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build: rework mallinfo test & find malloc_size

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Signed-off-by: David Lamparter <equinox@diac24.net>
This commit is contained in:
David Lamparter 2018-08-08 16:33:13 +02:00
parent 09890489cc
commit fa896a1d80
2 changed files with 57 additions and 11 deletions
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59
configure.ac
View file

@ -1811,15 +1811,58 @@ dnl order to check no alternative allocator
dnl has been specified, which might not provide
dnl mallinfo, e.g. such as Umem on Solaris.
dnl -----------------------------------------
AC_CHECK_HEADER([malloc.h],
[AC_MSG_CHECKING(whether mallinfo is available)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <malloc.h>]],
[[struct mallinfo ac_x; ac_x = mallinfo ();]])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_MALLINFO,,mallinfo)],
AC_CHECK_HEADERS([malloc.h malloc/malloc.h],,, [FRR_INCLUDES])
AC_MSG_CHECKING(whether mallinfo is available)
AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#ifdef HAVE_MALLOC_MALLOC_H
#include <malloc/malloc.h>
#endif
]], [[
struct mallinfo ac_x; ac_x = mallinfo ();
]])], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_MALLINFO,,mallinfo)
], [
AC_MSG_RESULT(no)
)
], [], FRR_INCLUDES)
])
AC_MSG_CHECKING(whether malloc_usable_size is available)
AC_LINK_IFELSE([AC_LANG_PROGRAM([FRR_INCLUDES [
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#ifdef HAVE_MALLOC_MALLOC_H
#include <malloc/malloc.h>
#endif
]], [[
size_t ac_x; ac_x = malloc_usable_size(NULL);
]])], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_MALLOC_USABLE_SIZE,,malloc_usable_size)
], [
AC_MSG_RESULT(no)
AC_MSG_CHECKING(whether malloc_size is available)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#ifdef HAVE_MALLOC_MALLOC_H
#include <malloc/malloc.h>
#endif
]], [[
size_t ac_x; ac_x = malloc_size(NULL);
]])], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_MALLOC_SIZE,,malloc_size)
], [
AC_MSG_RESULT(no)
])
])
dnl ------
dnl ZeroMQ

7
lib/memory_vty.c
View file

@ -21,9 +21,12 @@
#include <zebra.h>
/* malloc.h is generally obsolete, however GNU Libc mallinfo wants it. */
#if (defined(GNU_LINUX) && defined(HAVE_MALLINFO))
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif /* HAVE_MALLINFO */
#endif
#ifdef HAVE_MALLOC_MALLOC_H
#include <malloc/malloc.h>
#endif
#include <dlfcn.h>
#include <link.h>