commit 3dc29cc300f620e47884991e764e0af5cdab17ac
Author: mid-kid <esteve.varela@gmail.com>
Date:   Wed Jul 15 23:05:08 2020 +0200

    Add go, java and rust bootstraps

diff --git a/go/build.sh b/go/build.sh
new file mode 100755
index 0000000..c08eb37
--- /dev/null
+++ b/go/build.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+set -eu
+
+export MAKEFLAGS="-j$(nproc)"
+
+[ ! -d build/install-bootstrap ] && ./build_bootstrap.sh
+[ ! -d build/install-go ] && ./build_go.sh
diff --git a/go/build_bootstrap.sh b/go/build_bootstrap.sh
new file mode 100755
index 0000000..0877571
--- /dev/null
+++ b/go/build_bootstrap.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+set -eu
+
+version_bootstrap=20171003
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-bootstrap"
+
+# Prepare source
+mkdir -p "go1.4-bootstrap-$version_bootstrap"
+tar xf "$dir_download/go1.4-bootstrap-$version_bootstrap.tar.gz" -C "go1.4-bootstrap-$version_bootstrap" --strip-components 1
+cd "go1.4-bootstrap-$version_bootstrap"
+
+# Build and install
+(cd src; ./make.bash)
+rm -rf pkg/obj src/cmd src/internal src/builtin
+find src -type f \( ! -name "*.go" \) -delete
+find src -type f \( -name "*_test.go" -o -name "*_test_*.go" \) -delete
+find src -type d -name "testdata" -exec rm -r {} +
+find src -type d -empty -delete
+mkdir -p "$dir_install"
+cp -at "$dir_install" bin pkg src
diff --git a/go/build_go.sh b/go/build_go.sh
new file mode 100755
index 0000000..a7a3660
--- /dev/null
+++ b/go/build_go.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+set -eu
+
+version_go=1.13
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-go"
+
+# Prepare source
+mkdir -p "go$version_go"
+tar xf "$dir_download/go$version_go.src.tar.gz" -C "go$version_go" --strip-components 1
+cd "go$version_go"
+
+# Build and install
+(cd src; GOROOT_BOOTSTRAP="$PWD/../../install-bootstrap" ./make.bash)
+rm -rf pkg/obj src/cmd src/builtin
+find src -type f \( ! -name "*.go" -a ! -name "*.s" -a ! -name "*.h" \) -delete
+find src -type f \( -name "*_test.go" -o -name "*_test_*.go" \) -delete
+find src -type d -name "testdata" -exec rm -r {} +
+find src -type d -empty -delete
+mkdir -p "$dir_install"
+cp -at "$dir_install" bin pkg src
diff --git a/go/download.sh b/go/download.sh
new file mode 100755
index 0000000..a515ae2
--- /dev/null
+++ b/go/download.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+set -eu
+
+version_go=1.13  # https://golang.org/dl/
+version_bootstrap=20171003  # https://golang.org/doc/install/source#go14
+
+mkdir -p download
+cd download
+
+wget -c "https://dl.google.com/go/go$version_go.src.tar.gz"
+wget -c "https://dl.google.com/go/go1.4-bootstrap-$version_bootstrap.tar.gz"
+
+sha256sum -c ../download.sha256
diff --git a/go/download.sha256 b/go/download.sha256
new file mode 100644
index 0000000..81e1df6
--- /dev/null
+++ b/go/download.sha256
@@ -0,0 +1,2 @@
+3fc0b8b6101d42efd7da1da3029c0a13f22079c0c37ef9730209d8ec665bf122  go1.13.src.tar.gz
+f4ff5b5eb3a3cae1c993723f3eab519c5bae18866b5e5f96fe1102f0cb5c3e52  go1.4-bootstrap-20171003.tar.gz
diff --git a/java/build.sh b/java/build.sh
new file mode 100755
index 0000000..32a4af8
--- /dev/null
+++ b/java/build.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+set -eu
+
+export MAKEFLAGS="-j$(nproc)"
+
+[ ! -d build/install-gcc ] && ./build_gcc.sh
+[ ! -d build/install-ant ] && ./build_ant.sh
+[ ! -d build/install-icedtea7 ] && ./build_icedtea7.sh
+[ ! -d build/install-icedtea8 ] && ./build_icedtea8.sh
+[ ! -d build/install-jdk9 ] && ./build_jdk9.sh
+[ ! -d build/install-jdk10 ] && ./build_jdk10.sh
+[ ! -d build/install-jdk11 ] && ./build_jdk11.sh
diff --git a/java/build_ant.sh b/java/build_ant.sh
new file mode 100755
index 0000000..da12a81
--- /dev/null
+++ b/java/build_ant.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+set -eu
+
+version_ant=1.9.13
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-ant"
+
+# Prepare source
+tar xf "$dir_download/apache-ant-$version_ant-src.tar.bz2"
+cd "apache-ant-$version_ant"
+
+# Build and install
+unset JAVAC JAVACMD CLASSPATH
+export JAVA_HOME="$PWD/../install-gcc/lib/jvm"
+export PATH="$JAVA_HOME/bin:$PATH"
+./build.sh
+cp -a dist "$dir_install"
diff --git a/java/build_gcc.sh b/java/build_gcc.sh
new file mode 100755
index 0000000..a852fef
--- /dev/null
+++ b/java/build_gcc.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+set -eu
+
+version_gcc=6.5.0
+version_ecj=4.9
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-gcc"
+
+# Prepare source
+tar xf "$dir_download/gcc-$version_gcc.tar.xz"
+cd "gcc-$version_gcc"
+
+cp "$dir_download/ecj-$version_ecj.jar" ecj.jar
+cp "$dir_download/javac.in" .
+sed -i -e 's/\.\/fixinc\.sh/-c true/' gcc/Makefile.in
+
+mkdir -p build; cd build
+
+# Configure source
+../configure \
+    --prefix="$dir_install" \
+    --disable-multilib \
+    --disable-bootstrap \
+    --disable-nls \
+    --enable-languages=java \
+    --enable-java-home \
+    --with-java-home="$dir_install/lib/jvm/jre"
+
+# Build and install
+make
+make install
+
+cd ..
+sed -e "s#@JAVA@#$dir_install/lib/jvm/bin/java#" \
+    -e "s#@ECJ_JAR@#$dir_install/share/java/ecj.jar#" \
+    -e "s#@RT_JAR@#$dir_install/lib/jvm/jre/lib/rt.jar#" \
+    -e "s#@TOOLS_JAR@#$dir_install/lib/jvm/lib/tools.jar#" \
+    javac.in > javac
+install -Dm755 -t "$dir_install/lib/jvm/bin" javac
diff --git a/java/build_icedtea7.sh b/java/build_icedtea7.sh
new file mode 100755
index 0000000..ce71294
--- /dev/null
+++ b/java/build_icedtea7.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+set -eu
+
+# From: https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/eclass/multiprocessing.eclass
+makeopts_jobs() {
+    # This assumes the first .* will be more greedy than the second .*
+    # since POSIX doesn't specify a non-greedy match (i.e. ".*?").
+    local jobs=$(echo " $MAKEFLAGS " | sed -r -n \
+        -e 's:.*[[:space:]](-j|--jobs[=[:space:]])[[:space:]]*([0-9]+).*:\2:p' \
+        -e 's:.*[[:space:]](-j|--jobs)[[:space:]].*:999:p')
+    echo ${jobs:-1}
+}
+
+version_icedtea7=2.6.19
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-icedtea7"
+
+# Prepare source
+tar xf "$dir_download/icedtea-$version_icedtea7.tar.xz"
+cd "icedtea-$version_icedtea7"
+
+for part in corba.tar.bz2 hotspot.tar.bz2 jaxp.tar.bz2 jaxws.tar.bz2 jdk.tar.bz2 langtools.tar.bz2 openjdk.tar.bz2; do
+    cp "$dir_download/icedtea-$version_icedtea7-$part" "$part"
+done
+
+unset JAVA_HOME BOOTDIR ALT_BOOTDIR  # openjdk-boot/hotspot/make/linux/makefiles/sa.make
+export PATH="$PWD/../install-ant/bin:$PWD/../install-gcc/lib/jvm/bin:$PWD/../install-gcc/bin:$PATH"
+
+# Configure source
+./configure \
+    --prefix="$dir_install" \
+    --with-jdk-home="$PWD/../install-gcc/lib/jvm" \
+    --with-parallel-jobs="$(makeopts_jobs)" \
+    --disable-docs \
+    --disable-downloading \
+    --without-rhino \
+    --disable-system-kerberos \
+    --disable-system-pcsc \
+    --disable-system-sctp
+
+# Build and install
+make
+make install
diff --git a/java/build_icedtea8.sh b/java/build_icedtea8.sh
new file mode 100755
index 0000000..fc19c07
--- /dev/null
+++ b/java/build_icedtea8.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+set -eu
+
+# From: https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/eclass/multiprocessing.eclass
+makeopts_jobs() {
+    # This assumes the first .* will be more greedy than the second .*
+    # since POSIX doesn't specify a non-greedy match (i.e. ".*?").
+    local jobs=$(echo " $MAKEFLAGS " | sed -r -n \
+        -e 's:.*[[:space:]](-j|--jobs[=[:space:]])[[:space:]]*([0-9]+).*:\2:p' \
+        -e 's:.*[[:space:]](-j|--jobs)[[:space:]].*:999:p')
+    echo ${jobs:-1}
+}
+
+version_icedtea8=3.13.0
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-icedtea8"
+
+# Prepare source
+tar xf "$dir_download/icedtea-$version_icedtea8.tar.xz"
+cd "icedtea-$version_icedtea8"
+
+for part in corba.tar.xz hotspot.tar.xz jaxp.tar.xz jaxws.tar.xz jdk.tar.xz langtools.tar.xz nashorn.tar.xz openjdk.tar.xz; do
+    cp "$dir_download/icedtea-$version_icedtea8-$part" "$part"
+done
+
+export PATH="$PWD/../install-icedtea7/bin:$PATH"
+
+# Configure source
+./configure \
+    --prefix="$dir_install" \
+    --with-jdk-home="$PWD/../install-icedtea7" \
+    --with-parallel-jobs="$(makeopts_jobs)" \
+    --enable-headless \
+    --disable-docs \
+    --disable-bootstrap \
+    --disable-ccache \
+    --disable-downloading \
+    --disable-system-kerberos \
+    --disable-system-pcsc \
+    --disable-system-sctp
+
+# Build and install
+make
+make install
diff --git a/java/build_jdk10.sh b/java/build_jdk10.sh
new file mode 100755
index 0000000..2cf1763
--- /dev/null
+++ b/java/build_jdk10.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+set -eu
+
+# From: https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/eclass/multiprocessing.eclass
+makeopts_jobs() {
+    # This assumes the first .* will be more greedy than the second .*
+    # since POSIX doesn't specify a non-greedy match (i.e. ".*?").
+    local jobs=$(echo " $MAKEFLAGS " | sed -r -n \
+        -e 's:.*[[:space:]](-j|--jobs[=[:space:]])[[:space:]]*([0-9]+).*:\2:p' \
+        -e 's:.*[[:space:]](-j|--jobs)[[:space:]].*:999:p')
+    echo ${jobs:-1}
+}
+
+version_jdk10=10.0.2+13
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-jdk10"
+
+# Prepare source
+tar xf "$dir_download/jdk10u-jdk-$version_jdk10.tar.bz2"
+cd "jdk10u-jdk-$version_jdk10"
+chmod +x configure
+
+# Configure source
+./configure \
+    --prefix="$dir_install" \
+    --with-boot-jdk="$PWD/../install-jdk9" \
+    --with-jobs="$(makeopts_jobs)" \
+    --disable-full-docs \
+    --enable-headless-only \
+    --disable-warnings-as-errors
+
+# Build and install
+unset MAKEFLAGS
+make product-images
+make install
diff --git a/java/build_jdk11.sh b/java/build_jdk11.sh
new file mode 100755
index 0000000..5da2081
--- /dev/null
+++ b/java/build_jdk11.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+set -eu
+
+# From: https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/eclass/multiprocessing.eclass
+makeopts_jobs() {
+    # This assumes the first .* will be more greedy than the second .*
+    # since POSIX doesn't specify a non-greedy match (i.e. ".*?").
+    local jobs=$(echo " $MAKEFLAGS " | sed -r -n \
+        -e 's:.*[[:space:]](-j|--jobs[=[:space:]])[[:space:]]*([0-9]+).*:\2:p' \
+        -e 's:.*[[:space:]](-j|--jobs)[[:space:]].*:999:p')
+    echo ${jobs:-1}
+}
+
+version_jdk11=11.0.5+6
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-jdk11"
+
+# Prepare source
+tar xf "$dir_download/jdk11u-jdk-$version_jdk11.tar.bz2"
+cd "jdk11u-jdk-$version_jdk11"
+chmod +x configure
+
+# Configure source
+./configure \
+    --prefix="$dir_install" \
+    --with-boot-jdk="$PWD/../install-jdk10" \
+    --with-jobs="$(makeopts_jobs)" \
+    --disable-full-docs \
+    --enable-headless-only \
+    --disable-warnings-as-errors
+
+# Build and install
+unset MAKEFLAGS
+make product-images
+make install
diff --git a/java/build_jdk9.sh b/java/build_jdk9.sh
new file mode 100755
index 0000000..fbdab82
--- /dev/null
+++ b/java/build_jdk9.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+set -eu
+
+# From: https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/eclass/multiprocessing.eclass
+makeopts_jobs() {
+    # This assumes the first .* will be more greedy than the second .*
+    # since POSIX doesn't specify a non-greedy match (i.e. ".*?").
+    local jobs=$(echo " $MAKEFLAGS " | sed -r -n \
+        -e 's:.*[[:space:]](-j|--jobs[=[:space:]])[[:space:]]*([0-9]+).*:\2:p' \
+        -e 's:.*[[:space:]](-j|--jobs)[[:space:]].*:999:p')
+    echo ${jobs:-1}
+}
+
+version_jdk9=9+181
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-jdk9"
+
+# Prepare source
+tar xf "$dir_download/jdk-jdk-$version_jdk9.tar.bz2"
+cd "jdk-jdk-$version_jdk9"
+chmod +x configure
+
+# Configure source
+./configure \
+    --prefix="$dir_install" \
+    --with-boot-jdk="$PWD/../install-icedtea8" \
+    --with-jobs="$(makeopts_jobs)" \
+    --disable-full-docs \
+    --enable-headless-only \
+    --disable-warnings-as-errors
+
+# Build and install
+unset MAKEFLAGS
+make product-images
+make install
diff --git a/java/download.sh b/java/download.sh
new file mode 100755
index 0000000..82ce538
--- /dev/null
+++ b/java/download.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+set -eu
+
+# BIG FAT NOTE/WARNING: Building icedtea-2.6.19 in this manner seems to fail...
+
+version_jdk11=11.0.5+6  # https://hg.openjdk.java.net/jdk-updates/jdk11u/tags
+version_jdk10=10.0.2+13  # https://hg.openjdk.java.net/jdk-updates/jdk10u/tags
+version_jdk9=9+181  # https://hg.openjdk.java.net/jdk/jdk/tags
+version_icedtea8=3.13.0  # https://icedtea.classpath.org/wiki/Main_Page#Getting_IcedTea
+version_icedtea7=2.6.19  # https://icedtea.classpath.org/wiki/Main_Page#Getting_IcedTea
+version_ant=1.9.13  # https://ant.apache.org/manual-1.9.x/index.html  (1.9.14 seems to fail)
+version_gcc=6.5.0  # Final version
+version_ecj=4.9  # Final version
+
+mkdir -p download
+cd download
+
+wget -O "jdk11u-jdk-$version_jdk11.tar.bz2" -c "https://hg.openjdk.java.net/jdk-updates/jdk11u/archive/jdk-$version_jdk11.tar.bz2"
+wget -O "jdk10u-jdk-$version_jdk10.tar.bz2" -c "https://hg.openjdk.java.net/jdk-updates/jdk10u/archive/jdk-$version_jdk10.tar.bz2"
+wget -O "jdk-jdk-$version_jdk9.tar.bz2" -c "https://hg.openjdk.java.net/jdk/jdk/archive/jdk-$version_jdk9.tar.bz2"
+wget -c "http://icedtea.wildebeest.org/download/source/icedtea-$version_icedtea8.tar.xz"
+wget -c "http://icedtea.wildebeest.org/download/source/icedtea-$version_icedtea7.tar.xz"
+wget -c "https://archive.apache.org/dist/ant/source/apache-ant-$version_ant-src.tar.bz2"
+wget -c "https://ftp.gnu.org/gnu/gcc/gcc-$version_gcc/gcc-$version_gcc.tar.xz"
+wget -c "ftp://sourceware.org/pub/java/ecj-$version_ecj.jar"
+wget -O javac.in -c 'https://gitweb.gentoo.org/repo/gentoo.git/plain/dev-java/gcj-jdk/files/javac.in?id=56bd759df1d0c750a065b8c845e93d5dfa6b549d'
+
+for part in corba.tar.bz2 hotspot.tar.bz2 jaxp.tar.bz2 jaxws.tar.bz2 jdk.tar.bz2 langtools.tar.bz2 openjdk.tar.bz2; do
+    wget -O "icedtea-$version_icedtea7-$part" -c "http://icedtea.wildebeest.org/download/drops/icedtea7/$version_icedtea7/$part"
+done
+for part in corba.tar.xz hotspot.tar.xz jaxp.tar.xz jaxws.tar.xz jdk.tar.xz langtools.tar.xz nashorn.tar.xz openjdk.tar.xz; do
+    wget -O "icedtea-$version_icedtea8-$part" -c "http://icedtea.wildebeest.org/download/drops/icedtea8/$version_icedtea8/$part"
+done
+
+sha256sum -c ../download.sha256
diff --git a/java/download.sha256 b/java/download.sha256
new file mode 100644
index 0000000..f880805
--- /dev/null
+++ b/java/download.sha256
@@ -0,0 +1,24 @@
+fdefd01c909a69fbeab1c45a815e3a80d86351f61b992dfe2e2191d9b009aaaf  apache-ant-1.9.13-src.tar.bz2
+9506e75b862f782213df61af67338eb7a23c35ff425d328affc65585477d34cd  ecj-4.9.jar
+7ef1796ce497e89479183702635b14bb7a46b53249209a5e0f999bebf4740945  gcc-6.5.0.tar.xz
+aae916ff4c1f3cbdb14f57716d03adf1f2d9cb221bf0fa0580f607d7a360245b  icedtea-2.6.19-corba.tar.bz2
+fbbfa17c95891491311758d2ef595ec322c46452e0bf7b51eb42a9ca1ccc419b  icedtea-2.6.19-hotspot.tar.bz2
+4545cf0b2bfeca6cd019f1c8bab3ed7317963776b859f80ffc4d8d79d3c82e8f  icedtea-2.6.19-jaxp.tar.bz2
+9b2b76598996962c5128e586edded4022e162421d9898a57c3d6dce2fbe7ee6b  icedtea-2.6.19-jaxws.tar.bz2
+1653315e15f30f4f250d6ec9085043b534a28c293ba445467e274c56fef84b88  icedtea-2.6.19-jdk.tar.bz2
+d9d02a7f135350d66d2dde28dad7f2257843d11cc663b641740b1cf21ec3d710  icedtea-2.6.19-langtools.tar.bz2
+2531838d9cf08755d88c91498da6fef427000d0fd527c7ddeaa60c993aa679ea  icedtea-2.6.19-openjdk.tar.bz2
+2ba0d2ec3970a163f27d1996074ac4a8767075fc0b7671ef3974cd667aba277d  icedtea-2.6.19.tar.xz
+552827f8c7b78e442bffa58989821949d8ab07dba5436420b5a53b5a25624e6b  icedtea-3.13.0-corba.tar.xz
+29592d513662e853f3156a7afb961eb805f92ea731469bbe1e9812365f573372  icedtea-3.13.0-hotspot.tar.xz
+bca5bcaada48e24e1cc968682bf953e4ea4c54a116155e36c9176534e6bc9e38  icedtea-3.13.0-jaxp.tar.xz
+70982e8eaa599be615d7464ea619f5d8f02651c55445bca9ff15b96aecc941c5  icedtea-3.13.0-jaxws.tar.xz
+77508213af438f96a92a1764d1dcff3ce2d8b96dc90962b34ae372a9ed3154cf  icedtea-3.13.0-jdk.tar.xz
+f1b3cb9a28fbd9c90819370f4ee00863feb02ecce064d429c4a9d6565f78faab  icedtea-3.13.0-langtools.tar.xz
+5ca970b7408e8b42f1bdd43a6a22564cbb46a083e022ca2a0598a0f879553138  icedtea-3.13.0-nashorn.tar.xz
+8509e143bb996b9cab1b3fb06a8a490215d9418d3c1a3abef56f900532584ccd  icedtea-3.13.0-openjdk.tar.xz
+2d7a979f22cf7dd95e02b7b396d1a136bac99c044c3063270bdc2da650273bfc  icedtea-3.13.0.tar.xz
+3bb23cff0a6e5a7a820e19cce4b9b0f51a7b84ee9e0eeb048b463a5f3e996db0  javac.in
+374f7ae35f0a7439a40bd2c765d1f410607c75c6c1e788f1a344a42e59431f51  jdk10u-jdk-10.0.2+13.tar.bz2
+a46f84b7cde3231cf004dab94fb96c11f2211caed356e2770d7731f9bdb80531  jdk11u-jdk-11.0.5+6.tar.bz2
+8df9102cd985df96733cd7b6e58136681bd6df8812698393d6fcf5049b0dc7e3  jdk-jdk-9+181.tar.bz2
diff --git a/java/template_gentoo b/java/template_gentoo
new file mode 100644
index 0000000..612d7fa
--- /dev/null
+++ b/java/template_gentoo
@@ -0,0 +1,18 @@
+# Emerge java-config and eselect-java
+# Copy this file to /usr/share/java-config-2/vm/bootstrap
+# Symlink the java home directory to /usr/lib/jvm/bootstrap
+# Now you can eselect it, and emerge --nodep the final java
+
+VERSION="Bootstrap"
+JAVA_HOME="/usr/lib/jvm/bootstrap"
+JDK_HOME="$JAVA_HOME"
+JAVAC="$JAVA_HOME/bin/javac"
+PATH="$JAVA_HOME/bin"
+ROOTPATH="$PATH"
+LDPATH=""
+MANPATH=""
+PROVIDES_TYPE="JDK JRE"
+PROVIDES_VERSION="11"  # EDIT ME!
+BOOTCLASSPATH=""
+GENERATION="2"
+ENV_VARS="JAVA_HOME JDK_HOME JAVAC PATH ROOTPATH LDPATH MANPATH"
diff --git a/rust/build.sh b/rust/build.sh
new file mode 100755
index 0000000..0c04271
--- /dev/null
+++ b/rust/build.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+set -eu
+
+export MAKEFLAGS="-j$(nproc)"
+export CFLAGS='-w'
+export CXXFLAGS="$CFLAGS"
+
+version_mrustc_rust=1.29.0
+versions_llvm='7.1.0'
+versions_rustc='1.30.1 1.31.1 1.32.0 1.33.0 1.34.2 1.35.0 1.36.0 1.37.0 1.38.0 1.39.0 1.40.0 1.41.1'
+
+[ ! -d build/install-rustc-$version_mrustc_rust ] && ./build_mrustc.sh
+
+for version in $versions_llvm; do
+    [ ! -d build/install-llvm-$version ] && ./build_llvm.sh $version
+done
+
+last_version=$version_mrustc_rust
+for version in $versions_rustc; do
+    version_llvm=7.1.0
+    [ ! -e build/install-rustc-$version/bin/cargo ] && ./build_rust.sh $last_version $version $version_llvm
+    last_version=$version
+done
diff --git a/rust/build_llvm.sh b/rust/build_llvm.sh
new file mode 100755
index 0000000..7e13a4d
--- /dev/null
+++ b/rust/build_llvm.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+set -eu
+
+version_llvm="$1"
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-llvm-$version_llvm"
+
+# Prepare source
+tar xf "$dir_download/llvm-$version_llvm.src.tar.xz"
+cd "llvm-$version_llvm.src"
+
+mkdir -p build; cd build
+
+# Configure source
+cmake .. \
+    -DCMAKE_INSTALL_PREFIX="$dir_install" \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DLLVM_TARGETS_TO_BUILD="X86" \
+    -DLLVM_INSTALL_UTILS=ON
+
+# Build and install
+make
+make install
diff --git a/rust/build_mrustc.sh b/rust/build_mrustc.sh
new file mode 100755
index 0000000..c93e861
--- /dev/null
+++ b/rust/build_mrustc.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+set -eu
+
+version_mrustc=0.9
+version_mrustc_rust=1.29.0
+
+dir_download="$PWD/download"
+dir_patches="$PWD/patches"
+mkdir -p build; cd build
+dir_install="$PWD/install-rustc-$version_mrustc_rust"
+
+# Prepare source
+tar xf "$dir_download/mrustc-$version_mrustc.tar.gz"
+cd "mrustc-$version_mrustc"
+
+patch -p1 -i "$dir_patches/mrustc-0.9-gcc9.patch"
+sed -i -e 's/$(shell git show --pretty=%H -s)/15773561e40ca5c8cffe0a618c544b6cfdc5ad7e/g' \
+       -e 's/$(shell git symbolic-ref -q --short HEAD || git describe --tags --exact-match)/v0.9/g' \
+       -e 's/$(shell git show -s --pretty=%h)/15773561/g' \
+       -e 's/$(shell git diff-index --quiet HEAD; echo $$?)/0/g' \
+    Makefile
+sed -i -e 's/$Vtime /$V/' \
+       -e "s/^\techo '#\!/\techo -e '#\!/" \
+    run_rustc/Makefile
+sed -i -e 's/CMAKE_BUILD_TYPE=RelWithDebInfo/CMAKE_BUILD_TYPE=Release/' \
+    minicargo.mk
+sed -i -e 's/ -g\>//' Makefile tools/common/Makefile tools/minicargo/Makefile
+sed -i -e '/args.push_back("-g");/d' tools/minicargo/build.cpp
+#cat "$dir_patches/rustc-1.19.0-new-openssl.patch" >> rustc-$version_mrustc_rust-src.patch
+
+cp "$dir_download/rustc-$version_mrustc_rust-src.tar.xz" .
+make RUSTC_VERSION=$version_mrustc_rust RUSTC_SRC_TARBALL="rustc-$version_mrustc_rust-src.tar.xz" RUSTCSRC
+
+# Build and install
+export RUSTC_VERSION=$version_mrustc_rust
+export MRUSTC_TARGET_VER=$(echo $version_mrustc_rust | rev | cut -d . -f 2- | rev)
+make -C tools/common
+make -C tools/minicargo
+make
+make -f minicargo.mk rustc-$version_mrustc_rust-src/build/bin/llvm-config
+make -j1 -f minicargo.mk output/rustc output/cargo
+make -j1 PREFIX="$dir_install/" -C run_rustc
+
+#mkdir -p "$dir_install"
+#cp -aT run_rustc/output/prefix "$dir_install"
diff --git a/rust/build_rust.sh b/rust/build_rust.sh
new file mode 100755
index 0000000..b65788b
--- /dev/null
+++ b/rust/build_rust.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+set -eu
+
+version_rustc_bootstrap="$1"
+version_rustc="$2"
+version_llvm="$3"
+
+dir_download="$PWD/download"
+mkdir -p build; cd build
+dir_install="$PWD/install-rustc-$version_rustc"
+
+#export LD_LIBRARY_PATH="$dir_bootstrap/lib/rustlib/x86_64-unknown-linux-gnu/lib:${LD_LIBRARY_PATH:-}"
+# TODO: Test this for all versions
+
+# Prepare source
+tar xf "$dir_download/rustc-$version_rustc-src.tar.xz"
+cd "rustc-$version_rustc-src"
+
+# Configure source
+./configure \
+    --prefix="$dir_install" \
+    --sysconfdir="$dir_install/etc" \
+    --local-rust-root="$PWD/../install-rustc-$version_rustc_bootstrap" \
+    --llvm-root="$PWD/../install-llvm-$version_llvm" \
+    --enable-vendor
+
+# Build and install
+mkdir -p "$dir_install"
+./x.py install --stage 2 src/libstd src/librustc cargo
diff --git a/rust/download.sh b/rust/download.sh
new file mode 100755
index 0000000..262ebca
--- /dev/null
+++ b/rust/download.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+set -eu
+
+version_mrustc=0.9  # https://github.com/thepowersgang/mrustc/releases/
+version_mrustc_rust=1.29.0  # Depends on mrustc
+versions_llvm='7.1.0' # https://github.com/llvm/llvm-project/releases
+versions_rustc='1.30.1 1.31.1 1.32.0 1.33.0 1.34.2 1.35.0 1.36.0 1.37.0 1.38.0 1.39.0 1.40.0 1.41.1' # https://github.com/rust-lang/rust/blob/master/RELEASES.md
+
+mkdir -p download
+cd download
+
+wget -c "https://github.com/thepowersgang/mrustc/archive/v$version_mrustc/mrustc-$version_mrustc.tar.gz"
+wget -c "https://static.rust-lang.org/dist/rustc-$version_mrustc_rust-src.tar.xz"
+
+for version in $versions_llvm; do
+    wget -c "https://github.com/llvm/llvm-project/releases/download/llvmorg-$version/llvm-$version.src.tar.xz"
+done
+
+for version in $versions_rustc; do
+    wget -c "https://static.rust-lang.org/dist/rustc-$version-src.tar.xz"
+done
+
+sha256sum -c ../download.sha256
diff --git a/rust/download.sha256 b/rust/download.sha256
new file mode 100644
index 0000000..8a2c5a3
--- /dev/null
+++ b/rust/download.sha256
@@ -0,0 +1,15 @@
+1bcc9b285074ded87b88faaedddb88e6b5d6c331dfcfb57d7f3393dd622b3764  llvm-7.1.0.src.tar.xz
+381ded90498a04a667ab67a33c1bf7ff1269026bd45a6bde9bac8bf694929de6  mrustc-0.9.tar.gz
+3943da98fb478a336ede7404e42ff76ef6ba4fc2b82012cfccd6b9fc4bd2c191  rustc-1.29.0-src.tar.xz
+76c824e26b6a554cd48f45993e42001816c2f515dd1b252e3c8315fe200155ae  rustc-1.30.1-src.tar.xz
+b38f6a1b5e12619f242e44ea494d177c72fd1f80160386b2e69b69446685fcfa  rustc-1.31.1-src.tar.xz
+d617a7dc39daaafa8256320991005fc376c8ef2080593918301b24466d0067af  rustc-1.32.0-src.tar.xz
+f4b1a72f1a29b23dcc9d7be5f60878f0434560513273906aa93dcd5c0de39b71  rustc-1.33.0-src.tar.xz
+2b3b3a5462aa31d07f39721af73ef394803ceae3472e2470f28b7ee0b12e38ef  rustc-1.34.2-src.tar.xz
+169756df2298957bcf02da6a612996c24a51b9ac3b23409e6507d69eb2e6f523  rustc-1.35.0-src.tar.xz
+f51645b9f787af4a5d94db17f6af39db0c55980ed24fe366cad55b57900f8f2d  rustc-1.36.0-src.tar.xz
+10abffac50a729cf74cef6dd03193a2f4647541bd19ee9281be9e5b12ca8cdfd  rustc-1.37.0-src.tar.xz
+3a7991aa4cb44ef941d71636e45a95468b520dc6fc7cf725364925bd3e3d3a34  rustc-1.38.0-src.tar.xz
+4b0dbb356070687a606034f71dc032b783bbf8b5d3f9fff39f2c1fbc4f171c29  rustc-1.39.0-src.tar.xz
+6e2aa3a91697f4b225c6b394cbae6b97666f061dba491f666a5281698fe2aace  rustc-1.40.0-src.tar.xz
+ebac9861b43c7207af36e24402dfdc5463a4df4bdb015ccb2b165251c0fdcf7c  rustc-1.41.1-src.tar.xz
diff --git a/rust/llvm_versions.txt b/rust/llvm_versions.txt
new file mode 100644
index 0000000..8248bdb
--- /dev/null
+++ b/rust/llvm_versions.txt
@@ -0,0 +1,13 @@
+Needed versions:
+1.30: >=5 <=7
+1.31: >=5
+1.32: >=5
+1.33: >=6
+1.34: >=6
+1.35: >=6
+1.36: >=6
+1.37: >=6
+1.38: >=6
+1.39: >=6
+1.40: >=6
+1.41: >=7
diff --git a/rust/patches/mrustc-0.9-gcc9.patch b/rust/patches/mrustc-0.9-gcc9.patch
new file mode 100644
index 0000000..dca13d5
--- /dev/null
+++ b/rust/patches/mrustc-0.9-gcc9.patch
@@ -0,0 +1,27 @@
+diff --git a/src/hir_typeck/expr_check.cpp b/src/hir_typeck/expr_check.cpp
+index 7c9367e4..bdd5e4a7 100644
+--- a/src/hir_typeck/expr_check.cpp
++++ b/src/hir_typeck/expr_check.cpp
+@@ -887,12 +887,16 @@ namespace {
+             else
+             {
+                 // 1. Look up the encoded trait
+-                const auto& trait = (
+-                      node.m_trait_used == ::HIR::ExprNode_CallValue::TraitUsed::Fn ? m_resolve.m_crate.get_lang_item_path(node.span(), "fn")
+-                    : node.m_trait_used == ::HIR::ExprNode_CallValue::TraitUsed::FnMut ? m_resolve.m_crate.get_lang_item_path(node.span(), "fn_mut")
+-                    : node.m_trait_used == ::HIR::ExprNode_CallValue::TraitUsed::FnOnce ? m_resolve.m_crate.get_lang_item_path(node.span(), "fn_once")
+-                    : throw ""
+-                    );
++                const ::HIR::SimplePath* trait_p;
++                switch(node.m_trait_used)
++                {
++                case ::HIR::ExprNode_CallValue::TraitUsed::Fn:     trait_p = &m_resolve.m_crate.get_lang_item_path(node.span(), "fn"); break;
++                case ::HIR::ExprNode_CallValue::TraitUsed::FnMut:  trait_p = &m_resolve.m_crate.get_lang_item_path(node.span(), "fn_mut"); break;
++                case ::HIR::ExprNode_CallValue::TraitUsed::FnOnce: trait_p = &m_resolve.m_crate.get_lang_item_path(node.span(), "fn_once"); break;
++                default:
++                    throw "";
++                }
++                const auto& trait = *trait_p;
+ 
+                 ::std::vector< ::HIR::TypeRef>  tup_ents;
+                 for(const auto& arg : node.m_args) {
diff --git a/rust/patches/rustc-1.19.0-new-openssl.patch b/rust/patches/rustc-1.19.0-new-openssl.patch
new file mode 100644
index 0000000..b0bb999
--- /dev/null
+++ b/rust/patches/rustc-1.19.0-new-openssl.patch
@@ -0,0 +1,19 @@
+--- src/vendor/openssl-sys/build.rs
++++ src/vendor/openssl-sys/build.rs
+@@ -360,13 +360,9 @@
+         println!("cargo:version=101");
+         Version::Openssl101
+     } else {
+-        panic!("
+-
+-This crate is only compatible with OpenSSL 1.0.1, 1.0.2, and 1.1.0, or LibreSSL
+-2.5.0, 2.5.1, 2.5.2, 2.5.3, and 2.5.4, but a different version of OpenSSL was
+-found. The build is now aborting due to this version mismatch.
+-
+-");
++        println!("cargo:rustc-cfg=ossl110");
++        println!("cargo:version=110");
++        Version::Openssl110
+     }
+ }
+