File remove-hostname.patch of Package lsof

From 264aa7cd33038d4b46e54c320676ba694f3118e9 Mon Sep 17 00:00:00 2001
From: Danilo Spinella <danilo.spinella@suse.com>
Date: Mon, 23 May 2022 15:50:29 +0200
Subject: [PATCH] linux: Make build reproducible by default

Make build reproducible by checking SOURCE_DATE_EPOCH
and considering LSOF_{HOST,LOGNAME,SYSINFO,USER} as "none" when
it is set.
---
 00DIST                  |  5 +++++
 dialects/linux/Makefile | 22 +++++++++++++++++++---
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/dialects/linux/Makefile b/dialects/linux/Makefile
index 108f7dc..176a4c2 100644
--- a/dialects/linux/Makefile
+++ b/dialects/linux/Makefile
@@ -89,7 +89,11 @@ version.h:	FRC
 	@echo '#define	LSOF_CCFLAGS	"'`echo ${CFLAGS} | sed 's/\\\\(/\\(/g' | sed 's/\\\\)/\\)/g' | sed 's/"/\\\\"/g'`'"' >> version.h
 	@echo '#define	LSOF_CINFO	"${CINFO}"' >> version.h
 	@if [ "X${LSOF_HOST}" = "X" ]; then \
-	  echo '#define	LSOF_HOST	"'`uname -n`'"' >> version.h; \
+	  if [ "X${SOURCE_DATE_EPOCH}" = "X" ]; then \
+	    echo '#define	LSOF_HOST	"'`uname -n`'"' >> version.h; \
+	  else \
+	    echo '#define	LSOF_HOST	""' >> version.h; \
+	  fi \
 	else \
 	  if [ "${LSOF_HOST}" = "none" ]; then \
 	    echo '#define	LSOF_HOST	""' >> version.h; \
@@ -99,7 +103,11 @@ version.h:	FRC
 	fi
 	@echo '#define	LSOF_LDFLAGS	"${CFGL}"' >> version.h
 	@if [ "X${LSOF_LOGNAME}" = "X" ]; then \
-	  echo '#define	LSOF_LOGNAME	"${LOGNAME}"' >> version.h; \
+	  if [ "X${SOURCE_DATE_EPOCH}" = "X" ]; then \
+	    echo '#define	LSOF_LOGNAME	"${LOGNAME}"' >> version.h; \
+	  else \
+	    echo '#define	LSOF_LOGNAME	""' >> version.h; \
+	  fi \
 	else \
 	  if [ "${LSOF_LOGNAME}" = "none" ]; then \
 	    echo '#define	LSOF_LOGNAME	""' >> version.h; \
@@ -108,7 +116,11 @@ version.h:	FRC
 	  fi; \
 	fi
 	@if [ "X${LSOF_SYSINFO}" = "X" ]; then \
+	  if [ "X${SOURCE_DATE_EPOCH}" = "X" ]; then \
 	    echo '#define	LSOF_SYSINFO	"'`uname -a`'"' >> version.h; \
+	  else \
+	    echo '#define	LSOF_SYSINFO	""' >> version.h; \
+	  fi \
 	else \
 	  if [ "${LSOF_SYSINFO}" = "none" ]; then \
 	    echo '#define	LSOF_SYSINFO	""' >> version.h; \
@@ -117,7 +129,11 @@ version.h:	FRC
 	  fi \
 	fi
 	@if [ "X${LSOF_USER}" = "X" ]; then \
-	  echo '#define	LSOF_USER	"${USER}"' >> version.h; \
+	  if [ "X${SOURCE_DATE_EPOCH}" = "X" ]; then \
+	    echo '#define	LSOF_USER	"${USER}"' >> version.h; \
+	  else \
+	    echo '#define	LSOF_USER	""' >> version.h; \
+	  fi \
 	else \
 	  if [ "${LSOF_USER}" = "none" ]; then \
 	    echo '#define	LSOF_USER	""' >> version.h; \