gcc -c  -I./zlib-src ... adler32.c
 adler32.c:12: error: expected declaration specifiers or '...' before 
+'__int64'

[download]

__int64 is the MSVC extension typespecifier for 64-bit integers, otherwise known by the (rather daft) nomenclature: long long

The code is (wrongly) using the compiler-predefined #define, _WIN32 to imply MSVC:

#if !defined(_WIN32) && (defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEF
+ILE-0)
#  define z_off64_t off64_t
#else
#  if defined(_WIN32)
#    define z_off64_t __int64
#  else
#  define z_off64_t z_off_t
#endif
#endif

[download]

Which falls in a heap when you are uing gcc under windows.

A (minimal) fix would be to change that to be:

#if !defined(_WIN32) && (defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEF
+ILE-0)
#  define z_off64_t off64_t
#else
#  if defined(_MSC_VER)              ### this line changed.
#    define z_off64_t __int64
#  else
#  define z_off64_t z_off_t
#endif
#endif

[download]

You might also like to feed that back to the author.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

The start of some sanity?

In reply to Re: install of Compress::Raw::Zlib on windows7 strawbery perl by BrowserUk
in thread install of Compress::Raw::Zlib on windows7 strawbery perl by gman

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