nobu	2013-10-22 12:11:20 +0900 (Tue, 22 Oct 2013)

  New Revision: 43382

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43382

  Log:
    configure.in: check CFLAGS and LDFLAGS
    
    * configure.in: check if the given CFLAGS and LDFLAGS are working, and
      bail out early if not.

  Modified files:
    trunk/ChangeLog
    trunk/configure.in
Index: configure.in
===================================================================
--- configure.in	(revision 43381)
+++ configure.in	(revision 43382)
@@ -645,6 +645,25 @@ else https://github.com/ruby/ruby/blob/trunk/configure.in#L645
   unset ac_c_werror_flag
 fi])
 
+RUBY_WERROR_FLAG([
+    AC_MSG_CHECKING([whether CFLAGS is valid])
+    AC_TRY_COMPILE([], [],
+	[AC_MSG_RESULT(yes)],
+	[
+	AC_MSG_RESULT(no)
+	AC_MSG_ERROR([something wrong with CFLAGS="$CFLAGS"])
+	]
+    )
+    AC_MSG_CHECKING([whether LDFLAGS is valid])
+    AC_TRY_LINK([], [],
+	[AC_MSG_RESULT(yes)],
+	[
+	AC_MSG_RESULT(no)
+	AC_MSG_ERROR([something wrong with LDFLAGS="$LDFLAGS"])
+	]
+    )
+])
+
 AC_DEFUN(RUBY_TRY_CFLAGS, [
     AC_MSG_CHECKING([whether ]$1[ is accepted as CFLAGS])
     RUBY_WERROR_FLAG([
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 43381)
+++ ChangeLog	(revision 43382)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Tue Oct 22 12:11:16 2013  Nobuyoshi Nakada  <nobu@r...>
+
+	* configure.in: check if the given CFLAGS and LDFLAGS are working, and
+	  bail out early if not.
+
 Tue Oct 22 00:06:57 2013  Nobuyoshi Nakada  <nobu@r...>
 
 	* file.c (rb_file_exists_p): warn deprecated name.  [Bug #9041]

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