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[patch] compile: Fix MinGW build [Re: [mingw rfc] Add mkdtemp to gdb/gnulib/]

On Mon, 15 Dec 2014 19:57:28 +0100, Eli Zaretskii wrote:
> > On Mon, 15 Dec 2014 04:15:43 +0100, Yao Qi wrote:
> > # or maybe we have to use win32 api, such as GetTempPath and GetRandomFileName.
> If you write it, I can test it.

In the end I have managed to test it by Wine myself:

$ wine build_win32/gdb/gdb.exe -q build_win32/gdb/gdb.exe -ex start -ex 'compile code 1' -ex 'set confirm no' -ex quit
Temporary breakpoint 1, main (argc=1, argv=0x241418) at ../../gdb/gdb.c:29
29	  args.argc = argc;
Could not load Module not found.

Even if it managed to load (it needs host-dependent name libcc1.dll)
then it would soon end up at least on:

  error (_("This target does not support inferior memory allocation by mmap."));

As currently there is only:

  set_gdbarch_infcall_mmap (gdbarch, linux_infcall_mmap);

While one could debug Linux targets from MS-Windows host I find it somehow
overcomplicated now when we are trying to get it running at least on native
Linux x86*.

The 'compile' project needs a larger port effort to run on MS-Windows.

OK for check-in?

2014-12-15  Jan Kratochvil  <>

	Fix MinGW compilation.
	* compile/compile.c (get_compile_file_tempdir): Call error on _WIN32.

--- ./gdb/compile/compile.c	2014-12-14 02:48:38.000000000 +0100
+++ ./gdb/compile/compile.c	2014-12-15 23:21:28.788716340 +0100
@@ -191,7 +191,11 @@ get_compile_file_tempdir (void)
   strcpy (tname, TEMPLATE);
 #undef TEMPLATE
+#ifdef _WIN32
+  error (_("mkdtemp needs to be implemented for MS-Windows hosts"));
   tempdir_name = mkdtemp (tname);
   if (tempdir_name == NULL)
     perror_with_name (_("Could not make temporary directory"));

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