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(libc_cv_alpha_hidden_gprel): New check.

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(PI_STATIC_AND_HIDDEN): Define if check succeeded.
This commit is contained in:
Ulrich Drepper 2002-08-28 22:15:22 +00:00
parent bbb3856d85
commit 9d131243df
1 changed files with 26 additions and 0 deletions
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26
sysdeps/alpha/elf/configure.in
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@ -51,3 +51,29 @@ if test $libc_cv_alpha_tls = yes; then
AC_DEFINE(HAVE_TLS_SUPPORT)
fi
fi
AC_CACHE_CHECK(for GP relative module local relocs, libc_cv_alpha_hidden_gprel, [dnl
cat > conftest.c <<\EOF
static int bar;
int baz __attribute__((visibility("hidden")));
int foo (void)
{
return bar + baz;
}
EOF
dnl
libc_cv_alpha_hidden_gprel=no
if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS -O2 -fpic conftest.c 1>&AC_FD_CC); then
if grep -q 'bar.*!gprel' conftest.s \
&& grep -q 'baz.*!gprel' conftest.s \
&& ! grep -q 'bar.*!literal' conftest.s \
&& ! grep -q 'baz.*!literal' conftest.s; then
libc_cv_alpha_hidden_gprel=yes
fi
fi
rm -f conftest*])
if test $libc_cv_alpha_hidden_gprel = yes; then
AC_DEFINE(PI_STATIC_AND_HIDDEN)
fi