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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local preconfigure fragment for sysdeps/powerpc
case "$machine" in
powerpc64le)
base_machine=powerpc machine=powerpc/powerpc64/le
;;
powerpc64*)
base_machine=powerpc machine=powerpc/powerpc64/be
;;
powerpc*)
base_machine=powerpc machine=powerpc/powerpc32
with_fp_cond="!defined __NO_FPRS__"
case "$host_os" in
*gnuspe*)
# SPE support was dropped in glibc 2.30.
AC_MSG_ERROR([Host system type $host is no longer supported.])
;;
esac
;;
esac
# Lets ask the compiler which Power processor we've got, in case the user did
# not choose a --with-cpu value. Scan a trivial generated assembly program
# and scrape the first
# .machine <machine>
# or
# .ascii "-mcpu=<machine>"
# directive which shows up, and try using it.
case "${machine}:${submachine}" in
*powerpc*:)
archcpu=`echo "int foo () { return 0; }" \
| $CC $CFLAGS $CPPFLAGS -S -frecord-gcc-switches -xc -o - - \
| grep -E "mcpu=|[.]machine" -m 1 \
| sed -e "s/.*machine //" -e "s/.*mcpu=\(.*\)\"/\1/"`
# Note if you add patterns here you must ensure that an appropriate
# directory exists in sysdeps/powerpc. Likewise, if we find a
# cpu, don't let the generic configure append extra compiler options.
case "$archcpu" in
405fp|440fp|464fp|476fp)
submachine=${archcpu%fp}
AC_CACHE_VAL(libc_cv_cc_submachine,libc_cv_cc_submachine="")
;;
405|440|464|476)
submachine=${archcpu}
AC_CACHE_VAL(libc_cv_cc_submachine,libc_cv_cc_submachine="")
;;
a2|970|power[[4-9]]|power5x|power6+|power10)
submachine=${archcpu}
AC_CACHE_VAL(libc_cv_cc_submachine,libc_cv_cc_submachine="")
;;
*)
# We couldn't figure it out, assume none
;;
esac
;;
esac
|
