diff options
Diffstat (limited to 'am/pack.m4')
| -rw-r--r-- | am/pack.m4 | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/am/pack.m4 b/am/pack.m4 deleted file mode 100644 index c03c948..0000000 --- a/am/pack.m4 +++ /dev/null @@ -1,67 +0,0 @@ -# This file is part of GNU cpio -# Copyright (C) 2009 Free Software Foundation -# -# GNU cpio is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3, or (at your option) -# any later version. -# -# GNU cpio is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU cpio. If not, see <http://www.gnu.org/licenses/>. - -# CPIO_PACKED_STRUCTS is based on code from ClamAV -AC_DEFUN([CPIO_PACKED_STRUCTS],[ - dnl check for __attribute__((packed)) - AC_MSG_CHECKING([for structure packing via __attribute__((packed))]) - AC_CACHE_VAL(cpio_cv_have_attrib_packed,[ - AC_TRY_COMPILE(, - [struct { int i __attribute__((packed)); } s; ], - [have_attrib_packed=yes], - [have_attrib_packed=no]) - ]) - AC_MSG_RESULT($have_attrib_packed) - - if test "$have_attrib_packed" = no; then - AC_MSG_CHECKING(for structure packing via pragma) - AC_CACHE_VAL(cpio_cv_have_pragma_pack,[ - AC_TRY_RUN(CPIO_FLUSHLEFT([ - int main(int argc, char **argv) { - #pragma pack(1) - struct { char c; long l; } s; - return sizeof(s)==sizeof(s.c)+sizeof(s.l) ? 0:1; } ]), - [have_pragma_pack=yes], - [have_pragma_pack=no]) - ]) - AC_MSG_RESULT($have_pragma_pack) - if test "$have_pragma_pack" = yes; then - AC_DEFINE(HAVE_PRAGMA_PACK, 1, "pragma pack") - else - AC_MSG_CHECKING(for structure packing via hppa/hp-ux pragma) - AC_CACHE_VAL(cpio_cv_have_pragma_pack_hpux,[ - AC_TRY_RUN(CPIO_FLUSHLEFT([ - /* hppa/hp-ux wants pragma outside of function */ - #pragma pack 1 - struct { char c; long l; } s; - int main(int argc, char **argv) { - return sizeof(s)==sizeof(s.c)+sizeof(s.l) ? 0:1; } ]), - [have_pragma_pack_hpux=yes], - [have_pragma_pack_hpux=no]) - ]) - AC_MSG_RESULT($have_pragma_pack_hpux) - AC_DEFINE(HAVE_PRAGMA_PACK_HPPA, 1, "pragma pack hppa/hp-ux style") - fi - fi - - if test "${have_attrib_packed}${have_pragma_pack}$have_pragma_pack_hpux" = "nonono"; then - AC_MSG_ERROR(Need to know how to pack structures with this compiler) - fi - - if test "$have_attrib_packed" = yes; then - AC_DEFINE(HAVE_ATTRIB_PACKED, 1, [attrib packed]) - fi -]) |