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-rw-r--r--configure.ac89
1 files changed, 2 insertions, 87 deletions
diff --git a/configure.ac b/configure.ac
index b08db799..91e9b493 100644
--- a/configure.ac
+++ b/configure.ac
@@ -564,93 +564,8 @@ gl_GETOPT
# Find the best function to set timestamps.
AC_CHECK_FUNCS([futimens futimes futimesat utimes utime], [break])
-# Check how to find out the amount of physical memory in the system. The
-# xz command line tool uses this to automatically limit its memory usage.
-# - sysconf() gives all the needed info on GNU+Linux and Solaris.
-# - BSDs use sysctl().
-AC_MSG_CHECKING([how to detect the amount of physical memory])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#include <unistd.h>
-int
-main()
-{
- 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()
-{
- 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])
-], [
- AC_MSG_RESULT([unknown])
-])])
-
-# Check how to find out the number of available CPU cores in the system.
-# sysconf(_SC_NPROCESSORS_ONLN) works on most systems, except that BSDs
-# use sysctl().
-AC_MSG_CHECKING([how to detect the number of available CPU cores])
-AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-#include <unistd.h>
-int
-main()
-{
- long i;
- i = sysconf(_SC_NPROCESSORS_ONLN);
- return 0;
-}
-]])], [
- AC_DEFINE([HAVE_NCPU_SYSCONF], [1],
- [Define to 1 if the number of available CPU cores can be
- detected with sysconf(_SC_NPROCESSORS_ONLN).])
- 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()
-{
- int name[2] = { CTL_HW, HW_NCPU };
- int cpus;
- size_t cpus_size = sizeof(cpus);
- sysctl(name, 2, &cpus, &cpus_size, NULL, NULL);
- return 0;
-}
-]])], [
- AC_DEFINE([HAVE_NCPU_SYSCTL], [1],
- [Define to 1 if the number of available CPU cores can be
- detected with sysctl().])
- AC_MSG_RESULT([sysctl])
-], [
- AC_MSG_RESULT([unknown])
-])])
+lc_PHYSMEM
+lc_CPUCORES
###############################################################################