From e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 10 Apr 2024 22:34:10 +0200
Subject: Adding upstream version 4.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 cmake/modules/FindILBC.cmake | 77 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 cmake/modules/FindILBC.cmake

(limited to 'cmake/modules/FindILBC.cmake')

diff --git a/cmake/modules/FindILBC.cmake b/cmake/modules/FindILBC.cmake
new file mode 100644
index 00000000..6dc81a49
--- /dev/null
+++ b/cmake/modules/FindILBC.cmake
@@ -0,0 +1,77 @@
+# Find the system's ilbc includes and library
+#
+#  ILBC_INCLUDE_DIRS - where to find ilbc.h
+#  ILBC_LIBRARIES    - List of libraries when using ilbc
+#  ILBC_FOUND        - True if ilbc found
+#  ILBC_DLL_DIR      - (Windows) Path to the ilbc DLL
+#  ILBC_DLL          - (Windows) Name of the ilbc DLL
+
+include( FindWSWinLibs )
+FindWSWinLibs( "libilbc-.*" "ILBC_HINTS" )
+
+if (NOT USE_REPOSITORY)
+  find_package(PkgConfig)
+  pkg_search_module(PC_ILBC libilbc)
+endif()
+
+find_path(ILBC_INCLUDE_DIR
+  NAMES ilbc.h
+  HINTS
+    "${PC_ILBC_INCLUDE_DIRS}"
+    "${ILBC_HINTS}/include"
+  PATHS /usr/local/include /usr/include
+)
+
+find_library(ILBC_LIBRARY
+  NAMES
+    ilbc
+    libilbc-2
+  HINTS
+    "${PC_ILBC_LIBRARY_DIRS}"
+    "${ILBC_HINTS}/lib"
+  PATHS /usr/local/lib /usr/lib
+)
+
+# Check if ilbc library is WebRTC from https://github.com/TimothyGu/libilbc
+if(ILBC_INCLUDE_DIR AND ILBC_LIBRARY)
+  include(CheckSymbolExists)
+  cmake_push_check_state()
+  set(CMAKE_REQUIRED_INCLUDES ${ILBC_INCLUDE_DIR})
+  set(CMAKE_REQUIRED_LIBRARIES ${ILBC_LIBRARY})
+  check_symbol_exists("WebRtcIlbcfix_DecoderCreate" "ilbc.h" HAVE_ILBC_LIB_WEBRTC)
+  cmake_pop_check_state()
+
+  if(NOT HAVE_ILBC_LIB_WEBRTC)
+    message(STATUS "Ignoring incompatible iLBC library.")
+    # Unset the variables so the search will rerun next time
+    set(ILBC_INCLUDE_DIR "ILBC_INCLUDE_DIR-NOTFOUND" CACHE PATH "" FORCE)
+    set(ILBC_LIBRARY "ILBC_LIBRARY-NOTFOUND" CACHE FILEPATH "" FORCE)
+    unset(HAVE_ILBC_LIB_WEBRTC CACHE)
+  endif()
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(ILBC DEFAULT_MSG ILBC_LIBRARY ILBC_INCLUDE_DIR)
+
+if( ILBC_FOUND )
+  set( ILBC_INCLUDE_DIRS ${ILBC_INCLUDE_DIR} )
+  set( ILBC_LIBRARIES ${ILBC_LIBRARY} )
+  if (WIN32)
+    set ( ILBC_DLL_DIR "${ILBC_HINTS}/bin"
+      CACHE PATH "Path to ilbc DLL"
+    )
+    file( GLOB _ilbc_dll RELATIVE "${ILBC_DLL_DIR}"
+      "${ILBC_DLL_DIR}/libilbc-*.dll"
+    )
+    set ( ILBC_DLL ${_ilbc_dll}
+      # We're storing filenames only. Should we use STRING instead?
+      CACHE FILEPATH "ilbc DLL file name"
+    )
+    mark_as_advanced( ILBC_DLL_DIR ILBC_DLL )
+  endif()
+else()
+  set( ILBC_INCLUDE_DIRS )
+  set( ILBC_LIBRARIES )
+endif()
+
+mark_as_advanced( ILBC_LIBRARIES ILBC_INCLUDE_DIRS )
-- 
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