projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| 8c44d3ec AD |
1 | # Search path for a program which passes the given test. |
| 2 | # Ulrich Drepper <drepper@cygnus.com>, 1996. | |
| 3 | # | |
| 4 | # This file can be copied and used freely without restrictions. It can | |
| 5 | # be used in projects which are not available under the GNU Public License | |
| 6 | # but which still want to provide support for the GNU gettext functionality. | |
| 7 | # Please note that the actual code is *not* freely available. | |
| 8 | ||
| 9 | # serial 1 | |
| 10 | ||
| 11 | dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, | |
| 12 | dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) | |
| 13 | AC_DEFUN(AM_PATH_PROG_WITH_TEST, | |
| 14 | [# Extract the first word of "$2", so it can be a program name with args. | |
| 15 | set dummy $2; ac_word=[$]2 | |
| 16 | AC_MSG_CHECKING([for $ac_word]) | |
| 17 | AC_CACHE_VAL(ac_cv_path_$1, | |
| 18 | [case "[$]$1" in | |
| 19 | /*) | |
| 20 | ac_cv_path_$1="[$]$1" # Let the user override the test with a path. | |
| 21 | ;; | |
| 22 | *) | |
| 23 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" | |
| 24 | for ac_dir in ifelse([$5], , $PATH, [$5]); do | |
| 25 | test -z "$ac_dir" && ac_dir=. | |
| 26 | if test -f $ac_dir/$ac_word; then | |
| 27 | if [$3]; then | |
| 28 | ac_cv_path_$1="$ac_dir/$ac_word" | |
| 29 | break | |
| 30 | fi | |
| 31 | fi | |
| 32 | done | |
| 33 | IFS="$ac_save_ifs" | |
| 34 | dnl If no 4th arg is given, leave the cache variable unset, | |
| 35 | dnl so AC_PATH_PROGS will keep looking. | |
| 36 | ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4" | |
| 37 | ])dnl | |
| 38 | ;; | |
| 39 | esac])dnl | |
| 40 | $1="$ac_cv_path_$1" | |
| 41 | if test -n "[$]$1"; then | |
| 42 | AC_MSG_RESULT([$]$1) | |
| 43 | else | |
| 44 | AC_MSG_RESULT(no) | |
| 45 | fi | |
| 46 | AC_SUBST($1)dnl | |
| 47 | ]) |