[Bug bootstrap/64349] [5 Regression] Bootstrapping Ada fails on darwin(9|10).

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64349

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-12-18
                 CC|                            |iains at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Bootstrapping Ada fails on darwin(9|10) with

ld: warning: can't add line info to anonymous symbol __const@0 from s-arit64.o

This can be fixed with the following patch from Iain Sandoe

--- ../_clean/gcc/ada/gcc-interface/Makefile.in    2014-11-26
10:44:12.000000000 +0100
+++ gcc/ada/gcc-interface/Makefile.in    2014-11-26 10:55:45.000000000 +0100
@@ -2884,6 +2884,7 @@ gnatlib-shared-darwin:
         -o libgnat$(hyphen)$(LIBRARY_VERSION)$(soext) \
         $(GNATRTL_NONTASKING_OBJS) $(LIBGNAT_OBJS) \
         $(SO_OPTS) \
+        -Wl,-undefined,dynamic_lookup \
         -Wl,-install_name,@rpath/libgnat$(hyphen)$(LIBRARY_VERSION)$(soext) \
         $(MISCLIB)
     cd $(RTSDIR); `echo "$(GCC_FOR_TARGET)" \
@@ -2891,6 +2892,7 @@ gnatlib-shared-darwin:
         -o libgnarl$(hyphen)$(LIBRARY_VERSION)$(soext) \
         $(GNATRTL_TASKING_OBJS) \
         $(SO_OPTS) \
+        -Wl,-undefined,dynamic_lookup \
         -Wl,-install_name,@rpath/libgnarl$(hyphen)$(LIBRARY_VERSION)$(soext) \
         $(THREADSLIB) -Wl,libgnat$(hyphen)$(LIBRARY_VERSION)$(soext)
     cd $(RTSDIR); $(LN_S) libgnat$(hyphen)$(LIBRARY_VERSION)$(soext) \