[6/10] RFC: don't check for stdlib.h

[Tom Tromey <tromey@redhat.com>]

I think checking for stdlib.h is useless.
gdb includes it unconditionally already.

Tom

	* configure: Rebuild.
	* configure.ac: Don't check for stdlib.h.
	* defs.h: Update.

	* configure: Rebuild.
	* configure.ac: Don't check for stdlib.h.
	* gdbreplay.c: Update.
---
 gdb/configure              |    2 +-
 gdb/configure.ac           |    2 +-
 gdb/defs.h                 |    3 +--
 gdb/gdbserver/configure    |    2 +-
 gdb/gdbserver/configure.ac |    2 +-
 gdb/gdbserver/gdbreplay.c  |    2 --
 6 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/gdb/configure.ac b/gdb/configure.ac
index 41bed53..ccd8322 100644
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -1075,7 +1075,7 @@ AC_HEADER_STDC
 # elf_hp.h is for HP/UX 64-bit shared library support.
 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
                   thread_db.h \
-		  stdlib.h sys/fault.h \
+		  sys/fault.h \
 		  sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
 		  sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
 		  sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
diff --git a/gdb/defs.h b/gdb/defs.h
index 7bb85b0..6d49d8f 100644
--- a/gdb/defs.h
+++ b/gdb/defs.h
@@ -621,9 +621,8 @@ enum gdb_osabi
 
 /* From other system libraries */
 
-#ifdef HAVE_STDLIB_H
 #include <stdlib.h>
-#endif
+
 #ifndef min
 #define min(a, b) ((a) < (b) ? (a) : (b))
 #endif
diff --git a/gdb/gdbserver/configure.ac b/gdb/gdbserver/configure.ac
index ecbb921..a5d636a 100644
--- a/gdb/gdbserver/configure.ac
+++ b/gdb/gdbserver/configure.ac
@@ -51,7 +51,7 @@ ACX_CONFIGURE_DIR(["../gnulib"], ["build-gnulib-gdbserver"])
 
 AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h dnl
 		 proc_service.h sys/procfs.h thread_db.h linux/elf.h dnl
-		 stdlib.h unistd.h dnl
+		 unistd.h dnl
 		 errno.h fcntl.h sys/file.h malloc.h dnl
 		 sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
 		 netinet/tcp.h arpa/inet.h sys/wait.h wait.h sys/un.h)
diff --git a/gdb/gdbserver/gdbreplay.c b/gdb/gdbserver/gdbreplay.c
index 2a48c04..22ae9e4 100644
--- a/gdb/gdbserver/gdbreplay.c
+++ b/gdb/gdbserver/gdbreplay.c
@@ -33,9 +33,7 @@
 #if HAVE_ERRNO_H
 #include <errno.h>
 #endif
-#ifdef HAVE_STDLIB_H
 #include <stdlib.h>
-#endif
 #include <string.h>
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
-- 
1.7.7.6