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Generate a compilation database, useful for llvm tooling

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Kovid Goyal 2017-11-14 09:31:23 +05:30
parent 98d8d6b915
commit a02fd8411a
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 31 additions and 9 deletions
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1
.gitignore vendored
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@ -5,6 +5,7 @@ tags
build build
linux-package linux-package
logo/*.iconset logo/*.iconset
compile_commands.json
glad/out glad/out
asan-launcher asan-launcher
kitty-profile kitty-profile

39
setup.py
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@ -2,14 +2,15 @@
# vim:fileencoding=utf-8 # vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net> # License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
import argparse
import json
import os import os
import re import re
import sys
import sysconfig
import shlex import shlex
import shutil import shutil
import subprocess import subprocess
import argparse import sys
import sysconfig
base = os.path.dirname(os.path.abspath(__file__)) base = os.path.dirname(os.path.abspath(__file__))
build_dir = os.path.join(base, 'build') build_dir = os.path.join(base, 'build')
@ -259,24 +260,31 @@ def dependecies_for(src, obj, all_headers):
yield path yield path
def compile_c_extension(module, incremental, sources, headers): def compile_c_extension(module, incremental, compilation_database, sources, headers):
prefix = os.path.basename(module) prefix = os.path.basename(module)
objects = [ objects = [
os.path.join(build_dir, prefix + '-' + os.path.basename(src) + '.o') os.path.join(build_dir, prefix + '-' + os.path.basename(src) + '.o')
for src in sources for src in sources
] ]
for src, dest in zip(sources, objects): for original_src, dest in zip(sources, objects):
src = original_src
cflgs = cflags[:] cflgs = cflags[:]
if src in SPECIAL_SOURCES: is_special = src in SPECIAL_SOURCES
if is_special:
src, defines = SPECIAL_SOURCES[src] src, defines = SPECIAL_SOURCES[src]
cflgs.extend(map(define, defines)) cflgs.extend(map(define, defines))
cmd = [cc, '-MMD'] + cflgs
cmd_changed = compilation_database.get(original_src, [])[:-4] != cmd
must_compile = not incremental or cmd_changed
src = os.path.join(base, src) src = os.path.join(base, src)
if not incremental or newer( if must_compile or newer(
dest, *dependecies_for(src, dest, headers) dest, *dependecies_for(src, dest, headers)
): ):
run_tool([cc, '-MMD'] + cflgs + ['-c', src] + ['-o', dest]) cmd += ['-c', src] + ['-o', dest]
compilation_database[original_src] = cmd
run_tool(cmd)
dest = os.path.join(base, module + '.so') dest = os.path.join(base, module + '.so')
if not incremental or newer(dest, *objects): if not incremental or newer(dest, *objects):
run_tool([cc] + ldflags + objects + ldpaths + ['-o', dest]) run_tool([cc] + ldflags + objects + ldpaths + ['-o', dest])
@ -344,10 +352,23 @@ def find_c_files():
def build(args, native_optimizations=True): def build(args, native_optimizations=True):
try:
with open('compile_commands.json') as f:
compilation_database = json.load(f)
except FileNotFoundError:
compilation_database = []
compilation_database = {
k['file']: k['arguments'] for k in compilation_database
}
init_env(args.debug, args.sanitize, native_optimizations, args.profile) init_env(args.debug, args.sanitize, native_optimizations, args.profile)
compile_c_extension( compile_c_extension(
'kitty/fast_data_types', args.incremental, *find_c_files() 'kitty/fast_data_types', args.incremental, compilation_database, *find_c_files()
) )
compilation_database = [
{'file': k, 'arguments': v, 'directory': base} for k, v in compilation_database.items()
]
with open('compile_commands.json', 'w') as f:
json.dump(compilation_database, f, indent=2, sort_keys=True)
def safe_makedirs(path): def safe_makedirs(path):