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Support optional debian parallel builds 

With this commit we allow getting `make -jN` behavior by setting
`parallel=N` in `DEB_BUILD_OPTIONS`.  Setting `parallel=` will result
in `make -j` being run (i.e. no limit on the number of jobs).  The
default is to run one job at a time; this is still the safest bet when
building all modules.

Thanks to Peter Wu for suggesting a different way to do this.

ref: https://www.debian.org/doc/debian-policy/ch-source.html#s-debianrules-options
This commit is contained in:
Travis Cross 2014-12-25 06:42:14 +00:00
parent 430433a6d7
commit d88bae1a62
1 changed files with 6 additions and 1 deletions
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7
debian/rules vendored
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@ -20,6 +20,11 @@ export CFLAGS:=$(FS_CFLAGS)
export CXXFLAGS:=$(FS_CXXFLAGS)
export LDFLAGS:=$(FS_LDFLAGS)
NJOBS=1
ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
NJOBS=$(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
endif
show_vars= \
echo; \
echo "Making target $@"; \
@ -91,7 +96,7 @@ override_dh_auto_configure: .stamp-configure
.stamp-build: .stamp-configure
@$(call show_vars)
make
make -j$(NJOBS)
touch $@
override_dh_auto_build: .stamp-build