Actually gpm is needed

.github/workflows/build.yml

@@ -480,6 +480,7 @@ jobs:
       MBEDTLS_VERSION: 3.5.2
       LIBUSB_VERSION: 1.0.26
       READLINE_VERSION: 8.2
+      GPM_VERSION: 1.20.7
 
     steps:
       - name: Checkout
@@ -550,11 +551,13 @@ jobs:
           curl -LOOOOOOO \
             https://github.com/Mbed-TLS/mbedtls/archive/refs/tags/v${{ env.MBEDTLS_VERSION }}.tar.gz \
             https://github.com/libusb/libusb/releases/download/v${{ env.LIBUSB_VERSION }}/libusb-${{ env.LIBUSB_VERSION }}.tar.bz2 \
-            https://mirror-hk.koddos.net/gnu/readline/readline-${{ env.READLINE_VERSION }}.tar.gz
+            https://mirror-hk.koddos.net/gnu/readline/readline-${{ env.READLINE_VERSION }}.tar.gz \
+            https://github.com/telmich/gpm/archive/refs/tags/${{ env.GPM_VERSION }}.tar.gz
 
           tar -xf v${{ env.MBEDTLS_VERSION }}.tar.gz
           tar -xjf libusb-${{ env.LIBUSB_VERSION }}.tar.bz2
           tar -xf readline-${{ env.READLINE_VERSION }}.tar.gz
+          tar -xf ${{ env.GPM_VERSION }}.tar.gz
           git clone --depth=1 https://github.com/libimobiledevice/libplist
           git clone --depth=1 https://github.com/libimobiledevice/libimobiledevice-glue
           git clone --depth=1 https://github.com/libimobiledevice/libirecovery
@@ -602,6 +605,17 @@ jobs:
           make -j$(nproc) install DESTDIR=${{ env.DESTDIR }}
           cd ..
 
+      - name: Build GPM
+        run: |
+          cd gpm-${{ env.GPM_VERSION }}
+          cat ../patches/gpm/*.patch | patch -sN -d . -p1
+          ./autogen.sh
+          ./configure \
+            ${{ env.CONFIGURE_ARGS }}
+          gmake -j$(sysctl -n hw.ncpu)
+          gmake -j$(sysctl -n hw.ncpu) install DESTDIR=${{ env.DESTDIR }}
+          cd ..
+
       - name: Build libplist
         run: |
           cd libplist