https://perl5.git.perl.org / metaconfig.git / blame
| Commit | Line | Data |
|---|---|---|
| 0b272666 JH |
1 | ?RCS: $Id: d_attribut.U,v 3.0.1.3 1995/01/30 14:33:45 ram Exp $ |
| 2 | ?RCS: | |
| 3 | ?RCS: Copyright (c) 1991-1993, Raphael Manfredi | |
| 4 | ?RCS: | |
| 5 | ?RCS: You may redistribute only under the terms of the Artistic Licence, | |
| 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 | |
| 8 | ?RCS: that same Artistic Licence; a copy of which may be found at the root | |
| 9 | ?RCS: of the source tree for dist 3.0. | |
| 10 | ?RCS: | |
| 11 | ?RCS: Original Author: Andy Dougherty <doughera@lafcol.lafayette.edu> | |
| 12 | ?RCS: | |
| 13 | ?RCS: $Log: d_attribut.U,v $ | |
| 14 | ?RCS: Revision 3.0.1.3 1995/01/30 14:33:45 ram | |
| 15 | ?RCS: patch49: test C program now includes <stdio.h> (WED) | |
| 16 | ?RCS: | |
| 17 | ?RCS: Revision 3.0.1.2 1995/01/11 15:25:47 ram | |
| 18 | ?RCS: patch45: fixed typo in the d_attribut variable (ADO) | |
| 19 | ?RCS: | |
| 20 | ?RCS: Revision 3.0.1.1 1994/10/29 16:08:55 ram | |
| 21 | ?RCS: patch36: created by ADO | |
| 22 | ?RCS: | |
| 23 | ?MAKE:d_attribut: Myread Oldconfig cat cc ccflags rm Setvar contains | |
| 24 | ?MAKE: -pick add $@ %< | |
| 25 | ?S:d_attribut (d_attrib): | |
| 26 | ?S: This variable conditionally defines HASATTRIBUTE, which | |
| 27 | ?S: indicates the C compiler can check for function attributes, | |
| 28 | ?S: such as printf formats. | |
| 29 | ?S:. | |
| 30 | ?C:HASATTRIBUTE ~ %< (GNUC_ATTRIBUTE_CHECK): | |
| 31 | ?C: This symbol indicates the C compiler can check for function attributes, | |
| 32 | ?C: such as printf formats. This is normally only supported by GNU cc. | |
| 33 | ?C:. | |
| 34 | ?H:?%<:#$d_attribut HASATTRIBUTE /**/ | |
| 35 | ?H:?%<:#ifndef HASATTRIBUTE | |
| 36 | ?H:?%<:#ifdef __attribute__ | |
| 37 | ?H:?%<:#undef __attribute__ | |
| 38 | ?H:?%<:#endif | |
| 39 | ?H:?%<:#define __attribute__(_arg_) | |
| 40 | ?H:?%<:#endif | |
| 41 | ?H:. | |
| 42 | ?W:%<:__attribute__ | |
| 43 | ?LINT:set d_attribut | |
| 44 | ?LINT:known __attribute__ | |
| 45 | : Look for GNU-cc style attribute checking | |
| 46 | echo " " | |
| 47 | echo "Checking whether your compiler can handle __attribute__ ..." >&4 | |
| 48 | $cat >attrib.c <<'EOCP' | |
| 49 | #include <stdio.h> | |
| 62eece6b | 50 | void croak (char* pat,...) __attribute__((__format__(__printf__,1,2),noreturn)); |
| 0b272666 JH |
51 | EOCP |
| 52 | if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then | |
| 53 | if $contains 'warning' attrib.out >/dev/null 2>&1; then | |
| 54 | echo "Your C compiler doesn't fully support __attribute__." | |
| 55 | val="$undef" | |
| 56 | else | |
| 57 | echo "Your C compiler supports __attribute__." | |
| 58 | val="$define" | |
| 59 | fi | |
| 60 | else | |
| 61 | echo "Your C compiler doesn't seem to understand __attribute__ at all." | |
| 62 | val="$undef" | |
| 63 | fi | |
| 64 | set d_attribut | |
| 65 | eval $setvar | |
| 66 | $rm -f attrib* | |
| 67 |