Re^5: unable to install Audio::Scan module from cpan

[syphilis]

The error it gives is redefinition of 'struct _GUID'. It is present in \include\common.c of AudioScan project as well as in compiler at ...

I see it in include/common.h:

#ifndef __WIN32__
// We use the built-in GUID type on Windows
typedef struct _GUID {
  uint32_t Data1;
  uint16_t Data2;
  uint16_t Data3;
  uint8_t  Data4[8];
} _PACKED GUID;
#endif

However, the C pre-processor will remove that code because __WIN32__ is defined (and hence violates the "#ifndef __WIN32__" condition).
In other words, it should not be necessary to comment out that section of code in common.h, and commenting out that code should make no difference.
Did you perhaps incorrectly replace "#ifndef _MSC_VER" with "#ifdef __WIN32__" ?

Scan.o:Scan.c:(.text+0x8d00): undefined reference to `uncompress'

This happens because you need to link to libz. It seems the link has been removed - probably by the 'perl Makefile.PL' step because libz.a could not be found.
To install libz, download the libz source, unzip it, then cd to the top level folder and run:

mingw32-make -f win32/Makefile.gcc

(The Audio::Scan source does not contain a win32 folder - but the libz source does.)
Then copy the generated libz.a to one of your $Config{libpth} directories. Enter perl -V:libpth to see where those directories are.
Your using a mingw compiler (not a micrsoft one), so you don't build libz with 'nmake', and you don't use Makefile.msc.

Cheers,
Rob

[vamank]

the first patch u gave me said,

--- ../Audio-Scan-0.98-1/Scan.xs    2017-07-12 23:26:41 +1000
+++ Scan.xs    2017-07-12 23:25:17 +1000
@@ -12,7 +12,7 @@
 #endif
 
 // Headers for stat support
-#ifdef _MSC_VER
+#ifdef __WIN32__
----

but my scan.xs contained,

// Headers for stat support
#ifndef _MSC_VER
# include <windows.h>
---

so i have just replaced _MSC_VER with __WIN32__ at whatever files and locations you mentioned in that patch. Gave the previous output "Scan.o:Scan.c:(.text+0x8d00): undefined reference to `uncompress'" and ending up in fatal error as mentioned in above mails.

Now regarding this reply:

I downloaded zlib and unzipped it at "C:\vaman\zlib-1.2.8" (vaman directory also has audio scan project @C:\vaman\Audio-Scan-0.98). I executed this: C:\vaman\zlib-1.2.8\zlib-1.2.8>mingw32-make -f win32/Makefile.gcc as you said above. The generated libz.a i moved to the following location.

@Enter perl -V:libpth :

It gave libpth='C:\MinGW\i686-w64-mingw32\lib. So i moved libz.a to the above location.

But still it does not get thru successfully.

C:\vaman\Audio-Scan-0.98\Audio-Scan-0.98>nmake

Microsoft (R) Program Maintenance Utility Version 12.00.21005.1
Copyright (C) Microsoft Corporation.  All rights reserved.

Skip blib\lib\Audio\Scan.pm (unchanged)
Running Mkbootstrap for Audio::Scan ()
        C:\Perl\bin\perl.exe -MExtUtils::Command -e chmod -- 644 Scan.
+bs
        gcc -c  -Iinclude -Isrc  -s -O2 -DWIN32 -DPERL_TEXTMODE_SCRIPT
+S -DUSE_SITECUSTOMIZE -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DU
+SE_PERLIO -fno-strict-aliasing -mms-bitfields -s -O2    -DVERSION=\"0
+.98\"  -DXS_VERSION=\"0.98\"  "-IC:\Perl\lib\CORE"   Scan.c
In file included from src/asf.c:42:0,
                 from Scan.xs:26:
include/asf.h:30:0: warning: "IsEqualGUID" redefined [enabled by defau
+lt]
c:\perl\site\lib\auto\mingw\bin\../lib/gcc/i686-w64-mingw32/4.6.3/../.
+./../../i686-w64-mingw32/include/guiddef.h:145:0: note: this is the l
+ocation of the previous definition
        dlltool --def Scan.def --output-exp dll.exp
        g++ -o blib\arch\auto\Audio\Scan\Scan.dll -Wl,--base-file -Wl,
+dll.base -mdll -s -static-libgcc -static-libstdc++ -L"C:\Perl\lib\COR
+E" -L"C:\MinGW\i686-w64-mingw32\lib" Scan.o   C:\Perl\lib\CORE\libper
+l518.a -lmoldname -lkernel32 -luser32 -lgdi32 -lwinspool -lcomdlg32 -
+ladvapi32 -lshell32 -lo
le32 -loleaut32 -lnetapi32 -luuid -lws2_32 -lmpr -lwinmm -lversion -lo
+dbc32 -lodbccp32 -lcomctl32 dll.exp
Scan.o:Scan.c:(.text+0x8d00): undefined reference to `uncompress'
Scan.o:Scan.c:(.text+0x950e): undefined reference to `uncompress'
c:/perl/site/lib/auto/mingw/bin/../lib/gcc/i686-w64-mingw32/4.6.3/../.
+./../../i686-w64-mingw32/bin/ld.exe: Scan.o: bad reloc address 0x0 in
+ section `.data'
c:/perl/site/lib/auto/mingw/bin/../lib/gcc/i686-w64-mingw32/4.6.3/../.
+./../../i686-w64-mingw32/bin/ld.exe: final link failed: Invalid opera
+tion
collect2: ld returned 1 exit status
NMAKE : fatal error U1077: 'C:\Perl\site\bin\g++.EXE' : return code '0
+x1'
Stop.

Tried with dmake, but it was just to find the same issue again.

[syphilis]

Does it work if you run nmake realclean and then start all over again from the beginning ?
If it still doesn't work then I need to see the output of the first step (ie when the Makefile.PL gets run).

Cheers,
Rob