Add s390x support

nvidia-texture-tools-s390.patch

@@ -0,0 +1,27 @@
+diff -up nvidia-texture-tools/src/nvcore/nvcore.h.orig nvidia-texture-tools/src/nvcore/nvcore.h
+--- nvidia-texture-tools/src/nvcore/nvcore.h.orig	2017-11-15 05:24:04.826858170 -0500
++++ nvidia-texture-tools/src/nvcore/nvcore.h	2017-11-15 05:24:18.980858712 -0500
+@@ -78,6 +78,8 @@
+ #	define NV_CPU_MIPS 1
+ #elif defined POSH_CPU_MIPS64
+ #	define NV_CPU_MIPS64 1
++#elif defined POSH_CPU_S390
++#	define NV_CPU_S390 1
+ #else
+ #	error "Unsupported CPU"
+ #endif
+diff -up nvidia-texture-tools/src/nvcore/poshlib/posh.h.orig nvidia-texture-tools/src/nvcore/poshlib/posh.h
+--- nvidia-texture-tools/src/nvcore/poshlib/posh.h.orig	2017-11-15 05:22:08.066853699 -0500
++++ nvidia-texture-tools/src/nvcore/poshlib/posh.h	2017-11-15 05:23:05.949855915 -0500
+@@ -527,6 +527,11 @@ Metrowerks:
+ #  define POSH_CPU_STRING "PA-RISC"
+ #endif
+ 
++#if defined __s390__ || defined __s390x__
++#  define POSH_CPU_S390 1
++#  define POSH_CPU_STRING "S390"
++#endif
++
+ #if !defined POSH_CPU_STRING
+ #  error POSH cannot determine target CPU
+ #  define POSH_CPU_STRING "Unknown" /* this is here for Doxygen's benefit */

nvidia-texture-tools.spec

@@ -35,6 +35,8 @@ Patch6:         %{name}-aarch64.patch
 Patch7:		%{name}-bool-null.patch
 # add MIPS support
 Patch8:		%{name}-mips.patch
+# add S390 support
+Patch9:		%{name}-s390.patch
 
 %description
 The NVIDIA Texture Tools is a collection of image processing and texture
@@ -67,6 +69,7 @@ Headers and libraries for development with %{name}.
 %patch6 -p1
 %patch7 -p1
 %patch8 -p1
+%patch9 -p1
 
 %build
 mkdir -p build