git.m6w6.name Git - awesomized/libmemcached/blob - m4/pandora_have_better_malloc.m4

   1 dnl  Copyright (C) 2009 Sun Microsystems
   2 dnl This file is free software; Sun Microsystems
   3 dnl gives unlimited permission to copy and/or distribute it,
   4 dnl with or without modifications, as long as this notice is preserved.
   5
   6 AC_DEFUN([PANDORA_HAVE_BETTER_MALLOC],[
   7   AC_REQUIRE([AC_FUNC_MALLOC])
   8   AC_REQUIRE([AC_FUNC_REALLOC])
   9   AC_REQUIRE([AC_LIB_PREFIX])
  10
  11   AC_ARG_ENABLE([umem],
  12     [AS_HELP_STRING([--enable-umem],
  13        [Enable linking with libumem @<:@default=off@:>@])],
  14     [ac_enable_umem="$enableval"],
  15     [ac_enable_umem="no"])
  16
  17   AC_ARG_ENABLE([tcmalloc],
  18     [AS_HELP_STRING([--enable-tcmalloc],
  19        [Enable linking with tcmalloc @<:@default=off@:>@])],
  20     [ac_enable_tcmalloc="$enableval"],
  21     [ac_enable_tcmalloc="no"])
  22
  23   AC_ARG_ENABLE([mtmalloc],
  24     [AS_HELP_STRING([--disable-mtmalloc],
  25        [Enable linking with mtmalloc @<:@default=on@:>@])],
  26     [ac_enable_mtmalloc="$enableval"],
  27     [ac_enable_mtmalloc="yes"])
  28
  29   save_LIBS="${LIBS}"
  30   LIBS=
  31   AS_IF([test "x$ac_enable_umem" = "xyes"],[
  32     AC_CHECK_LIB(umem,malloc,[],[])
  33   ],[
  34     case "$target_os" in
  35       *linux*)
  36         AS_IF([test "x$ac_enable_tcmalloc" != "xno"],[
  37           AC_CHECK_LIB(tcmalloc-minimal,malloc,[],[])
  38           AS_IF([test "x$ac_cv_lib_tcmalloc_minimal_malloc" != "xyes"],[
  39             AC_CHECK_LIB(tcmalloc,malloc,[],[])
  40           ])
  41         ])
  42         ;;
  43       *solaris*)
  44         AS_IF([test "x$ac_enable_mtmalloc" != "xno"],[
  45           AC_CHECK_LIB(mtmalloc,malloc,[],[])
  46         ])
  47         ;;
  48     esac
  49   ])
  50   BETTER_MALLOC_LIBS="${LIBS}"
  51   LIBS="${save_LIBS}"
  52   AC_SUBST([BETTER_MALLOC_LIBS])
  53
  54 ])