mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-25 20:21:07 +00:00
43 lines
1.3 KiB
Plaintext
43 lines
1.3 KiB
Plaintext
|
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
|
||
|
|
# Local configure fragment for sysdeps/powerpc/powerpc64.
|
||
|
|
|
||
|
|
# The Aix ld uses global .symbol_names instead of symbol_names
|
||
|
|
# and unfortunately early Linux PPC64 linkers use it as well.
|
||
|
|
AC_CACHE_CHECK(for support for omitting dot symbols,
|
||
|
|
libc_cv_omit_dot_syms, [dnl
|
||
|
|
libc_cv_omit_dot_syms=no
|
||
|
|
echo 'void foo (void) {}' > conftest.c
|
||
|
|
if AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
|
||
|
|
if grep -w '\.foo' conftest.s > /dev/null; then
|
||
|
|
:
|
||
|
|
else
|
||
|
|
libc_cv_omit_dot_syms=yes
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
rm -f conftest.c conftest.s
|
||
|
|
])
|
||
|
|
if test x$libc_cv_omit_dot_syms != xyes; then
|
||
|
|
AC_DEFINE(HAVE_ASM_GLOBAL_DOT_NAME)
|
||
|
|
fi
|
||
|
|
|
||
|
|
AC_CACHE_CHECK(for linker support for overlapping .opd entries,
|
||
|
|
libc_cv_overlapping_opd, [dnl
|
||
|
|
libc_cv_overlapping_opd=no
|
||
|
|
echo 'void foo (void) {}' > conftest.c
|
||
|
|
if AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
|
||
|
|
changequote(,)dnl
|
||
|
|
if grep '\.TOC\.@tocbase' conftest.s > /dev/null; then
|
||
|
|
if grep '\.TOC\.@tocbase[ ]*,[ ]*0' conftest.s > /dev/null; then
|
||
|
|
:
|
||
|
|
else
|
||
|
|
libc_cv_overlapping_opd=yes
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
changequote([,])dnl
|
||
|
|
fi
|
||
|
|
rm -f conftest.c conftest.s
|
||
|
|
])
|
||
|
|
if test x$libc_cv_overlapping_opd = xyes; then
|
||
|
|
AC_DEFINE(USE_PPC64_OVERLAPPING_OPD)
|
||
|
|
fi
|