From 9d7921d3886e27f3d564d1f680b318766b9786e7 Mon Sep 17 00:00:00 2001
From: Clemens Wasser <clemens.wasser@gmail.com>
Date: Fri, 16 Jun 2023 21:18:43 +0200
Subject: liblzma: Precompile common expensive headers

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

diff --git a/Utilities/cmliblzma/CMakeLists.txt b/Utilities/cmliblzma/CMakeLists.txt
index 3121fbe..3ba3ce9 100644
--- a/Utilities/cmliblzma/CMakeLists.txt
+++ b/Utilities/cmliblzma/CMakeLists.txt
@@ -186,4 +186,8 @@ ELSEIF((CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "LCC"
   SET_PROPERTY(TARGET cmliblzma PROPERTY COMPILE_FLAGS "-O0")
 ENDIF()
 
+if(WIN32 AND CMake_BUILD_PCH)
+  target_precompile_headers(cmliblzma PRIVATE "common/mythread.h")
+endif()
+
 INSTALL(FILES COPYING DESTINATION ${CMAKE_DOC_DIR}/cmliblzma)
-- 
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