Fixed brew pkgconf pipeline test failure

brew.yaml

@@ -1,7 +1,7 @@
 package:
   name: brew
   version: "4.4.28"
-  epoch: 0
+  epoch: 1
   description: "The homebrew package manager"
   copyright:
     - license: BSD-2-Clause
@@ -54,6 +54,22 @@ pipeline:
       set -x
       mkdir -p ${{targets.destdir}}/home/linuxbrew/.linuxbrew/
       cp -a ./brew/bin/ ./brew/Library/ ./brew/package/ ${{targets.destdir}}/home/linuxbrew/.linuxbrew/
+
+      # Relocate .pc files to /usr/lib/pkgconfig
+      mkdir -p "${{targets.destdir}}"/usr/lib/pkgconfig/
+
+      find ${{targets.destdir}}/home/linuxbrew -type f -name "*.pc" | while read -r pc_file; do
+        dname=$(printf "${pc_file}" | sed -e "s,${{targets.destdir}},,")
+        dname=$(dirname "${dname}")
+        # Adjust "pcfiledir" so that it reflects the right location of each .pc file.
+        if grep -q "pcfiledir" "${pc_file}"; then
+          sed -i -e "s,\${pcfiledir},${dname}," "${pc_file}"
+        fi
+        # Move the .pc file to /usr/lib/pkgconfig/
+        mv "${pc_file}" "${{targets.destdir}}"/usr/lib/pkgconfig/
+      done
+
+      # Create profile.d script
       mkdir -p ${{targets.destdir}}/etc/profile.d/
       echo "export PATH=\$PATH:/home/linuxbrew/.linuxbrew/bin" > ${{targets.destdir}}/etc/profile.d/brew.sh
       echo "export HOMEBREW_NO_AUTO_UPDATE=1" >> ${{targets.destdir}}/etc/profile.d/brew.sh
@@ -83,3 +99,4 @@ test:
         . /etc/profile.d/brew.sh
         HOME=/root brew --version
     - uses: test/tw/ldd-check
+    - uses: test/pkgconf