diff --git a/mingw-w64-judy/0001-judy-no-undefined.patch b/mingw-w64-judy/0001-judy-no-undefined.patch
new file mode 100644
index 0000000000..a1f053ce90
--- /dev/null
+++ b/mingw-w64-judy/0001-judy-no-undefined.patch
@@ -0,0 +1,12 @@
+diff --git a/src/obj/Makefile.am b/src/obj/Makefile.am
+index 7195238..ad48bf6 100644
+--- a/src/obj/Makefile.am
++++ b/src/obj/Makefile.am
+@@ -10,6 +10,6 @@ libJudy_la_SOURCES =
+ 
+ libJudy_la_LIBADD = ../JudyCommon/*.lo ../JudyL/*.lo ../Judy1/*.lo ../JudyHS/*.lo ../JudySL/*.lo 
+ 
+-libJudy_la_LDFLAGS = @VERSION_INFO@
++libJudy_la_LDFLAGS = @VERSION_INFO@ -no-undefined
+ 
+ DISTCLEANFILES = .deps Makefile
diff --git a/mingw-w64-judy/PKGBUILD b/mingw-w64-judy/PKGBUILD
new file mode 100644
index 0000000000..99aa352be5
--- /dev/null
+++ b/mingw-w64-judy/PKGBUILD
@@ -0,0 +1,80 @@
+# Maintainer: Yang Kun <ikspress@outlook.com>
+
+_realname=judy
+pkgbase=mingw-w64-${_realname}
+pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
+pkgver=1.0.5
+pkgrel=1
+pkgdesc='C library for creating and accessing dynamic arrays'
+arch=('any')
+mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
+license=('spdx:LGPL-2.1-or-later')
+makedepends=("${MINGW_PACKAGE_PREFIX}-autotools"
+             "${MINGW_PACKAGE_PREFIX}-cc")
+url='http://judy.sourceforge.net'
+source=("https://downloads.sourceforge.net/judy/Judy-${pkgver}.tar.gz"
+        "0001-judy-no-undefined.patch"
+        # https://sources.debian.org/patches/judy/latest/
+        "https://sources.debian.org/data/main/j/judy/1.0.5-5.1/debian/patches/04_fix_undefined_bahavior_during_aggressive_loop_optimizations.patch"
+        # https://sourceforge.net/p/judy/patches/6/
+        "https://sourceforge.net/p/judy/patches/6/attachment/0001-automake-Makefile.am-use-relocatable-srcdir-when-app.patch"
+        "https://sourceforge.net/p/judy/patches/6/attachment/0002-doc-Makefile.am-mkdir-p-man-man3-and-parallel-buildi.patch"
+        "https://sourceforge.net/p/judy/patches/6/attachment/0003-Win64-Fixup-WORD_T-and-UL-suffixes-for-llp64-data-mo.patch")
+sha256sums=('d2704089f85fdb6f2cd7e77be21170ced4b4375c03ef1ad4cf1075bd414a63eb'
+            '4ab00dee64c79c3296ae7bc12429411bf7e361aedd583f268c0ad40c2083080e'
+            'e70bab80362bb72f93f39d684b496a2dadb46f8da2469b76a9d5d2a064fd7274'
+            '96e0ad7536f45e9bbbf2f6e9f6de12f74f1a9c349fcbd0d44db52b3c1231140a'
+            '73da528014ee64b239d5db2aaf3d69682424e9cf6318dbc034e2e52e05deecff'
+            '30dfe143bda003cbcfe90d90328f8caf8122406145d7c03f3c1b19620a11359f')
+
+apply_patch_with_msg() {
+  for _patch in "$@"; do
+    msg2 "Applying ${_patch}"
+    patch -Nbp1 -i "${srcdir}/${_patch}"
+  done
+}
+
+prepare() {
+  cd "Judy-${pkgver}"
+
+  apply_patch_with_msg 0001-judy-no-undefined.patch
+
+  # Apply patches from Debian
+  apply_patch_with_msg \
+    04_fix_undefined_bahavior_during_aggressive_loop_optimizations.patch
+
+  # Apply patches from SourceForge
+  apply_patch_with_msg \
+    0001-automake-Makefile.am-use-relocatable-srcdir-when-app.patch \
+    0002-doc-Makefile.am-mkdir-p-man-man3-and-parallel-buildi.patch \
+    0003-Win64-Fixup-WORD_T-and-UL-suffixes-for-llp64-data-mo.patch
+
+  autoreconf -fi
+}
+
+build() {
+  mkdir -p "build-${MSYSTEM}" && cd "build-${MSYSTEM}"
+
+  mkdir -p "doc/man/man3"
+
+  ../Judy-${pkgver}/configure \
+    --prefix="${MINGW_PREFIX}" \
+    --build="${MINGW_CHOST}" \
+    --host="${MINGW_CHOST}" \
+    --target="${MINGW_CHOST}"
+
+  make
+}
+
+package() {
+  cd "build-${MSYSTEM}"
+
+  make install DESTDIR="${pkgdir}"
+
+  # Add section number to file extension
+  for file in "${pkgdir}${MINGW_PREFIX}/share/man/man3/"*; do
+    mv "${file}" "${file%.*}.3"
+  done
+
+  install -Dm644 "${srcdir}/Judy-${pkgver}/COPYING" -t "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}"
+}