1# Configure paths for LIBART 2# Raph Levien 98-11-18 3# stolen from Manish Singh 98-9-30 4# stolen back from Frank Belew 5# stolen from Manish Singh 6# Shamelessly stolen from Owen Taylor 7 8dnl AM_PATH_LIBART([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) 9dnl Test for LIBART, and define LIBART_CFLAGS and LIBART_LIBS 10dnl 11AC_DEFUN(AM_PATH_LIBART, 12[dnl 13dnl Get the cflags and libraries from the libart-config script 14dnl 15AC_ARG_WITH(libart-prefix,[ --with-libart-prefix=PFX Prefix where LIBART is installed (optional)], 16 libart_prefix="$withval", libart_prefix="") 17AC_ARG_WITH(libart-exec-prefix,[ --with-libart-exec-prefix=PFX Exec prefix where LIBART is installed (optional)], 18 libart_exec_prefix="$withval", libart_exec_prefix="") 19AC_ARG_ENABLE(libarttest, [ --disable-libarttest Do not try to compile and run a test LIBART program], 20 , enable_libarttest=yes) 21 22 if test x$libart_exec_prefix != x ; then 23 libart_args="$libart_args --exec-prefix=$libart_exec_prefix" 24 if test x${LIBART_CONFIG+set} != xset ; then 25 LIBART_CONFIG=$libart_exec_prefix/bin/libart-config 26 fi 27 fi 28 if test x$libart_prefix != x ; then 29 libart_args="$libart_args --prefix=$libart_prefix" 30 if test x${LIBART_CONFIG+set} != xset ; then 31 LIBART_CONFIG=$libart_prefix/bin/libart-config 32 fi 33 fi 34 35 AC_PATH_PROG(LIBART_CONFIG, libart-config, no) 36 min_libart_version=ifelse([$1], ,0.2.5,$1) 37 AC_MSG_CHECKING(for LIBART - version >= $min_libart_version) 38 no_libart="" 39 if test "$LIBART_CONFIG" = "no" ; then 40 no_libart=yes 41 else 42 LIBART_CFLAGS=`$LIBART_CONFIG $libartconf_args --cflags` 43 LIBART_LIBS=`$LIBART_CONFIG $libartconf_args --libs` 44 45 libart_major_version=`$LIBART_CONFIG $libart_args --version | \ 46 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` 47 libart_minor_version=`$LIBART_CONFIG $libart_args --version | \ 48 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` 49 libart_micro_version=`$LIBART_CONFIG $libart_config_args --version | \ 50 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` 51 if test "x$enable_libarttest" = "xyes" ; then 52 ac_save_CFLAGS="$CFLAGS" 53 ac_save_LIBS="$LIBS" 54 CFLAGS="$CFLAGS $LIBART_CFLAGS" 55 LIBS="$LIBS $LIBART_LIBS" 56dnl 57dnl Now check if the installed LIBART is sufficiently new. (Also sanity 58dnl checks the results of libart-config to some extent 59dnl 60 rm -f conf.libarttest 61 AC_TRY_RUN([ 62#include <stdio.h> 63#include <stdlib.h> 64#include <string.h> 65#include <libart_lgpl/libart.h> 66 67char* 68my_strdup (char *str) 69{ 70 char *new_str; 71 72 if (str) 73 { 74 new_str = malloc ((strlen (str) + 1) * sizeof(char)); 75 strcpy (new_str, str); 76 } 77 else 78 new_str = NULL; 79 80 return new_str; 81} 82 83int main () 84{ 85 int major, minor, micro; 86 char *tmp_version; 87 88 system ("touch conf.libarttest"); 89 90 /* HP/UX 9 (%@#!) writes to sscanf strings */ 91 tmp_version = my_strdup("$min_libart_version"); 92 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { 93 printf("%s, bad version string\n", "$min_libart_version"); 94 exit(1); 95 } 96 97 if (($libart_major_version > major) || 98 (($libart_major_version == major) && ($libart_minor_version > minor)) || 99 (($libart_major_version == major) && ($libart_minor_version == minor) && ($libart_micro_version >= micro))) 100 { 101 return 0; 102 } 103 else 104 { 105 printf("\n*** 'libart-config --version' returned %d.%d.%d, but the minimum version\n", $libart_major_version, $libart_minor_version, $libart_micro_version); 106 printf("*** of LIBART required is %d.%d.%d. If libart-config is correct, then it is\n", major, minor, micro); 107 printf("*** best to upgrade to the required version.\n"); 108 printf("*** If libart-config was wrong, set the environment variable LIBART_CONFIG\n"); 109 printf("*** to point to the correct copy of libart-config, and remove the file\n"); 110 printf("*** config.cache before re-running configure\n"); 111 return 1; 112 } 113} 114 115],, no_libart=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) 116 CFLAGS="$ac_save_CFLAGS" 117 LIBS="$ac_save_LIBS" 118 fi 119 fi 120 if test "x$no_libart" = x ; then 121 AC_MSG_RESULT(yes) 122 ifelse([$2], , :, [$2]) 123 else 124 AC_MSG_RESULT(no) 125 if test "$LIBART_CONFIG" = "no" ; then 126 echo "*** The libart-config script installed by LIBART could not be found" 127 echo "*** If LIBART was installed in PREFIX, make sure PREFIX/bin is in" 128 echo "*** your path, or set the LIBART_CONFIG environment variable to the" 129 echo "*** full path to libart-config." 130 else 131 if test -f conf.libarttest ; then 132 : 133 else 134 echo "*** Could not run LIBART test program, checking why..." 135 CFLAGS="$CFLAGS $LIBART_CFLAGS" 136 LIBS="$LIBS $LIBART_LIBS" 137 AC_TRY_LINK([ 138#include <stdio.h> 139#include <libart_lgpl/libart.h> 140], [ return 0; ], 141 [ echo "*** The test program compiled, but did not run. This usually means" 142 echo "*** that the run-time linker is not finding LIBART or finding the wrong" 143 echo "*** version of LIBART. If it is not finding LIBART, you'll need to set your" 144 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" 145 echo "*** to the installed location Also, make sure you have run ldconfig if that" 146 echo "*** is required on your system" 147 echo "***" 148 echo "*** If you have an old version installed, it is best to remove it, although" 149 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], 150 [ echo "*** The test program failed to compile or link. See the file config.log for the" 151 echo "*** exact error that occured. This usually means LIBART was incorrectly installed" 152 echo "*** or that you have moved LIBART since it was installed. In the latter case, you" 153 echo "*** may want to edit the libart-config script: $LIBART_CONFIG" ]) 154 CFLAGS="$ac_save_CFLAGS" 155 LIBS="$ac_save_LIBS" 156 fi 157 fi 158 LIBART_CFLAGS="" 159 LIBART_LIBS="" 160 ifelse([$3], , :, [$3]) 161 fi 162 AC_SUBST(LIBART_CFLAGS) 163 AC_SUBST(LIBART_LIBS) 164 rm -f conf.libarttest 165]) 166