| 1 | ############################################################################## |
| 2 | # |
| 3 | # --- esd.m4 --- |
| 4 | # |
| 5 | # Configure paths for ESD |
| 6 | # Manish Singh 98-9-30 |
| 7 | # stolen back from Frank Belew |
| 8 | # stolen from Manish Singh |
| 9 | # Shamelessly stolen from Owen Taylor |
| 10 | |
| 11 | dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) |
| 12 | dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS |
| 13 | dnl |
| 14 | AC_DEFUN([AM_PATH_ESD], |
| 15 | [dnl |
| 16 | dnl Get the cflags and libraries from the esd-config script |
| 17 | dnl |
| 18 | AC_ARG_WITH(esd-prefix,[ --with-esd-prefix=PFX Prefix where ESD is installed (optional)], |
| 19 | esd_prefix="$withval", esd_prefix="") |
| 20 | AC_ARG_WITH(esd-exec-prefix,[ --with-esd-exec-prefix=PFX Exec prefix where ESD is installed (optional)], |
| 21 | esd_exec_prefix="$withval", esd_exec_prefix="") |
| 22 | AC_ARG_ENABLE(esdtest, [ --disable-esdtest Do not try to compile and run a test ESD program], |
| 23 | , enable_esdtest=yes) |
| 24 | |
| 25 | if test x$esd_exec_prefix != x ; then |
| 26 | esd_args="$esd_args --exec-prefix=$esd_exec_prefix" |
| 27 | if test x${ESD_CONFIG+set} != xset ; then |
| 28 | ESD_CONFIG=$esd_exec_prefix/bin/esd-config |
| 29 | fi |
| 30 | fi |
| 31 | if test x$esd_prefix != x ; then |
| 32 | esd_args="$esd_args --prefix=$esd_prefix" |
| 33 | if test x${ESD_CONFIG+set} != xset ; then |
| 34 | ESD_CONFIG=$esd_prefix/bin/esd-config |
| 35 | fi |
| 36 | fi |
| 37 | |
| 38 | AC_PATH_PROG(ESD_CONFIG, esd-config, no) |
| 39 | min_esd_version=ifelse([$1], ,0.2.7,$1) |
| 40 | AC_MSG_CHECKING(for ESD - version >= $min_esd_version) |
| 41 | no_esd="" |
| 42 | if test "$ESD_CONFIG" = "no" ; then |
| 43 | no_esd=yes |
| 44 | else |
| 45 | ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags` |
| 46 | ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs` |
| 47 | |
| 48 | esd_major_version=`$ESD_CONFIG $esd_args --version | \ |
| 49 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` |
| 50 | esd_minor_version=`$ESD_CONFIG $esd_args --version | \ |
| 51 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` |
| 52 | esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \ |
| 53 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` |
| 54 | if test "x$enable_esdtest" = "xyes" ; then |
| 55 | ac_save_CFLAGS="$CFLAGS" |
| 56 | ac_save_LIBS="$LIBS" |
| 57 | CFLAGS="$CFLAGS $ESD_CFLAGS" |
| 58 | LIBS="$LIBS $ESD_LIBS" |
| 59 | dnl |
| 60 | dnl Now check if the installed ESD is sufficiently new. (Also sanity |
| 61 | dnl checks the results of esd-config to some extent |
| 62 | dnl |
| 63 | rm -f conf.esdtest |
| 64 | AC_TRY_RUN([ |
| 65 | #include <stdio.h> |
| 66 | #include <stdlib.h> |
| 67 | #include <string.h> |
| 68 | #include <esd.h> |
| 69 | |
| 70 | char* |
| 71 | my_strdup (char *str) |
| 72 | { |
| 73 | char *new_str; |
| 74 | |
| 75 | if (str) |
| 76 | { |
| 77 | new_str = malloc ((strlen (str) + 1) * sizeof(char)); |
| 78 | strcpy (new_str, str); |
| 79 | } |
| 80 | else |
| 81 | new_str = NULL; |
| 82 | |
| 83 | return new_str; |
| 84 | } |
| 85 | |
| 86 | int main () |
| 87 | { |
| 88 | int major, minor, micro; |
| 89 | char *tmp_version; |
| 90 | |
| 91 | system ("touch conf.esdtest"); |
| 92 | |
| 93 | /* HP/UX 9 (%@#!) writes to sscanf strings */ |
| 94 | tmp_version = my_strdup("$min_esd_version"); |
| 95 | if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { |
| 96 | printf("%s, bad version string\n", "$min_esd_version"); |
| 97 | exit(1); |
| 98 | } |
| 99 | |
| 100 | if (($esd_major_version > major) || |
| 101 | (($esd_major_version == major) && ($esd_minor_version > minor)) || |
| 102 | (($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro))) |
| 103 | { |
| 104 | return 0; |
| 105 | } |
| 106 | else |
| 107 | { |
| 108 | printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version); |
| 109 | printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro); |
| 110 | printf("*** best to upgrade to the required version.\n"); |
| 111 | printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n"); |
| 112 | printf("*** to point to the correct copy of esd-config, and remove the file\n"); |
| 113 | printf("*** config.cache before re-running configure\n"); |
| 114 | return 1; |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | ],, no_esd=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) |
| 119 | CFLAGS="$ac_save_CFLAGS" |
| 120 | LIBS="$ac_save_LIBS" |
| 121 | fi |
| 122 | fi |
| 123 | if test "x$no_esd" = x ; then |
| 124 | AC_MSG_RESULT(yes) |
| 125 | ifelse([$2], , :, [$2]) |
| 126 | else |
| 127 | AC_MSG_RESULT(no) |
| 128 | if test "$ESD_CONFIG" = "no" ; then |
| 129 | echo "*** The esd-config script installed by ESD could not be found" |
| 130 | echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in" |
| 131 | echo "*** your path, or set the ESD_CONFIG environment variable to the" |
| 132 | echo "*** full path to esd-config." |
| 133 | else |
| 134 | if test -f conf.esdtest ; then |
| 135 | : |
| 136 | else |
| 137 | echo "*** Could not run ESD test program, checking why..." |
| 138 | CFLAGS="$CFLAGS $ESD_CFLAGS" |
| 139 | LIBS="$LIBS $ESD_LIBS" |
| 140 | AC_TRY_LINK([ |
| 141 | #include <stdio.h> |
| 142 | #include <esd.h> |
| 143 | ], [ return 0; ], |
| 144 | [ echo "*** The test program compiled, but did not run. This usually means" |
| 145 | echo "*** that the run-time linker is not finding ESD or finding the wrong" |
| 146 | echo "*** version of ESD. If it is not finding ESD, you'll need to set your" |
| 147 | echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" |
| 148 | echo "*** to the installed location Also, make sure you have run ldconfig if that" |
| 149 | echo "*** is required on your system" |
| 150 | echo "***" |
| 151 | echo "*** If you have an old version installed, it is best to remove it, although" |
| 152 | echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], |
| 153 | [ echo "*** The test program failed to compile or link. See the file config.log for the" |
| 154 | echo "*** exact error that occured. This usually means ESD was incorrectly installed" |
| 155 | echo "*** or that you have moved ESD since it was installed. In the latter case, you" |
| 156 | echo "*** may want to edit the esd-config script: $ESD_CONFIG" ]) |
| 157 | CFLAGS="$ac_save_CFLAGS" |
| 158 | LIBS="$ac_save_LIBS" |
| 159 | fi |
| 160 | fi |
| 161 | ESD_CFLAGS="" |
| 162 | ESD_LIBS="" |
| 163 | ifelse([$3], , :, [$3]) |
| 164 | fi |
| 165 | AC_SUBST(ESD_CFLAGS) |
| 166 | AC_SUBST(ESD_LIBS) |
| 167 | rm -f conf.esdtest |
| 168 | ]) |