g++: error: -pie is not supported in this configuration
make[4]: *** [/ws/grzemba/oi-userland/components/web/firefox/firefox-68.12.0/config/rules.mk:540: ../../../dist/bin/js] Error 1
make[4]: Leaving directory '/ws/grzemba/oi-userland/components/web/firefox/build/amd64/js/src/shell'
--- gecko-dev-16a5f0e868a01d3f3a4a7364206bef2a64e80735/build/moz.configure/flags.configure.old	2024-06-30 12:42:44.175625854 -0400
+++ gecko-dev-16a5f0e868a01d3f3a4a7364206bef2a64e80735/build/moz.configure/flags.configure	2024-06-30 12:43:46.927628117 -0400
@@ -509,9 +509,10 @@
 
 # MOZ_PROGRAM_LDFLAGS
 # ---------------------------------
+# On Illumos, there was an error using -pie with g++ for Firefox 68
 @depends(building_with_gnu_compatible_cc, target)
 def moz_program_ldflags(building_with_gnu_compatible_cc, target):
-    if building_with_gnu_compatible_cc and target.kernel not in ("Darwin", "WASI"):
+    if building_with_gnu_compatible_cc and target.kernel not in ("Darwin", "WASI", "SunOS"):
         return ["-pie"]