Only read /etc/environment on Linux and AIX

env.c

@@ -737,6 +737,7 @@ validate_env_vars(env_vars)
     }
 }
 
+#if defined(__linux__) || defined(_AIX)
 /*
  * Read in /etc/environment ala AIX and Linux.
  * Lines are in the form of NAME=VALUE
@@ -770,6 +771,7 @@ read_env_file(path)
     }
     fclose(fp);
 }
+#endif /* __linux__ || _AIX */
 
 void
 init_envtables()

sudo.c

@@ -462,8 +462,10 @@ main(argc, argv, envp)
 	    if (chdir(runas_pw->pw_dir) == -1)
 		warning("unable to change directory to %s", runas_pw->pw_dir);
 
+#if defined(__linux__) || defined(_AIX)
 	    /* Insert system-wide environment variables. */
 	    read_env_file(_PATH_ENVIRONMENT);
+#endif
 	}
 
 	if (ISSET(sudo_mode, MODE_EDIT))

sudo.pod

@@ -209,8 +209,8 @@ shell is executed.  B<sudo> attempts to change to that user's home
 directory before running the shell.  It also initializes the
 environment, leaving I<DISPLAY> and I<TERM> unchanged, setting
 I<HOME>, I<SHELL>, I<USER>, I<LOGNAME>, and I<PATH>, as well as
-the contents of F</etc/environment>.  All other environment variables
-are removed.
+the contents of F</etc/environment> on Linux and AIX systems.
+All other environment variables are removed.
 
 =item -K
 
@@ -506,7 +506,7 @@ Default editor to use in B<-e> (sudoedit) mode
 
 =item F<@timedir@>C<		>Directory containing timestamps
 
-=item F</etc/environment>C<	>Initial environment for B<-i> mode
+=item F</etc/environment>C<	>Initial environment for B<-i> mode on Linux and AIX
 
 =back