Add zita-convolver

Signed-off-by: falkTX <falktx@falktx.com>

sources/libs/zita-convolver-static/debian/changelog

@@ -0,0 +1,5 @@
+zita-convolver-static (6:4.0.3-1kxstudio4) focal; urgency=medium
+
+  * Initial package
+
+ -- falkTX <falktx@falktx.com>  Sun, 26 Oct 2025 09:49:23 +0100

sources/libs/zita-convolver-static/debian/control

@@ -0,0 +1,22 @@
+Source: zita-convolver-static
+Section: devel
+Priority: optional
+Maintainer: falkTX <falktx@falktx.com>
+Build-Depends: debhelper-compat (= 13),
+  kxstudio-build-scripts (>= 5),
+  make,
+  pkg-config,
+  fftw3-static
+Standards-Version: 4.5.0
+Rules-Requires-Root: no
+
+Package: libzita-convolver-static
+Architecture: any
+Depends: ${misc:Depends}, ${shlibs:Depends}, fftw3-static
+Description: C++ library implementing a real-time convolution matrix (static)
+ Zita convolver is a C++ library implementing a real-time
+ convolution matrix for up to 64 inputs and outputs. It
+ uses multiple partition sizes to provide both low delay
+ and efficient CPU use.
+ .
+ This package provides the static library used in KXStudio builds.

sources/libs/zita-convolver-static/debian/install

@@ -0,0 +1,2 @@
+source/*.a /opt/kxstudio/lib/
+source/*.h /opt/kxstudio/include/

sources/libs/zita-convolver-static/debian/patches/01_static-build.patch

@@ -0,0 +1,26 @@
+--- zita-convolver-static-4.0.3.orig/source/Makefile
++++ zita-convolver-static-4.0.3/source/Makefile
+@@ -34,11 +34,11 @@ VERSION = $(MAJVERS).$(MINVERS)
+ CPPFLAGS += -I. -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS
+ CPPFLAGS += -DENABLE_VECTOR_MODE 
+ CXXFLAGS += -fPIC -Wall -ffast-math -funroll-loops -O2
+-CXXFLAGS += -march=native
+ LDLFAGS += 
+ LDLIBS +=
+ 
+ 
++ZITA-CONVOLVER_A = libzita-convolver.a
+ ZITA-CONVOLVER_SO = libzita-convolver.so
+ ZITA-CONVOLVER_MAJ = $(ZITA-CONVOLVER_SO).$(MAJVERS)
+ ZITA-CONVOLVER_MIN = $(ZITA-CONVOLVER_MAJ).$(MINVERS)
+@@ -47,6 +47,10 @@ ZITA-CONVOLVER_O = zita-convolver.o
+ ZITA-CONVOLVER_H = zita-convolver.h 
+ 
+ 
++$(ZITA-CONVOLVER_A):	$(ZITA-CONVOLVER_O)
++	rm -f $@
++	ar crs $@ $^
++
+ $(ZITA-CONVOLVER_MIN):	$(ZITA-CONVOLVER_O)
+ 	$(CXX) -shared $(LDFLAGS) -Wl,-soname,$(ZITA-CONVOLVER_MAJ) -o $(ZITA-CONVOLVER_MIN) $(ZITA-CONVOLVER_O) $(ZITA-CONVOLVER_DEP)
+ 

sources/libs/zita-convolver-static/debian/patches/series

@@ -0,0 +1 @@
+01_static-build.patch

sources/libs/zita-convolver-static/debian/rules

@@ -0,0 +1,13 @@
+#!/usr/bin/make -f
+
+KXSTUDIO_EXPLICIT_PATH_INCLUDE = y
+include /usr/share/dpkg/kxstudio.mk
+
+override_dh_auto_build:
+	$(MAKE) -C source
+
+override_dh_auto_clean:
+	$(MAKE) -C source clean
+
+%:
+	dh $@

sources/libs/zita-convolver-static/debian/source/format

@@ -0,0 +1 @@
+3.0 (quilt)