From f69e42a43cde36ec670d27c93a60bf316a589cec Mon Sep 17 00:00:00 2001
From: Francesco Abbate <francesco.bbt@gmail.com>
Date: Sun, 5 Sep 2021 15:43:22 +0200
Subject: [PATCH] Bring back pgo option in new build package script

---
 build-packages.sh | 10 +++++++++-
 scripts/build.sh  | 15 +++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/build-packages.sh b/build-packages.sh
index 6014be96..4ecda0a0 100755
--- a/build-packages.sh
+++ b/build-packages.sh
@@ -25,6 +25,8 @@ show_help() {
   echo "-f --forcefallback        Force to build subprojects dependencies statically."
   echo "-B --bundle               Create an App bundle (macOS only)"
   echo "-P --portable             Create a portable package."
+  echo "-O --pgo                  Use profile guided optimizations (pgo)."
+  echo "                          Requires running the application iteractively."
   echo
   echo "Package options:"
   echo
@@ -55,6 +57,7 @@ main() {
   local bundle
   local innosetup
   local portable
+  local pgo
 
   for i in "$@"; do
     case $i in
@@ -110,6 +113,10 @@ main() {
         source="--source"
         shift
         ;;
+      -O|--pgo)
+        pgo="--pgo"
+        shift
+        ;;
       --debug)
         debug="--debug"
         set -x
@@ -137,7 +144,8 @@ main() {
     $debug \
     $force_fallback \
     $bundle \
-    $portable
+    $portable \
+    $pgo
 
   source scripts/package.sh \
     ${build_dir_option[@]} \
diff --git a/scripts/build.sh b/scripts/build.sh
index 7ceb3ce4..75212468 100644
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -21,6 +21,7 @@ show_help() {
   echo "-p --prefix PREFIX        Install directory prefix. Default: '/'."
   echo "-B --bundle               Create an App bundle (macOS only)"
   echo "-P --portable             Create a portable binary package."
+  echo "-O --pgo                  Use profile guided optimizations (pgo)."
   echo "                          macOS: disabled when used with --bundle,"
   echo "                          Windows: Implicit being the only option."
   echo
@@ -33,6 +34,7 @@ main() {
   local force_fallback
   local bundle
   local portable
+  local pgo
 
   for i in "$@"; do
     case $i in
@@ -70,6 +72,10 @@ main() {
         portable="-Dportable=true"
         shift
         ;;
+      -O|--pgo)
+        pgo="-Db_pgo=generate"
+        shift
+        ;;
       *)
         # unknown option
         ;;
@@ -94,9 +100,18 @@ main() {
     $force_fallback \
     $bundle \
     $portable \
+    $pgo \
     "${build_dir}"
 
   meson compile -C "${build_dir}"
+
+  if [ ! -z ${pgo+x} ]; then
+    cp -r data "${build_dir}/src"
+    "${build_dir}/src/lite-xl"
+    meson configure -Db_pgo=use "${build_dir}"
+    meson compile -C "${build_dir}"
+    rm -fr "${build_dir}/data"
+  fi
 }
 
 main "$@"