From 9c58c4e43b7850cc38dc61352f4548cc0acf14ea Mon Sep 17 00:00:00 2001
From: Arsen <arsenarsentmc@outlook.com>
Date: Mon, 17 Feb 2020 01:38:47 +0100
Subject: [PATCH] ci: add files needed to build with jenkins

---
 ci/Jenkinsfile       | 33 ++++++++++++++++
 ci/bootstrap.yml     | 89 ++++++++++++++++++++++++++++++++++++++++++++
 ci/docker/Dockerfile | 11 ++++++
 ci/docker/gitconfig  |  3 ++
 4 files changed, 136 insertions(+)
 create mode 100644 ci/Jenkinsfile
 create mode 100644 ci/bootstrap.yml
 create mode 100644 ci/docker/Dockerfile
 create mode 100644 ci/docker/gitconfig

diff --git a/ci/Jenkinsfile b/ci/Jenkinsfile
new file mode 100644
index 00000000..640b2a0c
--- /dev/null
+++ b/ci/Jenkinsfile
@@ -0,0 +1,33 @@
+// vim: sw=4 et :
+node {
+    stage('Fetch sources') {
+        dir('src') {
+            dir ('mlibc') {
+                checkout scm
+                // don't replace sources
+                writeFile file: 'checkedout.xbstrap', text: ''
+            }
+            sh 'cp mlibc/ci/bootstrap.yml .'
+        }
+    }
+    docker.build('mlibc_cienv', 'src/mlibc/ci/docker').inside {
+        dir('build') {
+            stage('Prepare build') {
+                sh '''#!/bin/sh
+                set -xe
+                xbstrap init ../src || true # no cleanWs() step
+                '''
+            }
+            stage('Build mlibc') {
+                sh 'xbstrap install --reconfigure mlibc'
+            }
+            stage('Install gcc') {
+                sh 'xbstrap install-tool --recompile gcc'
+            }
+            stage('Collect results') {
+                sh 'tar c system-root | xz - > root.tar.xz'
+                archiveArtifacts 'root.tar.xz'
+            }
+        }
+    }
+}
diff --git a/ci/bootstrap.yml b/ci/bootstrap.yml
new file mode 100644
index 00000000..2165efb6
--- /dev/null
+++ b/ci/bootstrap.yml
@@ -0,0 +1,89 @@
+sources:
+  - name: cxxshim
+    git: 'https://github.com/managarm/cxxshim.git'
+    branch: 'master'
+
+  - name: frigg
+    git: 'https://github.com/managarm/frigg.git'
+    branch: 'master'
+
+  - name: gcc
+    git: 'git://gcc.gnu.org/git/gcc.git'
+    tag: 'releases/gcc-9.2.0'
+    regenerate:
+      - args: ['./contrib/download_prerequisites']
+        workdir: '@THIS_SOURCE_DIR@'
+
+  - name: mlibc
+    git: 'https://github.com/managarm/mlibc.git'
+    branch: 'master'
+    sources_required:
+      - cxxshim
+      - frigg
+    regenerate:
+      - args: ['ln', '-sf', '@SOURCE_ROOT@/cxxshim', '@THIS_SOURCE_DIR@/subprojects/cxxshim']
+      - args: ['ln', '-sf', '@SOURCE_ROOT@/frigg', '@THIS_SOURCE_DIR@/subprojects/frigg']
+
+tools:
+  - name: gcc
+    from_source: gcc
+    configure:
+      - args:
+        - '@THIS_SOURCE_DIR@/configure'
+        - '--prefix=@PREFIX@'
+        - '--program-prefix=mlibc-'
+        - '--with-sysroot=@SYSROOT_DIR@'
+        - '--enable-languages=c,c++'
+        - '--disable-multilib'
+        - '--disable-bootstrap'
+        # -g blows up GCC's binary size.
+        - 'CFLAGS=-O2'
+        - 'CXXFLAGS=-O2'
+    stages:
+      - name: compiler
+        pkgs_required:
+         - mlibc
+        compile:
+          # GCC complains if the include directory is non-existant.
+          - args: ['mkdir', '-p', '@SYSROOT_DIR@/usr/include']
+          - args: ['make', '-j@PARALLELISM@', 'all-gcc']
+        install:
+          - args: ['make', 'install-gcc']
+      - name: libgcc
+        tools_required:
+          - tool: gcc
+            stage_dependencies: [compiler]
+        compile:
+          - args: ['make', '-j@PARALLELISM@', 'all-target-libgcc']
+        install:
+          - args: ['make', 'install-target-libgcc']
+       # TODO: to build libstdc++, we need to pass -rpath and --dynamic-linker.
+#      - name: libstdc++
+#        tools_required:
+#          - tool: gcc
+#            stage_dependencies: [libgcc]
+#        compile:
+#          - args: ['make', '-j@PARALLELISM@', 'all-target-libstdc++-v3']
+#        install:
+#          - args: ['make', 'install-target-libstdc++-v3']
+
+packages:
+  - name: mlibc
+    from_source: mlibc
+    configure:
+      - args:
+        - 'meson'
+        - '--prefix=/usr'
+        - '--libdir=lib'
+        - '--buildtype=debugoptimized'
+        - '@THIS_SOURCE_DIR@'
+    build:
+      - args: ['ninja']
+      - args: ['ninja', 'install']
+        environ:
+          DESTDIR: '@THIS_COLLECT_DIR@'
+        quiet: true
+      - args: ['cp', '/usr/lib/x86_64-linux-gnu/crti.o', '@THIS_COLLECT_DIR@/usr/lib']
+        quiet: true
+      - args: ['cp', '/usr/lib/x86_64-linux-gnu/crtn.o', '@THIS_COLLECT_DIR@/usr/lib']
+        quiet: true
diff --git a/ci/docker/Dockerfile b/ci/docker/Dockerfile
new file mode 100644
index 00000000..8e4f9898
--- /dev/null
+++ b/ci/docker/Dockerfile
@@ -0,0 +1,11 @@
+FROM debian:buster
+
+RUN apt update
+RUN apt -y install build-essential pkg-config autopoint bison curl flex gettext git gperf help2man m4 mercurial ninja-build python3-mako python3-protobuf python3-yaml texinfo unzip wget xsltproc xz-utils libexpat1-dev rsync python3-pip doxygen
+
+RUN pip3 install meson
+RUN pip3 install xbstrap
+
+ADD gitconfig /etc/gitconfig
+
+CMD ["bash"]
diff --git a/ci/docker/gitconfig b/ci/docker/gitconfig
new file mode 100644
index 00000000..7c4ca93a
--- /dev/null
+++ b/ci/docker/gitconfig
@@ -0,0 +1,3 @@
+[user]
+	email = build@localhost
+	name = build