diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 89 |
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 ############################################################################### |