From 6a4ff442d7c76cea9534a1e4f8861d473f09893b Mon Sep 17 00:00:00 2001
From: Biswapriyo Nath <nathbappai@gmail.com>
Date: Thu, 16 Oct 2025 07:19:44 +0000
Subject: [PATCH] qalculate-qt: add pthread library to linker flags

---
 mingw-w64-qalculate-qt/0001-qmake-add-pthread.patch | 11 +++++++++++
 mingw-w64-qalculate-qt/PKGBUILD                     | 13 +++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 mingw-w64-qalculate-qt/0001-qmake-add-pthread.patch

diff --git a/mingw-w64-qalculate-qt/0001-qmake-add-pthread.patch b/mingw-w64-qalculate-qt/0001-qmake-add-pthread.patch
new file mode 100644
index 0000000000..e329ede1f1
--- /dev/null
+++ b/mingw-w64-qalculate-qt/0001-qmake-add-pthread.patch
@@ -0,0 +1,11 @@
+--- a/qalculate-qt.pro
++++ b/qalculate-qt.pro
+@@ -27,7 +27,7 @@
+ TARGET = qalculate-qt
+ INCLUDEPATH += src
+ win32: {
+-	LIBS += -lqalculate -lxml2 -lmpfr -liconv -lintl -lgmp -licuuc -lcurl
++	LIBS += -lqalculate -lxml2 -lmpfr -liconv -lintl -lgmp -licuuc -lcurl -lpthread
+ 	CONFIG += c++17
+ } else {
+ 	CONFIG += link_pkgconfig
diff --git a/mingw-w64-qalculate-qt/PKGBUILD b/mingw-w64-qalculate-qt/PKGBUILD
index 5b9d47aa0e..b45f1ea0f5 100644
--- a/mingw-w64-qalculate-qt/PKGBUILD
+++ b/mingw-w64-qalculate-qt/PKGBUILD
@@ -13,6 +13,7 @@ msys2_repository_url='https://github.com/Qalculate/qalculate-qt'
 license=('spdx:GPL-2.0-or-later')
 depends=(
   "${MINGW_PACKAGE_PREFIX}-libqalculate"
+  "${MINGW_PACKAGE_PREFIX}-libwinpthread"
   "${MINGW_PACKAGE_PREFIX}-qt6-base"
   "${MINGW_PACKAGE_PREFIX}-qt6-svg"
 )
@@ -20,9 +21,17 @@ makedepends=(
   "${MINGW_PACKAGE_PREFIX}-cc"
   "${MINGW_PACKAGE_PREFIX}-pkgconf"
   "${MINGW_PACKAGE_PREFIX}-qt6-tools"
+  "${MINGW_PACKAGE_PREFIX}-winpthreads"
 )
-source=("https://github.com/Qalculate/qalculate-qt/releases/download/v${pkgver}/${_realname}-${pkgver}.tar.gz")
-sha256sums=('7c8e3074b709177462ead9b2b36736b18f1cb0f8e88dda3608911b9f7491c8e6')
+source=("https://github.com/Qalculate/qalculate-qt/releases/download/v${pkgver}/${_realname}-${pkgver}.tar.gz"
+        0001-qmake-add-pthread.patch)
+sha256sums=('7c8e3074b709177462ead9b2b36736b18f1cb0f8e88dda3608911b9f7491c8e6'
+            '1e2994244bee6e3b4e58a3e4d7e2cb23629cec3b8fc5ca9ff958860e89626c5e')
+
+prepare() {
+  cd "${_realname}-${pkgver}"
+  patch -p1 -i "${srcdir}"/0001-qmake-add-pthread.patch
+}
 
 build() {
   cd "${_realname}-${pkgver}"