projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 5212e868 NN |
1 | # Autoconf M4 include file defining utility macros for complex Canadian |
| 2 | # cross builds. | |
| 3 | ||
| 4 | #### | |
| 5 | # _NCN_TOOL_PREFIXES: Some stuff that oughtta be done in AC_CANONICAL_SYSTEM | |
| 6 | # or AC_INIT. | |
| 7 | # These demand that AC_CANONICAL_SYSTEM be called beforehand. | |
| 8 | AC_DEFUN([_NCN_TOOL_PREFIXES], | |
| 9 | [ncn_tool_prefix= | |
| 10 | test -n "$host_alias" && ncn_tool_prefix=$host_alias- | |
| 11 | ncn_target_tool_prefix= | |
| 12 | test -n "$target_alias" && ncn_target_tool_prefix=$target_alias- | |
| 13 | ]) []dnl # _NCN_TOOL_PREFIXES | |
| 14 | ||
| 15 | #### | |
| 16 | # NCN_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path]) | |
| 17 | # Like AC_CHECK_TOOL, but tries a prefix of the target, not the host. | |
| 18 | # Code is pretty much lifted from autoconf2.53. | |
| 19 | ||
| 20 | AC_DEFUN([NCN_CHECK_TARGET_TOOL], | |
| 21 | [AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl | |
| 22 | if test -n "$ncn_target_tool_prefix"; then | |
| 23 | AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2], | |
| 24 | [${ncn_target_tool_prefix}$2], , [$4]) | |
| 25 | fi | |
| 26 | if test -z "$ac_cv_prog_$1" ; then | |
| 66e7a4d5 AO |
27 | ncn_cv_$1=$$1 |
| 28 | AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [$3], [$4]) | |
| 29 | $1=$ncn_cv_$1 | |
| 5212e868 NN |
30 | else |
| 31 | $1="$ac_cv_prog_$1" | |
| 32 | fi | |
| 33 | ]) []dnl # NCN_CHECK_TARGET_TOOL | |
| 34 | ||
| 35 | ||
| 36 | #### | |
| 37 | # NCN_STRICT_CHECK_TOOL(variable, prog-to-check-for,[value-if-not-found],[path]) | |
| 38 | # Like AC_CHECK_TOOL, but requires the prefix if build!=host. | |
| 39 | ||
| 40 | AC_DEFUN([NCN_STRICT_CHECK_TOOL], | |
| 41 | [AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl | |
| 42 | if test -n "$ncn_tool_prefix"; then | |
| 43 | AC_CHECK_PROG([$1], [${ncn_tool_prefix}$2], | |
| 44 | [${ncn_tool_prefix}$2], , [$4]) | |
| 45 | fi | |
| 46 | if test -z "$ac_cv_prog_$1" ; then | |
| 47 | if test $build = $host ; then | |
| 66e7a4d5 AO |
48 | ncn_cv_$1=$$1 |
| 49 | AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [ifelse([$3],[],[$2],[$3])], [$4]) | |
| 50 | $1=$ncn_cv_$1 | |
| 5212e868 | 51 | else |
| 66e7a4d5 | 52 | $1="ifelse([$3],[],[${ncn_tool_prefix}$2],[$3])" |
| 5212e868 NN |
53 | fi |
| 54 | else | |
| 55 | $1="$ac_cv_prog_$1" | |
| 56 | fi | |
| 57 | ]) []dnl # NCN_STRICT_CHECK_TOOL | |
| 58 | ||
| 59 | ||
| 60 | #### | |
| 61 | # NCN_STRICT_CHECK_TARGET_TOOL(variable, prog-to-check-for,[value-if-not-found],[path]) | |
| 62 | # Like NCN_CHECK_TARGET_TOOL, but requires the prefix if build!=target. | |
| 63 | ||
| 64 | AC_DEFUN([NCN_STRICT_CHECK_TARGET_TOOL], | |
| 65 | [AC_REQUIRE([_NCN_TOOL_PREFIXES]) []dnl | |
| 66 | if test -n "$ncn_target_tool_prefix"; then | |
| 67 | AC_CHECK_PROG([$1], [${ncn_target_tool_prefix}$2], | |
| 68 | [${ncn_target_tool_prefix}$2], , [$4]) | |
| 69 | fi | |
| 70 | if test -z "$ac_cv_prog_$1" ; then | |
| 71 | if test $build = $target ; then | |
| 66e7a4d5 AO |
72 | ncn_cv_$1=$$1 |
| 73 | AC_CHECK_PROG([ncn_cv_$1], [$2], [$2], [ifelse([$3],[],[$2],[$3])], [$4]) | |
| 74 | $1=$ncn_cv_$1 | |
| 5212e868 | 75 | else |
| 66e7a4d5 | 76 | $1="ifelse([$3],[],[${ncn_target_tool_prefix}$2],[$3])" |
| 5212e868 NN |
77 | fi |
| 78 | else | |
| 79 | $1="$ac_cv_prog_$1" | |
| 80 | fi | |
| 81 | ]) []dnl # NCN_STRICT_CHECK_TARGET_TOOL |