Fix PNaCl configure/link errors.

* configure.in (nacl_cv_cpu_nick): fix typo in PNaCl.
  (XCFLAGS) Add -isystem flag to pnacl and nacl-newlib
  (CXX): added

* nacl/GNUmakefile.in (CXX): Added
  (PPROGRAM): Use clang++ instead of clang because libnacl_io
  depends on c++ std lib.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48095 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,13 @@
+Wed Oct 22 21:09:51 2014  Yuki Yugui Sonoda  <yugui@yugui.jp>
+
+	* configure.in (nacl_cv_cpu_nick): fix typo in PNaCl.
+	  (XCFLAGS) Add -isystem flag to pnacl and nacl-newlib
+	  (CXX): added
+
+	* nacl/GNUmakefile.in (CXX): Added
+	  (PPROGRAM): Use clang++ instead of clang because libnacl_io
+	  depends on c++ std lib.
+
 Wed Oct 22 21:07:32 2014  Yuki Yugui Sonoda  <yugui@yugui.jp>
 
 	* common.mk (build-ext): avoid trying to build dynamic libraries

configure.in

@@ -101,7 +101,7 @@ AC_DEFUN([RUBY_NACL],
           [i?86], [nacl_cv_cpu_nick=x86
                    nacl_cv_cpu_nick2=x86_32],
           [le32], [nacl_cv_cpu_nick=pnacl
-                   nacl_cv_cpu_nick2=pnacl,
+                   nacl_cv_cpu_nick2=pnacl
                    ac_cv_exeext=.pexe],
           [nacl_cv_cpu_nick=$target_cpu])
   AS_CASE(["$build_os"],
@@ -153,13 +153,19 @@ AC_DEFUN([RUBY_NACL],
   AC_MSG_RESULT(${NACL_SDK_ROOT}/toolchain/${NACL_TOOLCHAIN}/bin)
 
   RUBY_APPEND_OPTIONS(XCFLAGS, '-I$(NACL_SDK_ROOT)/include')
+  if test x"${nacl_cv_cpu_nick}" = xpnacl; then
+    RUBY_APPEND_OPTIONS(XCFLAGS, '-isystem $(NACL_SDK_ROOT)/include/pnacl')
+  elif test x"${nacl_cv_build_variant}" = xnewlib; then
+    RUBY_APPEND_OPTIONS(XCFLAGS, '-isystem $(NACL_SDK_ROOT)/include/newlib')
+  fi
+
   AC_MSG_CHECKING([nacl library path])
   if test -d "${NACL_SDK_ROOT}/lib/${nacl_cv_build_variant}_${nacl_cv_cpu_nick2}/Release"; then
     nacl_cv_libpath="${nacl_cv_build_variant}_${nacl_cv_cpu_nick2}"
   elif test -d "${NACL_SDK_ROOT}/lib/${nacl_cv_cpu_nick2}/Release"; then
     nacl_cv_libpath="${nacl_cv_cpu_nick2}"
   else
-    AC_MSG_ERROR("not found")
+    AC_MSG_ERROR([not found])
   fi
   AC_MSG_RESULT([${nacl_cv_libpath}])
   RUBY_APPEND_OPTIONS(XLDFLAGS, '-L$(NACL_SDK_ROOT)/'"lib/${nacl_cv_libpath}/Release")
@@ -169,6 +175,7 @@ AC_DEFUN([RUBY_NACL],
   AC_SUBST(NACL_SDK_VARIANT, "${nacl_cv_build_variant}")
   AC_SUBST(NACL_LIB_PATH, "${nacl_cv_libpath}")
   AC_CHECK_TOOLS(CC, [clang gcc])
+  AC_CHECK_TOOLS(CXX, [clang++ g++])
 ])])
 
 AC_DEFUN([RUBY_NACL_CHECK_PEPPER_TYPES],

nacl/GNUmakefile.in

@@ -7,12 +7,16 @@ include Makefile
 NACL_SDK_ROOT=@NACL_SDK_ROOT@
 NACL_TOOLCHAIN=@NACL_TOOLCHAIN@
 NACL_TOOLCHAIN_DIR=$(NACL_SDK_ROOT)/toolchain/$(NACL_TOOLCHAIN)
+CXX=@CXX@
 
 # Don't override CC/LD/etc if they are already set to absolute
 # paths (this is the case when building in the naclports tree).
 ifeq ($(dir $(CC)),./)
 CC:=$(NACL_TOOLCHAIN_DIR)/bin/$(CC)
 endif
+ifeq ($(dir $(CXX)),./)
+CXX:=$(NACL_TOOLCHAIN_DIR)/bin/$(CXX)
+endif
 ifeq ($(dir $(LD)),./)
 LD:=$(NACL_TOOLCHAIN_DIR)/bin/$(LD)
 endif
@@ -43,7 +47,7 @@ PPROGRAM_NMF=$(PPROGRAM:$(EXEEXT)=.nmf)
 
 GNUmakefile: $(srcdir)/nacl/GNUmakefile.in
 $(PPROGRAM): $(PROGRAM) pepper_main.$(OBJEXT)
-	$(Q)$(MAKE) $(MFLAGS) PROGRAM=$(PPROGRAM) MAINOBJ="pepper_main.$(OBJEXT)" LIBS="$(LIBS) $(PEPPER_LIBS)" program
+	$(Q)$(MAKE) $(MFLAGS) PROGRAM=$(PPROGRAM) MAINOBJ="pepper_main.$(OBJEXT)" LIBS="$(LIBS) $(PEPPER_LIBS)" CC="$(CXX)" program
 $(PROGRAM_NMF) $(PPROGRAM_NMF): $(@:.nmf=$(EXEEXT)) nacl/create_nmf.rb
 
 .PHONY: pprogram package show_naclflags