# Disables checking for endianness when targeting Emscripten because it causes configuration errors, and because we already know Emscripten targets are always little-endian.

--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -137,7 +137,10 @@ check_c_source_compiles("
     }"
     HAVE_LANGINFO_CODESET)
 
-test_big_endian(CPU_IS_BIG_ENDIAN)
+string(TOLOWER ${CMAKE_SYSTEM_NAME} SYSTEM_LOWER)
+if(NOT SYSTEM_LOWER STREQUAL "emscripten")
+    test_big_endian(CPU_IS_BIG_ENDIAN)
+endif()
 
 check_c_compiler_flag(-Werror HAVE_WERROR_FLAG)
 check_c_compiler_flag(-Wdeclaration-after-statement HAVE_DECL_AFTER_STMT_FLAG)