Re: [Qemu-devel] Errors compiling QEMU with Mingw

[Filip Navara]

Hi!

I sent a patch for this few days ago. It's attached...

- Filip


Dean Payne wrote:

> Hi,
>
> I have tried to compile QEMU for windows from the latest CVS using the
> latest MingW and various tools. I basically followed the instructions
> outlined for compiling QEMU from
> http://www.h7.dion.ne.jp/~qemu-win/PortingTips-en.html. Although I can
> compile the source as given there, I have no luck with the latest from CVS.
>
> The first error I got was
> ------------
> In file included from C:/dev/Dev-Cpp/include/windef.h:246,
>                 from C:/dev/Dev-Cpp/include/windows.h:48,
>                 from d:/sourceforge/qemu/vl.c:60:
> C:/dev/Dev-Cpp/include/winnt.h:97: parse error before numeric constant
> ------------
>
> I chased it down and it appears that the file
>
> qemu\target-ppc\cpu.h
>
> has a define on line 346 :
>
> #define LP     SPR_ENCODE(1022)
>
> which conflicts with the typedef in winnt.h:
>
> typedef TCHAR *LPTCH,*PTSTR,*LPTSTR,*LP,*PTCHAR;
>
> Without knowing too much about the source I changed the #define LP to a
> different symbol (hoping that it was not used elsewhere) but encountered
> another error:
> -------------------------
> gcc  -o qemu-system-ppc.exe vl.o osdep.o block.o monitor.o pci.o ppc.o ide.o
> ne2000.o pckbd.o vga.o sb16.o dma.o oss.o mc146818rtc.o serial.o i8259.o
> i8254.o fdc.o m48t59.o ppc_prep.o ppc_chrp.o cuda.o adb.o sdl.o
> ibqemu.a  -lm -lwinmm -lws2_32 -liphlpapi -L/usr/local/lib -lmingw32 -lSDLma
> in -lSDL -mwindows
> libqemu.a(op_helper.o)(.text+0x12b4): In function `dump_state':
> d:/sourceforge/qemu/target-ppc/op_helper.c:471: undefined reference to
> `stdout'
> make[1]: *** [qemu-system-ppc.exe] Error 1
> make[1]: Leaving directory `/d/sourceforge/qemu/ppc-softmmu'
> --------------------------
>
> I am not sure whether that is due to me or simply something else. Am I going
> about this the right way and can anyone offer some tips?
>
> Cheers
>
> Dean
>
>
>
>
> _______________________________________________
> Qemu-devel mailing list
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>
>
>  

diff -u -r qemu/target-ppc/cpu.h qemu.wincopy/target-ppc/cpu.h
--- qemu/target-ppc/cpu.h       Wed Jun  2 20:54:28 2004
+++ qemu.wincopy/target-ppc/cpu.h       Tue Jun  8 20:19:10 2004
@@ -343,7 +343,8 @@
 #define THRM2  SPR_ENCODE(1021)
 #define THRM3  SPR_ENCODE(1022)
 #define SP     SPR_ENCODE(1021)
-#define LP     SPR_ENCODE(1022)
+/* Conflicts with Win32 API defininition on MinGW builds */
+/* #define LP     SPR_ENCODE(1022) */
 #define DABR_MASK 0xFFFFFFF8
 #define FPECR  SPR_ENCODE(1022)
 #define PIR    SPR_ENCODE(1023)
diff -u -r qemu/target-ppc/helper.c qemu.wincopy/target-ppc/helper.c
--- qemu/target-ppc/helper.c    Wed Jun  2 20:54:28 2004
+++ qemu.wincopy/target-ppc/helper.c    Tue Jun  8 20:29:02 2004
@@ -27,8 +27,6 @@
 //#define DEBUG_BATS
 //#define DEBUG_EXCEPTIONS
 
-extern FILE *stdout, *stderr;
-
 /*****************************************************************************/
 /* PPC MMU emulation */
 int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw,
diff -u -r qemu/target-ppc/op_helper.c qemu.wincopy/target-ppc/op_helper.c
--- qemu/target-ppc/op_helper.c Wed Jun  2 20:54:30 2004
+++ qemu.wincopy/target-ppc/op_helper.c Tue Jun  8 20:30:06 2004
@@ -464,7 +464,14 @@
 
 /*****************************************************************************/
 /* Special helpers for debug */
+#ifndef _WIN32
 extern FILE *stdout;
+#else
+struct FILE { int opaque; };
+extern FILE (*_imp___iob)[];
+#define _iob   (*_imp___iob)
+#define stdout (&_iob[1])
+#endif
 
 void dump_state (void)
 {