X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fbacktrace.c;h=98189b91a883d27d892753467b1976db71a525eb;hb=cc32d78e47dfcad7634e26e69797094ed683a888;hp=e7420e93e620cac8625d7d45fe38a4c9fc7fe6f3;hpb=4023b1bec2412344e5eea4a33cd85dd662149c67;p=sbcl.git

diff --git a/src/runtime/backtrace.c b/src/runtime/backtrace.c
index e7420e9..98189b9 100644
--- a/src/runtime/backtrace.c
+++ b/src/runtime/backtrace.c
@@ -34,9 +34,11 @@
 #include "thread.h"
 
 #ifdef LISP_FEATURE_OS_PROVIDES_DLADDR
+# ifndef __USE_GNU
 /* __USE_GNU needed if we want dladdr() and Dl_Info from glibc. */
-#define __USE_GNU
-#include "dlfcn.h"
+# define __USE_GNU
+# endif
+# include "dlfcn.h"
 #endif
 
 #if !(defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64))