Replace custom configure script with Autotools

Makefile.am

@@ -0,0 +1,11 @@
+warning_flags = -Wall -Wextra -Wshadow -Wno-unused-parameter
+common_cflags = -O3 -ffast-math $(MFLAGS) $(warning_flags)
+AM_CXXFLAGS = -std=c++11 $(common_cflags)
+
+AM_CPPFLAGS = $(VapourSynth_CFLAGS)
+
+lib_LTLIBRARIES = libeedi2.la
+
+libeedi2_la_SOURCES = EEDI2/EEDI2.cpp
+
+libeedi2_la_LDFLAGS = -no-undefined -avoid-version $(PLUGINLDFLAGS)

autogen.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+autoreconf --verbose --install --force

configure.ac

@@ -0,0 +1,51 @@
+AC_INIT([EEDI2], [7], [https://github.com/HomeOfVapourSynthEvolution/VapourSynth-EEDI2/issues], [EEDI2], [https://github.com/HomeOfVapourSynthEvolution/VapourSynth-EEDI2/])
+
+: ${CXXFLAGS=""}
+
+AM_INIT_AUTOMAKE([foreign no-dist-gzip dist-xz subdir-objects no-define])
+AM_SILENT_RULES([yes])
+
+LT_INIT([disable-static win32-dll])
+
+AC_PROG_CXX
+
+AC_CANONICAL_HOST
+
+
+X86="false"
+PPC="false"
+ARM="false"
+
+AS_CASE(
+        [$host_cpu],
+        [i?86], [BITS="32" X86="true"],
+        [x86_64], [BITS="64" X86="true"],
+        [powerpc*], [PPC="true"],
+        [arm*], [ARM="true"]
+)
+
+AS_CASE(
+        [$host_os],
+        [cygwin*|mingw*],
+        [
+         AS_IF(
+               [test "x$BITS" = "x32"],
+               [
+                AC_SUBST([PLUGINLDFLAGS], ["-Wl,--kill-at"])
+               ]
+         )
+        ]
+)
+
+AS_IF(
+      [test "x$X86" = "xtrue"],
+      [
+       AC_SUBST([MFLAGS], ["-mfpmath=sse -msse2"])
+      ]
+)
+
+
+PKG_CHECK_MODULES([VapourSynth], [vapoursynth])
+
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT