From 4977edd33d200657d7ddb2766879a45ccdf85537 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Thu, 22 Dec 2011 14:01:18 +0000
Subject: [PATCH] Add configure support for kfreebsd and hurd. Patch by
 Sylvestre Ledru. Fixes pr11620.

llvm-svn: 147143
---
 llvm/autoconf/configure.ac | 7 ++++++-
 llvm/configure             | 9 +++++++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/llvm/autoconf/configure.ac b/llvm/autoconf/configure.ac
index d90f99fe4eb3..7de8a56fca4d 100644
--- a/llvm/autoconf/configure.ac
+++ b/llvm/autoconf/configure.ac
@@ -189,7 +189,7 @@ AC_CACHE_CHECK([type of operating system we're going to host on],
     llvm_cv_no_link_all_option="-Wl,-noall_load"
     llvm_cv_os_type="Minix"
     llvm_cv_platform_type="Unix" ;;
-  *-*-freebsd*)
+  *-*-freebsd* | *-*-kfreebsd-gnu)
     llvm_cv_link_all_option="-Wl,--whole-archive"
     llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
     llvm_cv_os_type="FreeBSD"
@@ -224,6 +224,11 @@ AC_CACHE_CHECK([type of operating system we're going to host on],
     llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
     llvm_cv_os_type="Linux"
     llvm_cv_platform_type="Unix" ;;
+  *-*-gnu*)
+    llvm_cv_link_all_option="-Wl,--whole-archive"
+    llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
+    llvm_cv_os_type="GNU"
+    llvm_cv_platform_type="Unix" ;;
   *-*-solaris*)
     llvm_cv_link_all_option="-Wl,-z,allextract"
     llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
diff --git a/llvm/configure b/llvm/configure
index 3dc7cdb7b293..ad20b850ab05 100755
--- a/llvm/configure
+++ b/llvm/configure
@@ -3693,7 +3693,7 @@ else
     llvm_cv_no_link_all_option="-Wl,-noall_load"
     llvm_cv_os_type="Minix"
     llvm_cv_platform_type="Unix" ;;
-  *-*-freebsd*)
+  *-*-freebsd* | *-*-kfreebsd-gnu)
     llvm_cv_link_all_option="-Wl,--whole-archive"
     llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
     llvm_cv_os_type="FreeBSD"
@@ -3728,6 +3728,11 @@ else
     llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
     llvm_cv_os_type="Linux"
     llvm_cv_platform_type="Unix" ;;
+  *-*-gnu*)
+    llvm_cv_link_all_option="-Wl,--whole-archive"
+    llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
+    llvm_cv_os_type="GNU"
+    llvm_cv_platform_type="Unix" ;;
   *-*-solaris*)
     llvm_cv_link_all_option="-Wl,-z,allextract"
     llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
@@ -10495,7 +10500,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10498 "configure"
+#line 10503 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H