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Test for Linux-specific sysinfo() only on Linux systems.

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Some other systems have sysinfo() with different semantics.
This commit is contained in:
Lasse Collin 2009-03-01 09:03:08 +02:00
parent cf751edfde
commit 0df9299e24
1 changed files with 19 additions and 9 deletions
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16
m4/lc_physmem.m4
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@ -54,6 +54,10 @@ main(void)
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
@ -65,10 +69,16 @@ main(void)
}
]])], [
AC_DEFINE([HAVE_PHYSMEM_SYSINFO], [1],
[Define to 1 if the amount of physical memory can be detected
with sysinfo().])
[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