[bug#46223] [PATCH 1/2] gnu: opencolorio: Update to 2.0.0.

[Evan Straw <evan.straw99@gmail.com>]

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Hello Guix!

This is a series of two patches that will update OpenColorIO to v2.0.0,
which was released 3 days ago. The first, in this message, will add a
dependency for OCIO 2.0.0 and the second, which will be sent soon, will
actually update the package.

Please let me know if I should make any changes.

Thanks,
-- Evan Straw <evan.straw99@gmail.com>

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From 3f90b2b1c0e2a1f5266522bdee393a91dba902ac Mon Sep 17 00:00:00 2001
From: Evan Straw <evan.straw99@gmail.com>
Date: Sun, 31 Jan 2021 17:07:44 -0800
Subject: [PATCH 1/2] gnu: Add pystring.

* gnu/packages/cpp.scm (pystring): New variable.
---
 gnu/packages/cpp.scm | 55 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/gnu/packages/cpp.scm b/gnu/packages/cpp.scm
index ae47490755..9c5269d354 100644
--- a/gnu/packages/cpp.scm
+++ b/gnu/packages/cpp.scm
@@ -16,6 +16,7 @@
 ;;; Copyright © 2020 Alexandros Theodotou <alex@zrythm.org>
 ;;; Copyright © 2020, 2021 Greg Hogan <code@greghogan.com>
 ;;; Copyright © 2020 Brett Gilio <brettg@gnu.org>
+;;; Copyright © 2021 Evan Straw <evan.straw99@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -899,3 +900,57 @@ provides a number of utilities to make coding with expected cleaner.")
     (description "Magic Enum offers static reflection of enums, with
 conversions to and from strings, iteration and related functionality.")
     (license license:expat)))
+
+(define-public pystring
+  (package
+    (name "pystring")
+    (version "1.1.3")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/imageworks/pystring")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1w31pjiyshqgk6zd6m3ab3xfgb0ribi77r6fwrry2aw8w1adjknf"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:test-target "test"
+       #:phases
+       (modify-phases %standard-phases
+         ;; pystring does not have a configure script
+         (delete 'configure)
+         ;; Makefile attempts to install to /usr/lib; change this to the
+         ;; proper output path
+         (add-before 'install 'fix-install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (lib (string-append out "/lib")))
+               (substitute* "Makefile"
+                 (("LIBDIR = /usr/lib")
+                  (string-append "LIBDIR = " lib)))
+               (mkdir-p lib)
+               #t)))
+         ;; Makefile does not install the header files for the library;
+         ;; install them to an "include" directory under the proper output
+         ;; path
+         (add-after 'install 'install-header
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (inc (string-append out "/include/pystring")))
+               (mkdir-p inc)
+               (copy-file "pystring.h"
+                          (string-append inc "/pystring.h"))
+               #t))))))
+    (native-inputs `(("libtool" ,libtool)))
+    (home-page "https://github.com/imageworks/pystring")
+    (synopsis "C++ functions matching the interface and behavior of Python
+string methods")
+    (description "Pystring is a collection of C++ functions which match the
+interface and behavior of python's string class methods using std::string.
+Implemented in C++, it does not require or make use of a python interpreter.
+It provides convenience and familiarity for common string operations not
+included in the standard C++ library.  It's also useful in environments where
+both C++ and python are used.")
+    (license license:bsd-3)))
-- 
2.25.1


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