From b80f849b93e79a6dd5afadbb31cba3d94880f4ed Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Fri, 26 Nov 2021 04:55:17 +0300
Subject: [PATCH] Reproducible builds

---
 CMakeLists.txt | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1192c747347..2ac02fe2aef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -169,9 +169,7 @@ endif ()
 include (cmake/check_flags.cmake)
 include (cmake/add_warning.cmake)
 
-if (NOT MSVC)
-    set (COMMON_WARNING_FLAGS "${COMMON_WARNING_FLAGS} -Wall")    # -Werror and many more is also added inside cmake/warnings.cmake
-endif ()
+set (COMMON_WARNING_FLAGS "${COMMON_WARNING_FLAGS} -Wall")    # -Werror and many more is also added inside cmake/warnings.cmake
 
 if (COMPILER_CLANG)
     # clang: warning: argument unused during compilation: '-specs=/usr/share/dpkg/no-pie-compile.specs' [-Wunused-command-line-argument]
@@ -312,6 +310,9 @@ include(cmake/cpu_features.cmake)
 # Enable it explicitly.
 set (COMPILER_FLAGS "${COMPILER_FLAGS} -fasynchronous-unwind-tables")
 
+# Reproducible builds
+set (COMPILER_FLAGS "${COMPILER_FLAGS} -ffile-prefix-map=${CMAKE_SOURCE_DIR}=.")
+
 if (${CMAKE_VERSION} VERSION_LESS "3.12.4")
     # CMake < 3.12 doesn't support setting 20 as a C++ standard version.
     # We will add C++ standard controlling flag in CMAKE_CXX_FLAGS manually for now.