summaryrefslogtreecommitdiff
path: root/Build/source/utils/xz-4.999.9beta/m4/lc_physmem.m4
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/utils/xz-4.999.9beta/m4/lc_physmem.m4')
-rw-r--r--Build/source/utils/xz-4.999.9beta/m4/lc_physmem.m484
1 files changed, 0 insertions, 84 deletions
diff --git a/Build/source/utils/xz-4.999.9beta/m4/lc_physmem.m4 b/Build/source/utils/xz-4.999.9beta/m4/lc_physmem.m4
deleted file mode 100644
index 78be1362db2..00000000000
--- a/Build/source/utils/xz-4.999.9beta/m4/lc_physmem.m4
+++ /dev/null
@@ -1,84 +0,0 @@
-dnl ###########################################################################
-dnl
-dnl lc_PHYSMEM - Check how to find out the amount of physical memory
-dnl
-dnl - sysconf() gives all the needed info on GNU+Linux and Solaris.
-dnl - BSDs use sysctl().
-dnl - sysinfo() works on Linux/dietlibc and probably on other Linux systems
-dnl whose libc may lack sysconf().
-dnl
-dnl ###########################################################################
-dnl
-dnl Author: Lasse Collin
-dnl
-dnl This file has been put into the public domain.
-dnl You can do whatever you want with this file.
-dnl
-dnl ###########################################################################
-AC_DEFUN([lc_PHYSMEM], [
-AC_MSG_CHECKING([how to detect the amount of physical memory])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#include <unistd.h>
-int
-main(void)
-{
- long i;
- i = sysconf(_SC_PAGESIZE);
- i = sysconf(_SC_PHYS_PAGES);
- return 0;
-}
-]])], [
- AC_DEFINE([HAVE_PHYSMEM_SYSCONF], [1],
- [Define to 1 if the amount of physical memory can be detected
- with sysconf(_SC_PAGESIZE) and sysconf(_SC_PHYS_PAGES).])
- AC_MSG_RESULT([sysconf])
-], [
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#include <sys/types.h>
-#ifdef HAVE_SYS_PARAM_H
-# include <sys/param.h>
-#endif
-#include <sys/sysctl.h>
-int
-main(void)
-{
- int name[2] = { CTL_HW, HW_PHYSMEM };
- unsigned long mem;
- size_t mem_ptr_size = sizeof(mem);
- sysctl(name, 2, &mem, &mem_ptr_size, NULL, NULL);
- return 0;
-}
-]])], [
- AC_DEFINE([HAVE_PHYSMEM_SYSCTL], [1],
- [Define to 1 if the amount of physical memory can be detected
- with sysctl().])
- AC_MSG_RESULT([sysctl])
-], [
-dnl sysinfo() is Linux-specific. Some non-Linux systems have
-dnl incompatible sysinfo() so we must check $host_os.
-case $host_os in
- linux*)
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#include <sys/sysinfo.h>
-int
-main(void)
-{
- struct sysinfo si;
- sysinfo(&si);
- return 0;
-}
- ]])], [
- AC_DEFINE([HAVE_PHYSMEM_SYSINFO], [1],
- [Define to 1 if the amount of physical memory
- can be detected with Linux sysinfo().])
- AC_MSG_RESULT([sysinfo])
- ], [
- AC_MSG_RESULT([unknown])
- ])
- ;;
- *)
- AC_MSG_RESULT([unknown])
- ;;
-esac
-])])
-])dnl lc_PHYSMEM