From b18127bc0ff43c993602050457237e26c9508196 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Fri, 12 May 2017 06:31:28 -0700
Subject: ffi: darwin port: missing types.

* configure: detect clockid_t and loff_t, providing
HAVE_CLOCKID_T and HAVE_LOFF_T config macros.

* ffi.c (ffi_init_extra_types): Register clockid-t
and loff-t types only if available.
---
 configure | 38 ++++++++++++++++++++++++++++++++++++++
 ffi.c     |  4 ++++
 2 files changed, 42 insertions(+)

diff --git a/configure b/configure
index a59cdaf9..c9b26f23 100755
--- a/configure
+++ b/configure
@@ -2825,6 +2825,44 @@ else
   printf "no\n"
 fi
 
+printf "Checking for clockid_t ... "
+cat > conftest.c <<!
+#include <sys/types.h>
+
+int main(void)
+{
+  clockid_t cid = CLOCK_REALTIME;
+  return 0;
+}
+!
+
+if conftest ; then
+  printf "yes\n"
+  printf "#define HAVE_CLOCKID_T 1\n" >> config.h
+  have_sys_types=y
+else
+  printf "no\n"
+fi
+
+printf "Checking for loff_t ... "
+cat > conftest.c <<!
+#include <sys/types.h>
+
+int main(void)
+{
+  loff_t lo = 0;
+  return 0;
+}
+!
+
+if conftest ; then
+  printf "yes\n"
+  printf "#define HAVE_LOFF_T 1\n" >> config.h
+  have_sys_types=y
+else
+  printf "no\n"
+fi
+
 #
 # Dependent variables
 #
diff --git a/ffi.c b/ffi.c
index ab640591..d34a1bb6 100644
--- a/ffi.c
+++ b/ffi.c
@@ -1779,8 +1779,10 @@ static void ffi_init_extra_types(void)
               type_by_size[(blkcnt_t) -1 > 0][sizeof (blkcnt_t)]);
   ffi_typedef(intern(lit("blksize-t"), user_package),
               type_by_size[(blksize_t) -1 > 0][sizeof (blksize_t)]);
+#if HAVE_CLOCKID_T
   ffi_typedef(intern(lit("clockid-t"), user_package),
               type_by_size[(clockid_t) -1 > 0][sizeof (clockid_t)]);
+#endif
   ffi_typedef(intern(lit("dev-t"), user_package),
               type_by_size[(dev_t) -1 > 0][sizeof (dev_t)]);
   ffi_typedef(intern(lit("fsblkcnt-t"), user_package),
@@ -1795,8 +1797,10 @@ static void ffi_init_extra_types(void)
               type_by_size[(ino_t) -1 > 0][sizeof (ino_t)]);
   ffi_typedef(intern(lit("key-t"), user_package),
               type_by_size[(key_t) -1 > 0][sizeof (key_t)]);
+#if HAVE_LOFF_T
   ffi_typedef(intern(lit("loff-t"), user_package),
               type_by_size[(loff_t) -1 > 0][sizeof (loff_t)]);
+#endif
   ffi_typedef(intern(lit("mode-t"), user_package),
               type_by_size[(mode_t) -1 > 0][sizeof (mode_t)]);
   ffi_typedef(intern(lit("nlink-t"), user_package),
-- 
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