diff --git a/net-im/tg_owt/files/patch-cmake_external.cmake b/net-im/tg_owt/files/patch-cmake_external.cmake
new file mode 100644
index 000000000000..cfd164d0aa03
--- /dev/null
+++ b/net-im/tg_owt/files/patch-cmake_external.cmake
@@ -0,0 +1,12 @@
+--- cmake/external.cmake.orig	2023-01-11 16:35:01 UTC
++++ cmake/external.cmake
+@@ -120,6 +120,9 @@ function(link_libabsl target_name)
+                 absl::type_traits
+                 absl::variant
+             )
++            find_package(PkgConfig REQUIRED)
++            pkg_check_modules(ABSL REQUIRED QUIET absl_flags)
++            target_include_directories(${target_name} PRIVATE ${ABSL_INCLUDE_DIRS})
+         endif()
+     endif()
+     if (NOT absl_FOUND)
diff --git a/net-im/tg_owt/files/patch-src_common__audio_wav__header.cc b/net-im/tg_owt/files/patch-src_common__audio_wav__header.cc
index 5f8f73eff0db..94e5736ebc48 100644
--- a/net-im/tg_owt/files/patch-src_common__audio_wav__header.cc
+++ b/net-im/tg_owt/files/patch-src_common__audio_wav__header.cc
@@ -1,36 +1,36 @@
---- src/common_audio/wav_header.cc.orig	2022-02-09 19:21:53 UTC
+--- src/common_audio/wav_header.cc.orig	2023-01-05 05:48:49 UTC
 +++ src/common_audio/wav_header.cc
 @@ -26,10 +26,6 @@
  namespace webrtc {
  namespace {
  
 -#ifndef WEBRTC_ARCH_LITTLE_ENDIAN
 -#error "Code not working properly for big endian platforms."
 -#endif
 -
  #pragma pack(2)
  struct ChunkHeader {
    uint32_t ID;
-@@ -119,9 +115,22 @@ uint32_t PackFourCC(char a, char b, char c, char d) {
+@@ -113,9 +109,22 @@ uint32_t PackFourCC(char a, char b, char c, char d) {
    return packed_value;
  }
  
 +#ifdef WEBRTC_ARCH_LITTLE_ENDIAN
  std::string ReadFourCC(uint32_t x) {
    return std::string(reinterpret_cast<char*>(&x), 4);
  }
 +#else
 +static inline uint32_t ReadLE32(uint32_t x) {
 +  return ((x << 24) & 0xFF000000)
 +       | ((x <<  8) & 0x00FF0000)
 +       | ((x >>  8) & 0x0000FF00)
 +       | ((x >> 24) & 0x000000FF);
 +}
 +std::string ReadFourCC(uint32_t x) {
 +  x = ReadLE32(x);
 +  return std::string(reinterpret_cast<char*>(&x), 4);
 +}
 +#endif
  
  uint16_t MapWavFormatToHeaderField(WavFormat format) {
    switch (format) {