From cf5d59cd4357d06f3e9c64f6ea652d5378ba5c35 Mon Sep 17 00:00:00 2001
From: wargio <wargio@libero.it>
Date: Sat, 17 Sep 2022 16:22:54 +0200
Subject: [PATCH 1/2] Support portable build without intrinsics

---
 .github/workflows/ci.yml | 14 ++++++++++++++
 c/blake3_dispatch.c      |  2 +-
 c/blake3_impl.h          |  1 -
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d7d754fc..6b2bf71e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -233,3 +233,17 @@ jobs:
     - name: build b3sum
       run: cargo build --target aarch64-apple-darwin
       working-directory: ./b3sum
+
+  build_tinycc:
+    name: build with the Tiny C Compiler
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: install TCC
+      run: apt-get install -y tcc
+    - name: compile
+      run: >
+        tcc -shared -O3 -o libblake3.so \
+          -DBLAKE3_NO_SSE2 -DBLAKE3_NO_SSE41 -DBLAKE3_NO_AVX2 -DBLAKE3_NO_AVX512 \
+          blake3.c blake3_dispatch.c blake3_portable.c
+      working-directory: ./c
\ No newline at end of file
diff --git a/c/blake3_dispatch.c b/c/blake3_dispatch.c
index 95213dbd..0f348efa 100644
--- a/c/blake3_dispatch.c
+++ b/c/blake3_dispatch.c
@@ -10,7 +10,7 @@
 #elif defined(__GNUC__)
 #include <immintrin.h>
 #else
-#error "Unimplemented!"
+#undef IS_X86 /* Unimplemented! */
 #endif
 #endif
 
diff --git a/c/blake3_impl.h b/c/blake3_impl.h
index cc5672f2..46c8fd85 100644
--- a/c/blake3_impl.h
+++ b/c/blake3_impl.h
@@ -46,7 +46,6 @@ enum blake3_flags {
 #if defined(_MSC_VER)
 #include <intrin.h>
 #endif
-#include <immintrin.h>
 #endif
 
 #if !defined(BLAKE3_USE_NEON) 

From 9abc602848cea28c5d4a04b4d777b81f2196707b Mon Sep 17 00:00:00 2001
From: Giovanni <561184+wargio@users.noreply.github.com>
Date: Wed, 12 Oct 2022 00:27:22 +0200
Subject: [PATCH 2/2] Add missing sudo in ci.yml

---
 .github/workflows/ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6b2bf71e..2147cbdb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -240,10 +240,10 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: install TCC
-      run: apt-get install -y tcc
+      run: sudo apt-get install -y tcc
     - name: compile
       run: >
         tcc -shared -O3 -o libblake3.so \
           -DBLAKE3_NO_SSE2 -DBLAKE3_NO_SSE41 -DBLAKE3_NO_AVX2 -DBLAKE3_NO_AVX512 \
           blake3.c blake3_dispatch.c blake3_portable.c
-      working-directory: ./c
\ No newline at end of file
+      working-directory: ./c