Add needed functions to glibc-compat for pkg

ports/glib/build.sh

Index: ports/glib/build.sh
diff --git a/ports/glib/build.sh b/ports/glib/build.sh
index 9b75df6b742c26c6159050f8da30941472c9792d..feae2e3f99915b0df4d17cfe4f53b1b0bbf58fdc 100644
--- a/ports/glib/build.sh
+++ b/ports/glib/build.sh
@@ -61,3 +61,16 @@ ConfigureStep() {
     --${NACL_OPTION}-sse2 \
     --${NACL_OPTION}-asm
 }
+
+InstallStep() {
+  DefaultInstallStep
+  # fix pkgconfig files to explicitly include libffi
+  # for things that depend on glib
+  sed -i 's/-lglib-2.0 -lintl/-lglib-2.0 -lffi -lintl/'\
+      ${INSTALL_DIR}/naclports-dummydir/lib/pkgconfig/glib-2.0.pc
+
+  if [ "${NACL_LIBC}" = "newlib" ]; then
+      sed -i 's/-lffi -lintl/-lffi -lglibc-compat -lintl/'\
+          ${INSTALL_DIR}/naclports-dummydir/lib/pkgconfig/glib-2.0.pc
+  fi
+}