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-rw-r--r--unix/tcl.m43
1 files changed, 2 insertions, 1 deletions
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index e3325b1..ecfec69 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1877,7 +1877,8 @@ dnl # preprocessing tests use only CPPFLAGS.
AC_CHECK_HEADER(stdbool.h, [AC_DEFINE(HAVE_STDBOOL_H, 1, [Do we have <stdbool.h>?])],)
- #AC_CHECK_FUNCS([posix_spawnp])
+ # Check for vfork, posix_spawnp() and friends unconditionally
+ AC_CHECK_FUNCS(vfork posix_spawnp posix_spawn_file_actions_adddup2 posix_spawnattr_setflags)
# FIXME: This subst was left in only because the TCL_DL_LIBS
# entry in tclConfig.sh uses it. It is not clear why someone