From 59277bccd3834fafa775ad4e7ab11b281dcd44b2 Mon Sep 17 00:00:00 2001
From: Clemens Wasser <clemens.wasser@gmail.com>
Date: Fri, 16 Jun 2023 21:17:29 +0200
Subject: [PATCH] bzip: Precompile common expensive headers

---
 Utilities/cmbzip2/CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Utilities/cmbzip2/CMakeLists.txt b/Utilities/cmbzip2/CMakeLists.txt
index 1d7b265d4c..b52358e2d4 100644
--- a/Utilities/cmbzip2/CMakeLists.txt
+++ b/Utilities/cmbzip2/CMakeLists.txt
@@ -19,3 +19,7 @@ endif()
 add_definitions(-D_FILE_OFFSET_BITS=64)
 add_library(cmbzip2
   blocksort.c huffman.c crctable.c randtable.c compress.c decompress.c bzlib.c)
+
+if(WIN32 AND CMake_BUILD_PCH)
+  target_precompile_headers(cmbzip2 PRIVATE "bzlib.h")
+endif()