Improve API docs and configure system

There is now a super minimalistic configure script that automatically
detects the event system (epoll/kqueue) and generates a config.h and a
config.mk.

1 files changed, 24 insertions, 0 deletions

diff --git a/configure b/configure
new file mode 100755
index 0000000..820344e
--- /dev/null
+++ b/configure
@@ -0,0 +1,24 @@
+#! /usr/bin/env sh
+
+echo "/* Generated by configure */" > src/config.h
+echo "#ifndef _CONFIG_H" >> src/config.h
+echo "#define _CONFIG_H" >> src/config.h
+
+echo "# generated by configure" > config.mk
+
+echo -n "detecting event system... "
+if ./scripts/has_header "sys/epoll.h"; then
+    echo "epoll."
+    echo "#define HAS_EPOLL 1" >> src/config.h
+    echo "HAS_EPOLL ?= true" >> config.mk
+elif ./scripts/has_header "sys/event.h"; then
+    echo "kqueue."
+    echo "#define HAS_KQUEUE 1" >> src/config.h
+    echo "HAS_KQUEUE ?= true" >> config.mk
+else
+    echo "none."
+fi
+
+echo "#endif" >> src/config.h
+echo "wrote src/config.h"
+echo "wrote config.mk"