--- gcc-10.4.0.old/libsanitizer/asan/asan_linux.cpp
+++ gcc-10.4.0/libsanitizer/asan/asan_linux.cpp
@@ -64,6 +64,10 @@
 #define ucontext_t xucontext_t
 #endif
 
+#ifndef PATH_MAX
+#define PATH_MAX 4096
+#endif
+
 typedef enum {
   ASAN_RT_VERSION_UNDEFINED = 0,
   ASAN_RT_VERSION_DYNAMIC,