1GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
2# Local preconfigure fragment for sysdeps/powerpc
3
4case "$machine" in
5powerpc64le)
6  base_machine=powerpc machine=powerpc/powerpc64/le
7  ;;
8powerpc64*)
9  base_machine=powerpc machine=powerpc/powerpc64/be
10  ;;
11powerpc*)
12  base_machine=powerpc machine=powerpc/powerpc32
13  with_fp_cond="!defined __NO_FPRS__"
14  case "$host_os" in
15    *gnuspe*)
16      # SPE support was dropped in glibc 2.30.
17      AC_MSG_ERROR([Host system type $host is no longer supported.])
18    ;;
19  esac
20  ;;
21esac
22
23# Lets ask the compiler which Power processor we've got, in case the user did
24# not choose a --with-cpu value.  Scan a trivial generated assembly program
25# and scrape the first
26#   .machine <machine>
27# or
28#   .ascii "-mcpu=<machine>"
29# directive which shows up, and try using it.
30case "${machine}:${submachine}" in
31*powerpc*:)
32  archcpu=`echo "int foo () { return 0; }" \
33	   | $CC $CFLAGS $CPPFLAGS -S -frecord-gcc-switches -xc -o - - \
34	   | grep -E "mcpu=|[.]machine" -m 1 \
35	   | sed -e "s/.*machine //" -e "s/.*mcpu=\(.*\)\"/\1/"`
36  # Note if you add patterns here you must ensure that an appropriate
37  # directory exists in sysdeps/powerpc.  Likewise, if we find a
38  # cpu, don't let the generic configure append extra compiler options.
39  case "$archcpu" in
40  405fp|440fp|464fp|476fp)
41    submachine=${archcpu%fp}
42    AC_CACHE_VAL(libc_cv_cc_submachine,libc_cv_cc_submachine="")
43    ;;
44  405|440|464|476)
45    submachine=${archcpu}
46    AC_CACHE_VAL(libc_cv_cc_submachine,libc_cv_cc_submachine="")
47    ;;
48
49  a2|970|power[[4-9]]|power5x|power6+|power10)
50    submachine=${archcpu}
51    AC_CACHE_VAL(libc_cv_cc_submachine,libc_cv_cc_submachine="")
52    ;;
53  *)
54    # We couldn't figure it out, assume none
55    ;;
56  esac
57  ;;
58esac
59