nobu	2018-09-21 16:19:13 +0900 (Fri, 21 Sep 2018)

  New Revision: 64802

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=64802

  Log:
    darwin-cc: hide ld warnings
    
    * tool/darwin-cc: ld in Apple's recent Xcode warns text-based stub
      files, which are probably caused by Apple's broken package.
      hide such (and architecture deprecation) warnings during
      configuration to pass TRY_LDFLAGS.

  Added files:
    trunk/tool/darwin-cc
  Modified files:
    trunk/configure.ac
Index: tool/darwin-cc
===================================================================
--- tool/darwin-cc	(nonexistent)
+++ tool/darwin-cc	(revision 64802)
@@ -0,0 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/tool/darwin-cc#L1
+#!/bin/bash
+exec 2> >(exec grep -v \
+  -e '^ld: warning: The [a-z0-9_][a-z0-9_]* architecture is deprecated for macOS' \
+  -e '^ld: warning: text-based stub file /System/Library/Frameworks/' \
+  >&2)
+exec "$@"

Property changes on: tool/darwin-cc
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: configure.ac
===================================================================
--- configure.ac	(revision 64801)
+++ configure.ac	(revision 64802)
@@ -211,6 +211,18 @@ AS_CASE(["$build_os"], https://github.com/ruby/ruby/blob/trunk/configure.ac#L211
       [xcc|x/usr/bin/cc],           [: ${CXX=c++}],
       [xicc],                       [: ${CXX=icpc}],
       [xclang|x/usr/bin/clang],     [: ${CXX=clang++}])
+
+    # Xcode linker warns for deprecated architecture and wrongly
+    # installed TBD files.
+    CC_WRAPPER=""
+    AS_IF([! $CC -E -xc - <<SRC >/dev/null 2>&1], [
+	@%:@if defined __APPLE_CC__ && defined __clang_major__ && __clang_major__ >= 10
+	@%:@error ignore linker warnings
+	@%:@endif
+SRC
+	CC_WRAPPER=`PWD=; cd "$srcdir/tool" && pwd`/darwin-cc
+	CC="$CC_WRAPPER $CC"
+    ])
   ])
 test -z "$CXX" || ac_cv_prog_CXX="$CXX"
 
@@ -398,10 +410,6 @@ RUBY_WERROR_FLAG([ https://github.com/ruby/ruby/blob/trunk/configure.ac#L410
 	]
     )
 
-    # now Xcode linker warns for deprecated architecture and wrongly
-    # installed TBD files.
-    AS_CASE(["$target_os"], [darwin*], [ac_c_werror_flag=])
-
     AC_MSG_CHECKING([whether LDFLAGS is valid])
     {
 	mkdir tmp.$$.try_link &&
@@ -3815,6 +3823,13 @@ PACKAGE=$RUBY_BASE_NAME https://github.com/ruby/ruby/blob/trunk/configure.ac#L3823
 AC_SUBST(PACKAGE)
 AS_MESSAGE([$PACKAGE library version = $ruby_version])
 
+AS_CASE(["$build_os"], [darwin1*.*], [
+    AS_IF([test x"$CC_WRAPPER" != x], [
+	CC="${CC@%:@$CC_WRAPPER }"
+	CPP="${CPP@%:@$CC_WRAPPER }"
+    ])
+])
+
 AS_CASE([" $CPP "], [*" $CC "*], [CPP=`echo " $CPP " | sed "s| $CC |"' $(CC) |;s/^ *//;s/  *$//'`])
 
 AS_IF([test x"$firstmf" != x], [

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