Fix travis

.travis.yml

@@ -30,6 +30,13 @@ env:
     - ARCH="x86_64" SRC="biscuit"
     - ARCH="aarch64" SRC="biscuit"
 
+
+# no musl gcc
+allow_failures:
+  matrix:
+    - ARCH="x86_64" SRC="biscuit"
+    - ARCH="aarch64" SRC="biscuit"
+
 install:
   - if [ $ARCH = riscv32 ] || [ $ARCH = riscv64 ]; then
     [ $TRAVIS_OS_NAME = linux ] && export FILE="riscv64-unknown-elf-gcc-8.1.0-2019.01.0-x86_64-linux-ubuntu14";

Makefile

@@ -47,8 +47,8 @@ ifneq ($(arch), x86_64)
 	@cp $(ucore_bin_path)/* $(out_dir)/ucore
 endif
 
-ifeq ($(biscuit), yes)
 biscuit:
+ifeq ($(biscuit), yes)
 ifeq ($(arch), $(filter $(arch), x86_64 aarch64 riscv64))
 	@echo Building biscuit programs
 	@mkdir -p biscuit/build

rust/Cargo.lock

@@ -26,7 +26,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "isomorphic_drivers"
 version = "0.1.0"
-source = "git+https://github.com/rcore-os/isomorphic_drivers#a564ac855887a823dac80529ec4138194583905d"
+source = "git+https://github.com/rcore-os/isomorphic_drivers#836e91fca59e4f4eb86a1f10c246d9c8cb5d1fad"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",