[binutils-gdb] gdb/dwarf: Fix MinGW build

[Thiago Bauermann]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f4b9c5e1bc4e704374f94e00f8a2ae75aec4cf28

commit f4b9c5e1bc4e704374f94e00f8a2ae75aec4cf28
Author: Thiago Jung Bauermann <thiago.bauermann@linaro.org>
Date:   Sun Apr 9 16:50:11 2023 +0000

    gdb/dwarf: Fix MinGW build
    
    Unfortunately MinGW doesn't support std::future yet, so this causes the
    build to fail.  Use GDB's version which provides a fallback for this case.
    
    Tested for regressions on native aarch64-linux.
    
    Approved-By: Tom Tromey <tromey@adacore.com>

Diff:
---
 gdb/dwarf2/cooked-index.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gdb/dwarf2/cooked-index.h b/gdb/dwarf2/cooked-index.h
index f2664929e52..0d6f3e5aa0e 100644
--- a/gdb/dwarf2/cooked-index.h
+++ b/gdb/dwarf2/cooked-index.h
@@ -442,7 +442,7 @@ private:
   vec_type m_vector;
 
   /* A future that tracks when the 'index_write' method is done.  */
-  std::future<void> m_write_future;
+  gdb::future<void> m_write_future;
 };
 
 #endif /* GDB_DWARF2_COOKED_INDEX_H */