Include alloca.h unconditionally

Since gnulib alloca module was imported, we can include alloca.h in
both gdb and gdbserver unconditionally, so this patch adds inclusion
of alloca.h in common-defs.h.  This patch also removes AC_FUNC_ALLOCA
in configure.ac because we don't need to check alloca any more.

This patch below is removed in fact.

  [RFA/commit] include alloca.h if available.
  https://www.sourceware.org/ml/gdb-patches/2010-08/msg00566.html

Since alloca.h is from gnulib now, we don't have to check malloc.h in
configure and include malloc.h in code.  This patch also remove them
too.

gdb:

2014-11-21  Yao Qi  <yao@codesourcery.com>

	* common/common-defs.h: Include alloca.h
	* configure.ac: Don't invoke AC_FUNC_ALLOCA.
	* configure: Re-generated.
	* defs.h: Remove code handling alloca.
	* utils.c (gdb_realpath): Don't check HAVE_ALLOCA is defined
	or not.

gdb/gdbserver:

2014-11-21  Yao Qi  <yao@codesourcery.com>

	* configure.ac: Don't invoke AC_FUNC_ALLOCA.
	(AC_CHECK_HEADERS): Remove malloc.h.
	* configure: Re-generated.
	* config.in: Re-generated.
	* server.h: Don't include alloca.h and malloc.h.
	* gdbreplay.c: Don't check HAVE_ALLOCA_H is defined.
	Don't include malloc.h.

0 files changed, 0 insertions, 0 deletions