From 8e97b159b28ce4b21d183ff68983b5b727fa2c1b Mon Sep 17 00:00:00 2001
From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
Date: Sat, 16 Jan 2021 22:50:02 +0100
Subject: [PATCH] Allow to skip recording build user+host

if the SOURCE_DATE_EPOCH variable is set,
this indicates that a reproducible build is wanted.

This PR was done while working on reproducible builds for openSUSE.
---
 src/libcec/cmake/SetBuildInfo.cmake | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/libcec/cmake/SetBuildInfo.cmake b/src/libcec/cmake/SetBuildInfo.cmake
index 3402f9f8..29e4e70a 100644
--- a/src/libcec/cmake/SetBuildInfo.cmake
+++ b/src/libcec/cmake/SetBuildInfo.cmake
@@ -31,6 +31,9 @@ else()
   find_program(HAVE_WHOAMI_BIN whoami /bin /usr/bin /usr/local/bin)
   if(HAVE_WHOAMI_BIN)
     exec_program(whoami OUTPUT_VARIABLE BUILD_USER)
+    if (DEFINED ENV{SOURCE_DATE_EPOCH})
+      set(BUILD_USER "(reproducible)")
+    endif()
     set(LIB_INFO "${LIB_INFO} by ${BUILD_USER}")
   else()
     set(LIB_INFO "${LIB_INFO} by (unknown user)")
@@ -44,6 +47,9 @@ else()
     if (RETURN_HOST)
       exec_program(hostname OUTPUT_VARIABLE BUILD_HOST)
     endif()
+    if (DEFINED ENV{SOURCE_DATE_EPOCH})
+      set(BUILD_HOST "(reproducible)")
+    endif()
     set(LIB_INFO "${LIB_INFO}@${BUILD_HOST}")
   endif()