Add thirdpaty tests

Refer to chibicc.

Include gcc headers.

Currently, success on git and lua only,
others are failed.

.gitignore

@@ -32,6 +32,8 @@ core
 /dump_ir*
 /dump_type*
 
+/tests/thirdparty/.external/
+
 ### wasm
 
 libsrc/_wasm/crt0.c

src/xcc/main.c

@@ -252,6 +252,7 @@ int main(int argc, char *argv[]) {
   Vector *cpp_cmd = new_vector();
   vec_push(cpp_cmd, cpp_path);
   vec_push(cpp_cmd, "-D__LP64__");  // Memory model.
+  vec_push(cpp_cmd, "-D__STDC_NO_VLA__");
 #if defined(__aarch64__)
   vec_push(cpp_cmd, "-D__aarch64__");
 #elif defined(__x86_64__)
@@ -308,6 +309,7 @@ int main(int argc, char *argv[]) {
     {"D", required_argument},  // Define macro
     {"o", required_argument},  // Specify output filename
     {"x", required_argument},  // Specify code type
+    {"l", required_argument},  // Library
     {"nodefaultlibs", no_argument, OPT_NODEFAULTLIBS},
     {"nostdlib", no_argument, OPT_NOSTDLIB},
     {"nostdinc", no_argument, OPT_NOSTDINC},

tests/thirdparty/cpython.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -e
+
+repo='https://github.com/python/cpython.git'
+. tests/thirdparty/thirdpartycommon
+git reset --hard c75330605d4795850ec74fdc4d69aa5d92f76c00
+
+# Python's './configure' command misidentifies chibicc as icc
+# (Intel C Compiler) because icc is a substring of chibicc.
+# Modify the configure file as a workaround.
+#sed -i -e 1996,2011d configure.ac
+autoreconf
+
+CC=$xcc ./configure
+$make clean
+$make
+$make test

tests/thirdparty/git.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+
+repo='https://github.com/git/git.git'
+. tests/thirdparty/thirdpartycommon
+git reset --hard 54e85e7af1ac9e9a92888060d6811ae767fea1bc
+
+# CFLAGS="-D__STDC_VERSION__=199901L -Drestrict="
+
+$make clean
+$make V=1 CC="$xcc $CFLAGS"
+$make V=1 CC="$xcc $CFLAGS" test

tests/thirdparty/libpng.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+
+repo='https://github.com/rui314/libpng.git'
+. tests/thirdparty/thirdpartycommon
+git reset --hard dbe3e0c43e549a1602286144d94b0666549b18e6
+
+CC="$xcc" ./configure
+sed -i 's/^wl=.*/wl=-Wl,/; s/^pic_flag=.*/pic_flag=-fPIC/' libtool
+$make clean
+$make -j1
+$make test

tests/thirdparty/lua.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+
+repo='https://github.com/lua/lua.git'
+. tests/thirdparty/thirdpartycommon
+git reset --hard 6443185167c77adcc8552a3fee7edab7895db1a9  # v5.4.6
+
+$make clean
+$make -j1 CC="$xcc"
+
+# all.lua not work
+cd testes && ../lua locals.lua

tests/thirdparty/sqlite.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+set -e
+
+repo='https://github.com/sqlite/sqlite.git'
+. tests/thirdparty/thirdpartycommon
+git reset --hard 86f477edaa17767b39c7bae5b67cac8580f7a8c1
+
+CFLAGS="-D_GNU_SOURCE -D__STDC_VERSION__=199901L -Drestrict="
+
+CC="$xcc" CFLAGS="$CFLAGS" ./configure
+sed -i 's/^wl=.*/wl=-Wl,/; s/^pic_flag=.*/pic_flag=-fPIC/' libtool
+$make clean
+$make -j1
+$make test

tests/thirdparty/thirdpartycommon

@@ -0,0 +1,12 @@
+make="make -j$(nproc)"
+xcc=$(cd "$(dirname "$0")/../../tool";pwd)/xccsh
+
+dir=$(basename -s .git "$repo")
+
+set -e -x
+
+REPOROOT=$(cd "$(dirname "$0")";pwd)/.external
+mkdir -p "$REPOROOT"
+cd "$REPOROOT"
+[ -d "$dir" ] || git clone "$repo"
+cd "$dir"

tests/thirdparty/tinycc.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -e
+
+repo='https://github.com/TinyCC/tinycc.git'
+. tests/thirdparty/thirdpartycommon
+git reset --hard df67d8617b7d1d03a480a28f9f901848ffbfb7ec
+
+./configure --cc=$xcc
+$make clean
+$make
+$make CC=cc test

tool/xccsh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+xcc=$(cd "$(dirname "$0")/..";pwd)/xcc
+
+UNAME=$(uname)
+ARCH=$(arch)
+
+if [[ "$UNAME" = "Darwin" ]]; then
+    SYS_INCLUDE_DIR="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include"
+else
+    SYS_INCLUDE_DIR="/usr/include/$ARCH-linux-gnu"
+fi
+
+xcc_opt="\
+    -fuse-ld=cc -no-pie \
+    -isystem /usr/include \
+    -isystem /usr/local/include \
+    -isystem $SYS_INCLUDE_DIR \
+    -D__signed__="
+
+CC="$xcc $xcc_opt -D_GNU_SOURCE"
+
+$CC "$@"