mozconfig pgo

.mozconfig-x86_64-pc-linux-gnu

@@ -30,14 +30,22 @@ ac_add_options --disable-tests
 
 ac_add_options --enable-alsa
 ac_add_options --enable-application=browser
-ac_add_options --enable-bootstrap
+ac_add_options --enable-bootstrap=-clang,-sccache
 if test -x "$(command -v sccache)"; then
  ac_add_options --with-ccache=sccache
 elif test -f "$HOME/.mozbuild/sccache/sccache"; then
  ac_add_options --with-ccache="$HOME"/.mozbuild/sccache/sccache
 fi
 ac_add_options --enable-install-strip
 ac_add_options --enable-jxl
+ac_add_options --enable-linker=lld
+if test "$GEN_PGO"; then
+ ac_add_options --enable-profile-generate
+elif test "$USE_PGO"; then
+ ac_add_options --enable-profile-use
+ ac_add_options --with-pgo-jarlog=$PWD/en-US.log
+ ac_add_options --with-pgo-profile-path=$PWD/merged.profdata
+fi
 ac_add_options --enable-pulseaudio
 ac_add_options --enable-strip
 if test "$WFX_RELEASE"; then