`popen()` is not available on emscripten

1 files changed, 5 insertions, 1 deletions

diff --git a/io.c b/io.c
index 4d5c3acd3a..533542b297 100644
--- a/io.c
+++ b/io.c
@@ -6625,6 +6625,7 @@ struct popen_arg {
 #endif
 
 #ifdef HAVE_WORKING_FORK
+# ifndef __EMSCRIPTEN__
 static void
 popen_redirect(struct popen_arg *p)
 {
@@ -6655,6 +6656,7 @@ popen_redirect(struct popen_arg *p)
         }
     }
 }
+# endif
 
 #if defined(__linux__)
 /* Linux /proc/self/status contains a line: "FDSize:\t<nnn>\n"
@@ -6735,6 +6737,7 @@ rb_close_before_exec(int lowfd, int maxhint, VALUE noclose_fds)
 #endif
 }
 
+# ifndef __EMSCRIPTEN__
 static int
 popen_exec(void *pp, char *errmsg, size_t errmsg_len)
 {
@@ -6742,9 +6745,10 @@ popen_exec(void *pp, char *errmsg, size_t errmsg_len)
 
     return rb_exec_async_signal_safe(p->eargp, errmsg, errmsg_len);
 }
+# endif
 #endif
 
-#if defined(HAVE_WORKING_FORK) || defined(HAVE_SPAWNV)
+#if (defined(HAVE_WORKING_FORK) || defined(HAVE_SPAWNV)) && !defined __EMSCRIPTEN__
 static VALUE
 rb_execarg_fixup_v(VALUE execarg_obj)
 {