diff --git a/bsd-user/bsdload.c b/bsd-user/bsdload.c
index 6d9bb6fb4e..2abc7136e0 100644
--- a/bsd-user/bsdload.c
+++ b/bsd-user/bsdload.c
@@ -196,7 +196,7 @@ int loader_exec(const char * filename, char ** argv, char ** envp,
 
     /* Something went wrong, return the inode and free the argument pages*/
     for (i=0 ; i<MAX_ARG_PAGES ; i++) {
-        free(bprm.page[i]);
+        g_free(bprm.page[i]);
     }
     return(retval);
 }
diff --git a/bsd-user/elfload.c b/bsd-user/elfload.c
index 1ef1f972fc..12888840a4 100644
--- a/bsd-user/elfload.c
+++ b/bsd-user/elfload.c
@@ -641,8 +641,7 @@ static abi_ulong copy_elf_strings(int argc,char ** argv, void **page,
                 offset = p % TARGET_PAGE_SIZE;
                 pag = (char *)page[p/TARGET_PAGE_SIZE];
                 if (!pag) {
-                    pag = (char *)malloc(TARGET_PAGE_SIZE);
-                    memset(pag, 0, TARGET_PAGE_SIZE);
+                    pag = g_try_malloc0(TARGET_PAGE_SIZE);
                     page[p/TARGET_PAGE_SIZE] = pag;
                     if (!pag)
                         return 0;
@@ -696,7 +695,7 @@ static abi_ulong setup_arg_pages(abi_ulong p, struct linux_binprm *bprm,
             info->rss++;
             /* FIXME - check return value of memcpy_to_target() for failure */
             memcpy_to_target(stack_base, bprm->page[i], TARGET_PAGE_SIZE);
-            free(bprm->page[i]);
+            g_free(bprm->page[i]);
         }
         stack_base += TARGET_PAGE_SIZE;
     }
diff --git a/configure b/configure
index 5fbd81285f..2686657f0f 100755
--- a/configure
+++ b/configure
@@ -1111,7 +1111,7 @@ fi
 
 if test "$pie" = ""; then
   case "$cpu-$targetos" in
-    i386-Linux|x86_64-Linux)
+    i386-Linux|x86_64-Linux|i386-OpenBSD|x86_64-OpenBSD)
       ;;
     *)
       pie="no"
@@ -1523,9 +1523,6 @@ EOF
   if compile_prog "$sdl_cflags" "$sdl_libs" ; then
     sdl_libs="$sdl_libs -lX11"
   fi
-  if test "$mingw32" = "yes" ; then
-    sdl_libs="`echo $sdl_libs | sed s/-mwindows//g` -mconsole"
-  fi
   libs_softmmu="$sdl_libs $libs_softmmu"
 fi
 
diff --git a/exec.c b/exec.c
index 6b92198e62..d8b2180170 100644
--- a/exec.c
+++ b/exec.c
@@ -1603,8 +1603,10 @@ void cpu_set_log(int log_flags)
             static char logfile_buf[4096];
             setvbuf(logfile, logfile_buf, _IOLBF, sizeof(logfile_buf));
         }
-#elif !defined(_WIN32)
-        /* Win32 doesn't support line-buffering and requires size >= 2 */
+#elif defined(_WIN32)
+        /* Win32 doesn't support line-buffering, so use unbuffered output. */
+        setvbuf(logfile, NULL, _IONBF, 0);
+#else
         setvbuf(logfile, NULL, _IOLBF, 0);
 #endif
         log_append = 1;