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never test and always default HAVE_MMAP to on 

This should alleviate vboxfs problems from issue #1008.
This commit is contained in:
Aliaksey Kandratsenka 2019-04-07 15:27:17 -07:00
parent fba6ce0e7a
commit c1d546d7b2
1 changed files with 5 additions and 25 deletions
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30
configure.ac
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@ -234,31 +234,11 @@ else
AC_SUBST(ac_cv_have_struct_mallinfo, 0) AC_SUBST(ac_cv_have_struct_mallinfo, 0)
fi fi
# We need to check for mmap. cygwin supports mmap, but the autoconf # We hardcode HAVE_MMAP to 1. There are no interesting systems anymore
# test doesn't work on cygwin: # without functional mmap. And our windows builds aren't using
# http://www.cygwin.com/ml/cygwin/2002-04/msg00412.html # autoconf. So we keep HAVE_MMAP define, but only to distingush
# This workaround comes from # windows and rest.
# http://cygwin.com/ml/cygwin/2004-11/msg00138.html AC_DEFINE(HAVE_MMAP, 1, [Define to 1 if you have a working `mmap' system call.])
case "$host" in
*-*-mingw*)
dnl mingw doesn't have mmap, not worth
dnl checking. Especially given that mingw can be a
dnl cross-compiler
;;
*-*-cygwin*)
ac_cv_func_mmap_fixed_mapped=yes
AC_DEFINE(HAVE_MMAP, 1,
[Define to 1 if you have a working `mmap' system call.])
;;
*) if test "$cross_compiling" = yes; then
ac_cv_func_mmap_fixed_mapped=yes
AC_DEFINE(HAVE_MMAP, 1,
[Define to 1 if you have a working `mmap' system call.])
else
AC_FUNC_MMAP
fi
;;
esac
# If AtomicWord != Atomic32, we need to define two versions of all the # If AtomicWord != Atomic32, we need to define two versions of all the
# atomicops functions. If they're the same, we want to define only one. # atomicops functions. If they're the same, we want to define only one.