[Reproducible-builds] Bug#831376: nbc: please make the build reproducible

[Chris Lamb]

Source: nbc
Version: 1.2.1.r4+dfsg-1
Severity: wishlist
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-builds at lists.alioth.debian.org

Hi,

Whilst working on the "reproducible builds" effort [0], we noticed
that nbc could not be built reproducibly.

Patch attached.

 [0] https://wiki.debian.org/ReproducibleBuilds


Regards,

-- 
      ,''`.
     : :'  :     Chris Lamb
     `. `'`      lamby at debian.org / chris-lamb.co.uk
       `-
-------------- next part --------------
--- a/debian/patches/10-reproducible-build.patch	1970-01-01 02:00:00.000000000 +0200
--- b/debian/patches/10-reproducible-build.patch	2016-07-15 10:35:38.809465962 +0200
@@ -0,0 +1,27 @@
+Author: Chris Lamb <lamby at debian.org>
+Last-Update: 2016-07-15
+
+--- nbc-1.2.1.r4+dfsg.orig/NXT/nbcunix.mak
++++ nbc-1.2.1.r4+dfsg/NXT/nbcunix.mak
+@@ -3,6 +3,12 @@ VER = 1.2.1.r4
+ DOBJECTS=uNXTClasses.o uPreprocess.o Parser10.o P10Build.o uNXCComp.o uRPGComp.o uRIC.o uRICComp.o uNBCCommon.o uNXTConstants.o uNBCInterface.o nbc.dpr
+ DEFAULT_INCLUDE_DIR=/usr/local/include/nbc
+ 
++ifdef SOURCE_DATE_EPOCH
++	BUILD_DATE ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" 2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" 2>/dev/null || date -u)
++else
++	BUILD_DATE ?= $(shell date)
++endif
++
+ all:: $(DOBJECTS) $(PROGRAMS)
+ 
+ clean::
+@@ -34,7 +40,7 @@ nbc_preproc.inc:
+ 	echo '// '$@ > $@
+ 	echo 'const' >> $@
+ 	echo '  DEFAULT_INCLUDE_DIR = '\'$(DEFAULT_INCLUDE_DIR)\'';' >> $@
+-	echo '  COMPILATION_TIMESTAMP = '\'`date`\'';' >> $@
++	echo '  COMPILATION_TIMESTAMP = '\'$(BUILD_DATE)\'';' >> $@
+ 
+ # how to create the mkdata utility
+ mkdata: mkdata.dpr
--- a/debian/patches/series	2016-07-15 10:27:36.212169908 +0200
--- b/debian/patches/series	2016-07-15 10:35:27.193338888 +0200
@@ -1,2 +1,3 @@
 20-correct-spelling-errors.patch
 fix_makefile_clean.patch
+10-reproducible-build.patch