Add mruby as submodule; disable mruby by default for now

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "third-party/mruby"]
+	path = third-party/mruby
+	url = https://github.com/mruby/mruby

configure.ac

@@ -121,8 +121,8 @@ AC_ARG_WITH([spdylay],
 
 AC_ARG_WITH([mruby],
     [AS_HELP_STRING([--with-mruby],
-                    [Use mruby [default=check]])],
-    [request_mruby=$withval], [request_mruby=check])
+                    [Use mruby [default=no]])],
+    [request_mruby=$withval], [request_mruby=no])
 
 AC_ARG_WITH([cython],
     [AS_HELP_STRING([--with-cython=PATH],
@@ -376,28 +376,14 @@ fi
 AM_CONDITIONAL([HAVE_SPDYLAY], [ test "x${have_spdylay}" = "xyes" ])
 
 # mruby (for src/nghttpx)
-AC_LANG_PUSH(C++)
-LIBS_OLD=$LIBS
-have_mruby=no
-if test "x${request_mruby}" != "xno"; then
-  AC_CHECK_LIB([mruby], [mrb_open], [have_mruby=yes], [have_mruby=no], [-lm])
-  if test "x${have_mruby}" = "xyes"; then
-    AC_CHECK_HEADER([mruby.h], [have_mruby=yes], [have_mruby=no])
-    if test "x${have_mruby}" = "xyes"; then
-      AC_DEFINE([HAVE_MRUBY], [1], [Define to 1 if you have `mruby` library.])
-      LIBMRUBY_LIBS="-lmruby -lm"
-      LIBMRUBY_CFLAGS=
-      AC_SUBST([LIBMRUBY_LIBS])
-      AC_SUBST([LIBMRUBY_CFLAGS])
-    fi
-  fi
-fi
-LIBS=$LIBS_OLD
-AC_LANG_POP()
-
-if test "x${request_mruby}" = "xyes" &&
-   test "x${have_mruby}" != "xyes"; then
-  AC_MSG_ERROR([mruby was requested (--with-mruby) but not found])
+if test "x${request_mruby}" = "xyes"; then
+  # We are going to build mruby
+  have_mruby=yes
+  AC_DEFINE([HAVE_MRUBY], [1], [Define to 1 if you have `mruby` library.])
+  LIBMRUBY_LIBS="-lmruby -lm"
+  LIBMRUBY_CFLAGS=
+  AC_SUBST([LIBMRUBY_LIBS])
+  AC_SUBST([LIBMRUBY_CFLAGS])
 fi
 
 AM_CONDITIONAL([HAVE_MRUBY], [test "x${have_mruby}" = "xyes"])

src/Makefile.am

@@ -141,10 +141,13 @@ endif # HAVE_MRUBY
 
 noinst_LIBRARIES = libnghttpx.a
 libnghttpx_a_SOURCES = ${NGHTTPX_SRCS}
+libnghttpx_a_CPPFLAGS = ${AM_CPPFLAGS} \
+	-I${top_srcdir}/third-party/mruby/include @LIBMRUBY_CFLAGS@
 
 nghttpx_SOURCES = shrpx.cc shrpx.h
-nghttpx_CPPFLAGS = ${AM_CPPFLAGS} @LIBMRUBY_CFLAGS@
-nghttpx_LDADD = libnghttpx.a ${LDADD} @LIBMRUBY_LIBS@
+nghttpx_CPPFLAGS = ${libnghttpx_a_CPPFLAGS}
+nghttpx_LDADD = libnghttpx.a ${LDADD} \
+	-L${top_builddir}/third-party/mruby/build/lib @LIBMRUBY_LIBS@
 
 if HAVE_CUNIT
 check_PROGRAMS += nghttpx-unittest
@@ -158,10 +161,12 @@ nghttpx_unittest_SOURCES = shrpx-unittest.cc \
 	nghttp2_gzip.c nghttp2_gzip.h \
 	buffer_test.cc buffer_test.h \
 	memchunk_test.cc memchunk_test.h
-nghttpx_unittest_CPPFLAGS = ${AM_CPPFLAGS} @LIBMRUBY_CFLAGS@ \
+nghttpx_unittest_CPPFLAGS = ${AM_CPPFLAGS} \
+	-I${top_srcdir}/third-party/mruby/include @LIBMRUBY_CFLAGS@ \
 	-DNGHTTP2_TESTS_DIR=\"$(top_srcdir)/tests\"
 nghttpx_unittest_LDADD = libnghttpx.a ${LDADD} \
-	@LIBMRUBY_LIBS@ @CUNIT_LIBS@ @TESTLDADD@
+	-L${top_builddir}/third-party/mruby/build/lib @LIBMRUBY_LIBS@ \
+	@CUNIT_LIBS@ @TESTLDADD@
 
 TESTS += nghttpx-unittest
 endif # HAVE_CUNIT

third-party/Makefile.am

@@ -30,5 +30,21 @@ libhttp_parser_la_SOURCES = \
 	http-parser/http_parser.c \
 	http-parser/http_parser.h
 
+.PHONY: all-local clean mruby
+
+if HAVE_MRUBY
+
+mruby:
+	git submodule update --init
+	MRUBY_CONFIG=${srcdir}/build_config.rb \
+	BUILD_DIR=${abs_builddir}/mruby/build \
+	${srcdir}/mruby/minirake -f ${srcdir}/mruby/Rakefile
+
+all-local: mruby
+
+clean-local:
+	-rm -rf ${abs_builddir}/mruby/build
+
+endif # HAVE_MRUBY
 
 endif # ENABLE_THIRD_PARTY

third-party/mruby

@@ -0,0 +1 @@
+Subproject commit 1cbbb7e11c02d381a6b76aeebae8db0f54ae9baf