[glib/wip/pwithnall/freebsd-spawn-fix] WIP

[Philip Withnall <pwithnall src gnome org>]

commit c7510ab108690b360e82b2a4d559eaa53ae21eea
Author: Philip Withnall <pwithnall endlessos org>
Date:   Tue Feb 16 15:00:23 2021 +0000

    WIP
    
    Signed-off-by: Philip Withnall <pwithnall endlessos org>

 glib/gspawn.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/glib/gspawn.c b/glib/gspawn.c
index e185bfb9b..9fbe173a7 100644
--- a/glib/gspawn.c
+++ b/glib/gspawn.c
@@ -2555,12 +2555,15 @@ g_execute (const gchar  *file,
 
   if (search_path == NULL || strchr (file, '/') != NULL)
     {
+      int errsv;
       /* Don't search when it contains a slash. */
       if (envp)
         execve (file, argv, envp);
       else
         execv (file, argv);
-      g_message ("exec of %s failed: %d", file, errno);
+      errsv = errno;
+      g_message ("exec of %s failed: %d, %s", file, errsv, strerror (errsv));
+      errno = errsv;
       if (errno == ENOEXEC &&
           !script_execute (file, argv, argv_buffer, argv_buffer_len, envp))
         {