libgloss/m32r/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 AC_CANONICAL_SYSTEM
   6 AC_ARG_PROGRAM
   7
   8 if test "$srcdir" = "." ; then
   9   mdir=`echo "${with_multisubdir}/" \
  10     | sed -e 's,\([[^/]][[^/]]*\),..,g' -e 's,^/$,,'`
  11   AC_CONFIG_AUX_DIR(${mdir}../../..)
  12 else
  13   AC_CONFIG_AUX_DIR(${srcdir}/../..)
  14 fi
  15
  16 AC_PROG_INSTALL
  17
  18 # FIXME: We temporarily define our own version of AC_PROG_CC.  This is
  19 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
  20 # are probably using a cross compiler, which will not be able to fully
  21 # link an executable.  This should really be fixed in autoconf
  22 # itself.
  23
  24 AC_DEFUN(LIB_AC_PROG_CC,
  25 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
  26 AC_CHECK_PROG(CC, gcc, gcc)
  27 if test -z "$CC"; then
  28   AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
  29   test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
  30 fi
  31
  32 AC_PROG_CC_GNU
  33
  34 if test $ac_cv_prog_gcc = yes; then
  35   GCC=yes
  36 dnl Check whether -g works, even if CFLAGS is set, in case the package
  37 dnl plays around with CFLAGS (such as to build both debugging and
  38 dnl normal versions of a library), tasteless as that idea is.
  39   ac_test_CFLAGS="${CFLAGS+set}"
  40   ac_save_CFLAGS="$CFLAGS"
  41   CFLAGS=
  42   AC_PROG_CC_G
  43   if test "$ac_test_CFLAGS" = set; then
  44     CFLAGS="$ac_save_CFLAGS"
  45   elif test $ac_cv_prog_cc_g = yes; then
  46     CFLAGS="-g -O2"
  47   else
  48     CFLAGS="-O2"
  49   fi
  50 else
  51   GCC=
  52   test "${CFLAGS+set}" = set || CFLAGS="-g"
  53 fi
  54 ])
  55
  56 LIB_AC_PROG_CC
  57 AS=${AS-as}
  58 AC_SUBST(AS)
  59 AR=${AR-ar}
  60 AC_SUBST(AR)
  61 LD=${LD-ld}
  62 AC_SUBST(LD)
  63 AC_PROG_RANLIB
  64
  65 host_makefile_frag=${srcdir}/../config/default.mh
  66
  67 dnl We have to assign the same value to other variables because autoconf
  68 dnl doesn't provide a mechanism to substitute a replacement keyword with
  69 dnl arbitrary data or pathnames.
  70 dnl
  71 host_makefile_frag_path=$host_makefile_frag
  72 AC_SUBST(host_makefile_frag_path)
  73 AC_SUBST_FILE(host_makefile_frag)
  74
  75 AC_OUTPUT(Makefile)