librustc: Don't try to perform the magical

[rust.git] / mk / main.mk

diff --git a/mk/main.mk b/mk/main.mk
index 5c0bffda7be24525dcd8240b16226f1e738d9dff..3f6103bafa52daee662391eb5a003ee03dce6626 100644 (file)
--- a/mk/main.mk
+++ b/mk/main.mk
@@ -42,9 +42,9 @@ SPACE :=
 SPACE +=
 ifneq ($(wildcard $(subst $(SPACE),\$(SPACE),$(CFG_GIT))),)
 ifneq ($(wildcard $(subst $(SPACE),\$(SPACE),$(CFG_GIT_DIR))),)
-    CFG_VERSION += $(shell git --git-dir='$(CFG_GIT_DIR)' log -1 \
-                     --pretty=format:'(%h %ci)')
+    CFG_VER_DATE = $(shell git --git-dir='$(CFG_GIT_DIR)' log -1 --pretty=format:'%ci')
     CFG_VER_HASH = $(shell git --git-dir='$(CFG_GIT_DIR)' rev-parse HEAD)
+    CFG_VERSION += ($(CFG_VER_HASH) $(CFG_VER_DATE))
 endif
 endif
 
@@ -272,6 +272,12 @@ $(foreach host,$(CFG_HOST), \
 
 export CFG_SRC_DIR
 export CFG_BUILD_DIR
+ifdef CFG_VER_DATE
+export CFG_VER_DATE
+endif
+ifdef CFG_VER_HASH
+export CFG_VER_HASH
+endif
 export CFG_VERSION
 export CFG_VERSION_WIN
 export CFG_RELEASE
@@ -349,18 +355,45 @@ CFGFLAG$(1)_T_$(2)_H_$(3) = stage$(1)
 endef
 
 # Same macro/variables as above, but defined in a separate loop so it can use
-# all the varibles above for all archs. The RPATH_VAR setup sometimes needs to
+# all the variables above for all archs. The RPATH_VAR setup sometimes needs to
 # reach across triples to get things in order.
+#
+# Defines (with the standard $(1)_T_$(2)_H_$(3) suffix):
+# * `LD_LIBRARY_PATH_ENV_NAME`: the name for the key to use in the OS
+#   environment to access or extend the lookup path for dynamic
+#   libraries.  Note on Windows, that key is `$PATH`, and thus not
+#   only conflates programs with dynamic libraries, but also often
+#   contains spaces which confuse make.
+# * `LD_LIBRARY_PATH_ENV_HOSTDIR`: the entry to add to lookup path for the host
+# * `LD_LIBRARY_PATH_ENV_TARGETDIR`: the entry to add to lookup path for target
+#
+# Below that, HOST_RPATH_VAR and TARGET_RPATH_VAR are defined in terms of the
+# above settings.
+#
 define SREQ_CMDS
 
 ifeq ($$(OSTYPE_$(3)),apple-darwin)
-  RPATH_VAR$(1)_T_$(2)_H_$(3) := \
-      DYLD_LIBRARY_PATH="$$$$DYLD_LIBRARY_PATH:$$(CURDIR)/$$(HLIB$(1)_H_$(3))"
+  LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := DYLD_LIBRARY_PATH
+else
+ifeq ($$(CFG_WINDOWSY_$(2)),1)
+  LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := PATH
 else
-  RPATH_VAR$(1)_T_$(2)_H_$(3) := \
-      LD_LIBRARY_PATH="$$$$LD_LIBRARY_PATH:$$(CURDIR)/$$(HLIB$(1)_H_$(3))"
+  LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3) := LD_LIBRARY_PATH
+endif
 endif
 
+LD_LIBRARY_PATH_ENV_HOSTDIR$(1)_T_$(2)_H_$(3) := \
+    $$(CURDIR)/$$(HLIB$(1)_H_$(3))
+LD_LIBRARY_PATH_ENV_TARGETDIR$(1)_T_$(2)_H_$(3) := \
+    $$(CURDIR)/$$(TLIB1_T_$(2)_H_$(CFG_BUILD))
+
+HOST_RPATH_VAR$(1)_T_$(2)_H_$(3) := \
+  $$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))=$$(LD_LIBRARY_PATH_ENV_HOSTDIR$(1)_T_$(2)_H_$(3)):$$$$$$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))
+TARGET_RPATH_VAR$(1)_T_$(2)_H_$(3) := \
+  $$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))=$$(LD_LIBRARY_PATH_ENV_TARGETDIR$(1)_T_$(2)_H_$(3)):$$$$$$(LD_LIBRARY_PATH_ENV_NAME$(1)_T_$(2)_H_$(3))
+
+RPATH_VAR$(1)_T_$(2)_H_$(3) := $$(HOST_RPATH_VAR$(1)_T_$(2)_H_$(3))
+
 # Pass --cfg stage0 only for the build->host part of stage0;
 # if you're building a cross config, the host->* parts are
 # effectively stage1, since it uses the just-built stage0.
@@ -376,13 +409,7 @@ ifeq ($(1),0)
 ifneq ($(strip $(CFG_BUILD)),$(strip $(3)))
 CFGFLAG$(1)_T_$(2)_H_$(3) = stage1
 
-ifeq ($$(OSTYPE_$(3)),apple-darwin)
-  RPATH_VAR$(1)_T_$(2)_H_$(3) := \
-      DYLD_LIBRARY_PATH="$$$$DYLD_LIBRARY_PATH:$$(CURDIR)/$$(TLIB1_T_$(2)_H_$(CFG_BUILD))"
-else
-  RPATH_VAR$(1)_T_$(2)_H_$(3) := \
-      LD_LIBRARY_PATH="$$$$LD_LIBRARY_PATH:$$(CURDIR)/$$(TLIB1_T_$(2)_H_$(CFG_BUILD))"
-endif
+RPATH_VAR$(1)_T_$(2)_H_$(3) := $$(TARGET_RPATH_VAR$(1)_T_$(2)_H_$(3))
 endif
 endif