From d38cc9314a6fa911cb83052d093328605d0b71df Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Thu, 16 Nov 2023 20:04:05 +0800
Subject: [PATCH] Init

---
 .drone.yml               | 22 ++++++++++++++++
 .gitignore               |  3 +++
 build.sh                 | 56 ++++++++++++++++++++++++++++++++++++++++
 patches/gcc-13.2.0.patch | 34 ++++++++++++++++++++++++
 4 files changed, 115 insertions(+)
 create mode 100644 .drone.yml
 create mode 100644 .gitignore
 create mode 100644 build.sh
 create mode 100644 patches/gcc-13.2.0.patch

diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..6efda05
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,22 @@
+
+---
+kind: pipeline
+type: docker
+name: Build
+
+trigger:
+  event:
+    - push
+    - custom
+
+steps:
+  - name: Build & Upload
+    image: ubuntu:22.04
+    commands:
+      - sudo apt update && sudo apt install libgmp-dev libmpfr-dev libmpc-dev gcc-multilib
+      - bash build.sh
+    environment:
+      GITEA_ENDPOINT: https://git.m.ac
+      GITEA_USER: baoshuo
+      GITEA_TOKEN:
+        from_secret: GITEA_TOKEN
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4bb0003
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+build/
+deb/
+*.deb
diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..c2af291
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+CURRENT_DIR=$(pwd)
+GCC_VERSION="13.2.0"
+# GCC_GIT="git://gcc.gnu.org/git/gcc.git"
+GCC_GIT="https://git.m.ac/mirrors/gcc.git"
+GCC_SRC="${CURRENT_DIR}/../src"
+BUILD_DIR="build"
+
+# Clone GCC
+echo "===> Cloning GCC..."
+git clone -b "releases/gcc-$GCC_VERSION" --depth 1 "${GCC_GIT}" "${GCC_SRC}"
+
+# Apply patches
+echo "===> Applying patches..."
+cd ${GCC_SRC}
+patch -p1 < ../patches/gcc-$GCC_VERSION.patch
+cd ${CURRENT_DIR}
+
+# Configure GCC
+echo "===> Configuring GCC..."
+cd ${CURRENT_DIR}/${BUILD_DIR}
+${GCC_SRC}/configure -v \
+  --enable-languages=c,c++ \
+  --prefix=/usr \
+  --build=x86_64-linux-gnu \
+  --host=x86_64-linux-gnu \
+  --target=x86_64-linux-gnu \
+  --with-pkgversion="s2oj-gcc-$GCC_VERSION~1baoshuo1"
+
+# Build GCC
+echo "===> Building GCC..."
+make -j$(nproc)
+
+# Make .deb package
+echo "===> Making .deb package \"s2oj-gcc-$GCC_VERSION~1baoshuo1.deb\" ..."
+make -j$(nproc) DESTDIR=${CURRENT_DIR}/deb install
+cd ${CURRENT_DIR}/deb
+mkdir -p DEBIAN
+cat << EOF > DEBIAN/control
+Package: s2oj-gcc
+Version: $GCC_VERSION~1baoshuo1
+Section: base
+Priority: optional
+Architecture: amd64
+Maintainer: Baoshuo <i@baoshuo.ren>
+Description: GCC $GCC_VERSION for S2OJ
+EOF
+cd ${CURRENT_DIR}
+dpkg-deb --build deb s2oj-gcc-$GCC_VERSION~1baoshuo1.deb
+
+# Upload package to Gitea
+echo "===> Uploading package to Gitea..."
+curl --user "${GITEA_USER}:${GITEA_TOKEN}" \
+     --upload-file s2oj-gcc-$GCC_VERSION~1baoshuo1.deb \
+     ${GITEA_ENDPOINT}/api/packages/${GITEA_USER}/debian/pool/all/main/upload
diff --git a/patches/gcc-13.2.0.patch b/patches/gcc-13.2.0.patch
new file mode 100644
index 0000000..2414f7c
--- /dev/null
+++ b/patches/gcc-13.2.0.patch
@@ -0,0 +1,34 @@
+diff --git a/gcc/c-family/c-attribs.cc b/gcc/c-family/c-attribs.cc
+index 072cfb691..0c1a26b21 100644
+--- a/gcc/c-family/c-attribs.cc
++++ b/gcc/c-family/c-attribs.cc
+@@ -5626,6 +5626,12 @@ static tree
+ handle_optimize_attribute (tree *node, tree name, tree args,
+ 			   int ARG_UNUSED (flags), bool *no_add_attrs)
+ {
++  if (getenv("ONLINE_JUDGE"))
++    {
++      error_at (DECL_SOURCE_LOCATION (*node), "%qE attribute is disallowed in online judge mode", name);
++      return NULL_TREE;
++    }
++
+   /* Ensure we have a function type.  */
+   if (TREE_CODE (*node) != FUNCTION_DECL)
+     {
+diff --git a/gcc/c-family/c-pragma.cc b/gcc/c-family/c-pragma.cc
+index 0d2b333ce..091c0edc9 100644
+--- a/gcc/c-family/c-pragma.cc
++++ b/gcc/c-family/c-pragma.cc
+@@ -1163,6 +1163,12 @@ handle_pragma_optimize (cpp_reader *)
+   bool close_paren_needed_p = false;
+   tree optimization_previous_node = optimization_current_node;
+ 
++  if (getenv("ONLINE_JUDGE"))
++    {
++      error ("%<#pragma GCC optimize%> is not allowed in online judge mode");
++      return;
++    }
++
+   if (cfun)
+     {
+       error ("%<#pragma GCC optimize%> is not allowed inside functions");