gnu: Add tuning-library.

* gnu/packages/audio.scm (tuning-library): New variable.
* gnu/packages/patches/tuning-library-1.1.0-add-missing-cstring-include.patch:
New file.
* gnu/local.mk (dist_patch_DATA): Register it.

Signed-off-by: Gabriel Wicki <gabriel@erlikon.ch>

3 files changed, 83 insertions, 0 deletions

diff --git a/gnu/local.mk b/gnu/local.mk
index 32b738196e0..5608cb26fe0 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -2575,6 +2575,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/trytond-add-guix_trytond_path.patch      \
   %D%/packages/patches/ttf2eot-cstddef.patch                    \
   %D%/packages/patches/tuir-python-3.12-support.patch   \
+  %D%/packages/patches/tuning-library-1.1.0-add-missing-cstring-include.patch   \
   %D%/packages/patches/tuxpaint-stamps-path.patch               \
   %D%/packages/patches/tvm_fix_cpptest_build.patch              \
   %D%/packages/patches/twinkle-bcg729.patch                     \
diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 3a6b99cd8aa..783a2db339e 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -5056,6 +5056,65 @@ contents of one source file moved into a header file (and set as inline) to
 make the library header-only, and with the test folder removed.")
       (license license:wtfpl2))))
 
+(define-public tuning-library
+  (package
+    (name "tuning-library")
+    (version "1.1.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/surge-synthesizer/tuning-library")
+             (commit (string-append "release_" version))))
+       (file-name (git-file-name name version))
+       (patches
+        (search-patches
+         "tuning-library-1.1.0-add-missing-cstring-include.patch"))
+       (sha256
+        (base32 "0f7915xn61sqbdla1zamjd2nkbvdzlm162dmqap2j40yhra73q65"))
+       (modules '((guix build utils)))
+       ;; Unbundle catch2.
+       (snippet
+        '(begin
+           (delete-file-recursively "libs")
+           (substitute* "tests/alltests.cpp"
+             (("#include \"catch2.hpp\"") "#include <catch2/catch.hpp>"))))))
+    (build-system cmake-build-system)
+    (arguments
+     (list
+      #:modules
+      '((guix build cmake-build-system)
+        (guix build utils)
+        (srfi srfi-26))                 ;for cute
+      #:phases
+      #~(modify-phases %standard-phases
+          (replace 'check
+            (lambda* (#:key tests? #:allow-other-keys)
+              (when tests?
+                (with-directory-excursion "../source"
+                  (invoke "../build/tuning-library-tests" "-a")
+                  (invoke "../build/tuning-library-symbolcheck")))))
+          (replace 'install
+            (lambda _
+              (for-each (cute install-file <>
+                              (string-append #$output "/bin"))
+                        '("showmapping" "parsecheck"))
+              (with-directory-excursion "../source"
+                (with-directory-excursion "include"
+                  (for-each (cute install-file <>
+                                  (string-append #$output "/include"))
+                            '("Tunings.h" "TuningsImpl.h")))
+                (install-file "README.md"
+                              (string-append #$output
+                                             "/share/doc/tuning-library"))))))))
+    (native-inputs (list catch2-2))
+    (home-page "https://github.com/surge-synthesizer/tuning-library")
+    (synopsis "C Library for micro-tuning and frequency finding")
+    (description
+     "Tuning Library is a header-only C library for micro-tuning format
+parsing and frequency finding.")
+    (license license:expat)))
+
 (define-public redumper
   (package
     (name "redumper")
diff --git a/gnu/packages/patches/tuning-library-1.1.0-add-missing-cstring-include.patch b/gnu/packages/patches/tuning-library-1.1.0-add-missing-cstring-include.patch
new file mode 100644
index 00000000000..65b0680952b
--- /dev/null
+++ b/gnu/packages/patches/tuning-library-1.1.0-add-missing-cstring-include.patch
@@ -0,0 +1,23 @@
+Upstream-status: <https://github.com/surge-synthesizer/tuning-library/pull/52>
+
+From f14baadf2966552e6709f8be437180d91cb6c24b Mon Sep 17 00:00:00 2001
+From: David Runge <dave@sleepmap.de>
+Date: Sun, 10 Oct 2021 01:07:09 +0200
+Subject: [PATCH] Add missing cstring include
+
+commands/parsecheck.cpp:
+Add a missing include of 'cstring' that would fail the builds using gcc
+>= 11.1.0.
+---
+ commands/parsecheck.cpp | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/commands/parsecheck.cpp b/commands/parsecheck.cpp
+index 50cff9b..c24cb6a 100644
+--- a/commands/parsecheck.cpp
++++ b/commands/parsecheck.cpp
+@@ -1,3 +1,4 @@
++#include <cstring>
+ #include <iomanip>
+ #include "Tunings.h"
+ #include "TuningsImpl.h"