Added macro files I missed earlier...

[awesomized/libmemcached] / m4 / pandora_have_better_malloc.m4

diff --git a/m4/pandora_have_better_malloc.m4 b/m4/pandora_have_better_malloc.m4
new file mode 100644 (file)
index 0000000..4563e3b
--- /dev/null
+++ b/m4/pandora_have_better_malloc.m4
@@ -0,0 +1,54 @@
+dnl  Copyright (C) 2009 Sun Microsystems
+dnl This file is free software; Sun Microsystems
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([PANDORA_HAVE_BETTER_MALLOC],[
+  AC_REQUIRE([AC_FUNC_MALLOC])
+  AC_REQUIRE([AC_FUNC_REALLOC])
+  AC_REQUIRE([AC_LIB_PREFIX])
+
+  AC_ARG_ENABLE([umem],
+    [AS_HELP_STRING([--enable-umem],
+       [Enable linking with libumem @<:@default=off@:>@])],
+    [ac_enable_umem="$enableval"],
+    [ac_enable_umem="no"])
+  
+  AC_ARG_ENABLE([tcmalloc],
+    [AS_HELP_STRING([--enable-tcmalloc],
+       [Enable linking with tcmalloc @<:@default=off@:>@])],
+    [ac_enable_tcmalloc="$enableval"],
+    [ac_enable_tcmalloc="no"])
+  
+  AC_ARG_ENABLE([mtmalloc],
+    [AS_HELP_STRING([--disable-mtmalloc],
+       [Enable linking with mtmalloc @<:@default=on@:>@])],
+    [ac_enable_mtmalloc="$enableval"],
+    [ac_enable_mtmalloc="yes"])
+  
+  save_LIBS="${LIBS}"
+  LIBS=
+  AS_IF([test "x$ac_enable_umem" = "xyes"],[
+    AC_CHECK_LIB(umem,malloc,[],[])
+  ],[
+    case "$target_os" in
+      *linux*)
+        AS_IF([test "x$ac_enable_tcmalloc" != "xno"],[
+          AC_CHECK_LIB(tcmalloc-minimal,malloc,[],[])
+          AS_IF([test "x$ac_cv_lib_tcmalloc_minimal_malloc" != "xyes"],[
+            AC_CHECK_LIB(tcmalloc,malloc,[],[])
+          ])
+        ])
+        ;;
+      *solaris*)
+        AS_IF([test "x$ac_enable_mtmalloc" != "xno"],[
+          AC_CHECK_LIB(mtmalloc,malloc,[],[])
+        ])
+        ;;
+    esac
+  ])
+  BETTER_MALLOC_LIBS="${LIBS}"
+  LIBS="${save_LIBS}"
+  AC_SUBST([BETTER_MALLOC_LIBS])
+
+])