# Solaris posix_fallocate(3C) will fail if len == 0. Try using

# posix_fallocate(3C) first, and if it fails, fallback to

# ftruncate(3C).

# We aren't building the Gold Linker anyway. This is just for

# those of us who are building and working on the Gold Linker.

# This patch has been submitted to the community.

--- gold/output.cc	2014-10-14 00:32:04.000000000 -0700

+++ gold/output.cc	2015-08-04 11:57:17.805271241 -0700

@@ -22,6 +22,7 @@

 #include "gold.h"

+#include <cstdio>

 #include <cstdlib>

 #include <cstring>

 #include <cerrno>

@@ -127,9 +128,15 @@

 static int

 gold_fallocate(int o, off_t offset, off_t len)

 {

-#ifdef HAVE_POSIX_FALLOCATE

-  if (parameters->options().posix_fallocate())

-    return ::posix_fallocate(o, offset, len);

+#if defined(HAVE_POSIX_FALLOCATE)

+  if (parameters->options().posix_fallocate()) {

+    // posix_fallocate on Solaris will fail if len == 0

+    int ret = ::posix_fallocate(o, offset, len);

+    // try ::ftruncate(3C) is posix_fallocate(3C) failed.

+    if (ret != 0)

+      ret = ::ftruncate(o, offset + len);

+    return ret;

+  }

 #endif // defined(HAVE_POSIX_FALLOCATE)

 #ifdef HAVE_FALLOCATE

   if (::fallocate(o, 0, offset, len) == 0)