mk: Get "make check" passing with --disable-rpath

This involves passing through LD_LIBRARY_PATH through more places, specifically
in the compiletest, run-make, and doctest runners.

src/compiletest/procsrv.rs

@@ -36,8 +36,26 @@ fn target_env(lib_path: &str, prog: &str) -> ~[(~str,~str)] {
 #[cfg(target_os = "linux")]
 #[cfg(target_os = "macos")]
 #[cfg(target_os = "freebsd")]
-fn target_env(_lib_path: &str, _prog: &str) -> ~[(~str,~str)] {
-    os::env()
+fn target_env(lib_path: &str, prog: &str) -> ~[(~str,~str)] {
+    // Make sure we include the aux directory in the path
+    let aux_path = prog + ".libaux";
+
+    let mut env = os::env();
+    let var = if cfg!(target_os = "macos") {
+        "DYLD_LIBRARY_PATH"
+    } else {
+        "LD_LIBRARY_PATH"
+    };
+    let prev = match env.iter().position(|&(ref k, _)| k.as_slice() == var) {
+        Some(i) => env.remove(i).unwrap().val1(),
+        None => ~"",
+    };
+    env.push((var.to_owned(), if prev.is_empty() {
+        lib_path + ":" + aux_path
+    } else {
+        lib_path + ":" + aux_path + ":" + prev
+    }));
+    return env;
 }
 
 pub struct Result {status: ProcessExit, out: ~str, err: ~str}

src/etc/maketest.py

@@ -17,6 +17,9 @@ os.putenv('TMPDIR', os.path.abspath(sys.argv[3]))
 os.putenv('CC', sys.argv[4])
 os.putenv('RUSTDOC', os.path.abspath(sys.argv[5]))
 filt = sys.argv[6]
+ldpath = sys.argv[7]
+if ldpath != '':
+    os.putenv(ldpath.split('=')[0], ldpath.split('=')[1])
 
 if not filt in sys.argv[1]:
     sys.exit(0)

src/test/run-make/bootstrap-from-c-with-green/Makefile

@@ -3,7 +3,7 @@
 all:
 	$(RUSTC) lib.rs -C gen-crate-map
 	ln -nsf $(call DYLIB,boot-*) $(call DYLIB,boot)
-	$(CC) main.c -o $(call RUN,main) -lboot -Wl,-rpath,$(TMPDIR)
+	$(CC) main.c -o $(call RUN,main) -lboot
 	$(call RUN,main)
 	rm $(call DYLIB,boot)
 	$(call FAIL,main)

src/test/run-make/bootstrap-from-c-with-native/Makefile

@@ -3,7 +3,7 @@
 all:
 	$(RUSTC) lib.rs -C gen-crate-map
 	ln -nsf $(call DYLIB,boot-*) $(call DYLIB,boot)
-	$(CC) main.c -o $(call RUN,main) -lboot -Wl,-rpath,$(TMPDIR)
+	$(CC) main.c -o $(call RUN,main) -lboot
 	$(call RUN,main)
 	rm $(call DYLIB,boot)
 	$(call FAIL,main)

src/test/run-make/c-dynamic-dylib/Makefile

@@ -1,10 +1,5 @@
 -include ../tools.mk
 
-# needed so that libfoo can find libcfoo
-ifeq ($(shell uname),Linux)
-export LD_LIBRARY_PATH := $(TMPDIR)
-endif
-
 # This hits an assertion in the linker on older versions of osx apparently
 ifeq ($(shell uname),Darwin)
 all:

src/test/run-make/tools.mk

@@ -1,3 +1,6 @@
+export LD_LIBRARY_PATH:=$(TMPDIR):$(LD_LIBRARY_PATH)
+export DYLD_LIBRARY_PATH:=$(TMPDIR):$(DYLD_LIBRARY_PATH)
+
 RUSTC := $(RUSTC) --out-dir $(TMPDIR) -L $(TMPDIR)
 CC := $(CC) -L $(TMPDIR)