From d7a1103e136b9cfeabb13f31d19b0f6eee3dbebb Mon Sep 17 00:00:00 2001
From: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Date: Sun, 5 Dec 2010 13:31:11 +1100
Subject: [PATCH] Add initial autoconf support to make it easier to get ported
 to other platforms

---
 Makefile => Makefile.in |  0
 autogen.sh              | 15 +++++++++++
 configure.ac            | 60 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 75 insertions(+)
 rename Makefile => Makefile.in (100%)
 create mode 100755 autogen.sh
 create mode 100644 configure.ac

diff --git a/Makefile b/Makefile.in
similarity index 100%
rename from Makefile
rename to Makefile.in
diff --git a/autogen.sh b/autogen.sh
new file mode 100755
index 0000000..7f086cd
--- /dev/null
+++ b/autogen.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+rm -rf autom4te.cache
+rm -f configure config.h.in ctdb.pc
+
+IPATHS="-I ./include -I ../include"
+
+autoheader $IPATHS || exit 1
+autoconf $IPATHS || exit 1
+
+rm -rf autom4te.cache
+
+echo "Now run ./configure and then make."
+exit 0
+
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..c6cdd44
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,60 @@
+AC_PREREQ(2.50)
+AC_INIT(libiscsi, m4_esyscmd([grep 'Version:' ./packaging/RPM/libiscsi.spec.in 2>/dev/null | head -1 | sed -e 's/[ \t]*Version:[ \t]*\([^ \t]*\)[ \t]*.*/\1/' | tr -d '\n']))
+AC_CONFIG_SRCDIR([lib/init.c])
+
+if test "${libdir}" = '${exec_prefix}/lib'; then
+  case `uname -m` in
+    x86_64|ppc64|powerpc64)
+      libdir='${exec_prefix}/lib64'
+      ;;
+    *)
+      libdir='${exec_prefix}/lib'
+      ;;
+  esac
+fi
+
+case `uname` in
+  Linux*)
+    ;;
+  AIX*)
+    ;;
+  *)
+    ;;
+esac
+
+if test "$ac_cv_prog_gcc" = yes; then
+   CFLAGS="$CFLAGS -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings"
+fi
+
+LOGDIR='${localstatedir}/log'
+AC_ARG_WITH([logdir],
+	[  --with-logdir=DIR       path to log directory [[LOCALSTATEDIR/log]]],
+	LOGDIR=$withval)
+if test ! -z "$LOGDIR"; then
+  if test "$LOGDIR" = "yes" -o "$LOGDIR" = "no"; then
+    AC_MSG_ERROR([--with-logdir must specify a path])
+  fi
+fi
+AC_SUBST(LOGDIR)
+
+AC_CONFIG_HEADER(config.h)
+
+EXTRA_OBJ=""
+
+#AC_CHECK_HEADERS(sched.h)
+#AC_CHECK_FUNCS(mlockall)
+
+AC_CACHE_CHECK([for sin_len in sock],libiscsi_cv_HAVE_SOCK_SIN_LEN,[
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>],
+[struct sockaddr_in sock; sock.sin_len = sizeof(sock);],
+libiscsi_cv_HAVE_SOCK_SIN_LEN=yes,libiscsi_cv_HAVE_SOCK_SIN_LEN=no)])
+if test x"$libiscsi_cv_HAVE_SOCK_SIN_LEN" = x"yes"; then
+    AC_DEFINE(HAVE_SOCK_SIN_LEN,1,[Whether the sockaddr_in struct has a sin_len property])
+fi
+
+AC_SUBST(EXTRA_OBJ)
+#AC_SUBST(LIBISCSI_LDFLAGS)
+
+AC_OUTPUT(Makefile)