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-rw-r--r--configure.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index d91abf98fa..d42e1acac3 100644
--- a/configure.in
+++ b/configure.in
@@ -1302,7 +1302,7 @@ if test "$rb_cv_have_signbit" = yes; then
else
AC_LIBOBJ([signbit])
fi
-AC_CHECK_FUNCS(fmod killpg wait4 waitpid fork spawnv syscall chroot getcwd eaccess\
+AC_CHECK_FUNCS(fmod killpg wait4 waitpid fork spawnv syscall __syscall chroot getcwd eaccess\
truncate ftruncate chsize times utimes utimensat fcntl lockf lstat\
link symlink readlink readdir_r fsync fdatasync fchown posix_fadvise\
setitimer setruid seteuid setreuid setresuid setproctitle socketpair\