re PR ada/68564 (Ada fails to bootstrap on sparc64-linux-gnu)

2015-11-29  Matthias Klose  <doko@ubuntu.com>

        PR ada/68564
        * gcc-interface/Makefile.in: Fix powerpc/powerpc64* and
        mipsel/mips64el bitness detection. 
        Merge the mipsel/mips64el definitions into one.

From-SVN: r231051

gcc/ada/ChangeLog

+2015-11-29  Matthias Klose  <doko@ubuntu.com>
+
+	PR ada/68564
+	* gcc-interface/Makefile.in: Fix powerpc/powerpc64* and
+	mipsel/mips64el bitness detection.
+	Merge the mipsel/mips64el definitions into one.
+
 2015-11-28  Matthias Klose  <doko@ubuntu.com>
 
 	PR ada/68564

gcc/ada/gcc-interface/Makefile.in

@@ -1841,8 +1841,8 @@ ifeq ($(strip $(filter-out mips linux%,$(target_cpu) $(target_os))),)
   LIBRARY_VERSION := $(LIB_VERSION)
 endif
 
-# Mips/el Linux
-ifeq ($(strip $(filter-out mipsel linux%,$(target_cpu) $(target_os))),)
+# Mips/el and Mips64/el Linux
+ifeq ($(strip $(filter-out mipsel mips64el linux%,$(target_cpu) $(target_os))),)
   LIBGNAT_TARGET_PAIRS_COMMON = \
   a-intnam.ads<a-intnam-linux.ads \
   s-inmaop.adb<s-inmaop-posix.adb \
@@ -1864,50 +1864,7 @@ ifeq ($(strip $(filter-out mipsel linux%,$(target_cpu) $(target_os))),)
   LIBGNAT_TARGET_PAIRS_64 = \
   system.ads<system-linux-mips64el.ads
 
-  ifeq ($(strip $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multi-os-directory)),../lib64)
-    LIBGNAT_TARGET_PAIRS = \
-    $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_64)
-  else
-    LIBGNAT_TARGET_PAIRS = \
-    $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_32)
-  endif
-
-  TOOLS_TARGET_PAIRS =  \
-    mlib-tgt-specific.adb<mlib-tgt-specific-linux.adb \
-    indepsw.adb<indepsw-gnu.adb
-
-  EXTRA_GNATRTL_TASKING_OBJS=s-linux.o
-  EH_MECHANISM=-gcc
-  THREADSLIB = -lpthread
-  GNATLIB_SHARED = gnatlib-shared-dual
-  GMEM_LIB = gmemlib
-  LIBRARY_VERSION := $(LIB_VERSION)
-endif
-
-# Mips64/el Linux
-ifeq ($(strip $(filter-out mips64el linux%,$(target_cpu) $(target_os))),)
-  LIBGNAT_TARGET_PAIRS_COMMON = \
-  a-intnam.ads<a-intnam-linux.ads \
-  s-inmaop.adb<s-inmaop-posix.adb \
-  s-intman.adb<s-intman-posix.adb \
-  s-linux.ads<s-linux-mipsel.ads \
-  s-osinte.adb<s-osinte-posix.adb \
-  s-osinte.ads<s-osinte-linux.ads \
-  s-osprim.adb<s-osprim-posix.adb \
-  s-taprop.adb<s-taprop-linux.adb \
-  s-tasinf.ads<s-tasinf-linux.ads \
-  s-tasinf.adb<s-tasinf-linux.adb \
-  s-taspri.ads<s-taspri-posix-noaltstack.ads \
-  s-tpopsp.adb<s-tpopsp-posix-foreign.adb \
-  g-sercom.adb<g-sercom-linux.adb
-
-  LIBGNAT_TARGET_PAIRS_32 = \
-  system.ads<system-linux-mipsel.ads
-
-  LIBGNAT_TARGET_PAIRS_64 = \
-  system.ads<system-linux-mips64el.ads
-
-  ifeq ($(strip $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multi-os-directory)),../lib64)
+  ifneq (,$(or $(filter mips64el%, $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multiarch)), $(filter ../lib64, $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multi-os-directory))))
     LIBGNAT_TARGET_PAIRS = \
     $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_64)
   else
@@ -1961,7 +1918,7 @@ ifeq ($(strip $(filter-out powerpc% linux%,$(target_cpu) $(target_os))),)
     LIBGNAT_TARGET_PAIRS_64 = \
     system.ads<system-linux-ppc64.ads
 
-    ifeq ($(strip $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multi-os-directory)),../lib64)
+    ifneq (,$(or $(filter powerpc64%, $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multiarch)), $(filter ../lib64, $(shell $(GCC_FOR_TARGET) $(GNATLIBCFLAGS) -print-multi-os-directory))))
       LIBGNAT_TARGET_PAIRS = \
       $(LIBGNAT_TARGET_PAIRS_COMMON) $(LIBGNAT_TARGET_PAIRS_64)
     else