diff options
Diffstat (limited to 'gnulib/m4/pagealign_alloc.m4')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/m4/pagealign_alloc.m4 | 22 |
2 files changed, 22 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 4fc10daa05477586fea99b6b3ca02a87d1102fa diff --git a/gnulib/m4/pagealign_alloc.m4 b/gnulib/m4/pagealign_alloc.m4 new file mode 100644 index 00000000..19b97380 --- /dev/null +++ b/gnulib/m4/pagealign_alloc.m4 @@ -0,0 +1,22 @@ +#serial 5 +dnl Copyright (C) 2005, 2006, 2007, 2009, 2010 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_PAGEALIGN_ALLOC], +[ + dnl Persuade glibc <sys/mman.h> to define MAP_ANONYMOUS. + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) + + AC_LIBOBJ([pagealign_alloc]) + gl_PREREQ_PAGEALIGN_ALLOC +]) + +# Prerequisites of lib/pagealign_alloc.c. +AC_DEFUN([gl_PREREQ_PAGEALIGN_ALLOC], +[ + AC_REQUIRE([gl_FUNC_MMAP_ANON]) + AC_CHECK_FUNCS_ONCE([posix_memalign]) + AC_CHECK_HEADERS_ONCE([unistd.h]) +]) |