From: Adam Borowski <kilobyte@angband.pl>
Date: Tue, 30 Jul 2024 15:09:54 +0200
Subject: Properly detect x32.

As usually, x32 gets mistaken for amd64 (both are x86-64 ABIs after all).
This version doesn't use any assembly yet, a proper port is needed.
---
 common/common.h | 2 +-
 configure       | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/common/common.h b/common/common.h
index 975e1d4..ff1d410 100644
--- a/common/common.h
+++ b/common/common.h
@@ -804,7 +804,7 @@ static ALWAYS_INLINE int x264_predictor_clip( int16_t (*dst)[2], int16_t (*mvc)[
     return cnt;
 }
 
-#if ARCH_X86 || ARCH_X86_64
+#if ARCH_X86 || ARCH_X86_64 || ARCH_X32
 #include "x86/util.h"
 #endif
 
diff --git a/configure b/configure
index e242e73..de2b711 100755
--- a/configure
+++ b/configure
@@ -736,6 +736,10 @@ esac
 
 LDFLAGS="$LDFLAGS $libm"
 
+case `$CC -dumpmachine` in
+    *gnux32) host_cpu=x32
+esac
+
 stack_alignment=4
 case $host_cpu in
     i*86)
@@ -792,6 +796,10 @@ case $host_cpu in
             ASFLAGS="$ASFLAGS -f elf64"
         fi
         ;;
+    x32)
+        ARCH="X32"
+        CFLAGS="$CFLAGS -fPIC"
+        ;;
     powerpc*)
         ARCH="PPC"
         if [ $asm = auto ] ; then