[meta-virtualization] [PATCH v2 8/8] xen: don't inject -mfpmath=sse which causes build issues

[Doug Goldstein]

Don't inject -mfpmath=sse into the build which causes issues with the
hypervisor build.

Signed-off-by: Doug Goldstein <cardoe at cardoe.com>
---
 ...xen-x86-Fix-up-rules-when-forcing-mno-sse.patch | 28 ----------------------
 recipes-extended/xen/xen.inc                       |  5 ++++
 recipes-extended/xen/xen_4.6.0.bb                  |  1 -
 3 files changed, 5 insertions(+), 29 deletions(-)
 delete mode 100644 recipes-extended/xen/files/xen-x86-Fix-up-rules-when-forcing-mno-sse.patch

diff --git a/recipes-extended/xen/files/xen-x86-Fix-up-rules-when-forcing-mno-sse.patch b/recipes-extended/xen/files/xen-x86-Fix-up-rules-when-forcing-mno-sse.patch
deleted file mode 100644
index 4c3e297..0000000
--- a/recipes-extended/xen/files/xen-x86-Fix-up-rules-when-forcing-mno-sse.patch
+++ /dev/null
@@ -1,28 +0,0 @@
-From: Nathan Rossi <nathan.rossi at xilinx.com>
-Subject: [PATCH] xen/x86: Fix up rules when forcing -mno-sse
-
-* When forcing -mno-sse specify -mfpmath=387 to avoid the fallback
-  warning
-
-Signed-off-by: Nathan Rossi <nathan.rossi at xilinx.com>
-Upstream-Status: Not-Submitted
----
- xen/arch/x86/Rules.mk | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/xen/arch/x86/Rules.mk b/xen/arch/x86/Rules.mk
-index 6775cb5..03848f7 100644
---- a/xen/arch/x86/Rules.mk
-+++ b/xen/arch/x86/Rules.mk
-@@ -42,7 +42,7 @@ x86 := y
- x86_32 := n
- x86_64 := y
- 
--CFLAGS += -mno-red-zone -mno-sse -fpic
-+CFLAGS += -mno-red-zone -mno-sse -fpic -mfpmath=387
- CFLAGS += -fno-asynchronous-unwind-tables
- # -fvisibility=hidden reduces -fpic cost, if it's available
- ifneq ($(call cc-option,$(CC),-fvisibility=hidden,n),n)
--- 
-2.1.1
-
diff --git a/recipes-extended/xen/xen.inc b/recipes-extended/xen/xen.inc
index f937b05..5555ed3 100644
--- a/recipes-extended/xen/xen.inc
+++ b/recipes-extended/xen/xen.inc
@@ -713,6 +713,11 @@ export CROSS_COMPILE="${TARGET_PREFIX}"
 # overide LDFLAGS to allow xen to build without: "x86_64-oe-linux-ld: unrecognized option '-Wl,-O1'"
 export LDFLAGS=""
 
+# Yocto injects -mfpmath=sse for some machine types into the CFLAGS which
+# conflicts with -mno-sse so instead we strip -mfpmath=sse instead of
+# patching the build to be ok with this
+TUNE_CCARGS := "${@oe_filter_out('-mfpmath=sse', '${TUNE_CCARGS}', d)}"
+
 EXTRA_OECONF += " \
     --exec-prefix=/usr \
     --prefix=/usr \
diff --git a/recipes-extended/xen/xen_4.6.0.bb b/recipes-extended/xen/xen_4.6.0.bb
index 0391dbd..41241cd 100644
--- a/recipes-extended/xen/xen_4.6.0.bb
+++ b/recipes-extended/xen/xen_4.6.0.bb
@@ -2,7 +2,6 @@ require xen.inc
 
 SRC_URI = " \
     http://bits.xensource.com/oss-xen/release/${PV}/xen-${PV}.tar.gz \
-    file://xen-x86-Fix-up-rules-when-forcing-mno-sse.patch \
     "
 
 SRC_URI[md5sum] = "48e232f90927c08326a7b52bb06f49bc"
-- 
2.4.10