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Diffstat (limited to 'config/gr_check_memalign.m4')
| -rw-r--r-- | config/gr_check_memalign.m4 | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/config/gr_check_memalign.m4 b/config/gr_check_memalign.m4 deleted file mode 100644 index 109516aa3..000000000 --- a/config/gr_check_memalign.m4 +++ /dev/null @@ -1,42 +0,0 @@ -# Copyright 2008 Free Software Foundation, Inc. - -# This program 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. - -# This program 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 this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Boston, MA -# 02110-1301, USA. - -AC_DEFUN([GR_CHECK_MEMALIGN], -[ - AC_REQUIRE([AC_CANONICAL_HOST]) - - # Check for allocing memory alignment functions - # If 'posix_memalign' is available, use it solely. - AC_CHECK_FUNCS([posix_memalign],,[ - # Otherwise, check for valloc and the - # (a-priori known) alignment of 'malloc' - AC_CHECK_FUNCS([valloc]) - aligned_malloc=0 - # 'malloc' is 16-byte aligned on (at least) Darwin 8 and 9 - case "$host_os" in - darwin8*) aligned_malloc=16 ;; - darwin9*) aligned_malloc=16 ;; - *) ;; - esac - if test $aligned_malloc = 0; then - AC_MSG_RESULT([malloc has unknown alignment.]) - else - AC_MSG_RESULT([malloc is $aligned_malloc-byte aligned.]) - fi - AC_DEFINE_UNQUOTED([ALIGNED_MALLOC],[$aligned_malloc],[Define as the alignment of malloc if known; otherwise 0.]) - ]) -]) |