---

yaml
---
r: 12133
b: refs/heads/master
c: bd03998
h: refs/heads/master
i:
  12131: f80a7c5
v: v3

Author: graydon

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 45a709766c60869ebdcad776ef9c9804aee7f506
+refs/heads/master: bd0399863fd2e012c46d0fed50e016f5dd147d82
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 4a81779abd786ff22d71434c6d9a5917ea4cdfff
 refs/heads/try: 2898dcc5d97da9427ac367542382b6239d9c0bbf

trunk/mk/rt.mk

@@ -27,6 +27,15 @@
 LIBUV_FLAGS_i386 = -m32 -fPIC
 LIBUV_FLAGS_x86_64 = -m64 -fPIC
 
+# when we're doing a snapshot build, we intentionally degrade as many
+# features in libuv and the runtime as possible, to ease portability.
+
+SNAP_DEFINES:=
+ifneq ($(strip $(findstring snap,$(MAKECMDGOALS))),)
+	SNAP_DEFINES=-DRUST_SNAPSHOT
+endif
+
+
 define DEF_RUNTIME_TARGETS
 
 ######################################################################
@@ -107,7 +116,8 @@ RUNTIME_LIBS_$(1) := $$(LIBUV_LIB_$(1))
 
 rt/$(1)/%.o: rt/%.cpp $$(RUNTIME_HDR_$(1)) $$(MKFILE_DEPS)
 	@$$(call E, compile: $$@)
-	$$(Q)$$(call CFG_COMPILE_C_$(1), $$@, $$(RUNTIME_INCS_$(1))) $$<
+	$$(Q)$$(call CFG_COMPILE_C_$(1), $$@, $$(RUNTIME_INCS_$(1)) \
+                 $$(SNAP_DEFINES)) $$<
 
 rt/$(1)/%.o: rt/%.S  $$(RUNTIME_HDR_$(1)) $$(MKFILE_DEPS) \
                      $$(LLVM_CONFIG_$$(CFG_HOST_TRIPLE))
@@ -144,7 +154,7 @@ endif
 
 $$(LIBUV_LIB_$(1)): $$(LIBUV_DEPS)
 	$$(Q)$$(MAKE) -C $$(S)mk/libuv/$$(LIBUV_ARCH_$(1))/$$(LIBUV_OSTYPE_$(1)) \
-		CFLAGS="$$(LIBUV_FLAGS_$$(HOST_$(1)))" \
+		CFLAGS="$$(LIBUV_FLAGS_$$(HOST_$(1))) $$(SNAP_DEFINES)" \
         LDFLAGS="$$(LIBUV_FLAGS_$$(HOST_$(1)))" \
 		CC="$$(CFG_GCCISH_CROSS)$$(CC)" \
 		CXX="$$(CFG_GCCISH_CROSS)$$(CXX)" \

trunk/src/libuv

@@ -1 +1 @@
-Subproject commit 1170ffba3ac5191930b40c897d4569a9d8a296a3
+Subproject commit 1d6aec9d54c7a684ade521f71a4d538a6a88b14f

trunk/src/rt/rust_run_program.cpp

@@ -168,7 +168,7 @@ rust_run_program(const char* argv[],
         *_NSGetEnviron() = (char **)envp;
     }
     execvp(argv[0], (char * const *)argv);
-#elif __FreeBSD__
+#elif __FreeBSD__ || (defined(__linux__) && defined(RUST_SNAPSHOT))
     if (envp) { environ = (char **)envp; }
     execvp(argv[0], (char * const *)argv);
 #else