cmd/8l/obj.c

@@ -313,6 +313,7 @@ main(int argc, char *argv[])
 		else
 			doprof2();
 	span();
+	addexport();
 	textaddress();
 	pclntab();
 	symtab();

src/cmd/ld/data.c

@@ -165,9 +165,9 @@ relocsym(Sym *s)
 		if(r->type >= 256)
 			continue;
 
-		if(r->sym != S && (r->sym->type == SDYNIMPORT || r->sym->dynimpname != nil))
+		if(r->sym != S && r->sym->type == SDYNIMPORT)
 			if (thechar != '8' || HEADTYPE != 10) // Windows PE supports relocation references to dynamic import symbols
-				diag("unhandled relocation for %s (rtype %d)", r->sym->name, r->type);
+				diag("unhandled relocation for %s (type %d rtype %d)", r->sym->name, r->sym->type, r->type);
 
 		if(r->sym != S && !r->sym->reachable)
 			diag("unreachable sym in relocation: %s %s", s->name, r->sym->name);

src/cmd/ld/go.c

@@ -658,3 +658,12 @@ deadcode(void)
 	else
 		last->next = nil;
 }
+
+void
+addexport(void)
+{
+	int i;
+	
+	for(i=0; i<ndynexp; i++)
+		adddynsym(dynexp[i]);
+}

src/cmd/ld/lib.h

@@ -161,6 +161,8 @@ void	genasmsym(void (*put)(Sym*, char*, int, vlong, vlong, int, Sym*));
 vlong	datoff(vlong);
 void	adddynlib(char*);
 int	archreloc(Reloc*, Sym*, vlong*);
+void	adddynsym(Sym*);
+void	addexport(void);
 
 int	pathchar(void);
 void*	mal(uint32);

src/pkg/deps.bash

@@ -14,7 +14,7 @@ if [ -f $OUT ] && ! [ -w $OUT ]; then
 fi
 
 # Get list of directories from Makefile
-dirs=$(make echo-dirs)
+dirs=$(gomake echo-dirs)
 dirpat=$(echo $dirs C | sed 's/ /|/g; s/.*/^(&)$/')
 
 for dir in $dirs; do (

src/pkg/runtime/cgo/Makefile

@@ -31,6 +31,12 @@ OFILES=\
 
 CGO_LDFLAGS=-lpthread
 
+ifeq ($(GOOS),freebsd)
+OFILES+=\
+	freebsd.$O\
+
+endif
+
 endif
 
 include ../../../Make.pkg

src/pkg/runtime/cgo/freebsd.c

+// Copyright 2010 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Supply environ and __progname, because we don't
+// link against the standard FreeBSD crt0.o and the
+// libc dynamic library needs them.
+
+char *environ[1];
+char *__progname;
+
+#pragma dynexport environ environ
+#pragma dynexport __progname __progname

src/pkg/runtime/cgo/freebsd_386.c

@@ -7,9 +7,6 @@
 
 static void* threadentry(void*);
 
-char *environ[] = { 0 };
-char *__progname;
-
 static void
 xinitcgo(void)
 {

src/pkg/runtime/cgo/freebsd_amd64.c

@@ -7,9 +7,6 @@
 
 static void* threadentry(void*);
 
-char *environ[] = { 0 };
-char *__progname;
-
 static void
 xinitcgo(void)
 {