Source: pchar Version: 1.5-2 Severity: wishlist Tags: patch upstream User: reproducible-builds@lists.alioth.debian.org Usertags: timestamps hostname X-Debbugs-Cc: reproducible-builds@lists.alioth.debian.org
Hi! While working on the "reproducible builds" effort [1], we have noticed that pchar could not be built reproducibly. It embeds the build date/time and hostname into the binary. The attached patch strips this to enable reproducible building. Regards, Reiner [1]: https://wiki.debian.org/ReproducibleBuilds
diff --git a/debian/patches/reproducible-build.patch b/debian/patches/reproducible-build.patch
new file mode 100644
index 0000000..13375f6
--- /dev/null
+++ b/debian/patches/reproducible-build.patch
@@ -0,0 +1,32 @@
+Author: Reiner Herrmann <rei...@reiner-h.de>
+Description: Strip build date and hostname to enable reproducible building
+
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -183,11 +183,9 @@
+ @echo '"WARRANTY OF ANY KIND, EXPRESS OR IMPLIED."' >> $@
+ @${ECHOQNL} >> $@
+ @echo ';' >> $@
+- @echo "static char build[] = \"Built for $(host) by `hostname` on `date`\";" >> $@
+ @echo "static char dflags[] = \"$(DFLAGS)\";" >> $@
+ @echo "char *Version = version;" >> $@
+ @echo "char *Copyright = copyright;" >> $@
+- @echo "char *Build = build;" >> $@
+ @echo "char *DFlags = dflags;" >> $@
+
+ FORCE:
+--- a/main.cc
++++ b/main.cc
+@@ -127,11 +127,10 @@
+ //
+ void VersionInfo()
+ {
+- extern char *Version, *Copyright, *Build, *DFlags;
++ extern char *Version, *Copyright, *DFlags;
+
+ fprintf(stderr, "%s\n", Version);
+ fprintf(stderr, "%s\n", Copyright);
+- fprintf(stderr, "%s\n", Build);
+ fprintf(stderr, "Compilation flags: %s\n", DFlags);
+
+ }
diff --git a/debian/patches/series b/debian/patches/series
index 71f1aa3..6cc8403 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,3 +1,4 @@
+reproducible-build.patch
cxx-typo-getifinfo.patch
cxx-const-charp-warning.patch
destdir-install.patch
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