I have a patch that fixes it for OS X. Obviously this isn't portable, but should give us the right idea. ``` diff --git a/src/or/transports.c b/src/or/transports.c index d279d7a..3393850 100644 --- a/src/or/transports.c +++ b/src/or/transports.c @@ -91,6 +91,8 @@ #include "util.h" #include "router.h" +#include <crt_externs.h> + #ifdef _WIN32 static void set_managed_proxy_environment(LPVOID *envp, const managed_proxy_t *mp); @@ -1076,8 +1078,6 @@ set_managed_proxy_environment(LPVOID *envp, const managed_proxy_t *mp) #else /* _WIN32 */ -extern char **environ; - /** Prepare the environment <b>envp</b> of managed proxy <b>mp</b>. * <b>envp</b> is allocated on the heap and should be freed by the * caller after its use. */ @@ -1090,7 +1090,7 @@ set_managed_proxy_environment(char ***envp, const managed_proxy_t *mp) char *transports_to_launch=NULL; char *bindaddr=NULL; int environ_size=0; - char **environ_tmp = environ; + char **environ_tmp = *_NSGetEnviron(); int n_envs = mp->is_server ? ENVIRON_SIZE_SERVER : ENVIRON_SIZE_CLIENT; @@ -1098,7 +1098,7 @@ set_managed_proxy_environment(char ***envp, const managed_proxy_t *mp) environ_size++; environ_tmp++; } - environ_tmp = environ; + environ_tmp = *_NSGetEnviron(); /* allocate enough space for our env. vars and a NULL pointer */ *envp = tor_malloc(sizeof(char*)*(environ_size+n_envs+1)); ```