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Diffstat (limited to '')
-rw-r--r-- | m4/lc_physmem.m4 | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/m4/lc_physmem.m4 b/m4/lc_physmem.m4 deleted file mode 100644 index 5d9581e1..00000000 --- a/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, 0); - 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 |