Source: openssl
Version: 1.0.1k-1
Severity: wishlist
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: timestamps
Hi,
I noticed that the package openssl[1] could not be build reproducibly.
The attached patch modifies the crypto/Makefile and util/mkbuildinf.pl
so that the first can pass a fixed date to the later, avoiding inserting
the localtime into the build. debian/rules has also been modified to
export a variable containing the date of the last changelog, to be used
as a timestamp.
[1] https://reproducible.debian.net/rb-pkg/unstable/amd64/openssl.html
diff --git a/crypto/Makefile b/crypto/Makefile
index 2b6397a..7396d47 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -55,7 +55,8 @@ top:
all: shared
buildinf.h: ../Makefile
- $(PERL) $(TOP)/util/mkbuildinf.pl "$(CFLAGS)" "$(PLATFORM)" >buildinf.h
+ $(PERL) $(TOP)/util/mkbuildinf.pl "$(CFLAGS)" "$(PLATFORM)" "$(DATE)" \
+ > buildinf.h
x86cpuid.s: x86cpuid.pl perlasm/x86asm.pl
$(PERL) x86cpuid.pl $(PERLASM_SCHEME) $(CFLAGS) $(PROCESSOR) > $@
diff --git a/debian/rules b/debian/rules
index 615ce02..cf84660 100755
--- a/debian/rules
+++ b/debian/rules
@@ -15,6 +15,9 @@ package=openssl
# For generating the manpages
export VERSION=$(shell dpkg-parsechangelog | grep '^Version:' | sed -e 's/^.*://' -e 's/-.*//')
+export DATE := $(strip $(shell LC_ALL=C dpkg-parsechangelog --show-field Date | \
+ LC_ALL=C date -u --file=- +%c ))
+
# The binary architeture
DEB_HOST_ARCH = $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_MULTIARCH=$(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
diff --git a/util/mkbuildinf.pl b/util/mkbuildinf.pl
index 9d7b81c..7a14958 100755
--- a/util/mkbuildinf.pl
+++ b/util/mkbuildinf.pl
@@ -1,9 +1,11 @@
#!/usr/local/bin/perl
-my ($cflags, $platform) = @ARGV;
+my ($cflags, $platform, $date) = @ARGV;
$cflags = "compiler: $cflags";
-$date = localtime();
+if (!$date) {
+ $date = localtime();
+}
print <<"END_OUTPUT";
#ifndef MK1MF_BUILD
/* auto-generated by util/mkbuildinf.pl for crypto/cversion.c */
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