lsof: reproducible build

- clear build host and user info
- clear compiler flags
- set date to SOURCE_DATE_EPOCH

Signed-off-by: Maxim Storchak <m.storchak@gmail.com>

utils/lsof/Makefile

@@ -10,7 +10,7 @@ include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=lsof
 PKG_VERSION:=4.89
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)_$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=https://www.mirrorservice.org/sites/lsof.itap.purdue.edu/pub/tools/unix/lsof/ ftp://sunsite.ualberta.ca/pub/Mirror/lsof/ ftp://ftp.fu-berlin.de/pub/unix/tools/lsof
@@ -57,6 +57,10 @@ define Build/Configure
 endef
 
 define Build/Compile	
+	LSOF_HOST="none" \
+	LSOF_LOGNAME="none" \
+	LSOF_SYSINFO="none" \
+	LSOF_USER="none" \
 	$(MAKE) -C $(PKG_BUILD_DIR)
 endef
 

utils/lsof/patches/005-reproducable-build.patch

@@ -0,0 +1,24 @@
+diff --git a/dialects/linux/Makefile b/dialects/linux/Makefile
+index 2bea108..ed8382e 100644
+--- a/dialects/linux/Makefile
++++ b/dialects/linux/Makefile
+@@ -78,8 +78,8 @@ version.h:	FRC
+ 	@echo '#define	LSOF_BLDCMT	"${LSOF_BLDCMT}"' > version.h;
+ 	@echo '#define	LSOF_CC		"${CC}"' >> version.h
+ 	@echo '#define	LSOF_CCV	"${CCV}"' >> version.h
+-	@echo '#define	LSOF_CCDATE	"'`date`'"' >> version.h
+-	@echo '#define	LSOF_CCFLAGS	"'`echo ${CFLAGS} | sed 's/\\\\(/\\(/g' | sed 's/\\\\)/\\)/g' | sed 's/"/\\\\"/g'`'"' >> version.h
++	@echo '#define	LSOF_CCDATE	"'`date -d @${SOURCE_DATE_EPOCH}`'"' >> version.h
++	@echo '#define	LSOF_CCFLAGS	""' >> version.h
+ 	@echo '#define	LSOF_CINFO	"${CINFO}"' >> version.h
+ 	@if [ "X${LSOF_HOST}" = "X" ]; then \
+ 	  echo '#define	LSOF_HOST	"'`uname -n`'"' >> version.h; \
+@@ -90,7 +90,7 @@ version.h:	FRC
+ 	    echo '#define	LSOF_HOST	"${LSOF_HOST}"' >> version.h; \
+ 	  fi \
+ 	fi
+-	@echo '#define	LSOF_LDFLAGS	"${CFGL}"' >> version.h
++	@echo '#define	LSOF_LDFLAGS	""' >> version.h
+ 	@if [ "X${LSOF_LOGNAME}" = "X" ]; then \
+ 	  echo '#define	LSOF_LOGNAME	"${LOGNAME}"' >> version.h; \
+ 	else \