1 files changed, 53 insertions, 0 deletions
diff --git a/gcc/d/d-system.h b/gcc/d/d-system.h
new file mode 100644
index 0000000..25a83b6
--- /dev/null
+++ b/gcc/d/d-system.h
@@ -0,0 +1,53 @@
+/* d-system.h -- DMD frontend inclusion of gcc header files.
+ * Copyright (C) 2018 Free Software Foundation, Inc.
+ *
+ * GCC is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GCC is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GCC; see the file COPYING3.  If not see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GCC_D_SYSTEM_H
+#define GCC_D_SYSTEM_H
+
+#include "config.h"
+#include "system.h"
+
+/* Used by the dmd front-end to determine if we have POSIX-style IO.  */
+#define POSIX (__linux__ || __GLIBC__ || __gnu_hurd__ || __APPLE__ \
+	       || __FreeBSD__ || __OpenBSD__ || __DragonFly__ || __sun)
+
+/* Forward assert invariants to gcc_assert.  */
+#undef assert
+#define assert(EXPR) gcc_assert(EXPR)
+
+/* Forward ctype.h macros used by the dmd front-end to safe-ctype.h.  */
+#undef isalpha
+#define isalpha(c) ISALPHA(c)
+#undef isalnum
+#define isalnum(c) ISALNUM(c)
+#undef isdigit
+#define isdigit(c) ISDIGIT(c)
+#undef islower
+#define islower(c) ISLOWER(c)
+#undef isprint
+#define isprint(c) ISPRINT(c)
+#undef isspace
+#define isspace(c) ISSPACE(c)
+#undef isupper
+#define isupper(c) ISUPPER(c)
+#undef isxdigit
+#define isxdigit(c) ISXDIGIT(c)
+#undef tolower
+#define tolower(c) TOLOWER(c)
+
+#endif  /* GCC_D_SYSTEM_H  */