From 87a57ce2af12d40008f71f552a7c55a91a5b948c Mon Sep 17 00:00:00 2001
From: mj-xmr <mjxmr@protonmail.com>
Date: Fri, 9 Jul 2021 18:06:13 +0200
Subject: [PATCH] Depends: mingw32-update-gcc-posix.sh script Extract the
 setting of the MinGW x-compiled to POSIX into a script.

---
 .github/workflows/depends.yml                 |  4 +---
 contrib/depends/README.md                     |  6 +++++
 .../depends/util/mingw32-update-gcc-posix.sh  | 22 +++++++++++++++++++
 3 files changed, 29 insertions(+), 3 deletions(-)
 create mode 100755 contrib/depends/util/mingw32-update-gcc-posix.sh

diff --git a/.github/workflows/depends.yml b/.github/workflows/depends.yml
index 74d0ceabc0e..b81326fffab 100644
--- a/.github/workflows/depends.yml
+++ b/.github/workflows/depends.yml
@@ -88,9 +88,7 @@ jobs:
         if [ -f contrib/depends/sdk-sources/MacOSX${{ matrix.toolchain.osx_sdk }}.sdk.tar.gz ]; then tar -C contrib/depends/SDKs -xf contrib/depends/sdk-sources/MacOSX${{ matrix.toolchain.osx_sdk }}.sdk.tar.gz; fi
     - name: prepare w64-mingw32
       if: ${{ matrix.toolchain.host == 'x86_64-w64-mingw32' || matrix.toolchain.host == 'i686-w64-mingw32' }}
-      run: |
-        sudo update-alternatives --set ${{ matrix.toolchain.host }}-g++ $(which ${{ matrix.toolchain.host }}-g++-posix)
-        sudo update-alternatives --set ${{ matrix.toolchain.host }}-gcc $(which ${{ matrix.toolchain.host }}-gcc-posix)
+      run: sudo contrib/depends/util/mingw32-update-gcc-posix.sh ${{ matrix.toolchain.host }}
     - name: build
       run: |
         ${{env.CCACHE_SETTINGS}}
diff --git a/contrib/depends/README.md b/contrib/depends/README.md
index 10866acbe87..f990312cda5 100644
--- a/contrib/depends/README.md
+++ b/contrib/depends/README.md
@@ -76,6 +76,12 @@ update-alternatives --set x86_64-w64-mingw32-g++ x86_64-w64-mingw32-g++-posix
 update-alternatives --set x86_64-w64-mingw32-gcc x86_64-w64-mingw32-gcc-posix
 ```
 
+or simply:
+
+```bash
+sudo contrib/depends/util/mingw32-update-gcc-posix.sh x86_64-w64-mingw32
+```
+
 ### Other documentation
 
 - [description.md](description.md): General description of the depends system
diff --git a/contrib/depends/util/mingw32-update-gcc-posix.sh b/contrib/depends/util/mingw32-update-gcc-posix.sh
new file mode 100755
index 00000000000..4ccdda11492
--- /dev/null
+++ b/contrib/depends/util/mingw32-update-gcc-posix.sh
@@ -0,0 +1,22 @@
+#!/bin/sh -e
+
+# Sets mingw cross compiler to POSIX version.
+
+TOOLCHAIN="$1"
+
+if [ -z "$TOOLCHAIN" ]; then
+	echo "Please supply the toolchain as the first argument, for example:"
+	echo "x86_64-w64-mingw32"
+	echo "i686-w64-mingw32"
+	exit 1
+fi
+
+if (! which "${TOOLCHAIN}"-g++-posix); then
+	echo "Toolchain '${TOOLCHAIN}' is not installed!"
+	exit 1
+fi
+
+update-alternatives --set "${TOOLCHAIN}"-g++ $(which "${TOOLCHAIN}"-g++-posix)
+update-alternatives --set "${TOOLCHAIN}"-gcc $(which "${TOOLCHAIN}"-gcc-posix)
+
+echo "Toolchain '$TOOLCHAIN' is set to POSIX successfuly."