1dnl Copyright (c) 2005, Eric Crahen 2dnl 3dnl Permission is hereby granted, free of charge, to any person obtaining a copy 4dnl of this software and associated documentation files (the "Software"), to deal 5dnl in the Software without restriction, including without limitation the rights 6dnl to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7dnl copies of the Software, and to permit persons to whom the Software is furnished 8dnl to do so, subject to the following conditions: 9dnl 10dnl The above copyright notice and this permission notice shall be included in all 11dnl copies or substantial portions of the Software. 12dnl 13dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16dnl AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 17dnl WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 18dnl CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 19 20dnl Detect the library and include paths for ZThreads, perform some test 21dnl compilations. 22dnl 23dnl Should be used in AC_PROG_CC mode before the swtich to C++ if any is made 24dnl (eg before AC_LANG_CPLUSPLUS) 25dnl 26dnl --with-zthread-prefix : Skip detection, use this general path 27dnl --with-zthread-exec-prefix : Skip detecting the zthread-config tool 28dnl 29dnl Sets the following variables. 30dnl 31dnl ZTHREAD_CXXFLAGS 32dnl ZTHREAD_LIBS 33dnl 34AC_DEFUN([AM_PATH_ZTHREAD], 35[ 36 37 38AC_ARG_WITH(zthread-prefix,[ --with-zthread-prefix=PFX Prefix where ZTHREAD is installed (optional)], 39 zthread_prefix="$withval", zthread_prefix="") 40AC_ARG_WITH(zthread-exec-prefix,[ --with-zthread-exec-prefix=PFX Exec prefix where ZTHREAD is installed (optional)], 41 zthread_exec_prefix="$withval", zthread_exec_prefix="") 42AC_ARG_ENABLE(zthreadtest, [ --disable-zthreadtest Do not try to compile and run a test ZTHREAD program], 43 , enable_zthreadtest=yes) 44 45 if test x$zthread_exec_prefix != x ; then 46 zthread_args="$zthread_args --exec-prefix=$zthread_exec_prefix" 47 if test x${ZTHREAD_CONFIG+set} != xset ; then 48 ZTHREAD_CONFIG=$zthread_exec_prefix/bin/zthread-config 49 fi 50 fi 51 if test x$zthread_prefix != x ; then 52 zthread_args="$zthread_args --prefix=$zthread_prefix" 53 if test x${ZTHREAD_CONFIG+set} != xset ; then 54 ZTHREAD_CONFIG=$zthread_prefix/bin/zthread-config 55 fi 56 fi 57 58 AC_PATH_PROG(ZTHREAD_CONFIG, zthread-config, no) 59 min_zthread_version=ifelse([$1], ,0.11.0,$1) 60 AC_MSG_CHECKING(for ZTHREAD - version >= $min_zthread_version) 61 no_zthread="" 62 if test "$ZTHREAD_CONFIG" = "no" ; then 63 no_zthread=yes 64 else 65 ZTHREAD_CXXFLAGS=`$ZTHREAD_CONFIG $zthreadconf_args --cflags` 66 ZTHREAD_LIBS=`$ZTHREAD_CONFIG $zthreadconf_args --libs` 67 68 zthread_major_version=`$ZTHREAD_CONFIG $zthread_args --version | \ 69 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` 70 zthread_minor_version=`$ZTHREAD_CONFIG $zthread_args --version | \ 71 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` 72 zthread_micro_version=`$ZTHREAD_CONFIG $zthread_config_args --version | \ 73 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` 74 if test "x$enable_zthreadtest" = "xyes" ; then 75 ac_save_CXXFLAGS="$CXXFLAGS" 76 ac_save_LIBS="$LIBS" 77 CXXFLAGS="$CXXFLAGS $ZTHREAD_CXXFLAGS" 78 LIBS="$LIBS $ZTHREAD_LIBS" 79 80dnl 81dnl Now check if the installed ZTHREAD is sufficiently new. (Also sanity 82dnl checks the results of zthread-config to some extent 83dnl 84 rm -f conf.zthreadtest 85 AC_TRY_RUN([ 86 87 88#include <stdio.h> 89#include <string.h> 90#include <unistd.h> 91#include "ZThread.h" 92 93int main (int argc, char *argv[]) { 94 95 int major, minor, micro; 96 char tmp_version[256]; 97 98 { FILE *fp = fopen("conf.zthreadtest", "a"); if ( fp ) fclose(fp); } 99 100 101 /* HP/UX 9 (%@#!) writes to sscanf strings */ 102 strcpy(tmp_version, "$min_zthread_version"); 103 104 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { 105 106 printf("%s, bad version string\n", "$min_zthread_version"); 107 return 1; 108 109 } 110 111 if (($zthread_major_version > major) || 112 (($zthread_major_version == major) && ($zthread_minor_version > minor)) || 113 (($zthread_major_version == major) && ($zthread_minor_version == minor) && 114 ($zthread_micro_version >= micro))) { 115 return 0; 116 } else { 117 118 printf("\n*** 'zthread-config --version' returned %d.%d.%d, but the minimum version\n", $zthread_major_version, $zthread_minor_version, $zthread_micro_version); 119 printf("*** of ZThread required is %d.%d.%d. If zthread-config is correct, then it is\n", major, minor, micro); 120 printf("*** best to upgrade to the required version.\n"); 121 printf("*** If zthread-config was wrong, set the environment variable ZTHREAD_CONFIG\n"); 122 printf("*** to point to the correct copy of zthread-config, and remove the file\n"); 123 printf("*** config.cache before re-running configure\n"); 124 125 return 1; 126 } 127 128} 129 130],, no_zthread=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 131 132 CXXFLAGS="$ac_save_CXXFLAGS" 133 LIBS="$ac_save_LIBS" 134 fi 135 fi 136 137 if test "x$no_zthread" = x ; then 138 139 AC_MSG_RESULT(yes) 140 ifelse([$2], , :, [$2]) 141 142 else 143 144 AC_MSG_RESULT(no) 145 146 if test "$ZTHREAD_CONFIG" = "no" ; then 147 148 echo "*** The zthread-config script installed by ZThread could not be found" 149 echo "*** If ZThread was installed in PREFIX, make sure PREFIX/bin is in" 150 echo "*** your path, or set the ZTHREAD_CONFIG environment variable to the" 151 echo "*** full path to zthread-config." 152 153 else 154 if test -f conf.zthreadtest ; then 155 : 156 else 157 158 echo "*** Could not run ZThread test program, checking why..." 159 CXXFLAGS="$CXXFLAGS $ZTHREAD_CXXFLAGS" 160 LIBS="$LIBS $ZTHREAD_LIBS" 161 162 echo $LIBS; 163 164 AC_TRY_LINK([#include "ZThread.h"], 165 [ return 0; ], [ 166 echo "*** The test program compiled, but did not run. This usually means" 167 echo "*** that the run-time linker is not finding ZThread or finding the wrong" 168 echo "*** version of ZThread. If it is not finding ZThread, you'll need to set your" 169 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 170 echo "*** to the installed location Also, make sure you have run ldconfig if that" 171 echo "*** is required on your system" 172 echo "***" 173 echo "*** If you have an old version installed, it is best to remove it, although" 174 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 175 [ echo "*** The test program failed to compile or link. See the file config.log for the" 176 echo "*** exact error that occured. This usually means ZThread was incorrectly installed" 177 echo "*** or that you have moved ZThread since it was installed. In the latter case, you" 178 echo "*** may want to edit the zthread-config script: $ZTHREAD_CONFIG" ]) 179 CXXFLAGS="$ac_save_CXXFLAGS" 180 LIBS="$ac_save_LIBS" 181 fi 182 fi 183 184 ZTHREAD_CXXFLAGS="" 185 ZTHREAD_LIBS="" 186 ifelse([$3], , :, [$3]) 187 188 fi 189 190 AC_SUBST(ZTHREAD_CXXFLAGS) 191 AC_SUBST(ZTHREAD_LIBS) 192 193 rm -f conf.zthreadtest 194 195]) 196