>From 6e390fd37c1562188c0c40a3d4c9c8987462abd1 Mon Sep 17 00:00:00 2001
From: Adonay Felipe Nogueira <address@hidden>
Date: Sat, 24 Jun 2017 13:09:46 -0300
Subject: [PATCH] gnu: Add crypto++.

* gnu/packages/crypto.scm (crypto++): New variable.
---
 gnu/packages/crypto.scm | 103 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 102 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/crypto.scm b/gnu/packages/crypto.scm
index 6f02d86..4d32750 100644
--- a/gnu/packages/crypto.scm
+++ b/gnu/packages/crypto.scm
@@ -6,6 +6,8 @@
 ;;; Copyright © 2016 Tobias Geerinckx-Rice <address@hidden>
 ;;; Copyright © 2016 ng0 <address@hidden>
 ;;; Copyright © 2016, 2017 Eric Bavier <address@hidden>
+;;; Copyright © 2017 Marius Bakke <address@hidden>
+;;; Copyright © 2017 Adonay "adfeno" Felipe Nogueira <https://libreplanet.org/wiki/User:Adfeno> <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -29,6 +31,7 @@
   #:use-module (gnu packages attr)
   #:use-module (gnu packages autotools)
   #:use-module (gnu packages boost)
+  #:use-module (gnu packages compression)
   #:use-module (gnu packages cryptsetup)
   #:use-module (gnu packages gettext)
   #:use-module (gnu packages gnupg)
@@ -50,9 +53,107 @@
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix git-download)
+  #:use-module (guix build utils)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system python))
+  #:use-module (guix build-system python)
+  #:use-module (guix utils)
+  #:use-module (ice-9 match))
+
+(define-public crypto++
+  (let ((release "5.6.5")
+	(revision 1))
+    (package
+     (name "crypto++")
+     (version (if (zero? revision)
+		  release
+		  (string-append release "-"
+				 (number->string revision))))
+     (source (origin
+	      (method url-fetch)
+	      (uri (let ((numeric-version
+			  (match (string-split release #\.)
+				 ((first-digit other-digits ...)
+				  (string-append first-digit
+						 (string-concatenate
+						  other-digits))))))
+		     (string-append "https://cryptopp.com/cryptopp"
+				    numeric-version ".zip")))
+	      (sha256
+	       (base32
+		"0d1cqdz369ivi082k59025wvxzywvkizw7i0pf5h0a1izs3g8pm7"))))
+     (build-system gnu-build-system)
+     (arguments
+      `(#:make-flags
+	`(,(string-append "PREFIX=" (assoc-ref %outputs "out"))
+	  ,(string-append "BINDIR=" (assoc-ref %outputs "bin") "/bin")
+	  ,(string-append "DATADIR=" (assoc-ref %outputs "doc") "/share")
+	  "DISABLE_CXXFLAGS_OPTIMIZATIONS=1"
+	  ;; Override "/sbin/ldconfig" with simply "echo" since
+	  ;; we don't need ldconfig(8).
+	  "LDCONF=echo")
+	#:phases
+	(modify-phases %standard-phases
+		       (add-after 'unpack 'enter-source
+				  ;; They have made a zip-bomb.
+				  (lambda _ (chdir "..") #t))
+		       (add-after 'enter-source 'disable-optimizations
+				  (lambda _
+				    ;; XXX: The disable optimizations
+				    ;; flag above is not recognized in
+				    ;; the current version. See
+				    ;; https://github.com/weidai11/cryptopp/pull/354.
+				    ;; For now, just remove it the dirty
+				    ;; way.
+				    (substitute* "GNUmakefile"
+						 (("-march=native") ""))
+				    #t))
+		       (delete 'configure)
+		       (add-after 'build 'build-shared
+				  (lambda _
+				    ;; By default, only the static
+				    ;; library is built.
+				    (zero?
+				     (system* "make" "shared"))))
+		       (add-after 'install 'move-static-library
+				  (lambda* (#:key outputs #:allow-other-keys)
+					   (let* ((out (assoc-ref outputs "out"))
+						  (lib (string-append out "/lib"))
+						  (static (assoc-ref outputs "static"))
+						  (slib (string-append static "/lib")))
+					     (mkdir-p slib)
+					     (for-each (lambda (file)
+							 (install-file file slib)
+							 (delete-file file))
+						       (find-files lib "\\.l?a$"))
+					     #t)))
+		       (add-after 'move-static-library 'add-so-version-symlink
+				  ;; The library is named
+				  ;; MAJOR.MINOR.PATCHLEVEL. Some
+				  ;; programs expect a MAJOR.MINOR
+				  ;; symlink.
+				  (lambda* (#:key outputs #:allow-other-keys)
+					   (let ((out (assoc-ref outputs "out"))
+						 (major+minor ,(version-major+minor release)))
+					     (with-directory-excursion (string-append out "/lib")
+								       (symlink (string-append "libcryptopp.so." ,release)
+										(string-append "libcryptopp.so." major+minor))
+								       #t)))))))
+     (outputs
+      '("out" ; 6.4M shared library and headers
+	"bin" ; 6.3M cryptest.exe
+	"doc" ; 6.4M documentation and examples
+	"static")) ; 15M static library
+     (native-inputs
+      `(("unzip" ,unzip)))
+     (synopsis "C++ class library of cryptographic schemes")
+     (description "Crypto++ is a large collection of cryptograhic
+algorithms and related utilities for C++.")
+     (home-page "https://cryptopp.com")
+     ;; The compilation is licensed under Boost 1.0, while
+     ;; most individual files are in the public domain.
+     ;; Should we add two licenses?
+     (license license:boost1.0))))
 
 (define-public libsodium
   (package
-- 
1.9.1