compat: Change includes from config.h to compat.h.

We may switch to using an autoconf-like config.h, but we're not doing
that just yet.

compat/compat.h

@@ -0,0 +1,41 @@
+/* notmuch - Not much of an email library, (just index and search)
+ *
+ * Copyright © 2009 Carl Worth
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see http://www.gnu.org/licenses/ .
+ *
+ * Author: Carl Worth <cworth@cworth.org>
+ */
+
+/* This header file defines functions that will only be conditionally
+ * compiled for compatibility on systems that don't provide their own
+ * implementations of the functions.
+ */
+
+#ifndef NOTMUCH_COMPAT_H
+#define NOTMUCH_COMPAT_H
+
+#if !HAVE_GETLINE
+#include <stdio.h>
+#include <unistd.h>
+
+ssize_t
+getline (char **lineptr, size_t *n, FILE *stream);
+
+ssize_t
+getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp);
+
+#endif /* !HAVE_GETLINE */
+
+#endif /* NOTMUCH_COMPAT_H */

compat/getdelim.c

@@ -19,7 +19,7 @@
 
 /* Ported from glibc by Simon Josefsson. */
 
-#include <config.h>
+#include "compat.h"
 
 #include <stdio.h>
 

compat/getline.c

@@ -18,7 +18,7 @@
 
 /* Written by Simon Josefsson. */
 
-#include <config.h>
+#include "compat.h"
 
 #include <stdio.h>