| 1 | dnl -------------------------------------------------------- -*- autoconf -*- |
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| 2 | dnl Copyright 2000-2005 The Apache Software Foundation |
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| 3 | dnl |
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| 4 | dnl Licensed under the Apache License, Version 2.0 (the "License"); |
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| 5 | dnl you may not use this file except in compliance with the License. |
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| 6 | dnl You may obtain a copy of the License at |
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| 7 | dnl |
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| 8 | dnl http://www.apache.org/licenses/LICENSE-2.0 |
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| 9 | dnl |
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| 10 | dnl Unless required by applicable law or agreed to in writing, software |
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| 11 | dnl distributed under the License is distributed on an "AS IS" BASIS, |
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| 12 | dnl WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 13 | dnl See the License for the specific language governing permissions and |
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| 14 | dnl limitations under the License. |
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| 15 | |
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| 16 | dnl |
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| 17 | dnl find_apr.m4 : locate the APR include files and libraries |
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| 18 | dnl |
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| 19 | dnl This macro file can be used by applications to find and use the APR |
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| 20 | dnl library. It provides a standardized mechanism for using APR. It supports |
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| 21 | dnl embedding APR into the application source, or locating an installed |
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| 22 | dnl copy of APR. |
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| 23 | dnl |
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| 24 | dnl APR_FIND_APR(srcdir, builddir, implicit-install-check, acceptable-majors) |
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| 25 | dnl |
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| 26 | dnl where srcdir is the location of the bundled APR source directory, or |
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| 27 | dnl empty if source is not bundled. |
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| 28 | dnl |
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| 29 | dnl where builddir is the location where the bundled APR will will be built, |
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| 30 | dnl or empty if the build will occur in the srcdir. |
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| 31 | dnl |
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| 32 | dnl where implicit-install-check set to 1 indicates if there is no |
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| 33 | dnl --with-apr option specified, we will look for installed copies. |
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| 34 | dnl |
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| 35 | dnl where acceptable-majors is a space separated list of acceptable major |
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| 36 | dnl version numbers. Often only a single major version will be acceptable. |
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| 37 | dnl If multiple versions are specified, and --with-apr=PREFIX or the |
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| 38 | dnl implicit installed search are used, then the first (leftmost) version |
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| 39 | dnl in the list that is found will be used. Currently defaults to [0 1]. |
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| 40 | dnl |
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| 41 | dnl Sets the following variables on exit: |
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| 42 | dnl |
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| 43 | dnl apr_found : "yes", "no", "reconfig" |
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| 44 | dnl |
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| 45 | dnl apr_config : If the apr-config tool exists, this refers to it. If |
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| 46 | dnl apr_found is "reconfig", then the bundled directory |
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| 47 | dnl should be reconfigured *before* using apr_config. |
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| 48 | dnl |
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| 49 | dnl Note: this macro file assumes that apr-config has been installed; it |
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| 50 | dnl is normally considered a required part of an APR installation. |
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| 51 | dnl |
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| 52 | dnl If a bundled source directory is available and needs to be (re)configured, |
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| 53 | dnl then apr_found is set to "reconfig". The caller should reconfigure the |
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| 54 | dnl (passed-in) source directory, placing the result in the build directory, |
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| 55 | dnl as appropriate. |
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| 56 | dnl |
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| 57 | dnl If apr_found is "yes" or "reconfig", then the caller should use the |
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| 58 | dnl value of apr_config to fetch any necessary build/link information. |
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| 59 | dnl |
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| 60 | |
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| 61 | AC_DEFUN([APR_FIND_APR], [ |
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| 62 | apr_found="no" |
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| 63 | |
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| 64 | if test "$ac_cv_emxos2" = "yes"; then |
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| 65 | # Scripts don't pass test -x on OS/2 |
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| 66 | TEST_X="test -f" |
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| 67 | else |
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| 68 | TEST_X="test -x" |
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| 69 | fi |
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| 70 | |
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| 71 | ifelse([$4], [], [ |
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| 72 | ifdef(AC_WARNING,AC_WARNING([$0: missing argument 4 (acceptable-majors): Defaulting to APR 0.x then APR 1.x])) |
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| 73 | acceptable_majors="0 1"], |
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| 74 | [acceptable_majors="$4"]) |
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| 75 | |
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| 76 | apr_temp_acceptable_apr_config="" |
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| 77 | for apr_temp_major in $acceptable_majors |
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| 78 | do |
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| 79 | case $apr_temp_major in |
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| 80 | 0) |
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| 81 | apr_temp_acceptable_apr_config="$apr_temp_acceptable_apr_config apr-config" |
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| 82 | ;; |
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| 83 | *) |
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| 84 | apr_temp_acceptable_apr_config="$apr_temp_acceptable_apr_config apr-$apr_temp_major-config" |
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| 85 | ;; |
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| 86 | esac |
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| 87 | done |
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| 88 | |
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| 89 | AC_MSG_CHECKING(for APR) |
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| 90 | AC_ARG_WITH(apr, |
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| 91 | [ --with-apr=PATH prefix for installed APR, path to APR build tree, |
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| 92 | or the full path to apr-config], |
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| 93 | [ |
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| 94 | if test "$withval" = "no" || test "$withval" = "yes"; then |
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| 95 | AC_MSG_ERROR([--with-apr requires a directory or file to be provided]) |
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| 96 | fi |
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| 97 | |
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| 98 | for apr_temp_apr_config_file in $apr_temp_acceptable_apr_config |
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| 99 | do |
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| 100 | for lookdir in "$withval/bin" "$withval" |
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| 101 | do |
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| 102 | if $TEST_X "$lookdir/$apr_temp_apr_config_file"; then |
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| 103 | apr_found="yes" |
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| 104 | apr_config="$lookdir/$apr_temp_apr_config_file" |
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| 105 | break 2 |
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| 106 | fi |
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| 107 | done |
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| 108 | done |
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| 109 | |
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| 110 | if test "$apr_found" != "yes" && $TEST_X "$withval" && $withval --help > /dev/null 2>&1 ; then |
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| 111 | apr_found="yes" |
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| 112 | apr_config="$withval" |
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| 113 | fi |
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| 114 | |
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| 115 | dnl if --with-apr is used, it is a fatal error for its argument |
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| 116 | dnl to be invalid |
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| 117 | if test "$apr_found" != "yes"; then |
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| 118 | AC_MSG_ERROR([the --with-apr parameter is incorrect. It must specify an install prefix, a build directory, or an apr-config file.]) |
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| 119 | fi |
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| 120 | ],[ |
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| 121 | dnl If we allow installed copies, check those before using bundled copy. |
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| 122 | if test -n "$3" && test "$3" = "1"; then |
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| 123 | for apr_temp_apr_config_file in $apr_temp_acceptable_apr_config |
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| 124 | do |
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| 125 | if $apr_temp_apr_config_file --help > /dev/null 2>&1 ; then |
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| 126 | apr_found="yes" |
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| 127 | apr_config="$apr_temp_apr_config_file" |
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| 128 | break |
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| 129 | else |
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| 130 | dnl look in some standard places |
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| 131 | for lookdir in /usr /usr/local /usr/local/apr /opt/apr /usr/local/apache2; do |
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| 132 | if $TEST_X "$lookdir/bin/$apr_temp_apr_config_file"; then |
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| 133 | apr_found="yes" |
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| 134 | apr_config="$lookdir/bin/$apr_temp_apr_config_file" |
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| 135 | break 2 |
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| 136 | fi |
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| 137 | done |
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| 138 | fi |
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| 139 | done |
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| 140 | fi |
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| 141 | dnl if we have not found anything yet and have bundled source, use that |
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| 142 | if test "$apr_found" = "no" && test -d "$1"; then |
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| 143 | apr_temp_abs_srcdir="`cd $1 && pwd`" |
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| 144 | apr_found="reconfig" |
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| 145 | apr_bundled_major="`sed -n '/#define.*APR_MAJOR_VERSION/s/^[^0-9]*\([0-9]*\).*$/\1/p' \"$1/include/apr_version.h\"`" |
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| 146 | case $apr_bundled_major in |
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| 147 | "") |
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| 148 | AC_MSG_ERROR([failed to find major version of bundled APR]) |
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| 149 | ;; |
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| 150 | 0) |
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| 151 | apr_temp_apr_config_file="apr-config" |
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| 152 | ;; |
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| 153 | *) |
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| 154 | apr_temp_apr_config_file="apr-$apr_bundled_major-config" |
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| 155 | ;; |
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| 156 | esac |
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| 157 | if test -n "$2"; then |
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| 158 | apr_config="$2/$apr_temp_apr_config_file" |
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| 159 | else |
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| 160 | apr_config="$1/$apr_temp_apr_config_file" |
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| 161 | fi |
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| 162 | fi |
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| 163 | ]) |
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| 164 | |
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| 165 | AC_MSG_RESULT($apr_found) |
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| 166 | ]) |
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