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| author | Mike Frysinger <vapier@gentoo.org> | 2013-10-30 13:20:52 +1000 |
|---|---|---|
| committer | Allan McRae <allan@archlinux.org> | 2013-10-30 17:32:08 +1000 |
| commit | cb8a6dbd176ee59d61068bed92e2c8d22bd28b13 (patch) | |
| tree | 9ead2c7bd7a279a0669afe49476dd1da4b3c8da9 /sysdeps/powerpc/powerpc64/configure.ac | |
| parent | 36a4953a1dbc2b1994c1df0478c1c89a41398dba (diff) | |
| download | glibc-cb8a6dbd176ee59d61068bed92e2c8d22bd28b13.tar.gz glibc-cb8a6dbd176ee59d61068bed92e2c8d22bd28b13.tar.xz glibc-cb8a6dbd176ee59d61068bed92e2c8d22bd28b13.zip | |
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 <vapier@gentoo.org>
Diffstat (limited to 'sysdeps/powerpc/powerpc64/configure.ac')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/configure.ac | 42 |
1 files changed, 42 insertions, 0 deletions
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 |