annotate m4/lib-prefix.m4 @ 235:9d6bb722d0fe

update version numbers
author Carl Byington <carl@five-ten-sg.com>
date Fri, 11 Sep 2009 12:59:24 -0700
parents 0b1766da9be8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
153
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Carl Byington <carl@five-ten-sg.com>
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1 # lib-prefix.m4 serial 6 (gettext-0.18)
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Carl Byington <carl@five-ten-sg.com>
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2 dnl Copyright (C) 2001-2005, 2008 Free Software Foundation, Inc.
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3 dnl This file is free software; the Free Software Foundation
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4 dnl gives unlimited permission to copy and/or distribute it,
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5 dnl with or without modifications, as long as this notice is preserved.
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6
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Carl Byington <carl@five-ten-sg.com>
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7 dnl From Bruno Haible.
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8
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9 dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and
0b1766da9be8 use AM_ICONV for better portability of the library location.
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10 dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't
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11 dnl require excessive bracketing.
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12 ifdef([AC_HELP_STRING],
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13 [AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])],
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14 [AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])])
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15
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16 dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed
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17 dnl to access previously installed libraries. The basic assumption is that
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18 dnl a user will want packages to use other packages he previously installed
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19 dnl with the same --prefix option.
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20 dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate
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21 dnl libraries, but is otherwise very convenient.
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22 AC_DEFUN([AC_LIB_PREFIX],
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23 [
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24 AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
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25 AC_REQUIRE([AC_PROG_CC])
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26 AC_REQUIRE([AC_CANONICAL_HOST])
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27 AC_REQUIRE([AC_LIB_PREPARE_MULTILIB])
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28 AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
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29 dnl By default, look in $includedir and $libdir.
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30 use_additional=yes
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31 AC_LIB_WITH_FINAL_PREFIX([
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32 eval additional_includedir=\"$includedir\"
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33 eval additional_libdir=\"$libdir\"
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34 ])
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35 AC_LIB_ARG_WITH([lib-prefix],
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36 [ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
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37 --without-lib-prefix don't search for libraries in includedir and libdir],
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38 [
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39 if test "X$withval" = "Xno"; then
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40 use_additional=no
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41 else
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42 if test "X$withval" = "X"; then
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43 AC_LIB_WITH_FINAL_PREFIX([
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44 eval additional_includedir=\"$includedir\"
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45 eval additional_libdir=\"$libdir\"
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46 ])
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47 else
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48 additional_includedir="$withval/include"
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49 additional_libdir="$withval/$acl_libdirstem"
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50 fi
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51 fi
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52 ])
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53 if test $use_additional = yes; then
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54 dnl Potentially add $additional_includedir to $CPPFLAGS.
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55 dnl But don't add it
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56 dnl 1. if it's the standard /usr/include,
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57 dnl 2. if it's already present in $CPPFLAGS,
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58 dnl 3. if it's /usr/local/include and we are using GCC on Linux,
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59 dnl 4. if it doesn't exist as a directory.
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60 if test "X$additional_includedir" != "X/usr/include"; then
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61 haveit=
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62 for x in $CPPFLAGS; do
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63 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
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64 if test "X$x" = "X-I$additional_includedir"; then
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65 haveit=yes
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66 break
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67 fi
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68 done
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69 if test -z "$haveit"; then
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70 if test "X$additional_includedir" = "X/usr/local/include"; then
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71 if test -n "$GCC"; then
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72 case $host_os in
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73 linux* | gnu* | k*bsd*-gnu) haveit=yes;;
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74 esac
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75 fi
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76 fi
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77 if test -z "$haveit"; then
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78 if test -d "$additional_includedir"; then
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79 dnl Really add $additional_includedir to $CPPFLAGS.
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80 CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
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81 fi
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82 fi
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83 fi
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84 fi
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85 dnl Potentially add $additional_libdir to $LDFLAGS.
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86 dnl But don't add it
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87 dnl 1. if it's the standard /usr/lib,
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88 dnl 2. if it's already present in $LDFLAGS,
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89 dnl 3. if it's /usr/local/lib and we are using GCC on Linux,
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90 dnl 4. if it doesn't exist as a directory.
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91 if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then
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92 haveit=
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93 for x in $LDFLAGS; do
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94 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
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95 if test "X$x" = "X-L$additional_libdir"; then
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96 haveit=yes
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97 break
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98 fi
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99 done
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100 if test -z "$haveit"; then
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101 if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then
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102 if test -n "$GCC"; then
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103 case $host_os in
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104 linux*) haveit=yes;;
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105 esac
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106 fi
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107 fi
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108 if test -z "$haveit"; then
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109 if test -d "$additional_libdir"; then
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110 dnl Really add $additional_libdir to $LDFLAGS.
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111 LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
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112 fi
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113 fi
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114 fi
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115 fi
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116 fi
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Carl Byington <carl@five-ten-sg.com>
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117 ])
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Carl Byington <carl@five-ten-sg.com>
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118
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119 dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix,
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120 dnl acl_final_exec_prefix, containing the values to which $prefix and
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121 dnl $exec_prefix will expand at the end of the configure script.
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122 AC_DEFUN([AC_LIB_PREPARE_PREFIX],
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123 [
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124 dnl Unfortunately, prefix and exec_prefix get only finally determined
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125 dnl at the end of configure.
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parents:
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126 if test "X$prefix" = "XNONE"; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
127 acl_final_prefix="$ac_default_prefix"
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
128 else
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
129 acl_final_prefix="$prefix"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
130 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
131 if test "X$exec_prefix" = "XNONE"; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
132 acl_final_exec_prefix='${prefix}'
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
133 else
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
134 acl_final_exec_prefix="$exec_prefix"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
135 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
136 acl_save_prefix="$prefix"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
137 prefix="$acl_final_prefix"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
138 eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
139 prefix="$acl_save_prefix"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
140 ])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
141
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
142 dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
143 dnl variables prefix and exec_prefix bound to the values they will have
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
144 dnl at the end of the configure script.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
145 AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
146 [
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
147 acl_save_prefix="$prefix"
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
148 prefix="$acl_final_prefix"
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
149 acl_save_exec_prefix="$exec_prefix"
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
150 exec_prefix="$acl_final_exec_prefix"
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
151 $1
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
152 exec_prefix="$acl_save_exec_prefix"
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
153 prefix="$acl_save_prefix"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
154 ])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
155
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
156 dnl AC_LIB_PREPARE_MULTILIB creates
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
157 dnl - a variable acl_libdirstem, containing the basename of the libdir, either
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
158 dnl "lib" or "lib64" or "lib/64",
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
159 dnl - a variable acl_libdirstem2, as a secondary possible value for
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
160 dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
161 dnl "lib/amd64".
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
162 AC_DEFUN([AC_LIB_PREPARE_MULTILIB],
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
163 [
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
164 dnl There is no formal standard regarding lib and lib64.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
165 dnl On glibc systems, the current practice is that on a system supporting
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
166 dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
167 dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
168 dnl the compiler's default mode by looking at the compiler's library search
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
169 dnl path. If at least one of its elements ends in /lib64 or points to a
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
170 dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
171 dnl Otherwise we use the default, namely "lib".
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
172 dnl On Solaris systems, the current practice is that on a system supporting
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
173 dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
174 dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
175 dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
176 AC_REQUIRE([AC_CANONICAL_HOST])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
177 acl_libdirstem=lib
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
178 acl_libdirstem2=
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
179 case "$host_os" in
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
180 solaris*)
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
181 dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
182 dnl <http://docs.sun.com/app/docs/doc/816-5138/dev-env?l=en&a=view>.
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Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
183 dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link."
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
184 dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
185 dnl symlink is missing, so we set acl_libdirstem2 too.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
186 AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit],
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
187 [AC_EGREP_CPP([sixtyfour bits], [
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
188 #ifdef _LP64
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
189 sixtyfour bits
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
190 #endif
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
191 ], [gl_cv_solaris_64bit=yes], [gl_cv_solaris_64bit=no])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
192 ])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
193 if test $gl_cv_solaris_64bit = yes; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
194 acl_libdirstem=lib/64
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
195 case "$host_cpu" in
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
196 sparc*) acl_libdirstem2=lib/sparcv9 ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
197 i*86 | x86_64) acl_libdirstem2=lib/amd64 ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
198 esac
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
199 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
200 ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
201 *)
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
202 searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'`
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
203 if test -n "$searchpath"; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
204 acl_save_IFS="${IFS= }"; IFS=":"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
205 for searchdir in $searchpath; do
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
206 if test -d "$searchdir"; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
207 case "$searchdir" in
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
208 */lib64/ | */lib64 ) acl_libdirstem=lib64 ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
209 *) searchdir=`cd "$searchdir" && pwd`
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
210 case "$searchdir" in
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
211 */lib64 ) acl_libdirstem=lib64 ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
212 esac ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
213 esac
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
214 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
215 done
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
216 IFS="$acl_save_IFS"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
217 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
218 ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
219 esac
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
220 test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
221 ])