From 08069a1f9af1a8d5a45af6f7c7ca6b4eae8dfff9 Mon Sep 17 00:00:00 2001
From: Julian Seward <jseward@acm.org>
Date: Mon, 17 Nov 2008 00:20:45 +0000
Subject: [PATCH] Don't let GDB_PATH be "" if no GDB is found at configure
 time, as this causes any attempts to attach a gdb to the process to fail in a
 confusing way.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8772
---
 configure.in       | 2 +-
 coregrind/m_main.c | 4 ----
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/configure.in b/configure.in
index 749fffa9d..74c9b6411 100644
--- a/configure.in
+++ b/configure.in
@@ -76,7 +76,7 @@ fi
 AC_PATH_PROG(PERL, perl)
 
 # figure out where gdb lives
-AC_PATH_PROG(GDB, gdb)
+AC_PATH_PROG(GDB, gdb, "/no/gdb/was/found/at/configure/time")
 AC_DEFINE_UNQUOTED(GDB_PATH, "$GDB", [path to GDB])
 
 # some older automake's don't have it so try something on our own
diff --git a/coregrind/m_main.c b/coregrind/m_main.c
index 4436d1199..47f1e0fd5 100644
--- a/coregrind/m_main.c
+++ b/coregrind/m_main.c
@@ -211,11 +211,7 @@ static void usage_NORETURN ( Bool debug_help )
 "  tool's start-up message for more information.\n"
 "\n";
 
-#  if defined(GDB_PATH)
    Char* gdb_path = GDB_PATH;
-#  else
-   Char* gdb_path = "/no/gdb/was/found/at/configure/time";
-#  endif
 
    // Ensure the message goes to stdout
    VG_(clo_log_fd) = 1;