- export CXXFLAGS = $(shell dpkg-buildflags --get CXXFLAGS)
- export LDFLAGS = $(shell dpkg-buildflags --get LDFLAGS)
- export CPPFLAGS = $(shell dpkg-buildflags --get CPPFLAGS)
+ # make does not export to $(shell) so we need to workaround
+ # (http://savannah.gnu.org/bugs/?10593)
+ dpkg_buildflags = DEB_BUILD_MAINT_OPTIONS=hardening=+all dpkg-buildflags
+ export CXXFLAGS = $(shell $(dpkg_buildflags) --get CXXFLAGS)
+ export LDFLAGS = $(shell $(dpkg_buildflags) --get LDFLAGS)
+ export CPPFLAGS = $(shell $(dpkg_buildflags) --get CPPFLAGS)