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build: make configure.py more readable

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This commit is contained in:
Avi Kivity
2014-09-18 21:10:02 +03:00
parent f98c99b210
commit 5be3fa082d
1 changed files with 25 additions and 19 deletions
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44
configure.py
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@@ -43,28 +43,32 @@ modes = {
libs = '-laio -lboost_program_options -lboost_system'
import os, os.path
import os, os.path, textwrap
outdir = 'build'
buildfile = outdir + '/build.ninja'
os.makedirs(outdir, exist_ok = True)
with open(buildfile, 'w') as f:
f.write('builddir = {}\n'.format(outdir))
f.write('cxx = g++\n')
f.write('cxxflags = -std=gnu++1y -g -Wall -Werror -fvisibility=hidden -pthread -I.\n')
f.write('ldflags = -Wl,--no-as-needed\n')
f.write('libs = {}\n'.format(libs))
f.write(textwrap.dedent('''\
builddir = {outdir}
cxx = g++
cxxflags = -std=gnu++1y -g -Wall -Werror -fvisibility=hidden -pthread -I.
ldflags = -Wl,--no-as-needed
libs = {libs}
''').format(**globals()))
for mode in ['debug', 'release']:
modeval = modes[mode]
f.write('cxxflags_{} = {} {}\n'.format(mode, modeval['sanitize'], modeval['opt']))
f.write('libs_{} = {}\n'.format(mode, modeval['libs']))
f.write('rule cxx.{}\n'.format(mode))
f.write(' command = $cxx -MMD -MT $out -MF $out.d $cxxflags $cxxflags_{} -c -o $out $in\n'.format(mode))
f.write(' description = CXX $out\n')
f.write(' depfile = $out.d\n')
f.write('rule link.{}\n'.format(mode))
f.write(' command = $cxx $cxxflags $cxxflags_{} $ldflags -o $out $in $libs $libs_{}\n'.format(mode, mode))
f.write(' description = LINK $out\n')
f.write(textwrap.dedent('''\
cxxflags_{mode} = {sanitize} {opt}
libs_{mode} = {libs}
rule cxx.{mode}
command = $cxx -MMD -MT $out -MF $out.d $cxxflags $cxxflags_{mode} -c -o $out $in
description = CXX $out
depfile = $out.d)
rule link.{mode}
command = $cxx $cxxflags $cxxflags_{mode} $ldflags -o $out $in $libs $libs_{mode}
description = LINK $out
''').format(mode = mode, **modeval))
compiles = {}
for binary in apps.split() + tests.split():
srcs = deps[binary].split()
@@ -76,7 +80,9 @@ with open(buildfile, 'w') as f:
for obj in compiles:
src = compiles[obj]
f.write('build {}: cxx.{} {}\n'.format(obj, mode, src))
f.write('rule configure\n')
f.write(' command = python3 configure.py\n')
f.write(' generator = 1\n')
f.write('build $builddir/build.ninja: configure | configure.py\n')
f.write(textwrap.dedent('''\
rule configure
command = python3 configure.py
generator = 1
build $builddir/build.ninja: configure | configure.py
'''))