| 1 | dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
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| 2 | dnl This file is free software; the Free Software Foundation
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| 3 | dnl gives unlimited permission to copy and/or distribute it,
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| 4 | dnl with or without modifications, as long as this notice is preserved.
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| 5 |
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| 6 | dnl This program is distributed in the hope that it will be useful,
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| 7 | dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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| 8 | dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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| 9 | dnl PARTICULAR PURPOSE.
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| 10 |
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| 11 | dnl
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| 12 | dnl Initialize configure bits.
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| 13 | dnl
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| 14 | dnl GLIBCPP_TOPREL_CONFIGURE
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| 15 | AC_DEFUN(GLIBCPP_TOPREL_CONFIGURE, [
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| 16 | dnl Default to --enable-multilib
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| 17 | AC_ARG_ENABLE(multilib,
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| 18 | [ --enable-multilib build hella library versions (default)],
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| 19 | [case "${enableval}" in
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| 20 | yes) multilib=yes ;;
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| 21 | no) multilib=no ;;
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| 22 | *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
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| 23 | esac], [multilib=yes])dnl
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| 24 |
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| 25 | # When building with srcdir == objdir, links to the source files will
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| 26 | # be created in directories within the target_subdir. We have to
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| 27 | # adjust toplevel_srcdir accordingly, so that configure finds
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| 28 | # install-sh and other auxiliary files that live in the top-level
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| 29 | # source directory.
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| 30 | if test "${srcdir}" = "."; then
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| 31 | if test -z "${with_target_subdir}"; then
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| 32 | toprel=".."
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| 33 | else
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| 34 | if test "${with_target_subdir}" != "."; then
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| 35 | toprel="${with_multisrctop}../.."
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| 36 | else
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| 37 | toprel="${with_multisrctop}.."
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| 38 | fi
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| 39 | fi
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| 40 | else
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| 41 | toprel=".."
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| 42 | fi
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| 43 | AC_CONFIG_AUX_DIR(${srcdir}/$toprel)
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| 44 | toplevel_srcdir=\${top_srcdir}/$toprel
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| 45 | AC_SUBST(toplevel_srcdir)
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| 46 | ])
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| 47 |
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| 48 | dnl
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| 49 | dnl Initialize configure bits.
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| 50 | dnl
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| 51 | dnl GLIBCPP_CONFIGURE
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| 52 | AC_DEFUN(GLIBCPP_CONFIGURE, [
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| 53 | # Export build and source directories.
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| 54 | # These need to be absolute paths, yet at the same time need to
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| 55 | # canonicalize only relative paths, because then amd will not unmount
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| 56 | # drives. Thus the use of PWDCMD: set it to 'pawd' or 'amq -w' if using amd.
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| 57 | glibcpp_builddir=`${PWDCMD-pwd}`
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| 58 | case $srcdir in
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| 59 | [\\/$]* | ?:[\\/]*) glibcpp_srcdir=${srcdir} ;;
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| 60 | *) glibcpp_srcdir=`cd "$srcdir" && ${PWDCMD-pwd} || echo "$srcdir"` ;;
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| 61 | esac
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| 62 | AC_SUBST(glibcpp_builddir)
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| 63 | AC_SUBST(glibcpp_srcdir)
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| 64 |
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| 65 | dnl This is here just to satisfy automake.
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| 66 | ifelse(not,equal,[AC_CONFIG_AUX_DIR(..)])
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| 67 |
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| 68 | # Will set LN_S to either 'ln -s' or 'ln'. With autoconf 2.50+, can also
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| 69 | # be 'cp -p' if linking isn't available.
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| 70 | #ac_cv_prog_LN_S='cp -p'
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| 71 | AC_PROG_LN_S
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| 72 |
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| 73 | # We use these options to decide which functions to include.
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| 74 | AC_ARG_WITH(target-subdir,
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| 75 | [ --with-target-subdir=SUBDIR
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| 76 | configuring in a subdirectory])
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| 77 | AC_ARG_WITH(cross-host,
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| 78 | [ --with-cross-host=HOST configuring with a cross compiler])
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| 79 |
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| 80 | # Never versions of autoconf add an underscore to these functions.
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| 81 | # Prevent future problems ...
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| 82 | ifdef([AC_PROG_CC_G],[],[define([AC_PROG_CC_G],defn([_AC_PROG_CC_G]))])
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| 83 | ifdef([AC_PROG_CC_GNU],[],[define([AC_PROG_CC_GNU],defn([_AC_PROG_CC_GNU]))])
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| 84 | ifdef([AC_PROG_CXX_G],[],[define([AC_PROG_CXX_G],defn([_AC_PROG_CXX_G]))])
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| 85 | ifdef([AC_PROG_CXX_GNU],[],[define([AC_PROG_CXX_GNU],defn([_AC_PROG_CXX_GNU]))])
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| 86 |
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| 87 | # AC_PROG_CC
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| 88 |
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| 89 | # FIXME: We temporarily define our own version of AC_PROG_CC. This is
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| 90 | # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
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| 91 | # are probably using a cross compiler, which will not be able to fully
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| 92 | # link an executable. This should really be fixed in autoconf
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| 93 | # itself.
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| 94 |
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| 95 | AC_DEFUN(LIB_AC_PROG_CC,
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| 96 | [AC_BEFORE([$0], [AC_PROG_CPP])dnl
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| 97 | dnl Fool anybody using AC_PROG_CC.
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