From 79f09fa2394c5de06668406222a655eac39c36f6 Mon Sep 17 00:00:00 2001
From: "Ben J. Woodcroft" <donttrustben near gmail.com>
Date: Fri, 10 Mar 2017 20:25:00 +1000
Subject: gnu: hmmer: Build reproducibly.

* gnu/packages/patches/hmmer-remove-cpu-specificity.patch: New file.
* gnu/packages/bioinformatics.scm (hmmer): Use it.
---
 gnu/packages/bioinformatics.scm                    | 20 +++++++++++---------
 .../patches/hmmer-remove-cpu-specificity.patch     | 22 ++++++++++++++++++++++
 2 files changed, 33 insertions(+), 9 deletions(-)
 create mode 100644 gnu/packages/patches/hmmer-remove-cpu-specificity.patch

(limited to 'gnu/packages')

diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index b6f753ef0a..866900d40b 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -2839,15 +2839,17 @@ indexing scheme is called a @dfn{Hierarchical Graph FM index} (HGFM).")
   (package
     (name "hmmer")
     (version "3.1b2")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "http://eddylab.org/software/hmmer"
-                    (version-prefix version 1) "/"
-                    version "/hmmer-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0djmgc0pfli0jilfx8hql1axhwhqxqb8rxg2r5rg07aw73sfs5nx"))))
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://eddylab.org/software/hmmer"
+             (version-prefix version 1) "/"
+             version "/hmmer-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0djmgc0pfli0jilfx8hql1axhwhqxqb8rxg2r5rg07aw73sfs5nx"))
+       (patches (search-patches "hmmer-remove-cpu-specificity.patch"))))
     (build-system gnu-build-system)
     (native-inputs `(("perl" ,perl)))
     (home-page "http://hmmer.org/")
diff --git a/gnu/packages/patches/hmmer-remove-cpu-specificity.patch b/gnu/packages/patches/hmmer-remove-cpu-specificity.patch
new file mode 100644
index 0000000000..ba98db4d0e
--- /dev/null
+++ b/gnu/packages/patches/hmmer-remove-cpu-specificity.patch
@@ -0,0 +1,22 @@
+This patch removes compilation flags which make the build for the machine
+where compilation takes place, rendering the build not reproducible.
+
+diff --git a/configure b/configure
+index 8b6aaef..49a6afc 100755
+--- a/configure
++++ b/configure
+@@ -6125,14 +6125,6 @@ fi # guess arch
+ 
+ if test "x$ax_gcc_arch" != x -a "x$ax_gcc_arch" != xno; then
+ for arch in $ax_gcc_arch; do
+-  if test "x$acx_maxopt_portable" = xyes; then # if we require portable code
+-    flags="-mtune=$arch"
+-    # -mcpu=$arch and m$arch generate nonportable code on every arch except
+-    # x86.  And some other arches (e.g. Alpha) don't accept -mtune.  Grrr.
+-    case $host_cpu in i*86|x86_64*) flags="$flags -mcpu=$arch -m$arch";; esac
+-  else
+-    flags="-march=$arch -mcpu=$arch -m$arch"
+-  fi
+   for flag in $flags; do
+     as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5
-- 
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