libgloss/frv/configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 AC_PREREQ(2.5)dnl
   3 AC_INIT(crt0.S)
   4
   5 if test "${enable_shared}" = "yes" ; then
   6     echo "Shared libraries not supported for cross compiling, ignored"
   7 fi
   8
   9 if test "$srcdir" = "." ; then
  10   if test "${with_target_subdir}" != "." ; then
  11     libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
  12   else
  13     libgloss_topdir="${srcdir}/${with_multisrctop}../.."
  14   fi
  15 else
  16   libgloss_topdir="${srcdir}/../.."
  17 fi
  18 AC_CONFIG_AUX_DIR($libgloss_topdir)
  19
  20 AC_CANONICAL_SYSTEM
  21 AC_ARG_PROGRAM
  22
  23 AC_PROG_INSTALL
  24
  25 # FIXME: We temporarily define our own version of AC_PROG_CC.  This is
  26 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
  27 # are probably using a cross compiler, which will not be able to fully
  28 # link an executable.  This should really be fixed in autoconf
  29 # itself.
  30
  31 AC_DEFUN(LIB_AC_PROG_CC,
  32 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
  33 AC_CHECK_PROG(CC, gcc, gcc)
  34 if test -z "$CC"; then
  35   AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
  36   test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
  37 fi
  38
  39 AC_PROG_CC_GNU
  40
  41 if test $ac_cv_prog_gcc = yes; then
  42   GCC=yes
  43 dnl Check whether -g works, even if CFLAGS is set, in case the package
  44 dnl plays around with CFLAGS (such as to build both debugging and
  45 dnl normal versions of a library), tasteless as that idea is.
  46   ac_test_CFLAGS="${CFLAGS+set}"
  47   ac_save_CFLAGS="$CFLAGS"
  48   CFLAGS=
  49   AC_PROG_CC_G
  50   if test "$ac_test_CFLAGS" = set; then
  51     CFLAGS="$ac_save_CFLAGS"
  52   elif test $ac_cv_prog_cc_g = yes; then
  53     CFLAGS="-g -O2"
  54   else
  55     CFLAGS="-O2"
  56   fi
  57 else
  58   GCC=
  59   test "${CFLAGS+set}" = set || CFLAGS="-g"
  60 fi
  61 ])
  62
  63 LIB_AC_PROG_CC
  64
  65 AS=${AS-as}
  66 AC_SUBST(AS)
  67 AR=${AR-ar}
  68 AC_SUBST(AR)
  69 LD=${LD-ld}
  70 AC_SUBST(LD)
  71 AC_PROG_RANLIB
  72
  73 host_makefile_frag=${srcdir}/../config/default.mh
  74
  75 dnl We have to assign the same value to other variables because autoconf
  76 dnl doesn't provide a mechanism to substitute a replacement keyword with
  77 dnl arbitrary data or pathnames.
  78 dnl
  79 host_makefile_frag_path=$host_makefile_frag
  80 AC_SUBST(host_makefile_frag_path)
  81 AC_SUBST_FILE(host_makefile_frag)
  82
  83 AC_OUTPUT(Makefile,
  84 . ${libgloss_topdir}/config-ml.in,
  85 srcdir=${srcdir}
  86 target=${target}
  87 ac_configure_args="${ac_configure_args} --enable-multilib"
  88 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
  89 libgloss_topdir=${libgloss_topdir}
  90 )