https://perl5.git.perl.org / metaconfig.git / blame
| Commit | Line | Data |
|---|---|---|
| 2900aecf JH |
1 | ?RCS: $Id$ |
| 2 | ?RCS: | |
| 3 | ?RCS: Copyright (c) 2001, Jarkko Hietaniemi | |
| 65a32477 MBT |
4 | ?RCS: |
| 5 | ?RCS: You may redistribute only under the terms of the Artistic License, | |
| 2900aecf JH |
6 | ?RCS: as specified in the README file that comes with the distribution. |
| 7 | ?RCS: You may reuse parts of this distribution only within the terms of | |
| 65a32477 | 8 | ?RCS: that same Artistic License; a copy of which may be found at the root |
| 2900aecf JH |
9 | ?RCS: of the source tree for dist 3.0. |
| 10 | ?RCS: | |
| 11 | ?RCS: | |
| 1273bb5e | 12 | ?MAKE:d_dirfd: Compile cat rm Setvar i_dirent i_sysdir i_sysndir i_systypes i_stdlib |
| 2900aecf JH |
13 | ?MAKE: -pick add $@ %< |
| 14 | ?S:d_dirfd: | |
| 15 | ?S: This variable conditionally defines the HAS_DIRFD constant, | |
| 16 | ?S: which indicates to the C program that dirfd() is available | |
| 17 | ?S: to return the file descriptor of a directory stream. | |
| 18 | ?S:. | |
| 19 | ?C:HAS_DIRFD: | |
| 20 | ?C: This manifest constant lets the C program know that dirfd | |
| 21 | ?C: is available. | |
| 22 | ?C:. | |
| 23 | ?H:#$d_dirfd HAS_DIRFD /**/ | |
| 24 | ?H:. | |
| 25 | ?LINT:set d_dirfd | |
| 26 | ?X: Can't use Inlibc because dirfd() might be a macro. | |
| 27 | : Look for dirfd | |
| 28 | echo " " | |
| 29 | $cat >dirfd.c <<EOM | |
| 30 | #include <stdio.h> | |
| 1273bb5e JH |
31 | #$i_stdlib I_STDLIB |
| 32 | #ifdef I_STDLIB | |
| 33 | #include <stdlib.h> | |
| 34 | #endif | |
| 2900aecf JH |
35 | #$i_dirent I_DIRENT /**/ |
| 36 | #$i_sysdir I_SYS_DIR /**/ | |
| 37 | #$i_sysndir I_SYS_NDIR /**/ | |
| 38 | #$i_systypes I_SYS_TYPES /**/ | |
| 39 | #if defined(I_SYS_TYPES) | |
| 40 | #include <sys/types.h> | |
| 41 | #endif | |
| 42 | #if defined(I_DIRENT) | |
| 43 | #include <dirent.h> | |
| 2900aecf JH |
44 | #else |
| 45 | #ifdef I_SYS_NDIR | |
| 46 | #include <sys/ndir.h> | |
| 47 | #else | |
| 48 | #ifdef I_SYS_DIR | |
| 49 | #ifdef hp9000s500 | |
| 50 | #include <ndir.h> /* may be wrong in the future */ | |
| 51 | #else | |
| 52 | #include <sys/dir.h> | |
| 53 | #endif | |
| 54 | #endif | |
| 55 | #endif | |
| 65a32477 | 56 | #endif |
| 2900aecf JH |
57 | int main() { |
| 58 | DIR *dirp = opendir("."); | |
| 59 | if (dirfd(dirp) >= 0) | |
| 60 | exit(0); | |
| 61 | else | |
| 62 | exit(1); | |
| 63 | } | |
| 64 | EOM | |
| 044b28cf | 65 | val=$undef |
| 2900aecf JH |
66 | set dirfd |
| 67 | if eval $compile; then | |
| 68 | val="$define" | |
| 69 | fi | |
| 70 | case "$val" in | |
| 71 | $define) echo "dirfd() found." >&4 ;; | |
| 72 | *) echo "dirfd() NOT found." >&4 ;; | |
| 73 | esac | |
| 74 | set d_dirfd | |
| 75 | eval $setvar | |
| 76 | $rm -f dirfd* | |
| 77 |