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Fail when alloca can not be found natively.

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This commit is contained in:
Marius Vollmer 2004-09-08 17:15:13 +00:00
parent 062f47121f
commit 31e4c69e95
1 changed files with 5 additions and 4 deletions
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9
configure.in
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@ -903,13 +903,14 @@ int main () { return (isnan(0.0) != 0); }],
[Define to 1 if you have the `isnan' macro or function.])], [Define to 1 if you have the `isnan' macro or function.])],
[AC_MSG_RESULT([no])]) [AC_MSG_RESULT([no])])
# When testing for the presence of alloca, we need to add alloca.o # We must have a proper stack-using alloca in order for stack-copying
# explicitly to LIBOBJS to make sure that it is translated to # continuations to work properly. If we don't find a native one,
# `alloca.lo' for libtool later on. This can and should be done more cleanly. # abort.
AC_FUNC_ALLOCA AC_FUNC_ALLOCA
if test "$ALLOCA" = "alloca.o" if test "$ALLOCA" = "alloca.o"
then then
AC_LIBOBJ([alloca]) AC_ERROR([No native alloca found.])
fi fi
AC_CHECK_MEMBERS([struct stat.st_rdev]) AC_CHECK_MEMBERS([struct stat.st_rdev])