From 510abe6bea3d75473589992c227a474564c0a77d Mon Sep 17 00:00:00 2001
From: meowtec <bertonzh@gmail.com>
Date: Thu, 23 Nov 2023 19:06:55 +0800
Subject: [PATCH] Fix private libraries for libcpp

---
 CMakeLists.txt | 8 ++++++++
 libde265.pc.in | 4 ++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ea8e183d..2444c78a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,6 +44,14 @@ if(CMAKE_COMPILER_IS_GNUCXX OR ${CMAKE_CXX_COMPILER_ID} MATCHES Clang)
   add_definitions(-Wall)
 endif()
 
+include(CheckCXXSymbolExists)
+check_cxx_symbol_exists(_LIBCPP_VERSION cstdlib HAVE_LIBCPP)
+if(HAVE_LIBCPP)
+  set(LIBS_PRIVATE "-lc++")
+else()
+  set(LIBS_PRIVATE "-lstdc++")
+endif()
+
 option(BUILD_SHARED_LIBS "Build shared library" ON)
 if(NOT BUILD_SHARED_LIBS)
   add_definitions(-DLIBDE265_STATIC_BUILD)
diff --git a/libde265.pc.in b/libde265.pc.in
index e3f23ed8..027062d7 100644
--- a/libde265.pc.in
+++ b/libde265.pc.in
@@ -7,7 +7,7 @@ Name: libde265
 Description: H.265/HEVC video decoder.
 URL: https://github.com/strukturag/libde265
 Version: @VERSION@
-Requires: 
+Requires:
 Libs: -lde265 -L${libdir}
-Libs.private: @LIBS@ -lstdc++
+Libs.private: @LIBS_PRIVATE@
 Cflags: -I${includedir}