[Build-common-hackers] Bug#521872: makefile-vars.mk clobbers LDFLAGS and others

Martin Pitt martin.pitt at ubuntu.com
Mon Mar 30 16:58:43 UTC 2009

Package: cdbs
Version: 0.4.55
Severity: important


In https://launchpad.net/bugs/138981 it was reported that cdbs'
makefile-vars.mk clobbers LDFLAGS/CFLAGS set by upstream makefiles.

DEB_MAKE_INVOKE = $(DEB_MAKE_ENVVARS) $(MAKE) $(if $(DEB_MAKE_MAKEFILE), -f $(DEB_MAKE_MAKEFILE),) -C $(DEB_BUILDDIR) CFLAGS=$(if $(CFLAGS_$(cdbs_curpkg)),"$(CFLAGS_$(cdbs_curpkg))","$(CFLAGS)") CXXFLAGS=$(if $(CXXFLAGS_$(cdbs_curpkg)),"$(CXXFLAGS_$(cdbs_curpkg))","$(CXXFLAGS)") CPPFLAGS=$(if $(CPPFLAGS_$(cdbs_curpkg)),"$(CPPFLAGS_$(cdbs_curpkg))","$(CPPFLAGS)") LDFLAGS=$(if $(LDFLAGS_$(cdbs_curpkg)),"$(LDFLAGS_$(cdbs_curpkg))","$(LDFLAGS)")

This is wrong, since if $LDFLAGS is not set in the environment, but in the
upstream Makefiles, this ends up as

  make LDFLAGS=""

and thus upstream makefiles which only provide defaults (instead of overriding)

Patching this is obvious, the "LDFLAGS=" simply needs to be moved into the
conditional substitution, but I wouldn't like to change this in Ubuntu
without having it changed in Debian as well, to avoid toolchain

Thanks for considering,


Martin Pitt                        | http://www.piware.de
Ubuntu Developer (www.ubuntu.com)  | Debian Developer  (www.debian.org)
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