Build crfsuite on macos

crfsuite.build.patch

diff --git a/configure.in b/configure.in
index dafbcf6..743037c 100644
--- a/configure.in
+++ b/configure.in
@@ -30,7 +30,7 @@ dnl ------------------------------------------------------------------
 AM_INIT_AUTOMAKE(crfsuite, 0.12)
 AC_CONFIG_HEADERS(config.h)
 AM_MAINTAINER_MODE
-AM_C_PROTOTYPES
+
 
 
 dnl ------------------------------------------------------------------
diff --git a/swig/python/setup.py b/swig/python/setup.py
index 9442110..c0ce097 100644
--- a/swig/python/setup.py
+++ b/swig/python/setup.py
@@ -26,7 +26,7 @@ crfsuite_module = Extension(
         'export_wrap.cpp',
         ],
 #    include_dirs=['../../include',],
-    extra_link_args=['-shared'],
+    extra_link_args=['-shared', '-Wl,-undefined,dynamic_lookup'],
 #    library_dirs=['../../lib/crf',],
     libraries=['crfsuite'],
 #    extra_objects=['../../lib/crf/libcrfsuite.la'],

gistfile1.md

1. autoreconf -vfi
2. ./configure
3. make

Thanks! It works. but I find it no need to execute below command

➜  ~ autoreconf -vfi
zsh: command not found: autoreconf