From fb49efa04e2ecf57c68c73e00538b2c13abea503 Mon Sep 17 00:00:00 2001
From: Michael Droettboom <mdboom@gmail.com>
Date: Mon, 28 Feb 2022 00:50:54 -0500
Subject: [PATCH 02/10] add emscripten host

---
 config.sub   | 7 ++++++-
 configure    | 6 ++++++
 configure.ac | 5 +++++
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/config.sub b/config.sub
index d74fb6deac..3f5097a1af 100755
--- a/config.sub
+++ b/config.sub
@@ -145,7 +145,8 @@ case $1 in
 			nto-qnx* | linux-* | uclinux-uclibc* \
 			| uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \
 			| netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \
-			| storm-chaos* | os2-emx* | rtmk-nova*)
+			| storm-chaos* | os2-emx* | rtmk-nova* | \
+			emscripten)
 				basic_machine=$field1
 				basic_os=$maybe_os
 				;;
@@ -255,6 +256,9 @@ case $1 in
 				basic_machine=i386-pc
 				basic_os=aros
 				;;
+			wasm32)
+				basic_machine=wasm32-unknown
+				;;
 			aux)
 				basic_machine=m68k-apple
 				basic_os=aux
@@ -1184,6 +1188,7 @@ case $cpu-$vendor in
 			| amdgcn \
 			| arc | arceb | arc32 | arc64 \
 			| arm | arm[lb]e | arme[lb] | armv* \
+			| wasm32 \
 			| avr | avr32 \
 			| asmjs \
 			| ba \
diff --git a/configure b/configure
index a7d2975f1f..13aeb01b73 100755
--- a/configure
+++ b/configure
@@ -3347,6 +3347,9 @@ then
 	*-*-vxworks*)
 	    ac_sys_system=VxWorks
 	    ;;
+	wasm32-*-*)
+		ac_sys_system=Emscripten
+		;;
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
@@ -3397,6 +3400,9 @@ if test "$cross_compiling" = yes; then
 	*-*-vxworks*)
 		_host_cpu=$host_cpu
 		;;
+	wasm32-*-*)
+		_host_cpu=
+		;;
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
diff --git a/configure.ac b/configure.ac
index 5aa91cbad3..87c397e969 100644
--- a/configure.ac
+++ b/configure.ac
@@ -403,6 +403,9 @@ then
 	*-*-vxworks*)
 	    ac_sys_system=VxWorks
 	    ;;
+	wasm32-*-*)
+		ac_sys_system=Emscripten
+		;;
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
@@ -451,6 +454,8 @@ if test "$cross_compiling" = yes; then
 		;;
 	*-*-vxworks*)
 		_host_cpu=$host_cpu
+	wasm32-*-*)
+		_host_cpu=
 		;;
 	*)
 		# for now, limit cross builds to known configurations
-- 
2.25.1