auto merge of #8584 : thestinger/rust/jemalloc, r=graydon

This reverts commit 371a316.

Closes #7217

mk/rt.mk

@@ -147,10 +147,10 @@ rt/$(1)/stage$(2)/arch/$$(HOST_$(1))/libmorestack.a: $$(MORESTACK_OBJ_$(1)_$(2))
 	$$(Q)$(AR_$(1)) rcs $$@ $$<
 
 rt/$(1)/stage$(2)/$(CFG_RUNTIME_$(1)): $$(RUNTIME_OBJS_$(1)_$(2)) $$(MKFILE_DEPS) \
-                        $$(RUNTIME_DEF_$(1)_$(2)) $$(LIBUV_LIB_$(1)_$(2))
+                        $$(RUNTIME_DEF_$(1)_$(2)) $$(LIBUV_LIB_$(1)_$(2)) $$(JEMALLOC_LIB_$(1)_$(2))
 	@$$(call E, link: $$@)
 	$$(Q)$$(call CFG_LINK_CXX_$(1),$$@, $$(RUNTIME_OBJS_$(1)_$(2)) \
-	  $$(CFG_GCCISH_POST_LIB_FLAGS_$(1)) $$(LIBUV_LIB_$(1)_$(2)) \
+	  $$(JEMALLOC_LIB_$(1)_$(2)) $$(CFG_GCCISH_POST_LIB_FLAGS_$(1)) $$(LIBUV_LIB_$(1)_$(2)) \
 	  $$(CFG_LIBUV_LINK_FLAGS_$(1)),$$(RUNTIME_DEF_$(1)_$(2)),$$(CFG_RUNTIME_$(1)))
 
 # FIXME: For some reason libuv's makefiles can't figure out the

src/rt/jemalloc/configure

@@ -4479,6 +4479,18 @@ case "${host}" in
 
 	force_lazy_lock="1"
 	;;
+  *-*-linux-android*)
+	CFLAGS="$CFLAGS"
+	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+	abi="elf"
+	$as_echo "#define JEMALLOC_HAS_ALLOCA_H 1" >>confdefs.h
+
+	$as_echo "#define JEMALLOC_PURGE_MADVISE_DONTNEED  " >>confdefs.h
+
+	$as_echo "#define JEMALLOC_THREADED_INIT  " >>confdefs.h
+
+	default_munmap="0"
+	;;
   *-*-linux*)
 	CFLAGS="$CFLAGS"
 	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"

src/rt/jemalloc/configure.ac

@@ -226,7 +226,7 @@ PIC_CFLAGS='-fPIC -DPIC'
 CTARGET='-o $@'
 LDTARGET='-o $@'
 EXTRA_LDFLAGS=
-MKLIB='ar crus $@'
+MKLIB='$(AR) crus $@'
 CC_MM=1
 
 dnl Platform-specific settings.  abi and RPATH can probably be determined
@@ -257,6 +257,15 @@ case "${host}" in
 	AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
 	force_lazy_lock="1"
 	;;
+  *-*-linux-android*)
+	CFLAGS="$CFLAGS"
+	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+	abi="elf"
+	AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
+	AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ])
+	AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
+	default_munmap="0"
+	;;
   *-*-linux*)
 	CFLAGS="$CFLAGS"
 	CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"