diff --git a/extra/gnome-builder/PKGBUILD b/extra/gnome-builder/PKGBUILD
new file mode 100644
index 000000000..046b1b2d0
--- /dev/null
+++ b/extra/gnome-builder/PKGBUILD
@@ -0,0 +1,84 @@
+# Maintainer: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
+
+# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
+#  - upstream patch to fix 32bit FTBFS
+
+pkgbase=gnome-builder
+pkgname=(gnome-builder gnome-builder-libide-docs)
+pkgver=41.3
+pkgrel=2
+pkgdesc="An IDE for writing GNOME-based software"
+url="https://wiki.gnome.org/Apps/Builder"
+arch=(x86_64)
+license=(GPL3)
+depends=(gtksourceview4 devhelp libgit2-glib gjs python-gobject sysprof
+         desktop-file-utils ctags libpeas vte3 vala autoconf-archive
+         gspell libdazzle template-glib jsonrpc-glib python-sphinx webkit2gtk
+         glade python-lxml meson libportal-gtk3 cmark)
+makedepends=(llvm gobject-introspection gi-docgen yelp-tools appstream-glib git
+             mm-common python-sphinx_rtd_theme clang jedi-language-server
+             flatpak-builder)
+checkdepends=(xorg-server-xvfb)
+_commit=21c097851240dc1242e9fbd819e7d9acf6e6af9c  # tags/41.3^0
+source=("git+https://gitlab.gnome.org/GNOME/gnome-builder.git#commit=$_commit"
+        libportal-0.5.diff
+        https://gitlab.gnome.org/GNOME/gnome-builder/-/commit/fcf976d5fcfb81d14ea0ec9b9909bc9b8dc52a81.patch)
+sha256sums=('SKIP'
+            '350dd0e5b8dc4d7ecdf3284e91983fe8d890ab453df6c5b218af8a6b6e7e7280'
+            '32e1e3801ef8180d446c401c92965672710a97ce2a854cc22fe1e47de3ba2412')
+
+pkgver() {
+  cd $pkgbase
+  git describe --tags | sed 's/^GNOME_BUILDER_//;s/[^-]*-g/r&/;s/_/./g;s/-/+/g'
+}
+
+prepare() {
+  cd $pkgbase
+
+  # libportal 0.5
+  git apply -3 ../libportal-0.5.diff
+  git apply ../fcf976d5fcfb81d14ea0ec9b9909bc9b8dc52a81.patch
+}
+
+build() {
+  arch-meson $pkgbase build \
+    -D docs=true \
+    -D help=true
+  meson compile -C build
+}
+
+check() {
+  dbus-run-session xvfb-run -s '-nolisten local' \
+    meson test -C build --print-errorlogs
+}
+
+_pick() {
+  local p="$1" f d; shift
+  for f; do
+    d="$srcdir/$p/${f#$pkgdir/}"
+    mkdir -p "$(dirname "$d")"
+    mv "$f" "$d"
+    rmdir -p --ignore-fail-on-non-empty "$(dirname "$f")"
+  done
+}
+
+package_gnome-builder() {
+  depends+=(libgladeui-2.so)
+  optdepends=('gnome-code-assistance: Legacy assistance services'
+              'clang: C/C++ code assistance'
+              'jedi-language-server: Python code assistance'
+              'flatpak-builder: Build Flatpaks')
+  groups=(gnome-extra)
+
+  meson install -C build --destdir "$pkgdir"
+
+  _pick libide-docs "$pkgdir"/usr/share/doc/libide
+}
+
+package_gnome-builder-libide-docs() {
+  pkgdesc+=" (libide API documentation)"
+  depends=()
+  mv libide-docs/* "$pkgdir"
+}
+
+# vim:set sw=2 et:
diff --git a/extra/gnome-builder/libportal-0.5.diff b/extra/gnome-builder/libportal-0.5.diff
new file mode 100644
index 000000000..6bfbc6a65
--- /dev/null
+++ b/extra/gnome-builder/libportal-0.5.diff
@@ -0,0 +1,52 @@
+diff --git i/meson.build w/meson.build
+index 71e4be94c..a6257e535 100644
+--- i/meson.build
++++ w/meson.build
+@@ -284,7 +284,7 @@ libjsonrpc_glib_dep = dependency('jsonrpc-glib-1.0', version: '>= 3.29.91')
+ libm_dep = cc.find_library('m', required: false)
+ libpangoft2_dep = dependency('pangoft2', version: '>= 1.38.0')
+ libpeas_dep = dependency('libpeas-1.0', version: '>= 1.22.0')
+-libportal_dep = dependency('libportal', version: '>= 0.3', required: false)
++libportal_dep = dependency('libportal-gtk3', version: '>= 0.5', required: false)
+ libtemplate_glib_dep = dependency('template-glib-1.0', version: '>= 3.28.0')
+ libvte_dep = dependency('vte-2.91', version: '>= 0.40.2')
+ libwebkit_dep = dependency('webkit2gtk-4.0', version: '>= 2.26', required: false)
+diff --git i/src/gstyle/gstyle-color-panel.c w/src/gstyle/gstyle-color-panel.c
+index 15742a7be..a6295c168 100644
+--- i/src/gstyle/gstyle-color-panel.c
++++ w/src/gstyle/gstyle-color-panel.c
+@@ -30,7 +30,7 @@
+ #include "gstyle-color.h"
+ 
+ #include <libportal/portal.h>
+-#include <libportal/portal-gtk3.h>
++#include <libportal-gtk3/portal-gtk3.h>
+ 
+ #define HSV_TO_SCALE_FACTOR (1.0 / 256.0)
+ #define CIELAB_L_TO_SCALE_FACTOR (100.0 / 256.0)
+diff --git i/src/plugins/devhelp/gbp-devhelp-page.c w/src/plugins/devhelp/gbp-devhelp-page.c
+index 5d5c52b0d..2ac788414 100644
+--- i/src/plugins/devhelp/gbp-devhelp-page.c
++++ w/src/plugins/devhelp/gbp-devhelp-page.c
+@@ -25,7 +25,7 @@
+ #include <webkit2/webkit2.h>
+ 
+ #include <libportal/portal.h>
+-#include <libportal/portal-gtk3.h>
++#include <libportal-gtk3/portal-gtk3.h>
+ 
+ #include "gbp-devhelp-page.h"
+ #include "gbp-devhelp-search.h"
+diff --git i/src/plugins/open-with-external/gbp-owe-workbench-addin.c w/src/plugins/open-with-external/gbp-owe-workbench-addin.c
+index 51d2da844..816fe643f 100644
+--- i/src/plugins/open-with-external/gbp-owe-workbench-addin.c
++++ w/src/plugins/open-with-external/gbp-owe-workbench-addin.c
+@@ -23,7 +23,7 @@
+ #include "gbp-owe-workbench-addin.h"
+ 
+ #include <libportal/portal.h>
+-#include <libportal/portal-gtk3.h>
++#include <libportal-gtk3/portal-gtk3.h>
+ 
+ struct _GbpOweWorkbenchAddin
+ {