#101 AC_CHECK_TYPE fails to detect intptr_t (with gcc-4)

[Andreas Pokorny]

AC_CHECK_TYPE(intptr_t,long)
does not search in unistd.h for this type. Thus defines
intptr_t to be long, and then turns the typedef in
unistd.h into one that defines long.

I thought one could patch configure.in to use the
modern AC_CHECK_TYPE, for which one can define
additional headers, but that would include requiring a
newer version of autoconf. And i am not sure whether
the rest of configure.in, is in the right shape for that.

So far this only happens with gcc-4.

[Theodore Ts'o]

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This has been fixed in e2fsprogs 1.36-rc5