diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dd36c46..42b0f04 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,6 +33,15 @@ jobs:
       with:
         name: vitasdk-linux
         path: build/*.tar.bz2
+    - uses: svenstaro/upload-release-action@v2
+      if: contains(github.ref,'refs/heads/musl')
+      with:
+        repo_token: ${{ secrets.GITHUB_TOKEN }}
+        file: build/*.tar.bz2
+        overwrite: true
+        file_glob: true
+        tag: musl-linux-v${{github.run_number}}     
+        release_name: musl-linux-v${{github.run_number}}
   build-macos:
     runs-on: macos-10.15
     steps:
@@ -51,6 +60,15 @@ jobs:
       with:
         name: vitasdk-macos
         path: build/*.tar.bz2
+    - uses: svenstaro/upload-release-action@v2
+      if: contains(github.ref,'refs/heads/musl')
+      with:
+        repo_token: ${{ secrets.GITHUB_TOKEN }}
+        file: build/*.tar.bz2
+        overwrite: true
+        file_glob: true
+        tag: musl-macos-v${{github.run_number}}
+        release_name: musl-macos-v${{github.run_number}}
   build-windows:
     runs-on: ubuntu-latest
     container: ubuntu:14.04
@@ -79,3 +97,12 @@ jobs:
       with:
         name: vitasdk-windows
         path: build/*.tar.bz2
+    - uses: svenstaro/upload-release-action@v2
+      if: contains(github.ref,'refs/heads/musl')
+      with:
+        repo_token: ${{ secrets.GITHUB_TOKEN }}
+        file: build/*.tar.bz2
+        overwrite: true
+        file_glob: true
+        tag: musl-windows-v${{github.run_number}}
+        release_name: musl-windows-v${{github.run_number}}
diff --git a/.gitignore b/.gitignore
index 8d6e0f3..2e9213e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /build_linux
 /build_mingw
 /.idea
+/build
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1978e5d..35d7ad5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,11 +43,10 @@ set(GDB_HASH SHA256=360cd7ae79b776988e89d8f9a01c985d0b1fa21c767a4295e5f88cb49175
 
 # Branches to fetch the different project targets. Can be overriden from command line.
 set(LIBZIP_TAG master CACHE STRING "libzip branch name, commit id or tag")
-set(NEWLIB_TAG vita CACHE STRING "newlib branch name, commit id or tag")
+set(MUSL_TAG vita CACHE STRING "musl branch name, commit id or tag")
 set(SAMPLES_TAG master CACHE STRING "samples branch name, commit id or tag")
 set(HEADERS_TAG master CACHE STRING "vita-headers branch name, commit id or tag")
 set(TOOLCHAIN_TAG master CACHE STRING "vita-toolchain branch name, commit id or tag")
-set(PTHREAD_TAG master CACHE STRING "pthread-embedded branch name, commit id or tag")
 set(VDPM_TAG master CACHE STRING "vdpm branch name, commit id or tag")
 set(VITA_MAKEPKG_TAG master CACHE STRING "vita-makepkg branch name, commit id or tag")
 
@@ -416,13 +415,6 @@ list(APPEND compiler_target_tools
     CXX_FOR_TARGET=${binutils_prefix}-g++
     )
 
-# Compilers used to build pthread-embedded (no need to override PATH with this)
-list(APPEND pthread_tools
-    CC=${binutils_prefix}-gcc
-    CXX=${binutils_prefix}-g++
-    AR=${binutils_prefix}-ar
-    )
-
 if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
     # GCC on OSX (Clang in diguise) needs more bracket nesting depth to compile gcc
     set(GCC_CFLAGS "${GCC_CFLAGS} -fbracket-depth=512")
@@ -444,7 +436,6 @@ set(common_gcc_configure_args
     --disable-tls
     --with-gnu-as
     --with-gnu-ld
-    --with-newlib
     --disable-multilib
     --with-arch=armv7-a
     --with-tune=cortex-a9
@@ -458,7 +449,7 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
     list(APPEND common_gcc_configure_args "--with-host-libstdcxx=-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm")
 endif()
 
-# Build a basic gcc compiler, needed to compile newlib
+# Build a basic gcc compiler, needed to compile musl
 ExternalProject_add(gcc-base
     DEPENDS gmp_${build_suffix} mpfr_${build_suffix} mpc_${build_suffix} isl_${build_suffix} libelf_${build_suffix}
     URL http://ftp.gnu.org/gnu/gcc/gcc-${GCC_VERSION}/gcc-${GCC_VERSION}.tar.xz
@@ -474,6 +465,7 @@ ExternalProject_add(gcc-base
     --libdir=${toolchain_build_install_dir}/lib
     --libexecdir=${toolchain_build_install_dir}/lib
     --with-sysroot=${toolchain_build_install_dir}/${target_arch}
+    --with-native-system-header-dir=/include
     --with-gmp=${toolchain_build_depends_dir}
     --with-mpfr=${toolchain_build_depends_dir}
     --with-mpc=${toolchain_build_depends_dir}
@@ -514,30 +506,28 @@ ExternalProject_add(vita-headers
     ${UPDATE_DISCONNECTED_SUPPORT}
     )
 
-ExternalProject_Add(newlib
+ExternalProject_Add(musl
     DEPENDS binutils_${target_suffix} gcc-base vita-headers
-    GIT_REPOSITORY https://github.com/vitasdk/newlib
-    GIT_TAG ${NEWLIB_TAG}
+    GIT_REPOSITORY https://github.com/DaveeFTW/musl
+    GIT_TAG ${MUSL_TAG}
     ${GIT_SHALLOW_SUPPORT}
-    # Pass the compiler_target_tools here so newlib picks up the fresh gcc-base compiler
-    CONFIGURE_COMMAND ${compiler_flags} ${toolchain_tools} ${compiler_target_tools}
-    ${wrapper_command} <SOURCE_DIR>/configure "CFLAGS_FOR_TARGET=-g -O2 -ffunction-sections -fdata-sections"
+    # Pass the compiler_target_tools here so musl picks up the fresh gcc-base compiler
+    CONFIGURE_COMMAND ${compiler_flags} ${toolchain_tools} ${compiler_target_tools} "CC=${binutils_prefix}-gcc" "CROSS_COMPILE=${binutils_prefix}-"
+    ${wrapper_command} <SOURCE_DIR>/configure "CFLAGS=-g -O2 -ffunction-sections -fdata-sections -DSYSCALL_NO_INLINE -I${CMAKE_INSTALL_PREFIX}/${target_arch}/include"
     --build=${build_native}
     --host=${host_native}
     --target=${target_arch}
     # Use this prefix so the install target can be run twice with different paths
     --prefix=/
     --with-build-sysroot=${CMAKE_INSTALL_PREFIX}/${target_arch}
-    --enable-newlib-io-long-long
-    --enable-newlib-register-fini
-    --disable-newlib-supplied-syscalls
     --disable-nls
+    --disable-shared
     BUILD_COMMAND ${compiler_flags} ${toolchain_tools} ${wrapper_command} $(MAKE)
-    INSTALL_COMMAND $(MAKE) install DESTDIR=${CMAKE_INSTALL_PREFIX}
-    # Install a copy of newlib in the toolchain directory (required for pthread-embedded target)
+    INSTALL_COMMAND $(MAKE) install DESTDIR=${CMAKE_INSTALL_PREFIX}/${target_arch}
+    # Install a copy of musl in the toolchain directory (required for pthread-embedded target)
     COMMAND $(MAKE) install DESTDIR=${toolchain_build_install_dir}
     # Save the commit id for tracking purposes
-    COMMAND ${GIT_EXECUTABLE} -C <SOURCE_DIR> rev-parse HEAD > ${CMAKE_BINARY_DIR}/newlib-version.txt
+    COMMAND ${GIT_EXECUTABLE} -C <SOURCE_DIR> rev-parse HEAD > ${CMAKE_BINARY_DIR}/musl-version.txt
     ${UPDATE_DISCONNECTED_SUPPORT}
     )
 
@@ -545,7 +535,7 @@ ExternalProject_Add(newlib
 # Using gcc-base doesn't work since is missing some headers.
 if(CMAKE_TOOLCHAIN_FILE)
     ExternalProject_add(gcc-complete
-        DEPENDS newlib gmp_${build_suffix} mpfr_${build_suffix} mpc_${build_suffix} isl_${build_suffix} libelf_${build_suffix}
+        DEPENDS musl gmp_${build_suffix} mpfr_${build_suffix} mpc_${build_suffix} isl_${build_suffix} libelf_${build_suffix}
         URL http://ftp.gnu.org/gnu/gcc/gcc-${GCC_VERSION}/gcc-${GCC_VERSION}.tar.xz
         URL_HASH ${GCC_HASH}
         DOWNLOAD_DIR ${DOWNLOAD_DIR}
@@ -580,25 +570,9 @@ else()
     set(GCC_DEPENDS gcc-base)
 endif()
 
-ExternalProject_Add(pthread-embedded
-    DEPENDS binutils_${target_suffix} gcc-base newlib vita-headers
-    GIT_REPOSITORY https://github.com/vitasdk/pthread-embedded
-    GIT_TAG ${PTHREAD_TAG}
-    ${GIT_SHALLOW_SUPPORT}
-    # TODO: this project should have a proper makefile to support out-of-source builds
-    BUILD_IN_SOURCE 1
-    CONFIGURE_COMMAND ""
-    BUILD_COMMAND ${compiler_flags} ${wrapper_command} $(MAKE)
-    -C <SOURCE_DIR>/platform/vita ${pthread_tools} PREFIX=${CMAKE_INSTALL_PREFIX}
-    INSTALL_COMMAND $(MAKE) -C <SOURCE_DIR>/platform/vita PREFIX=${CMAKE_INSTALL_PREFIX}/${target_arch} install
-    # Save the commit id for tracking purposes
-    COMMAND ${GIT_EXECUTABLE} -C <SOURCE_DIR> rev-parse HEAD > ${CMAKE_BINARY_DIR}/pthread-embedded-version.txt
-    ${UPDATE_DISCONNECTED_SUPPORT}
-    )
-
 ExternalProject_add(gcc-final
     DEPENDS gmp_${target_suffix} mpfr_${target_suffix} mpc_${target_suffix} isl_${target_suffix} libelf_${target_suffix}
-    DEPENDS newlib ${GCC_DEPENDS} pthread-embedded
+    DEPENDS musl ${GCC_DEPENDS}
     URL http://ftp.gnu.org/gnu/gcc/gcc-${GCC_VERSION}/gcc-${GCC_VERSION}.tar.xz
     URL_HASH ${GCC_HASH}
     DOWNLOAD_DIR ${DOWNLOAD_DIR}
@@ -612,6 +586,8 @@ ExternalProject_add(gcc-final
     --libdir=${CMAKE_INSTALL_PREFIX}/lib
     --libexecdir=${CMAKE_INSTALL_PREFIX}/lib
     --with-sysroot=${CMAKE_INSTALL_PREFIX}/${target_arch}
+    --with-build-sysroot=${CMAKE_INSTALL_PREFIX}/${target_arch}
+    --with-native-system-header-dir=/include
     --with-gmp=${toolchain_target_depends_dir}
     --with-mpfr=${toolchain_target_depends_dir}
     --with-mpc=${toolchain_target_depends_dir}
@@ -722,13 +698,13 @@ set(version_info_file ${CMAKE_INSTALL_PREFIX}/version_info.txt)
 add_custom_command(OUTPUT ${version_info_file}
     COMMAND ${CMAKE_COMMAND} -DINPUT_DIR=${CMAKE_BINARY_DIR} -DOUTPUT_FILE=${version_info_file}
     -P ${CMAKE_SOURCE_DIR}/cmake/create_version.cmake
-    DEPENDS vita-headers vita-toolchain_${target_suffix} newlib pthread-embedded samples
+    DEPENDS vita-headers vita-toolchain_${target_suffix} musl samples
     COMMENT "Creating version_info.txt"
     )
 
 add_custom_command(OUTPUT "vitasdk-${host_native}-${build_date}.tar.bz2"
     COMMAND ${CMAKE_COMMAND} -E tar "cfvj" "vitasdk-${host_native}-${build_date}.tar.bz2" "${CMAKE_INSTALL_PREFIX}"
-    DEPENDS vita-toolchain_${target_suffix} binutils_${target_suffix} gdb_${target_suffix} vita-headers newlib pthread-embedded samples vdpm vita-makepkg
+    DEPENDS vita-toolchain_${target_suffix} binutils_${target_suffix} gdb_${target_suffix} vita-headers musl samples vdpm vita-makepkg
     DEPENDS gcc-final ${version_info_file}
     COMMENT "Creating vitasdk-${host_os}-${build_date}.tar.bz2"
     )
diff --git a/README.md b/README.md
index 078c4e7..a427ea0 100644
--- a/README.md
+++ b/README.md
@@ -33,14 +33,14 @@ You can pass then on the cmake phrase like this `cmake .. -DFOO=ON`.
 
 If you want to fetch an specific revision of a part of the toolchain
 then you can pass the branch/tag/id from the command line. The available
-values are `NEWLIB_TAG`, `TOOLCHAIN_TAG`, `PTHREAD_TAG`, `HEADERS_TAG`
+values are `MUSL_TAG`, `TOOLCHAIN_TAG`, `HEADERS_TAG`
 and `SAMPLES_TAG`. For example:
 
 ``` sh
-cmake /path/to/cmakelists -DNEWLIB_TAG=0254c2dc0c2686f69580030af3cacc795c94d616
+cmake /path/to/cmakelists -DMUSL_TAG=0254c2dc0c2686f69580030af3cacc795c94d616
 ```
 
-This will configure the vitasdk to use that newlib commit instead of the `vita` branch.
+This will configure the vitasdk to use that musl commit instead of the `vita` branch.
 
 If you need to change the download directory used for the tarballs then do the following,
 for example:
diff --git a/cmake/create_version.cmake b/cmake/create_version.cmake
index 3cdbde1..e445cd3 100644
--- a/cmake/create_version.cmake
+++ b/cmake/create_version.cmake
@@ -2,13 +2,11 @@ string(TIMESTAMP BUILD_DATE "%Y-%m-%d %H:%M:%S" UTC)
 
 file(READ ${INPUT_DIR}/vita-toolchain-version.txt _toolchain_sha1)
 file(READ ${INPUT_DIR}/vita-headers-version.txt _headers_sha1)
-file(READ ${INPUT_DIR}/newlib-version.txt _newlib_sha1)
-file(READ ${INPUT_DIR}/pthread-embedded-version.txt _pthread_sha1)
+file(READ ${INPUT_DIR}/musl-version.txt _musl_sha1)
 file(READ ${INPUT_DIR}/samples-version.txt _samples_sha1)
 
 file(WRITE ${OUTPUT_FILE} "Built at ${BUILD_DATE}\n")
-file(APPEND ${OUTPUT_FILE} "newlib            ${_newlib_sha1}")
-file(APPEND ${OUTPUT_FILE} "pthread-embedded  ${_pthread_sha1}")
+file(APPEND ${OUTPUT_FILE} "musl            ${_musl_sha1}")
 file(APPEND ${OUTPUT_FILE} "samples           ${_samples_sha1}")
 file(APPEND ${OUTPUT_FILE} "vita-headers      ${_headers_sha1}")
 file(APPEND ${OUTPUT_FILE} "vita-toolchain    ${_toolchain_sha1}")
diff --git a/patches/gcc/0001-gcc-8.patch b/patches/gcc/0001-gcc-8.patch
index 852dc19..ff083d1 100644
--- a/patches/gcc/0001-gcc-8.patch
+++ b/patches/gcc/0001-gcc-8.patch
@@ -37,7 +37,51 @@ index 4f57765b0..a4d5ffb14 100644
 +#undef LIB_SPEC
  #ifndef LIB_SPEC
 -#define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}"
-+#define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}} -lSceRtc_stub -lSceSysmem_stub -lSceKernelThreadMgr_stub -lSceKernelModulemgr_stub -lSceIofilemgr_stub -lSceProcessmgr_stub -lSceLibKernel_stub -lSceNet_stub"
++#define LIB_SPEC "%{!shared:%{g*:-lc} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}} -lSceRtc_stub -lSceSysmem_stub -lSceKernelThreadMgr_stub -lSceKernelModulemgr_stub -lSceIofilemgr_stub -lSceProcessmgr_stub -lSceLibKernel_stub -lSceNet_stub"
  #endif
  
  /* When using -fsplit-stack we need to wrap pthread_create, in order
+ 
+diff -ru a/libstdc++-v3/configure b/libstdc++-v3/configure
+--- a/libstdc++-v3/configure
++++ b/libstdc++-v3/configure
+@@ -5369,13 +5369,6 @@ $as_echo "$as_me: OS config directory is $os_include_dir" >&6;}
+ 
+ 
+ 
+-# Libtool setup.
+-if test "x${with_newlib}" != "xyes"; then
+-  enable_dlopen=yes
+-
+-
+-
+-fi
+ case `pwd` in
+   *\ * | *\    *)
+     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
+ 
+diff -ru a/libstdc++-v3/configure b/libstdc++-v3/configure
+--- a/libstdc++-v3/configure
++++ b/libstdc++-v3/configure
+@@ -48457,7 +48457,7 @@
+        ;;
+     esac
+     ;;
+-  *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-cygwin* | *-solaris*)
++  *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-cygwin* | *-solaris* | arm-vita-eabi*)
+ 
+   # All these tests are for C++; save the language and the compiler flags.
+   # The CXXFLAGS thing is suspicious, but based on similar bits previously
+
+diff -ru a/gcc/config/arm/unknown-elf.h b/gcc/config/arm/unknown-elf.h
+--- a/gcc/config/arm/unknown-elf.h
++++ b/gcc/config/arm/unknown-elf.h
+@@ -29,7 +29,7 @@
+ #endif
+ 
+ /* Now we define the strings used to build the spec file.  */
+-#define UNKNOWN_ELF_STARTFILE_SPEC	" crti%O%s crtbegin%O%s crt0%O%s"
++#define UNKNOWN_ELF_STARTFILE_SPEC	" crti%O%s crtbegin%O%s crt1%O%s"
+ 
+ #undef  STARTFILE_SPEC
+ #define STARTFILE_SPEC	\