6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-13 04:30:23 +00:00
Code Issues Projects Releases Wiki Activity

Teach llvm-build to avoid touching LibraryDependencies.inc unless the contents

Browse Source 
change. This saves us from rebuilding llvm-config each time we reconfigure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222308 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne 2014-11-19 03:34:20 +00:00
parent 2dea1fe38d
commit fb44491356
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
utils/llvm-build/llvmbuild/main.py
View File

@ -1,4 +1,5 @@
from __future__ import absolute_import
import filecmp
import os
import sys
@ -382,7 +383,7 @@ subdirectories = %s
# Write out the library table.
make_install_dir(os.path.dirname(output_path))
f = open(output_path, 'w')
f = open(output_path+'.new', 'w')
f.write("""\
//===- llvm-build generated file --------------------------------*- C++ -*-===//
//
@ -420,6 +421,14 @@ subdirectories = %s
f.write('};\n')
f.close()
if not os.path.isfile(output_path):
os.rename(output_path+'.new', output_path)
elif filecmp.cmp(output_path, output_path+'.new'):
os.remove(output_path+'.new')
else:
os.remove(output_path)
os.rename(output_path+'.new', output_path)
def get_required_libraries_for_component(self, ci, traverse_groups = False):
"""
get_required_libraries_for_component(component_info) -> iter