From 53b162523f35ee9c2ba4c67e8fcbf59201d0f491 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Wed, 18 Sep 2013 15:26:35 +0200
Subject: [PATCH] Fix host-only build.

---
 build/jam/BuildSetup  | 6 ++++--
 build/jam/HelperRules | 3 +++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/build/jam/BuildSetup b/build/jam/BuildSetup
index f5a8295c91..1abbfe47b7 100644
--- a/build/jam/BuildSetup
+++ b/build/jam/BuildSetup
@@ -243,6 +243,7 @@ HOST_UNARFLAGS		?= x ;
 # check the host platform compatibility
 SetPlatformCompatibilityFlagVariables HOST_PLATFORM : HOST : host
 	: linux openbsd freebsd darwin sunos cygwin ;
+HOST_PLATFORM_(host)_COMPATIBLE = 1 ;
 
 if $(HOST_PLATFORM) = linux || $(HOST_PLATFORM) = freebsd
 	|| $(HOST_PLATFORM) = darwin || $(HOST_PLATFORM) = cygwin
@@ -265,15 +266,16 @@ if $(HOST_PLATFORM) = cygwin {
 		--enable-auto-import ;
 }
 
-HOST_CPU	?= $(OSPLAT:L) ;
+HOST_CPU ?= $(OSPLAT:L) ;
 
 # Jam doesn't know x86_64, so override HOST_CPU, if 64 bit.
 if $(HOST_CPU) = x86 && $(HOST_PLATFORM_IS_64_BIT) {
 	HOST_CPU = x86_64 ;
 }
 
-HOST_ARCH				?= $(HOST_CPU) ;
+HOST_ARCH ?= $(HOST_CPU) ;
 HOST_ARCHS = $(HOST_ARCH) ;
+HOST_KERNEL_ARCH = host ;
 
 # analyze GCC version
 HOST_GCC_VERSION = [ FAnalyzeGCCVersion HOST_GCC_RAW_VERSION ] ;
diff --git a/build/jam/HelperRules b/build/jam/HelperRules
index 45197038ae..31d05f2e43 100644
--- a/build/jam/HelperRules
+++ b/build/jam/HelperRules
@@ -207,6 +207,9 @@ rule SetPlatformCompatibilityFlagVariables
 			$(varPrefix)_PLATFORM_HAIKU_COMPATIBLE = true ;
 		}
 
+		case host :
+			# not compatible to anything
+
 		case * :
 		{
 			if ! ( $(platform) in $(otherPlatforms) ) {