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-rw-r--r--gcc-4.9/config/largefile.m434
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc-4.9/config/largefile.m4 b/gcc-4.9/config/largefile.m4
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+++ b/gcc-4.9/config/largefile.m4
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+# 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
+
+# The tests for host and target for $enable_largefile require
+# canonical names.
+AC_REQUIRE([AC_CANONICAL_HOST])
+AC_REQUIRE([AC_CANONICAL_TARGET])
+
+# As the $enable_largefile decision depends on --enable-plugins we must set it
+# even in directories otherwise not depending on the $plugins option.
+
+AC_PLUGINS
+
+case "${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
+])