From 0f9d2ac0e437a0b80ffb72cb7ab2e6d898d46f3e Mon Sep 17 00:00:00 2001
From: deadprogram <ron@hybridgroup.com>
Date: Wed, 1 Dec 2021 00:59:44 +0100
Subject: [PATCH] docker: update Dockerfile for dev build for LLVM 12 changes

Signed-off-by: deadprogram <ron@hybridgroup.com>
---
 Dockerfile | 90 +++++++++++++++---------------------------------------
 1 file changed, 25 insertions(+), 65 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index e21b29ad..f6a65515 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,22 @@
-# TinyGo base stage installs the most recent Go 1.17.x, LLVM 11 and the TinyGo compiler itself.
-FROM golang:1.17 AS tinygo-base
+# tinygo-llvm stage obtains the llvm source for TinyGo
+FROM golang:1.17 AS tinygo-llvm
 
-RUN wget -O- https://apt.llvm.org/llvm-snapshot.gpg.key| apt-key add - && \
-    echo "deb http://apt.llvm.org/bullseye/ llvm-toolchain-bullseye-11 main" >> /etc/apt/sources.list && \
-    apt-get update && \
-    apt-get install -y llvm-11-dev libclang-11-dev lld-11 git
+RUN apt-get update && \
+    apt-get install -y apt-utils make cmake clang-11 binutils-avr gcc-avr avr-libc ninja-build
+
+COPY ./Makefile /tinygo/Makefile
+
+RUN cd /tinygo/ && \
+    make llvm-source
+
+# tinygo-llvm-build stage build the custom llvm with xtensa support
+FROM tinygo-llvm AS tinygo-llvm-build
+
+RUN cd /tinygo/ && \
+    make llvm-build
+
+# tinygo-compiler stage builds the compiler itself
+FROM tinygo-llvm-build AS tinygo-compiler
 
 COPY . /tinygo
 
@@ -15,66 +27,14 @@ RUN cd /tinygo/ && \
     git submodule sync && \
     git submodule update --init --recursive --force
 
-COPY ./lib/picolibc-stdio.c /tinygo/lib/picolibc-stdio.c
+RUN cd /tinygo/ && \
+    make
+
+# tinygo-tools stage installs the needed dependencies to compile TinyGo programs for all platforms.
+FROM tinygo-compiler AS tinygo-tools
 
 RUN cd /tinygo/ && \
-    go install /tinygo/
-
-# tinygo-wasm stage installs the needed dependencies to compile TinyGo programs for WASM.
-FROM tinygo-base AS tinygo-wasm
-
-COPY --from=tinygo-base /go/bin/tinygo /go/bin/tinygo
-COPY --from=tinygo-base /tinygo/src /tinygo/src
-COPY --from=tinygo-base /tinygo/targets /tinygo/targets
-
-RUN cd /tinygo/ && \
-    apt-get update && \
-    apt-get install -y make clang-11 libllvm11 lld-11 cmake ninja-build && \
-    mkdir build && \
-    make wasi-libc binaryen
-
-# tinygo-avr stage installs the needed dependencies to compile TinyGo programs for AVR microcontrollers.
-FROM tinygo-base AS tinygo-avr
-
-COPY --from=tinygo-base /go/bin/tinygo /go/bin/tinygo
-COPY --from=tinygo-base /tinygo/src /tinygo/src
-COPY --from=tinygo-base /tinygo/targets /tinygo/targets
-COPY --from=tinygo-base /tinygo/Makefile /tinygo/
-COPY --from=tinygo-base /tinygo/tools /tinygo/tools
-COPY --from=tinygo-base /tinygo/lib /tinygo/lib
-
-RUN cd /tinygo/ && \
-    apt-get update && \
-    apt-get install -y apt-utils make binutils-avr gcc-avr avr-libc && \
-    make gen-device-avr && \
-    apt-get autoremove -y && \
-    apt-get clean
-
-# tinygo-arm stage installs the needed dependencies to compile TinyGo programs for ARM microcontrollers.
-FROM tinygo-base AS tinygo-arm
-
-COPY --from=tinygo-base /go/bin/tinygo /go/bin/tinygo
-COPY --from=tinygo-base /tinygo/src /tinygo/src
-COPY --from=tinygo-base /tinygo/targets /tinygo/targets
-COPY --from=tinygo-base /tinygo/Makefile /tinygo/
-COPY --from=tinygo-base /tinygo/tools /tinygo/tools
-COPY --from=tinygo-base /tinygo/lib /tinygo/lib
-
-RUN cd /tinygo/ && \
-    apt-get update && \
-    apt-get install -y apt-utils make clang-11 && \
-    make gen-device-nrf && make gen-device-stm32
-
-# tinygo-all stage installs the needed dependencies to compile TinyGo programs for all platforms.
-FROM tinygo-wasm AS tinygo-all
-
-COPY --from=tinygo-base /tinygo/Makefile /tinygo/
-COPY --from=tinygo-base /tinygo/tools /tinygo/tools
-COPY --from=tinygo-base /tinygo/lib /tinygo/lib
-
-RUN cd /tinygo/ && \
-    apt-get update && \
-    apt-get install -y apt-utils make clang-11 binutils-avr gcc-avr avr-libc && \
-    make gen-device
+    make wasi-libc binaryen && \
+    make gen-device -j4
 
 CMD ["tinygo"]