From 200d4c4a6c28db52fe6e037642bee4917795fd5f Mon Sep 17 00:00:00 2001
From: Levon Gevorgyan <lgevorgyan03@gmail.com>
Date: Sun, 21 Dec 2025 11:26:05 -0600
Subject: [PATCH] don't really care about pgo for rust

---
 lib/build.sh | 20 ++++++++++++--------
 lib/pgo.sh   |  3 ++-
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/lib/build.sh b/lib/build.sh
index 54c22c6..8c07682 100644
--- a/lib/build.sh
+++ b/lib/build.sh
@@ -26,6 +26,7 @@ set_compile_opts() {
 		FFMPEG_EXTRA_FLAGS
 		CARGO_CINSTALL_FLAGS
 		LTO_FLAG
+		PGO_FLAG
 		LIB_SUFF
 		BUILD_TYPE
 	)
@@ -169,13 +170,13 @@ exec \"${realT}\" ${addFlag} \"\$@\"" >"${compilerDir}/${genericT}"
 	# second run will be to use generated profdata
 	if [[ ${PGO} == 'ON' ]]; then
 		if [[ ${PGO_RUN} == 'generate' ]]; then
-			local pgoFlag="-fprofile-generate"
-			CFLAGS_ARR+=("${pgoFlag}")
-			LDFLAGS_ARR+=("${pgoFlag}")
+			PGO_FLAG="-fprofile-generate"
+			CFLAGS_ARR+=("${PGO_FLAG}")
+			LDFLAGS_ARR+=("${PGO_FLAG}")
 		else
-			local pgoFlag="-fprofile-use=${PGO_PROFDATA}"
-			CFLAGS_ARR+=("${pgoFlag}")
-			LDFLAGS_ARR+=("${pgoFlag}")
+			PGO_FLAG="-fprofile-use=${PGO_PROFDATA}"
+			CFLAGS_ARR+=("${PGO_FLAG}")
+			LDFLAGS_ARR+=("${PGO_FLAG}")
 		fi
 	fi
 
@@ -661,8 +662,11 @@ del_pkgconfig_gcc_s() {
 ### RUST ###
 meta_cargoc_build() {
 	local destdir="${PWD}/fb-local-install"
-	# let rust handle its own lto
-	CFLAGS="${CFLAGS//${LTO_FLAG}/}" cargo cinstall \
+	# let rust handle its own lto/pgo
+	local newCflags="${CFLAGS//${LTO_FLAG}/}"
+	newCflags="${newCflags//${PGO_FLAG}/}"
+
+	CFLAGS="${newCflags}" cargo cinstall \
 		--destdir "${destdir}" \
 		"${CARGO_CINSTALL_FLAGS[@]}" || return 1
 	# cargo cinstall destdir prepends with entire prefix
diff --git a/lib/pgo.sh b/lib/pgo.sh
index 1c6212f..45c8bae 100644
--- a/lib/pgo.sh
+++ b/lib/pgo.sh
@@ -13,8 +13,9 @@ gen_profdata() {
 		# make fhd preset 2
 		line_contains "${vid}" 'fhd' && args+=(-P 2)
 
+		echo_info "encoding pgo vid: ${vid}"
 		LLVM_PROFILE_FILE="${PGO_DIR}/default_%p.profraw" \
-			encode -i "${vid}" "${args[@]}" "encoded-${vid}" || return 1
+			echo_if_fail encode -i "${vid}" "${args[@]}" "encoded-${vid}" || return 1
 	done
 
 	# merge profraw into profdata