From f2c5073202f6de8008425d19b6e46bfea8ab5762 Mon Sep 17 00:00:00 2001
From: zhengweiwei <zhengweiwei7@huawei.com>
Date: Wed, 12 Apr 2023 16:27:28 +0800
Subject: [PATCH] Use python static lib by default

Description: Add build process for static python lib and enable static link python of lldb build by default

Issue: https://gitee.com/openharmony/third_party_llvm-project/issues/I6EQVA
Test: local compilation test
Signed-off-by: zhengweiwei <zhengweiwei7@huawei.com>
Change-Id: Iab593dfa7bddf3761b6197cdee872881f1b1712a
---
 llvm-build/build.py | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/llvm-build/build.py b/llvm-build/build.py
index 1ecf6ec561ff..14274efaed19 100755
--- a/llvm-build/build.py
+++ b/llvm-build/build.py
@@ -275,6 +275,39 @@ class BuildUtils(object):
         self.check_create_dir(out_path)
 
         self.check_call([cmake_bin_path] + flags, cwd=out_path, env=env)
+        
+    def python_build(self):
+        python_path = os.path.join(self.build_config.REPOROOT_DIR, 'third_party', 'python')
+        if not os.path.exists(python_path):
+            return ''
+        generated_path = os.path.join(python_path, 'build', 'libpython')
+        static_lib_path = os.path.join(generated_path, 'libpython3.10.a')
+        if not os.path.exists(static_lib_path):
+            os.makedirs(generated_path, exist_ok=True)
+            Setup_path = os.path.join(python_path, 'Modules', 'Setup')
+            self.replace_line(r"^[^#]*_locale -DPy_BUILD_CORE_BUILTIN _localemodule.c  # -lintl*", r"#\g<0>", Setup_path)
+            build_args = [
+                os.path.join(python_path, 'configure'),
+                '--prefix={}'.format(generated_path),
+                '--bindir={}'.format(os.path.join(generated_path, 'bin')),
+                '--libdir={}'.format(os.path.join(generated_path, 'lib')),
+                '--includedir={}'.format(os.path.join(generated_path, 'include')),
+                '--datarootdir={}'.format(os.path.join(generated_path, 'share'))
+            ]
+            self.check_call(build_args, cwd=generated_path)
+            self.check_call('make', cwd=generated_path)
+            self.check_call(['make', 'install'], cwd=generated_path)
+            self.replace_line(r'\$\{Python3_LIBRARIES\}', f'"{static_lib_path}"',
+                                os.path.join(self.build_config.REPOROOT_DIR, 'toolchain', 'llvm-project', 
+                                             'lldb', 'source', 'Plugins', 'ScriptInterpreter', 'Python', 'CMakeLists.txt'))
+        return generated_path
+    
+    def replace_line(self, pattern, replace, file_path):
+        with open(file_path, 'r') as f:
+            content = f.read()
+        content = re.sub(pattern, replace, content, flags=re.MULTILINE)
+        with open(file_path, 'w') as f:
+            f.write(content)
 
     @staticmethod
     def logger():
@@ -376,6 +409,14 @@ class BuildUtils(object):
             defines['CMAKE_OSX_DEPLOYMENT_TARGET'] = mac_min_version
             defines['LLDB_INCLUDE_TESTS'] = 'OFF'
             defines['LIBCXX_INCLUDE_TESTS'] = 'OFF'
+            static_python_path = self.python_build()
+            if os.path.exists(static_python_path):
+                defines['LLDB_PYTHON_EXE_RELATIVE_PATH'] = static_python_path
+                defines['LLDB_PYTHON_RELATIVE_PATH'] = static_python_path
+            else:
+                raise Exception(
+                    "Unable to find third_party/python folder."
+                )
 
         defines['COMPILER_RT_BUILD_XRAY'] = 'OFF'
         return defines
-- 
Gitee