| 1 | dnl aclocal.m4 generated automatically by aclocal 1.4a |
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| 2 | |
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| 3 | dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc. |
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| 4 | dnl This file is free software; the Free Software Foundation |
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| 5 | dnl gives unlimited permission to copy and/or distribute it, |
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| 6 | dnl with or without modifications, as long as this notice is preserved. |
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| 7 | |
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| 8 | dnl This program is distributed in the hope that it will be useful, |
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| 9 | dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without |
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| 10 | dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A |
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| 11 | dnl PARTICULAR PURPOSE. |
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| 12 | |
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| 13 | dnl $Id$ |
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| 14 | |
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| 15 | dnl |
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| 16 | dnl RTEMS_TOP($1) |
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| 17 | dnl |
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| 18 | dnl $1 .. relative path from this configure.in to the toplevel configure.in |
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| 19 | dnl |
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| 20 | AC_DEFUN(RTEMS_TOP, |
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| 21 | [dnl |
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| 22 | AC_BEFORE([$0], [AC_CONFIG_AUX_DIR])dnl |
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| 23 | AC_BEFORE([$0], [AM_INIT_AUTOMAKE])dnl |
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| 24 | |
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| 25 | AC_ARG_WITH(target-subdir, |
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| 26 | [ --with-target-subdir=DIR], |
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| 27 | TARGET_SUBDIR="$withval", |
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| 28 | TARGET_SUBDIR=".") |
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| 29 | |
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| 30 | RTEMS_TOPdir="$1"; |
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| 31 | AC_SUBST(RTEMS_TOPdir) |
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| 32 | |
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| 33 | dnl Determine RTEMS Version string from the VERSION file |
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| 34 | dnl Hopefully, Joel never changes its format ;- |
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| 35 | AC_MSG_CHECKING([for RTEMS Version]) |
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| 36 | if test -r "${srcdir}/${RTEMS_TOPdir}/VERSION"; then |
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| 37 | changequote(,)dnl |
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| 38 | RTEMS_VERSION=`grep Version ${srcdir}/${RTEMS_TOPdir}/VERSION | \ |
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| 39 | sed -e 's%RTEMS[ ]*Version[ ]*\(.*\)[ ]*%\1%g'` |
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| 40 | changequote([,])dnl |
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| 41 | else |
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| 42 | AC_MSG_ERROR(Unable to find ${RTEMS_TOPdir}/VERSION) |
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| 43 | fi |
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| 44 | if test -z "$RTEMS_VERSION"; then |
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| 45 | AC_MSG_ERROR(Unable to determine version) |
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| 46 | fi |
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| 47 | AC_MSG_RESULT($RTEMS_VERSION) |
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| 48 | ])dnl |
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| 49 | |
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| 50 | # Do all the work for Automake. This macro actually does too much -- |
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| 51 | # some checks are only needed if your package does certain things. |
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| 52 | # But this isn't really a big deal. |
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| 53 | |
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| 54 | # serial 1 |
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| 55 | |
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| 56 | dnl Usage: |
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| 57 | dnl AM_INIT_AUTOMAKE(package,version, [no-define]) |
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| 58 | |
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| 59 | AC_DEFUN(AM_INIT_AUTOMAKE, |
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| 60 | [AC_REQUIRE([AC_PROG_INSTALL]) |
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| 61 | dnl We require 2.13 because we rely on SHELL being computed by configure. |
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| 62 | AC_PREREQ([2.13]) |
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| 63 | PACKAGE=[$1] |
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| 64 | AC_SUBST(PACKAGE) |
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| 65 | VERSION=[$2] |
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| 66 | AC_SUBST(VERSION) |
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| 67 | dnl test to see if srcdir already configured |
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| 68 | if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then |
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| 69 | AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) |
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| 70 | fi |
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| 71 | ifelse([$3],, |
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| 72 | AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) |
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| 73 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])) |
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| 74 | AC_REQUIRE([AM_SANITY_CHECK]) |
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| 75 | AC_REQUIRE([AC_ARG_PROGRAM]) |
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| 76 | dnl FIXME This is truly gross. |
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| 77 | missing_dir=`cd $ac_aux_dir && pwd` |
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| 78 | AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) |
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| 79 | AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) |
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| 80 | AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) |
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| 81 | AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) |
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| 82 | AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) |
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| 83 | AC_REQUIRE([AC_PROG_MAKE_SET])]) |
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| 84 | |
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| 85 | # |
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| 86 | # Check to make sure that the build environment is sane. |
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| 87 | # |
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| 88 | |
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| 89 | AC_DEFUN(AM_SANITY_CHECK, |
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| 90 | [AC_MSG_CHECKING([whether build environment is sane]) |
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| 91 | # Just in case |
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| 92 | sleep 1 |
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| 93 | echo timestamp > conftestfile |
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| 94 | # Do `set' in a subshell so we don't clobber the current shell's |
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| 95 | # arguments. Must try -L first in case configure is actually a |
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| 96 | # symlink; some systems play weird games with the mod time of symlinks |
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| 97 | # (eg FreeBSD returns the mod time of the symlink's containing |
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| 98 | # directory). |
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| 99 | if ( |
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| 100 | set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` |
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| 101 | if test "[$]*" = "X"; then |
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| 102 | # -L didn't work. |
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| 103 | set X `ls -t $srcdir/configure conftestfile` |
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| 104 | fi |
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| 105 | if test "[$]*" != "X $srcdir/configure conftestfile" \ |
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| 106 | && test "[$]*" != "X conftestfile $srcdir/configure"; then |
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| 107 | |
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| 108 | # If neither matched, then we have a broken ls. This can happen |
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| 109 | # if, for instance, CONFIG_SHELL is bash and it inherits a |
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| 110 | # broken ls alias from the environment. This has actually |
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| 111 | # happened. Such a system could not be considered "sane". |
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| 112 | AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken |
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| 113 | alias in your environment]) |
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| 114 | fi |
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| 115 | |
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| 116 | test "[$]2" = conftestfile |
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| 117 | ) |
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| 118 | then |
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| 119 | # Ok. |
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| 120 | : |
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| 121 | else |
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| 122 | AC_MSG_ERROR([newly created file is older than distributed files! |
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| 123 | Check your system clock]) |
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| 124 | fi |
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| 125 | rm -f conftest* |
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| 126 | AC_MSG_RESULT(yes)]) |
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| 127 | |
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| 128 | dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY) |
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| 129 | dnl The program must properly implement --version. |
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| 130 | AC_DEFUN(AM_MISSING_PROG, |
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| 131 | [AC_MSG_CHECKING(for working $2) |
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| 132 | # Run test in a subshell; some versions of sh will print an error if |
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| 133 | # an executable is not found, even if stderr is redirected. |
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| 134 | # Redirect stdin to placate older versions of autoconf. Sigh. |
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| 135 | if ($2 --version) < /dev/null > /dev/null 2>&1; then |
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| 136 | $1=$2 |
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| 137 | AC_MSG_RESULT(found) |
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| 138 | else |
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| 139 | $1="$3/missing $2" |
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| 140 | AC_MSG_RESULT(missing) |
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| 141 | fi |
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| 142 | AC_SUBST($1)]) |
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| 143 | |
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| 144 | dnl |
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| 145 | dnl $Id$ |
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| 146 | dnl |
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| 147 | |
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| 148 | dnl canonicalize target cpu |
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| 149 | dnl NOTE: Most rtems targets do not fullfil autoconf's |
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| 150 | dnl target naming conventions "processor-vendor-os" |
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| 151 | dnl Therefore autoconf's AC_CANONICAL_TARGET will fail for them |
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| 152 | dnl and we have to fix it for rtems ourselves |
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| 153 | |
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| 154 | AC_DEFUN(RTEMS_CANONICAL_TARGET_CPU, |
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| 155 | [ |
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| 156 | AC_CANONICAL_SYSTEM |
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| 157 | AC_MSG_CHECKING(rtems target cpu) |
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| 158 | changequote(,)dnl |
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| 159 | case "${target}" in |
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| 160 | # hpux unix port should go here |
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| 161 | i[3456]86-go32-rtems*) |
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| 162 | RTEMS_CPU=i386 |
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| 163 | ;; |
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| 164 | i[3456]86-pc-linux*) # unix "simulator" port |
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| 165 | RTEMS_CPU=unix |
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| 166 | ;; |
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| 167 | i[3456]86-*freebsd2*) # unix "simulator" port |
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| 168 | RTEMS_CPU=unix |
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| 169 | ;; |
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| 170 | no_cpu-*rtems*) |
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| 171 | RTEMS_CPU=no_cpu |
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| 172 | ;; |
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| 173 | sparc-sun-solaris*) # unix "simulator" port |
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| 174 | RTEMS_CPU=unix |
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| 175 | ;; |
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| 176 | *) |
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| 177 | RTEMS_CPU=`echo $target | sed 's%^\([^-]*\)-\(.*\)$%\1%'` |
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| 178 | ;; |
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| 179 | esac |
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| 180 | changequote([,])dnl |
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| 181 | AC_SUBST(RTEMS_CPU) |
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| 182 | AC_MSG_RESULT($RTEMS_CPU) |
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| 183 | ]) |
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| 184 | |
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| 185 | # Add --enable-maintainer-mode option to configure. |
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| 186 | # From Jim Meyering |
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| 187 | |
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| 188 | # serial 1 |
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| 189 | |
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| 190 | AC_DEFUN(AM_MAINTAINER_MODE, |
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| 191 | [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) |
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| 192 | dnl maintainer-mode is disabled by default |
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| 193 | AC_ARG_ENABLE(maintainer-mode, |
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| 194 | [ --enable-maintainer-mode enable make rules and dependencies not useful |
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| 195 | (and sometimes confusing) to the casual installer], |
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| 196 | USE_MAINTAINER_MODE=$enableval, |
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| 197 | USE_MAINTAINER_MODE=no) |
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| 198 | AC_MSG_RESULT($USE_MAINTAINER_MODE) |
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| 199 | AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes) |
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| 200 | MAINT=$MAINTAINER_MODE_TRUE |
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| 201 | AC_SUBST(MAINT)dnl |
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| 202 | ] |
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| 203 | ) |
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| 204 | |
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| 205 | # Define a conditional. |
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| 206 | |
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| 207 | AC_DEFUN(AM_CONDITIONAL, |
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| 208 | [AC_SUBST($1_TRUE) |
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| 209 | AC_SUBST($1_FALSE) |
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| 210 | if $2; then |
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| 211 | $1_TRUE= |
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| 212 | $1_FALSE='#' |
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| 213 | else |
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| 214 | $1_TRUE='#' |
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| 215 | $1_FALSE= |
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| 216 | fi]) |
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| 217 | |
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| 218 | dnl $Id$ |
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| 219 | |
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| 220 | AC_DEFUN(RTEMS_ENABLE_LIBCDIR, |
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| 221 | [ |
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| 222 | AC_ARG_ENABLE(libcdir, |
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| 223 | [ --enable-libcdir=directory set the directory for the C library], |
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| 224 | [ RTEMS_LIBC_DIR="${enableval}" ; \ |
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| 225 | test -d ${enableval} || AC_MSG_ERROR("$enableval is not a directory" ) ] ) |
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| 226 | AC_SUBST(RTEMS_LIBC_DIR)dnl |
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| 227 | ]) |
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| 228 | |
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| 229 | AC_DEFUN(RTEMS_ENABLE_BARE, |
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| 230 | [ |
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| 231 | AC_ARG_ENABLE(bare-cpu-cflags, |
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| 232 | [ --enable-bare-cpu-cflags specify a particular cpu cflag] |
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| 233 | [ (bare bsp specific)], |
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| 234 | [case "${enableval}" in |
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| 235 | no) BARE_CPU_CFLAGS="" ;; |
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| 236 | *) BARE_CPU_CFLAGS="${enableval}" ;; |
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| 237 | esac], |
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| 238 | [BARE_CPU_CFLAGS=""]) |
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| 239 | |
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| 240 | AC_ARG_ENABLE(bare-cpu-model, |
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| 241 | [ --enable-bare-cpu-model specify a particular cpu model] |
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| 242 | [ (bare bsp specific)], |
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| 243 | [case "${enableval}" in |
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| 244 | no) BARE_CPU_MODEL="" ;; |
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| 245 | *) BARE_CPU_MODEL="${enableval}" ;; |
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| 246 | esac], |
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| 247 | [BARE_CPU_MODEL=""]) |
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| 248 | ]) |
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| 249 | |
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| 250 | |
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| 251 | dnl $Id$ |
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| 252 | |
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| 253 | dnl Override the set of BSPs to be built. |
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| 254 | dnl used by the toplevel configure script |
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| 255 | dnl RTEMS_ENABLE_RTEMSBSP(rtems_bsp_list) |
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| 256 | AC_DEFUN(RTEMS_ENABLE_RTEMSBSP, |
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| 257 | [ |
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| 258 | AC_BEFORE([$0], [RTEMS_ENV_RTEMSBSP])dnl |
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| 259 | AC_ARG_ENABLE(rtemsbsp, |
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| 260 | [ --enable-rtemsbsp=bsp1 bsp2 .. BSPs to include in build], |
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| 261 | [case "${enableval}" in |
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| 262 | yes|no) AC_MSG_ERROR([missing argument to --enable-rtemsbsp=\"bsp1 bsp2\"]);; |
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| 263 | *) $1=$enableval;; |
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| 264 | esac],[$1=""]) |
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| 265 | ]) |
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| 266 | |
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| 267 | dnl Pass a single BSP via an environment variable |
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| 268 | dnl used by per BSP configure scripts |
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| 269 | AC_DEFUN(RTEMS_ENV_RTEMSBSP, |
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| 270 | [dnl |
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| 271 | AC_BEFORE([$0], [RTEMS_ENABLE_RTEMSBSP])dnl |
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| 272 | AC_BEFORE([$0], [RTEMS_PROJECT_ROOT])dnl |
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| 273 | AC_BEFORE([$0], [RTEMS_CHECK_CUSTOM_BSP])dnl |
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| 274 | AC_BEFORE([$0], [RTEMS_CHECK_MULTIPROCESSING])dnl |
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| 275 | AC_BEFORE([$0], [RTEMS_CHECK_POSIX_API])dnl |
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| 276 | |
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| 277 | AC_MSG_CHECKING([for RTEMS_BSP]) |
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| 278 | AC_CACHE_VAL(rtems_cv_RTEMS_BSP, |
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| 279 | [dnl |
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| 280 | test -n "${RTEMS_BSP}" && rtems_cv_RTEMS_BSP="$RTEMS_BSP"; |
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| 281 | ])dnl |
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| 282 | if test -z "$rtems_cv_RTEMS_BSP"; then |
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| 283 | AC_MSG_ERROR([Missing RTEMS_BSP]) |
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| 284 | fi |
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| 285 | RTEMS_BSP="$rtems_cv_RTEMS_BSP" |
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| 286 | AC_MSG_RESULT(${RTEMS_BSP}) |
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| 287 | AC_SUBST(RTEMS_BSP) |
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| 288 | ]) |
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| 289 | |
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| 290 | dnl |
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| 291 | dnl $Id$ |
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| 292 | dnl |
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| 293 | |
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| 294 | AC_DEFUN(RTEMS_PROJECT_ROOT, |
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| 295 | [dnl |
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| 296 | AC_REQUIRE([RTEMS_TOP]) |
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| 297 | if test "$TARGET_SUBDIR" = "." ; then |
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| 298 | PROJECT_ROOT=$RTEMS_TOPdir/'$(top_builddir)'; |
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| 299 | else |
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| 300 | PROJECT_ROOT=../$RTEMS_TOPdir/'$(top_builddir)' |
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| 301 | fi |
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| 302 | AC_SUBST(PROJECT_ROOT) |
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| 303 | |
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| 304 | RTEMS_ROOT=$RTEMS_TOPdir/'$(top_builddir)'/c/$RTEMS_BSP |
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| 305 | AC_SUBST(RTEMS_ROOT) |
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| 306 | |
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| 307 | INSTALL_CHANGE="\$(KSH) \$(PROJECT_ROOT)/tools/build/install-if-change" |
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| 308 | AC_SUBST(INSTALL_CHANGE) |
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| 309 | |
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| 310 | PACKHEX="\$(PROJECT_ROOT)/tools/build/packhex" |
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| 311 | AC_SUBST(PACKHEX) |
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| 312 | ]) |
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| 313 | |
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| 314 | |
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| 315 | dnl $Id$ |
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| 316 | |
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| 317 | dnl Report all available bsps for a target, |
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| 318 | dnl check if a bsp-subdirectory is present for all bsps found |
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| 319 | dnl |
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| 320 | dnl RTEMS_CHECK_BSPS(bsp_list) |
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| 321 | AC_DEFUN(RTEMS_CHECK_BSPS, |
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| 322 | [ |
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| 323 | AC_REQUIRE([RTEMS_CHECK_CPU])dnl sets RTEMS_CPU, target |
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| 324 | AC_REQUIRE([RTEMS_TOP])dnl sets RTEMS_TOPdir |
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| 325 | AC_MSG_CHECKING([for bsps]) |
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| 326 | case "${target}" in |
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| 327 | changequote(,)dnl |
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| 328 | i[3456]86-go32-rtems*) |
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| 329 | changequote([,])dnl |
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| 330 | $1="go32 go32_p5" |
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| 331 | ;; |
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| 332 | *) |
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| 333 | files=`ls $srcdir/$RTEMS_TOPdir/c/src/lib/libbsp/$RTEMS_CPU` |
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| 334 | for file in $files; do |
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| 335 | case $file in |
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| 336 | shared*);; |
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| 337 | Makefile*);; |
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| 338 | READ*);; |
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| 339 | CVS*);; |
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| 340 | pxfl*);; |
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| 341 | go32*);; # so the i386 port can pick up the other Makefiles |
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| 342 | # Now account for BSPs with build variants |
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| 343 | gen68360) rtems_bsp="$rtems_bsp gen68360 gen68360_040";; |
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| 344 | p4000) rtems_bsp="$rtems_bsp p4600 p4650";; |
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| 345 | mvme162) rtems_bsp="$rtems_bsp mvme162 mvme162lx";; |
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| 346 | *) $1="[$]$1 $file";; |
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| 347 | esac; |
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| 348 | done |
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| 349 | ;; |
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| 350 | esac |
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| 351 | AC_MSG_RESULT([[$]$1 .. done]) |
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| 352 | ])dnl |
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| 353 | |
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| 354 | AC_DEFUN(RTEMS_CHECK_CUSTOM_BSP, |
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| 355 | [dnl |
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| 356 | AC_REQUIRE([RTEMS_TOP]) |
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| 357 | |
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| 358 | AC_MSG_CHECKING([for make/custom/[$]$1.cfg]) |
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| 359 | if test -r "$srcdir/$RTEMS_TOPdir/make/custom/[$]$1.cfg"; then |
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| 360 | AC_MSG_RESULT([yes]) |
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| 361 | else |
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| 362 | AC_MSG_ERROR([no]) |
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| 363 | fi |
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| 364 | ])dnl |
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| 365 | |
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| 366 | dnl $Id$ |
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| 367 | |
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| 368 | dnl check if RTEMS support a cpu |
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| 369 | AC_DEFUN(RTEMS_CHECK_CPU, |
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| 370 | [dnl |
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| 371 | AC_REQUIRE([RTEMS_TOP]) |
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| 372 | AC_REQUIRE([RTEMS_CANONICAL_TARGET_CPU]) |
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| 373 | AC_BEFORE([$0], [RTEMS_CHECK_POSIX_API])dnl |
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| 374 | |
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| 375 | # Is this a supported CPU? |
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| 376 | AC_MSG_CHECKING([if cpu $RTEMS_CPU is supported]) |
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| 377 | if test -d "$srcdir/$RTEMS_TOPdir/c/src/exec/score/cpu/$RTEMS_CPU"; then |
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| 378 | AC_MSG_RESULT(yes) |
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| 379 | else |
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| 380 | AC_MSG_ERROR(no) |
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| 381 | fi |
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| 382 | ])dnl |
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| 383 | |
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| 384 | |
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| 385 | dnl $Id$ |
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| 386 | dnl |
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| 387 | AC_DEFUN(RTEMS_CHECK_POSIX_API, |
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| 388 | [dnl |
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| 389 | AC_REQUIRE([RTEMS_CHECK_CPU])dnl |
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| 390 | AC_REQUIRE([RTEMS_ENABLE_POSIX])dnl |
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| 391 | |
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| 392 | AC_CACHE_CHECK([whether BSP supports libposix], |
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| 393 | rtems_cv_HAS_POSIX_API, |
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| 394 | [dnl |
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| 395 | case "$RTEMS_CPU" in |
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| 396 | unix*) |
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| 397 | rtems_cv_HAS_POSIX_API="no" |
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| 398 | ;; |
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| 399 | *) |
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| 400 | if test "${RTEMS_HAS_POSIX_API}" = "yes"; then |
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| 401 | rtems_cv_HAS_POSIX_API="yes"; |
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| 402 | else |
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| 403 | rtems_cv_HAS_POSIX_API="disabled"; |
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| 404 | fi |
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| 405 | ;; |
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| 406 | esac]) |
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| 407 | if test "$rtems_cv_HAS_POSIX_API" = "yes"; then |
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| 408 | HAS_POSIX_API="yes"; |
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| 409 | else |
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| 410 | HAS_POSIX_API="no"; |
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| 411 | fi |
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| 412 | AC_SUBST(HAS_POSIX_API)dnl |
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| 413 | ]) |
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| 414 | |
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| 415 | dnl $Id$ |
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| 416 | |
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| 417 | AC_DEFUN(RTEMS_ENABLE_POSIX, |
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| 418 | [ |
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| 419 | AC_BEFORE([$0], [RTEMS_CHECK_POSIX_API])dnl |
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| 420 | |
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| 421 | AC_ARG_ENABLE(posix, |
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| 422 | [ --enable-posix enable posix interface], |
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| 423 | [case "${enableval}" in |
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| 424 | yes) RTEMS_HAS_POSIX_API=yes ;; |
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| 425 | no) RTEMS_HAS_POSIX_API=no ;; |
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| 426 | *) AC_MSG_ERROR(bad value ${enableval} for enable-posix option) ;; |
|---|
| 427 | esac],[RTEMS_HAS_POSIX_API=yes]) |
|---|
| 428 | AC_SUBST(RTEMS_HAS_POSIX_API) |
|---|
| 429 | |
|---|
| 430 | changequote(,)dnl |
|---|
| 431 | case "${target}" in |
|---|
| 432 | # hpux unix port should go here |
|---|
| 433 | i[3456]86-go32-rtems*) |
|---|
| 434 | RTEMS_HAS_POSIX_API=no |
|---|
| 435 | ;; |
|---|
| 436 | i[3456]86-pc-linux*) # unix "simulator" port |
|---|
| 437 | RTEMS_HAS_POSIX_API=no |
|---|
| 438 | ;; |
|---|
| 439 | i[3456]86-*freebsd2*) # unix "simulator" port |
|---|
| 440 | RTEMS_HAS_POSIX_API=no |
|---|
| 441 | ;; |
|---|
| 442 | no_cpu-*rtems*) |
|---|
| 443 | RTEMS_HAS_POSIX_API=no |
|---|
| 444 | ;; |
|---|
| 445 | sparc-sun-solaris*) # unix "simulator" port |
|---|
| 446 | RTEMS_HAS_POSIX_API=no |
|---|
| 447 | ;; |
|---|
| 448 | *) |
|---|
| 449 | ;; |
|---|
| 450 | esac |
|---|
| 451 | changequote([,])dnl |
|---|
| 452 | AC_SUBST(RTEMS_HAS_POSIX_API) |
|---|
| 453 | ]) |
|---|
| 454 | |
|---|
| 455 | dnl |
|---|
| 456 | dnl $Id$ |
|---|
| 457 | dnl |
|---|
| 458 | |
|---|
| 459 | AC_DEFUN(RTEMS_CHECK_MULTIPROCESSING, |
|---|
| 460 | [dnl |
|---|
| 461 | AC_REQUIRE([RTEMS_TOP])dnl |
|---|
| 462 | AC_REQUIRE([RTEMS_CHECK_CPU])dnl |
|---|
| 463 | AC_REQUIRE([RTEMS_ENABLE_MULTIPROCESSING])dnl |
|---|
| 464 | |
|---|
| 465 | AC_CACHE_CHECK([whether BSP supports multiprocessing], |
|---|
| 466 | rtems_cv_HAS_MP, |
|---|
| 467 | [dnl |
|---|
| 468 | if test -d "$srcdir/${RTEMS_TOPdir}/c/src/lib/libbsp/${RTEMS_CPU}/${$1}/shmsupp"; then |
|---|
| 469 | if test "$RTEMS_HAS_MULTIPROCESSING" = "yes"; then |
|---|
| 470 | rtems_cv_HAS_MP="yes" ; |
|---|
| 471 | else |
|---|
| 472 | rtems_cv_HAS_MP="disabled"; |
|---|
| 473 | fi |
|---|
| 474 | else |
|---|
| 475 | rtems_cv_HAS_MP="no"; |
|---|
| 476 | fi]) |
|---|
| 477 | if test "$rtems_cv_HAS_MP" = "yes"; then |
|---|
| 478 | HAS_MP="yes" |
|---|
| 479 | else |
|---|
| 480 | HAS_MP="no" |
|---|
| 481 | fi |
|---|
| 482 | AC_SUBST(HAS_MP) |
|---|
| 483 | ]) |
|---|
| 484 | |
|---|
| 485 | dnl $Id$ |
|---|
| 486 | |
|---|
| 487 | AC_DEFUN(RTEMS_ENABLE_MULTIPROCESSING, |
|---|
| 488 | [ |
|---|
| 489 | AC_ARG_ENABLE(multiprocessing, |
|---|
| 490 | [ --enable-multiprocessing enable multiprocessing interface], |
|---|
| 491 | [case "${enableval}" in |
|---|
| 492 | yes) RTEMS_HAS_MULTIPROCESSING=yes ;; |
|---|
| 493 | no) RTEMS_HAS_MULTIPROCESSING=no ;; |
|---|
| 494 | *) AC_MSG_ERROR(bad value ${enableval} for enable-multiprocessing option) ;; |
|---|
| 495 | esac],[RTEMS_HAS_MULTIPROCESSING=no]) |
|---|
| 496 | AC_SUBST(RTEMS_HAS_MULTIPROCESSING)dnl |
|---|
| 497 | ]) |
|---|
| 498 | |
|---|
| 499 | dnl $Id$ |
|---|
| 500 | |
|---|
| 501 | AC_DEFUN(RTEMS_CANONICAL_HOST, |
|---|
| 502 | [dnl |
|---|
| 503 | AC_REQUIRE([AC_CANONICAL_HOST]) |
|---|
| 504 | RTEMS_HOST=$host_os |
|---|
| 505 | changequote(,)dnl |
|---|
| 506 | case "${target}" in |
|---|
| 507 | # hpux unix port should go here |
|---|
| 508 | i[3456]86-pc-linux*) # unix "simulator" port |
|---|
| 509 | RTEMS_HOST=Linux |
|---|
| 510 | ;; |
|---|
| 511 | i[3456]86-*freebsd2*) # unix "simulator" port |
|---|
| 512 | RTEMS_HOST=FreeBSD |
|---|
| 513 | ;; |
|---|
| 514 | sparc-sun-solaris*) # unix "simulator" port |
|---|
| 515 | RTEMS_HOST=Solaris |
|---|
| 516 | ;; |
|---|
| 517 | *) |
|---|
| 518 | ;; |
|---|
| 519 | esac |
|---|
| 520 | changequote([,])dnl |
|---|
| 521 | AC_SUBST(RTEMS_HOST) |
|---|
| 522 | ])dnl |
|---|
| 523 | |
|---|
| 524 | dnl |
|---|
| 525 | dnl $Id$ |
|---|
| 526 | dnl |
|---|
| 527 | dnl Check for target gcc |
|---|
| 528 | dnl |
|---|
| 529 | dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
|---|
| 530 | dnl Completely reworked |
|---|
| 531 | |
|---|
| 532 | AC_DEFUN(RTEMS_PROG_CC, |
|---|
| 533 | [ |
|---|
| 534 | AC_BEFORE([$0], [AC_PROG_CPP])dnl |
|---|
| 535 | AC_BEFORE([$0], [AC_PROG_CC])dnl |
|---|
| 536 | AC_BEFORE([$0], [RTEMS_CANONICALIZE_TOOLS])dnl |
|---|
| 537 | AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl |
|---|
| 538 | |
|---|
| 539 | dnl Only accept gcc and cc |
|---|
| 540 | dnl NOTE: This might be too restrictive for native compilation |
|---|
| 541 | AC_PATH_PROGS(CC_FOR_TARGET, "$program_prefix"gcc "$program_prefix"cc ) |
|---|
| 542 | test -z "$CC_FOR_TARGET" \ |
|---|
| 543 | && AC_MSG_ERROR([no acceptable cc found in \$PATH]) |
|---|
| 544 | |
|---|
| 545 | dnl backup |
|---|
| 546 | rtems_save_CC=$CC |
|---|
| 547 | rtems_save_CFLAGS=$CFLAGS |
|---|
| 548 | |
|---|
| 549 | dnl temporarily set CC |
|---|
| 550 | CC=$CC_FOR_TARGET |
|---|
| 551 | |
|---|
| 552 | AC_PROG_CC_WORKS |
|---|
| 553 | AC_PROG_CC_GNU |
|---|
| 554 | |
|---|
| 555 | if test $ac_cv_prog_gcc = yes; then |
|---|
| 556 | GCC=yes |
|---|
| 557 | dnl Check whether -g works, even if CFLAGS is set, in case the package |
|---|
| 558 | dnl plays around with CFLAGS (such as to build both debugging and |
|---|
| 559 | dnl normal versions of a library), tasteless as that idea is. |
|---|
| 560 | ac_test_CFLAGS="${CFLAGS+set}" |
|---|
| 561 | ac_save_CFLAGS="$CFLAGS" |
|---|
| 562 | CFLAGS= |
|---|
| 563 | AC_PROG_CC_G |
|---|
| 564 | if test "$ac_test_CFLAGS" = set; then |
|---|
| 565 | CFLAGS="$ac_save_CFLAGS" |
|---|
| 566 | elif test $ac_cv_prog_cc_g = yes; then |
|---|
| 567 | CFLAGS="-g -O2" |
|---|
| 568 | else |
|---|
| 569 | CFLAGS="-O2" |
|---|
| 570 | fi |
|---|
| 571 | else |
|---|
| 572 | GCC= |
|---|
| 573 | test "${CFLAGS+set}" = set || CFLAGS="-g" |
|---|
| 574 | fi |
|---|
| 575 | |
|---|
| 576 | rtems_cv_prog_gcc=$ac_cv_prog_gcc |
|---|
| 577 | rtems_cv_prog_cc_g=$ac_cv_prog_cc_g |
|---|
| 578 | rtems_cv_prog_cc_works=$ac_cv_prog_cc_works |
|---|
| 579 | rtems_cv_prog_cc_cross=$ac_cv_prog_cc_cross |
|---|
| 580 | |
|---|
| 581 | dnl restore initial values |
|---|
| 582 | CC=$rtems_save_CC |
|---|
| 583 | CFLAGS=$rtems_save_CFLAGS |
|---|
| 584 | |
|---|
| 585 | unset ac_cv_prog_gcc |
|---|
| 586 | unset ac_cv_prog_cc_g |
|---|
| 587 | unset ac_cv_prog_cc_works |
|---|
| 588 | unset ac_cv_prog_cc_cross |
|---|
| 589 | ]) |
|---|
| 590 | |
|---|
| 591 | AC_DEFUN(RTEMS_PROG_CC_FOR_TARGET, |
|---|
| 592 | [ |
|---|
| 593 | dnl check target cc |
|---|
| 594 | RTEMS_PROG_CC |
|---|
| 595 | dnl check if the compiler supports --specs |
|---|
| 596 | RTEMS_GCC_SPECS |
|---|
| 597 | dnl check if the target compiler may use --pipe |
|---|
| 598 | RTEMS_GCC_PIPE |
|---|
| 599 | dnl check if the compiler supports --specs if gcc28 is requested |
|---|
| 600 | if test "$RTEMS_USE_GCC272" != "yes" ; then |
|---|
| 601 | if test "$rtems_cv_gcc_specs" = "no"; then |
|---|
| 602 | AC_MSG_WARN([*** disabling --enable-gcc28]) |
|---|
| 603 | RTEMS_USE_GCC272=yes |
|---|
| 604 | fi |
|---|
| 605 | fi |
|---|
| 606 | test "$rtems_cv_gcc_pipe" = "yes" && CC_FOR_TARGET="$CC_FOR_TARGET --pipe" |
|---|
| 607 | |
|---|
| 608 | dnl FIXME: HACK for egcs/cygwin mixing '\\' and '/' in gcc -print-* |
|---|
| 609 | case $host_os in |
|---|
| 610 | *cygwin*) GCCSED="| sed 's%\\\\%/%g'" ;; |
|---|
| 611 | *) ;; |
|---|
| 612 | esac |
|---|
| 613 | AC_SUBST(GCCSED) |
|---|
| 614 | ]) |
|---|
| 615 | |
|---|
| 616 | dnl |
|---|
| 617 | dnl $Id$ |
|---|
| 618 | dnl |
|---|
| 619 | dnl Set target tools |
|---|
| 620 | dnl |
|---|
| 621 | dnl 98/06/23 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
|---|
| 622 | dnl fixing cache/environment variable handling |
|---|
| 623 | dnl adding checks for cygwin/egcs '\\'-bug |
|---|
| 624 | dnl adding checks for ranlib/ar -s problem |
|---|
| 625 | dnl |
|---|
| 626 | dnl 98/02/12 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
|---|
| 627 | dnl |
|---|
| 628 | |
|---|
| 629 | AC_DEFUN(RTEMS_GCC_PRINT, |
|---|
| 630 | [ case $host_os in |
|---|
| 631 | *cygwin*) |
|---|
| 632 | dnl FIXME: Hack for cygwin/egcs reporting mixed '\\' and '/' |
|---|
| 633 | dnl Should be removed once cygwin/egcs reports '/' only |
|---|
| 634 | $1=`$CC_FOR_TARGET --print-prog-name=$2 | sed -e 's%\\\\%/%g' ` |
|---|
| 635 | ;; |
|---|
| 636 | *) |
|---|
| 637 | $1=`$CC_FOR_TARGET --print-prog-name=$2` |
|---|
| 638 | ;; |
|---|
| 639 | esac |
|---|
| 640 | ]) |
|---|
| 641 | |
|---|
| 642 | AC_DEFUN(RTEMS_PATH_TOOL, |
|---|
| 643 | [ |
|---|
| 644 | AC_MSG_CHECKING([target's $2]) |
|---|
| 645 | AC_CACHE_VAL(ac_cv_path_$1,:) |
|---|
| 646 | AC_MSG_RESULT([$ac_cv_path_$1]) |
|---|
| 647 | |
|---|
| 648 | if test -n "$ac_cv_path_$1"; then |
|---|
| 649 | dnl retrieve the value from the cache |
|---|
| 650 | $1=$ac_cv_path_$1 |
|---|
| 651 | else |
|---|
| 652 | dnl the cache was not set |
|---|
| 653 | if test -z "[$]$1" ; then |
|---|
| 654 | if test "$rtems_cv_prog_gcc" = "yes"; then |
|---|
| 655 | # We are using gcc, ask it about its tool |
|---|
| 656 | # NOTE: Necessary if gcc was configured to use the target's |
|---|
| 657 | # native tools or uses prefixes for gnutools (e.g. gas instead of as) |
|---|
| 658 | RTEMS_GCC_PRINT($1,$2) |
|---|
| 659 | fi |
|---|
| 660 | else |
|---|
| 661 | # The user set an environment variable. |
|---|
| 662 | # Check whether it is an absolute path, otherwise AC_PATH_PROG |
|---|
| 663 | # will override the environment variable, which isn't what the user |
|---|
| 664 | # intends |
|---|
| 665 | AC_MSG_CHECKING([whether environment variable $1 is an absolute path]) |
|---|
| 666 | case "[$]$1" in |
|---|
| 667 | /*) # valid |
|---|
| 668 | AC_MSG_RESULT("yes") |
|---|
| 669 | ;; |
|---|
| 670 | *) # invalid for AC_PATH_PROG |
|---|
| 671 | AC_MSG_RESULT("no") |
|---|
| 672 | AC_MSG_ERROR([***] |
|---|
| 673 | [Environment variable $1 should either] |
|---|
| 674 | [be unset (preferred) or contain an absolute path]) |
|---|
| 675 | ;; |
|---|
| 676 | esac |
|---|
| 677 | fi |
|---|
| 678 | |
|---|
| 679 | AC_PATH_PROG($1,"$program_prefix"$2,$3) |
|---|
| 680 | fi |
|---|
| 681 | ]) |
|---|
| 682 | |
|---|
| 683 | AC_DEFUN(RTEMS_CANONICALIZE_TOOLS, |
|---|
| 684 | [AC_REQUIRE([RTEMS_PROG_CC])dnl |
|---|
| 685 | |
|---|
| 686 | dnl FIXME: What shall be done if these tools are not available? |
|---|
| 687 | RTEMS_PATH_TOOL(AR_FOR_TARGET,ar,no) |
|---|
| 688 | RTEMS_PATH_TOOL(AS_FOR_TARGET,as,no) |
|---|
| 689 | RTEMS_PATH_TOOL(LD_FOR_TARGET,ld,no) |
|---|
| 690 | RTEMS_PATH_TOOL(NM_FOR_TARGET,nm,no) |
|---|
| 691 | |
|---|
| 692 | dnl special treatment of ranlib |
|---|
| 693 | RTEMS_PATH_TOOL(RANLIB_FOR_TARGET,ranlib,no) |
|---|
| 694 | if test "$RANLIB_FOR_TARGET" = "no"; then |
|---|
| 695 | # ranlib wasn't found; check if ar -s is available |
|---|
| 696 | RTEMS_AR_FOR_TARGET_S |
|---|
| 697 | if test $rtems_cv_AR_FOR_TARGET_S = "yes" ; then |
|---|
| 698 | dnl override RANLIB_FOR_TARGET's cache |
|---|
| 699 | ac_cv_path_RANLIB_FOR_TARGET="$AR_FOR_TARGET -s" |
|---|
| 700 | RANLIB_FOR_TARGET=$ac_cv_path_RANLIB_FOR_TARGET |
|---|
| 701 | else |
|---|
| 702 | AC_MSG_ERROR([***] |
|---|
| 703 | [Can't figure out how to build a library index] |
|---|
| 704 | [Neither ranlib nor ar -s seem to be available] ) |
|---|
| 705 | fi |
|---|
| 706 | fi |
|---|
| 707 | |
|---|
| 708 | dnl NOTE: These may not be available if not using gnutools |
|---|
| 709 | RTEMS_PATH_TOOL(OBJCOPY_FOR_TARGET,objcopy,no) |
|---|
| 710 | RTEMS_PATH_TOOL(SIZE_FOR_TARGET,size,no) |
|---|
| 711 | RTEMS_PATH_TOOL(STRIP_FOR_TARGET,strip,no) |
|---|
| 712 | ]) |
|---|
| 713 | |
|---|
| 714 | dnl |
|---|
| 715 | dnl $Id$ |
|---|
| 716 | dnl |
|---|
| 717 | |
|---|
| 718 | AC_DEFUN(RTEMS_AR_FOR_TARGET_S, |
|---|
| 719 | [ |
|---|
| 720 | AC_CACHE_CHECK(whether $AR_FOR_TARGET -s works, |
|---|
| 721 | rtems_cv_AR_FOR_TARGET_S, |
|---|
| 722 | [ |
|---|
| 723 | cat > conftest.$ac_ext <<EOF |
|---|
| 724 | int foo( int b ) |
|---|
| 725 | { return b; } |
|---|
| 726 | EOF |
|---|
| 727 | if AC_TRY_COMMAND($CC_FOR_TARGET -o conftest.o -c conftest.$ac_ext) \ |
|---|
| 728 | && AC_TRY_COMMAND($AR_FOR_TARGET -sr conftest.a conftest.o) \ |
|---|
| 729 | && test -s conftest.a ; \ |
|---|
| 730 | then |
|---|
| 731 | rtems_cv_AR_FOR_TARGET_S="yes" |
|---|
| 732 | else |
|---|
| 733 | rtems_cv_AR_FOR_TARGET_S="no" |
|---|
| 734 | fi |
|---|
| 735 | rm -f conftest* |
|---|
| 736 | ]) |
|---|
| 737 | ]) |
|---|
| 738 | |
|---|
| 739 | |
|---|
| 740 | dnl |
|---|
| 741 | dnl $Id$ |
|---|
| 742 | dnl |
|---|
| 743 | dnl Set program_prefix |
|---|
| 744 | dnl |
|---|
| 745 | dnl 98/05/20 Ralf Corsepius (corsepiu@faw.uni-ulm.de) |
|---|
| 746 | dnl Extracted from configure |
|---|
| 747 | |
|---|
| 748 | AC_DEFUN(RTEMS_TOOL_PREFIX, |
|---|
| 749 | [AC_REQUIRE([AC_CANONICAL_TARGET])dnl |
|---|
| 750 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl |
|---|
| 751 | |
|---|
| 752 | changequote(,)dnl |
|---|
| 753 | if [ "${program_prefix}" = "NONE" ] ; then |
|---|
| 754 | if [ "${target}" = "${host}" ] ; then |
|---|
| 755 | program_prefix= |
|---|
| 756 | else |
|---|
| 757 | program_prefix=${target}- |
|---|
| 758 | fi |
|---|
| 759 | fi |
|---|
| 760 | changequote([,])dnl |
|---|
| 761 | ]) |
|---|
| 762 | |
|---|
| 763 | dnl |
|---|
| 764 | dnl $Id$ |
|---|
| 765 | dnl |
|---|
| 766 | dnl Check whether the target compiler accepts -specs |
|---|
| 767 | dnl |
|---|
| 768 | |
|---|
| 769 | AC_DEFUN(RTEMS_GCC_SPECS, |
|---|
| 770 | [AC_REQUIRE([RTEMS_PROG_CC]) |
|---|
| 771 | AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts -specs,rtems_cv_gcc_specs, |
|---|
| 772 | [ |
|---|
| 773 | rtems_cv_gcc_specs=no |
|---|
| 774 | if test "$rtems_cv_prog_gcc" = "yes"; then |
|---|
| 775 | touch confspec |
|---|
| 776 | echo 'void f(){}' >conftest.c |
|---|
| 777 | if test -z "`${CC_FOR_TARGET} -specs confspec -c conftest.c 2>&1`";then |
|---|
| 778 | rtems_cv_gcc_specs=yes |
|---|
| 779 | fi |
|---|
| 780 | fi |
|---|
| 781 | rm -f confspec conftest* |
|---|
| 782 | ])]) |
|---|
| 783 | |
|---|
| 784 | dnl |
|---|
| 785 | dnl $Id$ |
|---|
| 786 | dnl |
|---|
| 787 | dnl Check whether the target compiler accepts -pipe |
|---|
| 788 | dnl |
|---|
| 789 | dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de |
|---|
| 790 | dnl |
|---|
| 791 | |
|---|
| 792 | AC_DEFUN(RTEMS_GCC_PIPE, |
|---|
| 793 | [AC_REQUIRE([RTEMS_PROG_CC]) |
|---|
| 794 | AC_REQUIRE([AC_CANONICAL_HOST]) |
|---|
| 795 | AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe, |
|---|
| 796 | [ |
|---|
| 797 | rtems_cv_gcc_pipe=no |
|---|
| 798 | if test "$rtems_cv_prog_gcc" = "yes"; then |
|---|
| 799 | case "$host_os" in |
|---|
| 800 | cygwin*) |
|---|
| 801 | ;; |
|---|
| 802 | *) |
|---|
| 803 | echo 'void f(){}' >conftest.c |
|---|
| 804 | if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then |
|---|
| 805 | rtems_cv_gcc_pipe=yes |
|---|
| 806 | fi |
|---|
| 807 | rm -f conftest* |
|---|
| 808 | ;; |
|---|
| 809 | esac |
|---|
| 810 | fi |
|---|
| 811 | ]) |
|---|
| 812 | ]) |
|---|
| 813 | |
|---|
![[RTEMS Logo]](/images/logo.png){kind=logo}
