Make rustc's own lib directory configurable and change the default to rustlib. Fixes #3319

Author: jhasse

Makefile.in

@@ -33,7 +33,7 @@
 # stageN - this is the system root, corresponding to, e.g. /usr
 #   bin - binaries compiled for the host
 #   lib - libraries used by the host compiler
-#     rustc - rustc's own place to organize libraries
+#     rustlib - rustc's own place to organize libraries
 #       $(target) - target-specific artifacts
 #         bin - binaries for target architectures
 #         lib - libraries for target architectures
@@ -415,6 +415,7 @@ export CFG_LLVM_ROOT
 export CFG_ENABLE_MINGW_CROSS
 export CFG_PREFIX
 export CFG_LIBDIR
+export CFG_RUSTLIBDIR
 
 ######################################################################
 # Subprograms
@@ -435,7 +436,7 @@ HBIN$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/bin
 HLIB$(1)_H_$(3) = $$(HROOT$(1)_H_$(3))/$$(CFG_LIBDIR)
 
 # Destinations of artifacts for target architectures
-TROOT$(1)_T_$(2)_H_$(3) = $$(HLIB$(1)_H_$(3))/rustc/$(2)
+TROOT$(1)_T_$(2)_H_$(3) = $$(HLIB$(1)_H_$(3))/$$(CFG_RUSTLIBDIR)/$(2)
 TBIN$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/bin
 TLIB$(1)_T_$(2)_H_$(3) = $$(TROOT$(1)_T_$(2)_H_$(3))/$$(CFG_LIBDIR)
 

configure

@@ -398,6 +398,7 @@ valopt datadir "${CFG_PREFIX}/share" "install data"
 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
 valopt mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
 valopt libdir "${CFG_PREFIX}/lib" "install libraries"
+valopt rustlibdir "rustlib" "subdirectory name for rustc's libraries"
 
 # Validate Options
 step_msg "validating $CFG_SELF args"
@@ -775,11 +776,16 @@ do
             make_dir $h/stage$i/test
 
             # target bin dir
-            make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/bin
+            make_dir $h/stage$i/$CFG_LIBDIR/$CFG_RUSTLIBDIR/$t/bin
 
             # target lib dir
-            make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/$CFG_LIBDIR
+            make_dir $h/stage$i/$CFG_LIBDIR/$CFG_RUSTLIBDIR/$t/$CFG_LIBDIR
         done
+
+        # Fix stage0:
+        make_dir $h/stage0/$CFG_LIBDIR/rustc/$t/bin
+        make_dir $h/stage0/$CFG_LIBDIR/rustc/$t/$CFG_LIBDIR
+
     done
 
     make_dir $h/test/run-pass
@@ -1031,6 +1037,7 @@ putvar CFG_HOST
 putvar CFG_TARGET
 putvar CFG_C_COMPILER
 putvar CFG_LIBDIR
+putvar CFG_RUSTLIBDIR
 putvar CFG_DISABLE_MANAGE_SUBMODULES
 putvar CFG_ANDROID_CROSS_PATH
 putvar CFG_MINGW32_CROSS_PATH

mk/install.mk

@@ -74,7 +74,7 @@ TB$(1)$(2) = $$(TBIN$$(ISTAGE)_T_$(1)_H_$(2))
 TL$(1)$(2) = $$(TLIB$$(ISTAGE)_T_$(1)_H_$(2))
 
 # PT{R,B,L} == Prefix Target {Root, Bin, Lib}
-PTR$(1)$(2) = $$(PREFIX_LIB)/rustc/$(1)
+PTR$(1)$(2) = $$(PREFIX_LIB)/$(CFG_RUSTLIBDIR)/$(1)
 PTB$(1)$(2) = $$(PTR$(1)$(2))/bin
 PTL$(1)$(2) = $$(PTR$(1)$(2))/$(CFG_LIBDIR)
 

mk/stage0.mk

@@ -15,7 +15,7 @@ $(SNAPSHOT_RUSTC_POST_CLEANUP):						\
 #   Note: the variable "SNAPSHOT_FILE" is generally not set, and so
 #   we generally only pass one argument to this script.
 ifdef CFG_ENABLE_LOCAL_RUST
-	$(Q)$(S)src/etc/local_stage0.sh $(CFG_BUILD) $(CFG_LOCAL_RUST_ROOT)
+	$(Q)$(S)src/etc/local_stage0.sh $(CFG_BUILD) $(CFG_LOCAL_RUST_ROOT) $(CFG_RUSTLIBDIR)
 else
 	$(Q)$(CFG_PYTHON) $(S)src/etc/get-snapshot.py $(CFG_BUILD) $(SNAPSHOT_FILE)
 ifdef CFG_ENABLE_PAX_FLAGS

mk/target.mk

@@ -59,6 +59,10 @@ $$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_STDLIB_$(2)): \
 		$$(TSREQ$(1)_T_$(2)_H_$(3)) \
 		| $$(TLIB$(1)_T_$(2)_H_$(3))/
 	@$$(call E, compile_and_link: $$@)
+ifeq ($(1),0)
+	$$(Q)cp $(3)/stage0/$(CFG_LIBDIR)/rustlib/$(2)/$(CFG_LIBDIR)/* \
+		$(3)/stage0/$(CFG_LIBDIR)/rustc/$(2)/$(CFG_LIBDIR)/
+endif
 	$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(STDLIB_GLOB_$(2)),$$(notdir $$@))
 	$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(STDLIB_RGLOB_$(2)),$$(notdir $$@))
 	$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) --out-dir $$(@D) $$< && touch $$@
@@ -71,6 +75,10 @@ $$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_EXTRALIB_$(2)): \
 		$$(TSREQ$(1)_T_$(2)_H_$(3)) \
 		| $$(TLIB$(1)_T_$(2)_H_$(3))/
 	@$$(call E, compile_and_link: $$@)
+ifeq ($(1),0)
+	$$(Q)cp $(3)/stage0/$(CFG_LIBDIR)/rustlib/$(2)/$(CFG_LIBDIR)/* \
+		$(3)/stage0/$(CFG_LIBDIR)/rustc/$(2)/$(CFG_LIBDIR)/
+endif
 	$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(EXTRALIB_GLOB_$(2)),$$(notdir $$@))
 	$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(EXTRALIB_RGLOB_$(2)),$$(notdir $$@))
 	$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) --out-dir $$(@D) $$< && touch $$@
@@ -127,6 +135,10 @@ $$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBSYNTAX_$(3)): \
 		$$(TEXTRALIB_DEFAULT$(1)_T_$(2)_H_$(3)) \
 		| $$(TLIB$(1)_T_$(2)_H_$(3))/
 	@$$(call E, compile_and_link: $$@)
+ifeq ($(1),0)
+	$$(Q)cp $(3)/stage0/$(CFG_LIBDIR)/rustlib/$(2)/$(CFG_LIBDIR)/* \
+		$(3)/stage0/$(CFG_LIBDIR)/rustc/$(2)/$(CFG_LIBDIR)/
+endif
 	$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(LIBSYNTAX_GLOB_$(2)),$$(notdir $$@))
 	$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(LIBSYNTAX_RGLOB_$(2)),$$(notdir $$@))
 	$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) $(BORROWCK) --out-dir $$(@D) $$< && touch $$@
@@ -152,6 +164,10 @@ $$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)):		\
                 $$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_RUSTLLVM_$(3)) \
 		| $$(TLIB$(1)_T_$(2)_H_$(3))/
 	@$$(call E, compile_and_link: $$@)
+ifeq ($(1),0)
+	$$(Q)cp $(3)/stage0/$(CFG_LIBDIR)/rustlib/$(2)/$(CFG_LIBDIR)/* \
+		$(3)/stage0/$(CFG_LIBDIR)/rustc/$(2)/$(CFG_LIBDIR)/
+endif
 	$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(LIBRUSTC_GLOB_$(2)),$$(notdir $$@))
 	$$(call REMOVE_ALL_OLD_GLOB_MATCHES_EXCEPT,$$(dir $$@),$(LIBRUSTC_RGLOB_$(2)),$$(notdir $$@))
 	$$(STAGE$(1)_T_$(2)_H_$(3)) $$(WFLAGS_ST$(1)) \
@@ -166,6 +182,10 @@ $$(TBIN$(1)_T_$(2)_H_$(3))/rustc$$(X_$(3)):			\
 		$$(TLIB$(1)_T_$(2)_H_$(3))/$(CFG_LIBRUSTC_$(3)) \
 		| $$(TBIN$(1)_T_$(2)_H_$(3))/
 	@$$(call E, compile_and_link: $$@)
+ifeq ($(1),0)
+	$$(Q)cp $(3)/stage0/$(CFG_LIBDIR)/rustlib/$(2)/$(CFG_LIBDIR)/* \
+		$(3)/stage0/$(CFG_LIBDIR)/rustc/$(2)/$(CFG_LIBDIR)/
+endif
 	$$(STAGE$(1)_T_$(2)_H_$(3)) --cfg rustc -o $$@ $$<
 ifdef CFG_ENABLE_PAX_FLAGS
 	@$$(call E, apply PaX flags: $$@)

mk/tests.mk

@@ -108,7 +108,7 @@ ifdef CFG_WINDOWSY_$(1)
                stage2/$$(CFG_LIBDIR), \
                $$(if $$(findstring stage3,$$(1)), \
                     stage3/$$(CFG_LIBDIR), \
-               )))))/rustc/$$(CFG_BUILD)/$$(CFG_LIBDIR)
+               )))))/$$(CFG_RUSTLIBDIR)/$$(CFG_BUILD)/$$(CFG_LIBDIR)
   CFG_RUN_TEST_$(1)=$$(call CFG_RUN_$(1),$$(call CFG_TESTLIB_$(1),$$(1),$$(3)),$$(1))
 endif
 

src/etc/local_stage0.sh

@@ -2,6 +2,7 @@
 
 TARG_DIR=$1
 PREFIX=$2
+RUSTLIBDIR=$3
 
 LIB_DIR=lib
 LIB_PREFIX=lib
@@ -43,7 +44,7 @@ if [ -z $TARG_DIR ]; then
 fi
 
 cp ${PREFIX}/bin/rustc${BIN_SUF} ${TARG_DIR}/stage0/bin/
-cp ${PREFIX}/${LIB_DIR}/rustc/${TARG_DIR}/${LIB_DIR}/* ${TARG_DIR}/stage0/${LIB_DIR}/
+cp ${PREFIX}/${LIB_DIR}/${RUSTLIBDIR}/${TARG_DIR}/${LIB_DIR}/* ${TARG_DIR}/stage0/${LIB_DIR}/
 cp ${PREFIX}/${LIB_DIR}/${LIB_PREFIX}extra*${LIB_SUF} ${TARG_DIR}/stage0/${LIB_DIR}/
 cp ${PREFIX}/${LIB_DIR}/${LIB_PREFIX}rust*${LIB_SUF} ${TARG_DIR}/stage0/${LIB_DIR}/
 cp ${PREFIX}/${LIB_DIR}/${LIB_PREFIX}std*${LIB_SUF} ${TARG_DIR}/stage0/${LIB_DIR}/

src/librustc/back/rpath.rs

@@ -185,6 +185,7 @@ mod test {
     use back::rpath::{get_absolute_rpath, get_install_prefix_rpath};
     use back::rpath::{minimize_rpaths, rpaths_to_flags, get_rpath_relative_to_output};
     use syntax::abi;
+    use metadata::filesearch;
 
     #[test]
     fn test_rpaths_to_flags() {
@@ -196,7 +197,9 @@ mod test {
     fn test_prefix_rpath() {
         let res = get_install_prefix_rpath("triple");
         let mut d = Path::new(env!("CFG_PREFIX"));
-        d.push("lib/rustc/triple/lib");
+        d.push("lib");
+        d.push(filesearch::rustlibdir());
+        d.push("triple/lib");
         debug!("test_prefix_path: {} vs. {}",
                res,
                d.display());

src/librustc/metadata/filesearch.rs

@@ -157,7 +157,7 @@ pub fn relative_target_lib_path(target_triple: &str) -> Path {
     let dir = libdir();
     let mut p = Path::new(dir.as_slice());
     assert!(p.is_relative());
-    p.push("rustc");
+    p.push(rustlibdir());
     p.push(target_triple);
     p.push(dir);
     p
@@ -247,3 +247,9 @@ pub fn rust_path() -> ~[Path] {
 pub fn libdir() -> ~str {
     (env!("CFG_LIBDIR")).to_owned()
 }
+
+// The name of rustc's own place to organize libraries.
+// Used to be "rustc", now the default is "rustlib"
+pub fn rustlibdir() -> ~str {
+    (env!("CFG_RUSTLIBDIR")).to_owned()
+}

src/librustpkg/context.rs

@@ -12,6 +12,7 @@
 
 use extra::workcache;
 use rustc::driver::session;
+use rustc::metadata::filesearch::rustlibdir;
 
 use std::hashmap::HashSet;
 
@@ -168,13 +169,13 @@ impl Context {
     }
 }
 
-/// We assume that if ../../rustc exists, then we're running
+/// We assume that if ../../rustlib exists, then we're running
 /// rustpkg from a Rust target directory. This is part of a
 /// kludgy hack used to adjust the sysroot.
 pub fn in_target(sysroot: &Path) -> bool {
     debug!("Checking whether {} is in target", sysroot.display());
     let mut p = sysroot.dir_path();
-    p.set_filename("rustc");
+    p.set_filename(rustlibdir());
     p.is_dir()
 }