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Fix the case where the number of jobs is less than the

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number of threads.  In that case make the number of threads
equal to the number of jobs and launch one jobs on each
thread.  This makes things work like make -j.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127045 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Greene 2011-03-04 23:02:52 +00:00
parent 0795abd0d4
commit b1939d5db6
1 changed files with 12 additions and 3 deletions
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15
utils/llvmbuild
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@ -650,7 +650,8 @@ class Builder(threading.Thread):
def configure(self, component, srcdir, builddir, flags, env):
self.logger.debug("Configure " + str(flags))
self.logger.debug("Configure " + str(flags) + " " + str(srcdir) + " -> "
+ str(builddir))
configure_files = dict(
llvm=[(srcdir + "/configure", builddir + "/Makefile")],
@ -721,8 +722,16 @@ branch_abbrev = get_path_abbrevs(set(options.branch))
work_queue = queue.Queue()
for t in range(options.threads):
jobs = options.jobs // options.threads
jobs = options.jobs // options.threads
if jobs == 0:
jobs = 1
numthreads = options.threads
if jobs < numthreads:
numthreads = jobs
jobs = 1
for t in range(numthreads):
builder = Builder(work_queue, jobs,
build_abbrev, source_abbrev, branch_abbrev,
options)