https://github.com/rdiankov/collada-dom/pull/44

From: lenik terenin <lenik@lazydroid.com>
Date: Thu, 14 Nov 2024 14:59:37 +0900
Subject: [PATCH] enable "-fPIC" for CLANG toolchain

---
 CMakeLists.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 20635b2..9764534 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -183,7 +183,12 @@ foreach(ldir ${Boost_LIBRARY_DIRS})
   set(COLLADA_DOM_BOOST_LIB_DIRS "${COLLADA_DOM_BOOST_LIB_DIRS} -L${ldir}")
 endforeach()
 
-if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
+set(COMPILER_IS_CLANG FALSE)
+if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+  set(COMPILER_IS_CLANG TRUE)
+endif()
+
+if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR COMPILER_IS_CLANG)
   set(EXTRA_COMPILE_FLAGS "${COLLADA_DOM_EXTERNAL_FLAGS} -DCOLLADA_DOM_NAMESPACE -fPIC")
 else()
   set(EXTRA_COMPILE_FLAGS "${COLLADA_DOM_EXTERNAL_FLAGS} -DCOLLADA_DOM_NAMESPACE")