gnu: Add mixxx.

* gnu/packages/music.scm (mixxx): New variable.
* gnu/packages/patches/mixxx-link-qtscriptbytearray-qtscript.patch,
gnu/packages/patches/mixxx-system-googletest-benchmark.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.

Signed-off-by: Leo Famulari <leo@famulari.name>

2 files changed, 68 insertions, 0 deletions

diff --git a/gnu/packages/patches/mixxx-link-qtscriptbytearray-qtscript.patch b/gnu/packages/patches/mixxx-link-qtscriptbytearray-qtscript.patch
new file mode 100644
index 0000000000..d7cd1c0d28
--- /dev/null
+++ b/gnu/packages/patches/mixxx-link-qtscriptbytearray-qtscript.patch
@@ -0,0 +1,25 @@
+From 7554aefc886d4ebc4b4c139a5cddcab6163cf72f Mon Sep 17 00:00:00 2001
+From: Vinicius Monego <monego@posteo.net>
+Date: Thu, 30 Sep 2021 23:37:29 -0300
+Subject: [PATCH] Link QtScriptByteArray with QtScript.
+
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 492ccae..05fec08 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -2077,7 +2077,7 @@ add_library(QtScriptByteArray STATIC EXCLUDE_FROM_ALL
+   lib/qtscript-bytearray/bytearrayprototype.cpp
+ )
+ set_target_properties(QtScriptByteArray PROPERTIES AUTOMOC ON)
+-target_link_libraries(QtScriptByteArray Qt5::Core)
++target_link_libraries(QtScriptByteArray Qt5::Core Qt5::Script)
+ target_include_directories(mixxx-lib SYSTEM PUBLIC lib/qtscript-bytearray)
+ target_link_libraries(mixxx-lib PRIVATE QtScriptByteArray)
+ 
+-- 
+2.30.2
+
diff --git a/gnu/packages/patches/mixxx-system-googletest-benchmark.patch b/gnu/packages/patches/mixxx-system-googletest-benchmark.patch
new file mode 100644
index 0000000000..7adbe66208
--- /dev/null
+++ b/gnu/packages/patches/mixxx-system-googletest-benchmark.patch
@@ -0,0 +1,43 @@
+From eb2079d467f8658eea13e2ed86cc69d864632866 Mon Sep 17 00:00:00 2001
+From: Vinicius Monego <monego@posteo.net>
+Date: Wed, 29 Sep 2021 19:07:35 -0300
+Subject: [PATCH] Use system googletest and benchmark.
+
+---
+ CMakeLists.txt | 13 +++----------
+ 1 file changed, 3 insertions(+), 10 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 10e9b0a..492ccae 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1467,12 +1467,7 @@ set(gtest_force_shared_crt ON CACHE BOOL "Pass Mixxx compiler/linker options to
+ # Prevent installation of GoogleTest libraries
+ set(INSTALL_GTEST OFF CACHE BOOL "Disable installation of GoogleTest" FORCE)
+ 
+-# Add googletest directly to our build. This adds the following targets:
+-# gtest, gtest_main, gmock and gmock_main
+-add_subdirectory(
+-  "${CMAKE_CURRENT_SOURCE_DIR}/lib/googletest"
+-  "${CMAKE_CURRENT_BINARY_DIR}/lib/googletest"
+-)
++find_package(GTest CONFIG REQUIRED)
+ 
+ add_executable(mixxx-test
+   src/test/analyserwaveformtest.cpp
+@@ -1582,10 +1577,8 @@ set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "" FORCE)
+ # Prevent installation of google/benchmark artifacts
+ set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "Disable installation of google/benchmark" FORCE)
+ 
+-add_subdirectory(
+-  "${CMAKE_CURRENT_SOURCE_DIR}/lib/benchmark"
+-  "${CMAKE_CURRENT_BINARY_DIR}/lib/benchmark"
+-)
++find_package(benchmark CONFIG REQUIRED)
++
+ target_link_libraries(mixxx-test PRIVATE benchmark)
+ 
+ # Test Suite
+-- 
+2.30.2
+