From 4d1d8871cd0bca162787d55473b94a0454085cc5 Mon Sep 17 00:00:00 2001
From: Lost Robot <34612565+LostRobotMusic@users.noreply.github.com>
Date: Thu, 26 Jan 2023 11:29:41 -0800
Subject: [PATCH] Add HIIR library to LMMS (#6553)

---
 .gitmodules                      | 3 +++
 src/3rdparty/CMakeLists.txt      | 1 +
 src/3rdparty/hiir/CMakeLists.txt | 3 +++
 src/3rdparty/hiir/hiir           | 1 +
 4 files changed, 8 insertions(+)
 create mode 100644 src/3rdparty/hiir/CMakeLists.txt
 create mode 160000 src/3rdparty/hiir/hiir

diff --git a/.gitmodules b/.gitmodules
index 2ccfcbcdf..ee6e7eac9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -49,3 +49,6 @@
 [submodule "plugins/LadspaEffect/cmt/cmt"]
 	path = plugins/LadspaEffect/cmt/cmt
 	url = https://github.com/lmms/cmt
+[submodule "src/3rdparty/hiir/hiir"]
+	path = src/3rdparty/hiir/hiir
+	url = https://github.com/LostRobotMusic/hiir
diff --git a/src/3rdparty/CMakeLists.txt b/src/3rdparty/CMakeLists.txt
index 24d156095..7a6b88775 100644
--- a/src/3rdparty/CMakeLists.txt
+++ b/src/3rdparty/CMakeLists.txt
@@ -3,6 +3,7 @@ IF(LMMS_BUILD_LINUX AND WANT_VST)
 	add_subdirectory(qt5-x11embed)
 ENDIF()
 
+ADD_SUBDIRECTORY(hiir)
 ADD_SUBDIRECTORY(rpmalloc)
 ADD_SUBDIRECTORY(weakjack)
 
diff --git a/src/3rdparty/hiir/CMakeLists.txt b/src/3rdparty/hiir/CMakeLists.txt
new file mode 100644
index 000000000..e954ff187
--- /dev/null
+++ b/src/3rdparty/hiir/CMakeLists.txt
@@ -0,0 +1,3 @@
+add_library(hiir INTERFACE)
+target_include_directories(hiir INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
+target_compile_features(hiir INTERFACE cxx_std_17)
diff --git a/src/3rdparty/hiir/hiir b/src/3rdparty/hiir/hiir
new file mode 160000
index 000000000..54a41371d
--- /dev/null
+++ b/src/3rdparty/hiir/hiir
@@ -0,0 +1 @@
+Subproject commit 54a41371d9da47e62d669ac86bd0b2e726a2a057