media-libs/soxr: Fix build w/ cmake-4, fix cmake policy warnings

Closes: https://bugs.gentoo.org/951815
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

media-libs/soxr/files/soxr-0.1.3-cmake4.patch

@@ -0,0 +1,142 @@
+From 7d60bfd23433c102fcd1e19fb6ad977fa4b53517 Mon Sep 17 00:00:00 2001
+From: Andreas Sturmlechner <asturm@gentoo.org>
+Date: Thu, 27 Nov 2025 21:36:47 +0100
+Subject: [PATCH] Fix build with CMake 4, fix CMP0115/CMP0127 warnings
+
+Source: https://sourceforge.net/p/soxr/code/merge-requests/6/
+
+But max cranked up to 3.31 for who knows when we will look at it again.
+
+Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>
+---
+ CMakeLists.txt          |  4 ++--
+ examples/CMakeLists.txt |  8 ++++----
+ src/CMakeLists.txt      | 30 +++++++++++++++---------------
+ 3 files changed, 21 insertions(+), 21 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index ee48f6c..0e4db65 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,7 +1,7 @@
+ # SoX Resampler Library       Copyright (c) 2007-18 robs@users.sourceforge.net
+ # Licence for this file: LGPL v2.1                  See LICENCE for details.
+ 
+-cmake_minimum_required (VERSION 3.1 FATAL_ERROR)
++cmake_minimum_required (VERSION 3.1...3.31)
+ 
+ project (soxr C)
+ set (DESCRIPTION_SUMMARY
+@@ -70,7 +70,7 @@ cmake_dependent_option (WITH_AVFFT
+   "Use libavcodec (LGPL) for HQ SIMD DFT." OFF
+   "WITH_CR32S;NOT WITH_PFFFT" OFF)
+ cmake_dependent_option (BUILD_LSR_TESTS "Build LSR tests." OFF
+-  "UNIX;NOT CMAKE_CROSSCOMPILING;EXISTS ${PROJECT_SOURCE_DIR}/lsr-tests;WITH_LSR_BINDINGS" OFF)
++  "UNIX;NOT CMAKE_CROSSCOMPILING;EXISTS \"${PROJECT_SOURCE_DIR}/lsr-tests\";WITH_LSR_BINDINGS" OFF)
+ 
+ option (WITH_HI_PREC_CLOCK "Enable high-precision time-base." ON)
+ option (WITH_FLOAT_STD_PREC_CLOCK
+diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
+index c8c17c9..acf6d4e 100644
+--- a/examples/CMakeLists.txt
++++ b/examples/CMakeLists.txt
+@@ -6,16 +6,16 @@ set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${PROJECT_CXX_FLAGS}")
+ link_libraries (${PROJECT_NAME} ${LIBM_LIBRARIES})
+ 
+ if (${BUILD_EXAMPLES} OR ${BUILD_TESTS})
+-  set (SOURCES 3-options-input-fn)
++  set (SOURCES 3-options-input-fn.c)
+   if (${WITH_LSR_BINDINGS})
+-    set (LSR_SOURCES 1a-lsr)
++    set (LSR_SOURCES 1a-lsr.c)
+   endif ()
+ endif ()
+ 
+ if (${BUILD_EXAMPLES})
+-  list (APPEND SOURCES 1-single-block 2-stream 4-split-channels)
++  list (APPEND SOURCES 1-single-block.c 2-stream.C 4-split-channels.c)
+   if (${WITH_VR32})
+-    list (APPEND SOURCES 5-variable-rate)
++    list (APPEND SOURCES 5-variable-rate.c)
+   endif ()
+ endif ()
+ 
+diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
+index bb01a0d..24ecd5d 100644
+--- a/src/CMakeLists.txt
++++ b/src/CMakeLists.txt
+@@ -24,40 +24,40 @@ add_definitions (${PROJECT_C_FLAGS} -DSOXR_LIB)
+ 
+ # Libsoxr configuration:
+ 
+-set (RDFT32 fft4g32)
++set (RDFT32 fft4g32.c)
+ if (AVCODEC_FOUND)
+-  set (RDFT32 avfft32)
+-  set (RDFT32S avfft32s)
++  set (RDFT32 avfft32.c)
++  set (RDFT32S avfft32s.c)
+ elseif (WITH_PFFFT)
+-  #set (RDFT32 pffft32)
+-  set (RDFT32S pffft32s)
++  #set (RDFT32 pffft32.c)
++  set (RDFT32S pffft32s.c)
+ elseif (WITH_CR32S)
+-  set (RDFT32S fft4g32s)
++  set (RDFT32S fft4g32s.c)
+   if (NOT WITH_CR32)
+-    list (APPEND RDFT32S fft4g32)
++    list (APPEND RDFT32S fft4g32.c)
+   endif ()
+ endif ()
+ 
+-set (SOURCES ${PROJECT_NAME}.c data-io)
++set (SOURCES ${PROJECT_NAME}.c data-io.c)
+ 
+ if (WITH_CR32 OR WITH_CR32S OR WITH_CR64 OR WITH_CR64S)
+-  list (APPEND SOURCES dbesi0 filter fft4g64 cr)
++  list (APPEND SOURCES dbesi0.c filter.c fft4g64.c cr.c)
+ endif ()
+ 
+ if (WITH_CR32)
+-  list (APPEND SOURCES cr32 ${RDFT32})
++  list (APPEND SOURCES cr32.c ${RDFT32})
+ endif ()
+ 
+ if (WITH_CR64)
+-  list (APPEND SOURCES cr64)
++  list (APPEND SOURCES cr64.c)
+ endif ()
+ 
+ if (WITH_VR32)
+-  list (APPEND SOURCES vr32)
++  list (APPEND SOURCES vr32.c)
+ endif ()
+ 
+ if (WITH_CR32S)
+-  foreach (source cr32s ${RDFT32S} util32s)
++  foreach (source cr32s.c ${RDFT32S} util32s.c)
+     list (APPEND SOURCES ${source})
+     set_property (SOURCE ${source}
+         APPEND_STRING PROPERTY COMPILE_FLAGS ${SIMD32_C_FLAGS})
+@@ -65,7 +65,7 @@ if (WITH_CR32S)
+ endif ()
+ 
+ if (WITH_CR64S)
+-  foreach (source cr64s pffft64s util64s)
++  foreach (source cr64s.c pffft64s.c util64s.c)
+     list (APPEND SOURCES ${source})
+     set_property (SOURCE ${source}
+         APPEND_STRING PROPERTY COMPILE_FLAGS ${SIMD64_C_FLAGS})
+@@ -100,7 +100,7 @@ if (WITH_LSR_BINDINGS)
+   set (LSR ${PROJECT_NAME}-lsr)
+   set (LSR_SO_VERSION 0.1.9)
+   set (LSR_SO_VERSION_MAJOR 0)
+-  add_library (${LSR} ${LIB_TYPE} ${LSR})
++  add_library (${LSR} ${LIB_TYPE} ${LSR}.c)
+   target_link_libraries (${LSR} ${PROJECT_NAME})
+   set_target_properties (${LSR} PROPERTIES
+     VERSION "${LSR_SO_VERSION}"
+-- 
+2.52.0
+

media-libs/soxr/soxr-0.1.3-r2.ebuild

@@ -23,6 +23,7 @@ RESTRICT="!test? ( test )"
 PATCHES=(
 	"${FILESDIR}/${PN}-0.1.1-nodoc.patch"
 	"${FILESDIR}/${P}-fix-pkgconfig.patch"
+	"${FILESDIR}/${P}-cmake4.patch" # bug 951815
 )
 
 src_configure() {