debian: enable parallel make

Use parallel make to speed up dpkg builds.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Nathan Scott <nathans@debian.org>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>

diff --git a/debian/rules b/debian/rules
index 7c2a8b3c8cc741f5c172af7aef82d03def42a81b..e8509fb3042028597ab792e10b9cb27930a597a2 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -2,6 +2,11 @@
 
 export DH_VERBOSE=1
 
+ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
+    NUMJOBS = $(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
+    PMAKEFLAGS += -j$(NUMJOBS)
+endif
+
 package = xfsprogs
 develop = xfslibs-dev
 bootpkg = xfsprogs-udeb
@@ -30,7 +35,7 @@ build-arch: built
 build-indep: built
 built: dibuild config
        @echo "== dpkg-buildpackage: build" 1>&2
-       $(MAKE) default
+       $(MAKE) $(PMAKEFLAGS) default
        touch built
 
 config: .census
@@ -38,7 +43,7 @@ config: .census
        @echo "== dpkg-buildpackage: configure" 1>&2
        $(checkdir)
        AUTOHEADER=/bin/true dh_autoreconf
-       $(options) $(MAKE) include/platform_defs.h
+       $(options) $(MAKE) $(PMAKEFLAGS) include/platform_defs.h
        touch .census
 
 dibuild:
@@ -48,10 +53,10 @@ dibuild:
                $(diopts) $(MAKE) include/platform_defs.h; \
                mkdir -p include/xfs; \
                for dir in include libxfs; do \
-                       $(MAKE) -C $$dir NODEP=1 install-headers; \
+                       $(MAKE) $(PMAKEFLAGS) -C $$dir NODEP=1 install-headers; \
                done; \
                for dir in include libxfs libxcmd libfrog mkfs; do \
-                       $(MAKE) $$dir; \
+                       $(MAKE) $(PMAKEFLAGS) $$dir; \
                done; \
                mv mkfs/mkfs.xfs mkfs/mkfs.xfs-$(bootpkg); \
                $(MAKE) distclean; \