From df7b045a96fbb1666d197d36fdaca3015ee56930 Mon Sep 17 00:00:00 2001
From: Stephanos Ioannidis <root@stephanos.io>
Date: Thu, 24 Oct 2024 16:29:08 +0900
Subject: [PATCH] mingw-build: Build winpthreads library

Build MinGW-w64 winpthreads library, which enables pthread support on
MinGW-w64 toolchain.

pthread support is required when compiling libgcc with posix thread
model.

Signed-off-by: Stephanos Ioannidis <root@stephanos.io>
---
 mingw-build.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/mingw-build.sh b/mingw-build.sh
index ad9d111..285a054 100755
--- a/mingw-build.sh
+++ b/mingw-build.sh
@@ -87,6 +87,16 @@ build_mingw_toolchain() {
   make install -j$(nproc)
   popd
 
+  # Build MinGW winpthreads
+  mkdir mingw-winpthreads
+  pushd mingw-winpthreads
+  ../../src/mingw-w64-v${MINGW_VERSION}/mingw-w64-libraries/winpthreads/configure \
+    --prefix=${prefix}/x86_64-w64-mingw32 \
+    --host=x86_64-w64-mingw32
+  make -j$(nproc)
+  make install
+  popd
+
   # Build final GCC
   pushd gcc
   make -j$(nproc)