From ff067ccb26c91de352de362a25d87bcbabe924dc Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <ivan@espressif.com>
Date: Wed, 23 Oct 2024 16:55:53 +0200
Subject: [PATCH 04/11] recognize *-*-nuttx as a supported OS

cpython's configure script bails out when cross-compiling for an
unknown OS, so we have to add "nuttx" to the list, even though it
is not used almost anywhere else.

Co-authored-by: Tiago Medicci Serrano <tiago.medicci@espressif.com>
Signed-off-by: Tiago Medicci <tiago.medicci@espressif.com>
---
 config.sub   | 2 +-
 configure    | 3 +++
 configure.ac | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/config.sub b/config.sub
index 1bb6a05dc11..2a87d3e0ddb 100755
--- a/config.sub
+++ b/config.sub
@@ -1769,7 +1769,7 @@ case $os in
 	     | onefs* | tirtos* | phoenix* | fuchsia* | redox* | bme* \
 	     | midnightbsd* | amdhsa* | unleashed* | emscripten* | wasi* \
 	     | nsk* | powerunix* | genode* | zvmoe* | qnx* | emx* | zephyr* \
-	     | fiwix* | mlibc* | cos* | mbr* | ironclad* )
+	     | fiwix* | mlibc* | cos* | mbr* | ironclad* | nuttx* )
 		;;
 	# This one is extra strict with allowed versions
 	sco3.2v2 | sco3.2v[4-9]* | sco5v6*)
diff --git a/configure b/configure
index 7cdd386c387..6da5e9f3832 100755
--- a/configure
+++ b/configure
@@ -4527,6 +4527,9 @@ printf "%s\n" "$IPHONEOS_DEPLOYMENT_TARGET" >&6; }
 	wasm32-*-* | wasm64-*-*)
 		_host_ident=$host_cpu
 		;;
+  *-*-nuttx*)
+    _host_ident=$host_cpu
+    ;;
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
diff --git a/configure.ac b/configure.ac
index 24e28a1e2de..80d6738fab5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -777,6 +777,9 @@ if test "$cross_compiling" = yes; then
 	wasm32-*-* | wasm64-*-*)
 		_host_ident=$host_cpu
 		;;
+  *-*-nuttx*)
+    _host_ident=$host_cpu
+    ;;
 	*)
 		# for now, limit cross builds to known configurations
 		MACHDEP="unknown"
-- 
2.46.1