From cb8a6dbd176ee59d61068bed92e2c8d22bd28b13 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Wed, 30 Oct 2013 13:20:52 +1000 Subject: rename configure.in to configure.ac Autoconf has been deprecating configure.in for quite a long time. Rename all our configure.in and preconfigure.in files to .ac. Signed-off-by: Mike Frysinger --- sysdeps/powerpc/powerpc64/configure.ac | 42 ++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 sysdeps/powerpc/powerpc64/configure.ac (limited to 'sysdeps/powerpc/powerpc64/configure.ac') diff --git a/sysdeps/powerpc/powerpc64/configure.ac b/sysdeps/powerpc/powerpc64/configure.ac new file mode 100644 index 0000000000..67aac663d8 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/configure.ac @@ -0,0 +1,42 @@ +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 -- cgit 1.4.1