GNU autoconf based build script and Github Actions CI

.github/workflows/build.yml

@@ -0,0 +1,66 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: Toolchain build
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install build-essential build-essential texinfo \
+            flex bison libmpfr-dev libgmp-dev libmpc-dev zip libdebuginfod-dev \
+            gcc-mingw-w64 g++-mingw-w64
+
+      - name: Build Linux
+        run: |
+          mkdir build-linux
+          cd build-linux
+          export CFLAGS="-O2"
+          export CXXFLAGS="-O2"
+          export LDFLAGS="-static -s"
+          ../configure --prefix /opt/gcc/linux
+          make -j$(nproc)
+
+      - name: Build Win32
+        run: |
+          cd build-linux/build-newlib
+          make install prefix=/opt/gcc/win32
+          cd ../..
+          mkdir build-win32
+          cd build-win32
+          export CFLAGS="-O2"
+          export CXXFLAGS="-O2"
+          export LDFLAGS="-static -s"
+          ../configure --prefix /opt/gcc/win32 --with-host=x86_64-w64-mingw32
+          make -j$(nproc) stamps/build-binutils-tc
+          export PATH="/opt/gcc/linux/bin:$PATH"
+          make -j$(nproc) stamps/build-gcc-stage2-only
+
+      - name: Package
+        run: |
+          cd /opt/gcc/linux
+          zip -r9 ../linux.zip .
+          cd /opt/gcc/win32
+          zip -r9 ../win32.zip .
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          if-no-files-found: error
+          name: tricore-gcc-artifacts
+          path: /opt/gcc/*.zip

.github/workflows/release.yml

@@ -0,0 +1,42 @@
+name: Release
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Publish Release artifacts
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Extract commit SHA
+        shell: bash
+        run: |
+          echo "SHORT_SHA=$(git rev-parse --short "$GITHUB_SHA")" >> "$GITHUB_ENV"
+
+      - name: Download artifacts from latest workflow
+        uses: dawidd6/action-download-artifact@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          workflow: build.yml
+          branch: ${{ github.event.release.target_commitish }}
+          workflow_conclusion: success
+          skip_unpack: false
+
+      - name: Rename build artifacts
+        run: |
+          mv tricore-gcc-artifacts/linux.zip tricore-gcc-11.3.1-${{ env.SHORT_SHA }}-linux.zip
+          mv tricore-gcc-artifacts/win32.zip tricore-gcc-11.3.1-${{ env.SHORT_SHA }}-win32.zip
+
+      - name: Push release artifacts
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            *.zip

.gitignore

@@ -1,8 +1,3 @@
-# Build folder
-BUILD
-
-# Install folder
-INSTALL
-
-# Log folder
-LOG
+autom4te.cache
+configure~
+BUILD

Makefile.in

@@ -0,0 +1,226 @@
+srcdir := @abs_top_srcdir@
+builddir := @abs_top_builddir@
+INSTALL_DIR := @prefix@
+
+BINUTILS_SRCDIR := @with_binutils_src@
+NEWLIB_SRCDIR := @with_newlib_src@
+GCC_SRCDIR := @with_gcc_src@
+
+CONFIGURE_HOST = @configure_host@
+
+all: stamps/build-gcc-stage2
+
+clean-binutils-tc:
+	rm -rf build-binutils-tc stamps/build-binutils-tc
+
+clean-binutils-mcs:
+	rm -rf build-binutils-mcs stamps/build-binutils-mcs
+
+clean-gcc-stage1:
+	rm -rf build-gcc-stage1 stamps/build-gcc-stage1
+
+clean-newlib:
+	rm -rf build-newlib stamps/build-newlib
+
+clean-gcc-stage2:
+	rm -rf build-gcc-stage2 stamps/build-gcc-stage2
+
+clean-gcc-stage2-only:
+	rm -rf build-gcc-stage2-only stamps/build-gcc-stage2-only
+
+clean:
+	rm -rf build-* stamps
+
+stamps/install-deps: $(GCC_SRCDIR)
+	if test -f $</contrib/download_prerequisites; then cd $< && ./contrib/download_prerequisites; fi
+	mkdir -p $(dir $@) && touch $@
+
+stamps/build-binutils-mcs: $(BINUTILS_SRCDIR)
+	rm -rf $@ $(notdir $@)
+	mkdir $(notdir $@)
+	cd $(notdir $@) && $</configure \
+		--target=mcs-elf \
+		--program-prefix=mcs-elf- \
+		--prefix=$(INSTALL_DIR) \
+		$(CONFIGURE_HOST) \
+		--disable-threads \
+		--enable-nls \
+		--disable-itcl \
+		--disable-tk \
+		--disable-tcl \
+		--disable-winsup \
+		--disable-gdbtk \
+		--disable-libgui \
+		--disable-rda \
+		--disable-sid \
+		--disable-sim \
+		--disable-gdb \
+		--disable-newlib \
+		--disable-libgloss \
+		--disable-test-suite \
+		--enable-checking=release \
+		--with-gnu-ld \
+		--with-gnu-as \
+		--disable-werror
+	$(MAKE) -C $(notdir $@)
+	$(MAKE) -C $(notdir $@) install
+	mkdir -p $(dir $@) && touch $@
+
+stamps/build-binutils-tc: $(BINUTILS_SRCDIR) stamps/build-binutils-mcs
+	rm -rf $@ $(notdir $@)
+	mkdir $(notdir $@)
+	cd $(notdir $@) && $</configure \
+		--target=tricore-elf \
+		--enable-targets=mcs-elf \
+		--program-prefix=tricore-elf- \
+		--prefix=$(INSTALL_DIR) \
+		$(CONFIGURE_HOST) \
+		--disable-threads \
+		--enable-nls \
+		--disable-itcl \
+		--disable-tk \
+		--disable-tcl \
+		--disable-winsup \
+		--disable-gdbtk \
+		--disable-libgui \
+		--disable-rda \
+		--disable-sid \
+		--disable-sim \
+		--disable-gdb \
+		--disable-newlib \
+		--disable-libgloss \
+		--disable-test-suite \
+		--enable-checking=release \
+		--with-gnu-ld \
+		--with-gnu-as \
+		--disable-werror
+	$(MAKE) -C $(notdir $@)
+	$(MAKE) -C $(notdir $@) install
+	mkdir -p $(dir $@) && touch $@
+
+stamps/build-gcc-stage1: $(GCC_SRCDIR) stamps/install-deps stamps/build-binutils-tc
+	rm -rf $@ $(notdir $@)
+	mkdir $(notdir $@)
+	cd $(notdir $@) && $</configure \
+		CFLAGS_FOR_TARGET='-g -O2 -gdwarf-3' \
+		CXXFLAGS_FOR_TARGET='-g -O2 -gdwarf-3' \
+		--target=tricore-elf \
+		--prefix=$(INSTALL_DIR) \
+		--enable-lib32 \
+		--disable-lib64 \
+		--enable-languages=c,c++ \
+		--enable-libstdcxx-debug-flags='-gdwarf-3 -g -O0 -D_GLIBCXX_ASSERTIONS' \
+		--enable-c99 \
+		--enable-long-long \
+		--enable-checking \
+		--enable-nls \
+		--enable-static \
+		--disable-threads \
+		--disable-shared \
+		--with-headers=yes \
+		--with-newlib=yes \
+		--enable-mingw-wildcard \
+		--disable-libstdcxx-pch \
+		--enable-newlib-elix-level=3 \
+		--enable-newlib-io-long-long \
+		--disable-newlib-supplied-syscalls \
+		--disable-libssp \
+		--disable-test-suite
+	$(MAKE) -C $(notdir $@) all-gcc
+	$(MAKE) -C $(notdir $@) install-gcc
+	mkdir -p $(dir $@) && touch $@
+
+stamps/build-newlib: $(NEWLIB_SRCDIR) stamps/build-gcc-stage1
+	rm -rf $@ $(notdir $@)
+	mkdir $(notdir $@)
+	cd $(notdir $@) && $</configure \
+		CC_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-gcc \
+		CXX_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-c++ \
+		GCC_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-gcc \
+		AR_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-ar \
+		AS_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-as \
+		LD_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-ld \
+		NM_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-nm \
+		OBJDUMP_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-objdump \
+		RANLIB_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-ranlib \
+		STRIP_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-strip \
+		READELF_FOR_TARGET=$(INSTALL_DIR)/bin/tricore-elf-readelf \
+		CFLAGS_FOR_TARGET='-g -gdwarf-3 -O2 -ffunction-sections -mfast-div -fno-common' \
+		CXXFLAGS_FOR_TARGET='-g -gdwarf-3 -O2  -ffunction-sections -mfast-div -fno-common' \
+		--target=tricore-elf \
+		--prefix=$(INSTALL_DIR) \
+		--host=i686-w64-mingw32 \
+		--build=i686-pc-mingw32
+	$(MAKE) -C $(notdir $@) all
+	$(MAKE) -C $(notdir $@) install
+	mkdir -p $(dir $@) && touch $@
+
+stamps/build-gcc-stage2: $(GCC_SRCDIR) stamps/install-deps stamps/build-newlib
+	rm -rf $@ $(notdir $@)
+	mkdir $(notdir $@)
+	cd $(notdir $@) && PATH=$(INSTALL_DIR)/bin:$$PATH $</configure \
+		CFLAGS_FOR_TARGET='-g -gdwarf-3 -O2 -ffast-math -ffunction-sections -mfast-div -fno-common -mno-eabi-bitfield-limit' \
+		CPPFLAGS_FOR_TARGET='-g -gdwarf-3 -O2 -ffast-math -ffunction-sections -mfast-div -fno-common -mno-eabi-bitfield-limit' \
+		--target=tricore-elf \
+		--enable-lib32 \
+		--disable-lib64 \
+		--prefix=$(INSTALL_DIR) \
+		$(CONFIGURE_HOST) \
+		--enable-languages=c,c++ \
+		--enable-libstdcxx-debug-flags='-gdwarf-3 -g -O0 -D_GLIBCXX_ASSERTIONS' \
+		--enable-c99 \
+		--enable-long-long \
+		--enable-checking \
+		--enable-nls \
+		--enable-static \
+		--disable-threads \
+		--disable-shared \
+		--with-headers=yes \
+		--with-gnu-ld \
+		--with-gnu-as \
+		--with-newlib=yes \
+		--enable-mingw-wildcard \
+		--disable-libstdcxx-pch \
+		--enable-newlib-elix-level=3 \
+		--enable-newlib-io-long-long \
+		--disable-newlib-supplied-syscalls \
+		--disable-libssp \
+		--disable-test-suite
+	$(MAKE) -C $(notdir $@) all
+	$(MAKE) -C $(notdir $@) install
+	mkdir -p $(dir $@) && touch $@
+
+stamps/build-gcc-stage2-only: $(GCC_SRCDIR) stamps/install-deps
+	rm -rf $@ $(notdir $@)
+	mkdir $(notdir $@)
+	cd $(notdir $@) && $</configure \
+		CFLAGS_FOR_TARGET='-g -gdwarf-3 -O2 -ffast-math -ffunction-sections -mfast-div -fno-common -mno-eabi-bitfield-limit' \
+		CPPFLAGS_FOR_TARGET='-g -gdwarf-3 -O2 -ffast-math -ffunction-sections -mfast-div -fno-common -mno-eabi-bitfield-limit' \
+		--target=tricore-elf \
+		--enable-lib32 \
+		--disable-lib64 \
+		--prefix=$(INSTALL_DIR) \
+		$(CONFIGURE_HOST) \
+		--enable-languages=c,c++ \
+		--enable-libstdcxx-debug-flags='-gdwarf-3 -g -O0 -D_GLIBCXX_ASSERTIONS' \
+		--enable-c99 \
+		--enable-long-long \
+		--enable-checking \
+		--enable-nls \
+		--enable-static \
+		--disable-threads \
+		--disable-shared \
+		--with-headers=yes \
+		--with-gnu-ld \
+		--with-gnu-as \
+		--with-newlib=yes \
+		--enable-mingw-wildcard \
+		--disable-libstdcxx-pch \
+		--enable-newlib-elix-level=3 \
+		--enable-newlib-io-long-long \
+		--disable-newlib-supplied-syscalls \
+		--disable-libssp \
+		--disable-test-suite
+	$(MAKE) -C $(notdir $@) all
+	$(MAKE) -C $(notdir $@) install
+	mkdir -p $(dir $@) && touch $@