[18473] | 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=`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([$0], [AC_PROG_CPP])dnl |
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| 97 | dnl Fool anybody using AC_PROG_CC. |
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| 98 | AC_PROVIDE([AC_PROG_CC]) |
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| 99 | AC_CHECK_PROG(CC, gcc, gcc) |
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| 100 | if test -z "$CC"; then |
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| 101 | AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) |
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| 102 | test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) |
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| 103 | fi |
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| 104 | |
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| 105 | AC_PROG_CC_GNU |
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| 106 | |
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| 107 | if test $ac_cv_prog_gcc = yes; then |
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| 108 | GCC=yes |
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| 109 | dnl Check whether -g works, even if CFLAGS is set, in case the package |
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| 110 | dnl plays around with CFLAGS (such as to build both debugging and |
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| 111 | dnl normal versions of a library), tasteless as that idea is. |
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| 112 | ac_test_CFLAGS="${CFLAGS+set}" |
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| 113 | ac_save_CFLAGS="$CFLAGS" |
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| 114 | CFLAGS= |
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| 115 | AC_PROG_CC_G |
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| 116 | if test "$ac_test_CFLAGS" = set; then |
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| 117 | CFLAGS="$ac_save_CFLAGS" |
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| 118 | elif test $ac_cv_prog_cc_g = yes; then |
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| 119 | CFLAGS="-g -O2" |
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| 120 | else |
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| 121 | CFLAGS="-O2" |
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| 122 | fi |
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| 123 | else |
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| 124 | GCC= |
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| 125 | test "${CFLAGS+set}" = set || CFLAGS="-g" |
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| 126 | fi |
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| 127 | ]) |
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| 128 | |
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| 129 | LIB_AC_PROG_CC |
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| 130 | |
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| 131 | AC_CHECK_TOOL(AS, as) |
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| 132 | AC_CHECK_TOOL(AR, ar) |
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| 133 | AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error) |
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| 134 | AC_PROG_INSTALL |
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| 135 | |
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| 136 | # We need AC_EXEEXT to keep automake happy in cygnus mode. However, |
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| 137 | # at least currently, we never actually build a program, so we never |
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| 138 | # need to use $(EXEEXT). Moreover, the test for EXEEXT normally |
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| 139 | # fails, because we are probably configuring with a cross compiler |
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| 140 | # which can't create executables. So we include AC_EXEEXT to keep |
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| 141 | # automake happy, but we don't execute it, since we don't care about |
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| 142 | # the result. |
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| 143 | if false; then |
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| 144 | # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands |
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| 145 | # to nothing, so nothing would remain between `then' and `fi' if it |
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| 146 | # were not for the `:' below. |
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| 147 | : |
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| 148 | AC_EXEEXT |
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| 149 | fi |
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| 150 | ]) |
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| 151 | |
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| 152 | |
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| 153 | dnl |
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| 154 | dnl GLIBCPP_EXPORT_INSTALL_INFO |
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| 155 | dnl calculates gxx_install_dir |
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| 156 | dnl exports glibcpp_toolexecdir |
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| 157 | dnl exports glibcpp_toolexeclibdir |
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| 158 | dnl exports glibcpp_prefixdir |
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| 159 | dnl |
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| 160 | dnl Assumes cross_compiling bits already done, and with_cross_host in |
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| 161 | dnl particular |
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| 162 | dnl |
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| 163 | dnl GLIBCPP_EXPORT_INSTALL_INFO |
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| 164 | AC_DEFUN(GLIBCPP_EXPORT_INSTALL_INFO, [ |
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| 165 | # Assumes glibcpp_builddir, glibcpp_srcdir are alreay set up and |
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| 166 | # exported correctly in GLIBCPP_CONFIGURE. |
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| 167 | glibcpp_toolexecdir=no |
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| 168 | glibcpp_toolexeclibdir=no |
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| 169 | glibcpp_prefixdir=${prefix} |
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| 170 | |
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| 171 | AC_MSG_CHECKING([for interface version number]) |
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| 172 | libstdcxx_interface=$INTERFACE |
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| 173 | AC_MSG_RESULT($libstdcxx_interface) |
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| 174 | |
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| 175 | # Process the option "--enable-version-specific-runtime-libs" |
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| 176 | AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) |
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| 177 | AC_ARG_ENABLE(version-specific-runtime-libs, |
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| 178 | [ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ], |
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| 179 | [case "$enableval" in |
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| 180 | yes) version_specific_libs=yes ;; |
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| 181 | no) version_specific_libs=no ;; |
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| 182 | *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);; |
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| 183 | esac], |
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| 184 | version_specific_libs=no)dnl |
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| 185 | # Option set, now we can test it. |
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| 186 | AC_MSG_RESULT($version_specific_libs) |
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| 187 | |
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| 188 | gcc_version_trigger=${srcdir}/../gcc/version.c |
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| 189 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'` |
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| 190 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` |
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| 191 | AC_SUBST(gcc_version) |
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| 192 | AC_SUBST(gcc_version_trigger) |
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| 193 | |
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| 194 | if test $version_specific_libs = yes; then |
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| 195 | # Need the gcc compiler version to know where to install libraries |
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| 196 | # and header files if --enable-version-specific-runtime-libs option |
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| 197 | # is selected. |
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| 198 | changequote(,)dnl |
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| 199 | glibcpp_toolexecdir='$(libdir)/gcc-lib/$(target_alias)' |
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| 200 | glibcpp_toolexeclibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)' |
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| 201 | changequote([,])dnl |
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| 202 | fi |
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| 203 | |
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| 204 | # Calculate glibcpp_toolexecdir, glibcpp_toolexeclibdir |
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| 205 | # Install a library built with a cross compiler in tooldir, not libdir. |
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| 206 | if test x"$glibcpp_toolexecdir" = x"no"; then |
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| 207 | if test -n "$with_cross_host" && |
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| 208 | test x"$with_cross_host" != x"no"; then |
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| 209 | glibcpp_toolexecdir='$(exec_prefix)/$(target_alias)' |
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| 210 | glibcpp_toolexeclibdir='$(toolexecdir)/lib$(MULTISUBDIR)' |
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| 211 | else |
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| 212 | glibcpp_toolexecdir='$(libdir)/gcc-lib/$(target_alias)' |
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| 213 | glibcpp_toolexeclibdir='$(libdir)$(MULTISUBDIR)' |
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| 214 | fi |
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| 215 | fi |
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| 216 | |
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| 217 | AC_SUBST(glibcpp_prefixdir) |
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| 218 | AC_SUBST(glibcpp_toolexecdir) |
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| 219 | AC_SUBST(glibcpp_toolexeclibdir) |
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| 220 | ]) |
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| 221 | |
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[16959] | 222 | sinclude(../libtool.m4) |
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[18473] | 223 | dnl The lines below arrange for aclocal not to bring an installed |
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| 224 | dnl libtool.m4 into aclocal.m4, while still arranging for automake to |
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| 225 | dnl add a definition of LIBTOOL to Makefile.in. |
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| 226 | ifelse(,,,[AC_SUBST(LIBTOOL) |
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| 227 | AC_DEFUN([AM_PROG_LIBTOOL]) |
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| 228 | AC_DEFUN([AC_LIBTOOL_DLOPEN]) |
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| 229 | AC_DEFUN([AC_PROG_LD]) |
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| 230 | ]) |
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