* configure.ac: Set have_mmap to no on spu-*-* targets.

	* configure: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227145 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 29 insertions, 0 deletions

diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index 5862906907e..c31c651f95c 100644
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,8 @@
+2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	* configure.ac: Set have_mmap to no on spu-*-* targets.
+	* configure: Regenerate.
+
 2015-08-13  Ian Lance Taylor  <iant@google.com>
 
 	* dwarf.c (read_function_entry): Add vec_inlined parameter.
diff --git a/libbacktrace/configure b/libbacktrace/configure
index 19418c91e00..268659948e8 100755
--- a/libbacktrace/configure
+++ b/libbacktrace/configure
@@ -11570,6 +11570,12 @@ $as_echo "$libbacktrace_cv_c_random_seed_string" >&6; }
 fi
 
 
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
 WARN_FLAGS=
 save_CFLAGS="$CFLAGS"
 for real_option in -W -Wall -Wwrite-strings -Wstrict-prototypes \
@@ -11616,6 +11622,12 @@ $as_echo "$ac_res" >&6; }
 fi
   done
 CFLAGS="$save_CFLAGS"
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
 
 
 if test -n "${with_target_subdir}"; then
@@ -12292,6 +12304,12 @@ else
     # When built as a GCC target library, we can't do a link test.  We
     # simply assume that if we have mman.h, we have mmap.
     have_mmap=yes
+    case "${host}" in
+    spu-*-*)
+        # The SPU does not have mmap, but it has a sys/mman.h header file
+        # containing "mmap_eaddr" and the mmap flags, confusing the test.
+	have_mmap=no ;;
+    esac
   else
     ac_fn_c_check_func "$LINENO" "mmap" "ac_cv_func_mmap"
 if test "x$ac_cv_func_mmap" = x""yes; then :
diff --git a/libbacktrace/configure.ac b/libbacktrace/configure.ac
index 2e5b9c7cb7f..a0e487bb42d 100644
--- a/libbacktrace/configure.ac
+++ b/libbacktrace/configure.ac
@@ -273,6 +273,12 @@ else
     # When built as a GCC target library, we can't do a link test.  We
     # simply assume that if we have mman.h, we have mmap.
     have_mmap=yes
+    case "${host}" in
+    spu-*-*)
+        # The SPU does not have mmap, but it has a sys/mman.h header file
+        # containing "mmap_eaddr" and the mmap flags, confusing the test.
+	have_mmap=no ;;
+    esac
   else
     AC_CHECK_FUNC(mmap, [have_mmap=yes], [have_mmap=no])
   fi