* largefile.m4: New file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@153987 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 23 insertions, 0 deletions

diff --git a/config/largefile.m4 b/config/largefile.m4
new file mode 100644
index 00000000000..e75eb7753c4
--- /dev/null
+++ b/config/largefile.m4
@@ -0,0 +1,23 @@
+# This macro wraps AC_SYS_LARGEFILE with one exception for Solaris.
+# PR 9992/binutils: We have to replicate everywhere the behaviour of
+# bfd's configure script so that all the directories agree on the size
+# of structures used to describe files.
+
+AC_DEFUN([ACX_LARGEFILE],[dnl
+case "${host}" in
+changequote(,)dnl
+  sparc-*-solaris*|i[3-7]86-*-solaris*)
+changequote([,])dnl
+    # On native 32bit sparc and ia32 solaris, large-file and procfs support
+    # are mutually exclusive; and without procfs support, the bfd/ elf module
+    # cannot provide certain routines such as elfcore_write_prpsinfo
+    # or elfcore_write_prstatus.  So unless the user explicitly requested
+    # large-file support through the --enable-largefile switch, disable
+    # large-file support in favor of procfs support.
+    test "${target}" = "${host}" -a "x$plugins" = xno \
+      && : ${enable_largefile="no"}
+    ;;
+esac
+
+AC_SYS_LARGEFILE
+])