Move "config" test programs to "compat".

It makes sense to me to have the little tests for functionality right
next to the comptability implementations of that same functionality.

But also, this means I can now tab-complete ./configure from the three
initial characters (rather than the seven required previously).

1 files changed, 13 insertions, 0 deletions

diff --git a/compat/have_getline.c b/compat/have_getline.c
new file mode 100644
index 00000000..a8bcd17e
--- /dev/null
+++ b/compat/have_getline.c
@@ -0,0 +1,13 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <sys/types.h>
+
+int main()
+{
+    ssize_t count = 0;
+    size_t n = 0;
+    char **lineptr = NULL;
+    FILE *stream = NULL;
+
+    count = getline(lineptr, &n, stream);
+}