nexmon – Blame information for rev 1
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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | office | 1 | dnl Copyright (C) 1993-2003 Free Software Foundation, Inc. |
| 2 | dnl This file is free software, distributed under the terms of the GNU |
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| 3 | dnl General Public License. As a special exception to the GNU General |
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| 4 | dnl Public License, this file may be distributed as part of a program |
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| 5 | dnl that contains a configuration script generated by Autoconf, under |
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| 6 | dnl the same distribution terms as the rest of that program. |
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| 7 | |||
| 8 | dnl From Bruno Haible, Marcus Daniels, Sam Steingold. |
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| 9 | |||
| 10 | AC_PREREQ(2.13) |
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| 11 | |||
| 12 | dnl without AC_MSG_...: with AC_MSG_... and caching: |
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| 13 | dnl AC_TRY_CPP CL_CPP_CHECK |
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| 14 | dnl AC_TRY_COMPILE CL_COMPILE_CHECK |
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| 15 | dnl AC_TRY_LINK CL_LINK_CHECK |
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| 16 | dnl AC_TRY_RUN CL_RUN_CHECK - would require cross-compiling support |
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| 17 | dnl Usage: |
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| 18 | dnl AC_TRY_CPP(INCLUDES, |
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| 19 | dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) |
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| 20 | dnl CL_CPP_CHECK(ECHO-TEXT, CACHE-ID, |
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| 21 | dnl INCLUDES, |
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| 22 | dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) |
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| 23 | dnl AC_TRY_xxx(INCLUDES, FUNCTION-BODY, |
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| 24 | dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) |
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| 25 | dnl CL_xxx_CHECK(ECHO-TEXT, CACHE-ID, |
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| 26 | dnl INCLUDES, FUNCTION-BODY, |
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| 27 | dnl ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]) |
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| 28 | |||
| 29 | AC_DEFUN([CL_CPP_CHECK], |
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| 30 | [AC_MSG_CHECKING(for $1) |
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| 31 | AC_CACHE_VAL($2,[ |
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| 32 | AC_TRY_CPP([$3], $2=yes, $2=no) |
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| 33 | ]) |
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| 34 | AC_MSG_RESULT([$]$2) |
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| 35 | if test [$]$2 = yes; then |
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| 36 | ifelse([$4], , :, [$4]) |
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| 37 | ifelse([$5], , , [else |
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| 38 | $5 |
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| 39 | ])dnl |
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| 40 | fi |
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| 41 | ]) |
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| 42 | |||
| 43 | AC_DEFUN([CL_COMPILE_CHECK], |
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| 44 | [AC_MSG_CHECKING(for $1) |
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| 45 | AC_CACHE_VAL($2,[ |
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| 46 | AC_TRY_COMPILE([$3],[$4], $2=yes, $2=no) |
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| 47 | ]) |
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| 48 | AC_MSG_RESULT([$]$2) |
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| 49 | if test [$]$2 = yes; then |
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| 50 | ifelse([$5], , :, [$5]) |
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| 51 | ifelse([$6], , , [else |
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| 52 | $6 |
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| 53 | ])dnl |
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| 54 | fi |
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| 55 | ]) |
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| 56 | |||
| 57 | AC_DEFUN([CL_LINK_CHECK], |
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| 58 | [AC_MSG_CHECKING(for $1) |
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| 59 | AC_CACHE_VAL($2,[ |
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| 60 | AC_TRY_LINK([$3],[$4], $2=yes, $2=no) |
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| 61 | ]) |
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| 62 | AC_MSG_RESULT([$]$2) |
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| 63 | if test [$]$2 = yes; then |
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| 64 | ifelse([$5], , :, [$5]) |
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| 65 | ifelse([$6], , , [else |
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| 66 | $6 |
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| 67 | ])dnl |
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| 68 | fi |
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| 69 | ]) |
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| 70 | |||
| 71 | dnl CL_SILENT(ACTION) |
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| 72 | dnl performs ACTION, with AC_MSG_CHECKING and AC_MSG_RESULT being defined away. |
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| 73 | AC_DEFUN([CL_SILENT], |
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| 74 | [pushdef([AC_MSG_CHECKING],[:])dnl |
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| 75 | pushdef([AC_CHECKING],[:])dnl |
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| 76 | pushdef([AC_MSG_RESULT],[:])dnl |
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| 77 | $1[]dnl |
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| 78 | popdef([AC_MSG_RESULT])dnl |
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| 79 | popdef([AC_CHECKING])dnl |
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| 80 | popdef([AC_MSG_CHECKING])dnl |
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| 81 | ]) |
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| 82 | |||
| 83 | dnl Expands to the "extern ..." prefix used for system declarations. |
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| 84 | dnl AC_LANG_EXTERN() |
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| 85 | AC_DEFUN([AC_LANG_EXTERN], |
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| 86 | [extern |
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| 87 | #ifdef __cplusplus |
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| 88 | "C" |
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| 89 | #endif |
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| 90 | ]) |
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| 91 | |||
| 92 | AC_DEFUN([CL_CC_WORKS], |
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| 93 | [AC_CACHE_CHECK(whether CC works at all, cl_cv_prog_cc_works, [ |
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| 94 | AC_LANG_SAVE() |
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| 95 | AC_LANG_C() |
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| 96 | AC_TRY_RUN([int main() { exit(0); }], |
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| 97 | cl_cv_prog_cc_works=yes, cl_cv_prog_cc_works=no, |
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| 98 | AC_TRY_LINK([], [], cl_cv_prog_cc_works=yes, cl_cv_prog_cc_works=no)) |
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| 99 | AC_LANG_RESTORE() |
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| 100 | ]) |
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| 101 | case "$cl_cv_prog_cc_works" in |
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| 102 | *no) echo "Installation or configuration problem: C compiler cannot create executables."; exit 1;; |
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| 103 | *yes) ;; |
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| 104 | esac |
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| 105 | ]) |