xserver-xorg: Fix build with musl

inb/outb are implemented for ARM on glibc but not on linux in general
therefore the conditional has to reflect that

(From OE-Core rev: 8920e520b58118c72c68e739c780efd71c1650d3)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/musl-arm-inb-outb.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/musl-arm-inb-outb.patch
new file mode 100644
index 0000000000..4be441fb71
--- /dev/null
+++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/musl-arm-inb-outb.patch
@@ -0,0 +1,18 @@
+inb/outb family for arm is only implemented on glibc
+so assumption across linux is wrong
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Upstream-Status: Pending
+Index: xorg-server-1.18.0/hw/xfree86/common/compiler.h
+===================================================================
+--- xorg-server-1.18.0.orig/hw/xfree86/common/compiler.h
++++ xorg-server-1.18.0/hw/xfree86/common/compiler.h
+@@ -758,7 +758,7 @@ inl(unsigned short port)
+     return xf86ReadMmio32Le((void *) ioBase, port);
+ }
+ 
+-#elif defined(__arm__) && defined(__linux__)
++#elif defined(__arm__) && defined(__GLIBC__)
+ 
+ /* for Linux on ARM, we use the LIBC inx/outx routines */
+ /* note that the appropriate setup via "ioperm" needs to be done */