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           dpkg-buildpackage [option...]


           dpkg-buildpackage is a program that automates the process of building a
           Debian package. It consists of the following steps:
           1. It prepares the build environment  by  setting  various  environment
              variables  (see  ENVIRONMENT)  and  calls dpkg-source --before-build
              (unless -T or --target has been used).
           2. It checks that the build-dependencies and build-conflicts are satis-
              fied (unless -d is specified).
           3. If  a  specific  target  has  been  selected with the -T or --target
              option, it calls that target and  stops  here.  Otherwise  it  calls
              fakeroot  debian/rules  clean to clean the build-tree (unless -nc is
           4. It calls dpkg-source -b to generate the  source  package  (unless  a
              binary-only build has been requested with -b, -B or -A).
           5. It  calls  debian/rules  build  followed  by  fakeroot  debian/rules
              binary-target (unless a source-only build has  been  requested  with
              -S).  Note  that binary-target is either binary (default case, or if
              -b is specified) or binary-arch (if -B is specified) or binary-indep
              (if -A is specified).
           6. It  calls  gpg  to  sign the .dsc file (if any, unless -us is speci-
           7. It  calls  dpkg-genchanges  to  generate  a  .changes  file.    Many
              dpkg-buildpackage options are forwarded to dpkg-genchanges.
           8. It calls gpg to sign the .changes file (unless -uc is specified).
           9. If -tc is specified, it will call fakeroot debian/rules clean again.
              Finally it calls dpkg-source --after-build.


           -b     Specifies a binary-only build, no source files are to  be  built
                  and/or distributed. Passed to dpkg-genchanges.
           -B     Specifies a binary-only build, limited to architecture dependent
                  packages.  Passed to dpkg-genchanges.
           -A     Specifies a binary-only build, limited to architecture  indepen-
                  dent packages. Passed to dpkg-genchanges.
           -S     Specifies  a  source-only  build,  no binary packages need to be
                  made.  Passed to dpkg-genchanges.
                  Only meaningful together with --target. Requires that the target
                  be run with root rights.
                  Passed unchanged to dpkg-genchanges. See its manual page.
                  Specify  the  Debian architecture we build for. The architecture
                  of the machine we build on is determined automatically,  and  is
                  also the default for the host machine.
                  Specify  the  GNU  system  type  we build for. It can be used in
                  place of -a or as a complement to override the default GNU  sys-
                  tem type of the target Debian architecture.
           -jjobs Number  of  jobs allowed to be run simultaneously, equivalent to
                  the make(1) option of the same name.  Will  add  itself  to  the
                  MAKEFLAGS  environment  variable,  which should cause all subse-
                  quent make invocations to inherit the option. Also  adds  paral-
                  lel=jobs  to  the  DEB_BUILD_OPTIONS  environment variable which
                  allows debian/rules files to use this information for their  own
                  purposes.   The  parallel=jobs  in DEB_BUILD_OPTIONS environment
                  variable will override the -j value if this option is given.
           -D     Check build dependencies and conflicts;  abort  if  unsatisfied.
                  This is the default behavior.
           -d     Do not check build dependencies and conflicts.
           -nc    Do  not  clean  the  source tree (implies -b if nothing else has
                  been selected among -B, -A or -S).
           -tc    Clean the  source  tree  (using  gain-root-command  debian/rules
                  clean) after the package has been built.
                  When  dpkg-buildpackage  needs to execute part of the build pro-
                  cess as root, it prefixes the command  it  executes  with  gain-
                  root-command  if  one has been specified. Otherwise, if none has
                  been specified, fakeroot will be used by default, if the command
                  is  present.   gain-root-command should start with the name of a
                  program on the PATH and will get as arguments the  name  of  the
                  real  command  to  run  and the arguments it should take.  gain-
                  root-command can include parameters (they  must  be  space-sepa-
                  rated)  but  no  shell  metacharacters.  gain-root-command might
                  When dpkg-buildpackage needs to execute GPG or  PGP  to  sign  a
                  source  control (.dsc) file or a .changes file it will run sign-
                  command (searching the PATH if necessary) instead of gpg.  sign-
                  command  will  get all the arguments that pgp would have gotten.
                  If sign-command takes its  arguments  in  GPG  rather  than  PGP
                  style, you should give the -sgpg option. sign-command should not
                  contain spaces or any other shell metacharacters.
                  Specify a key-ID to use when signing packages.
           -us    Do not sign the source package.
           -uc    Do not sign the .changes file.
           -z, -Z
                  Passed unchanged to dpkg-source. See its manual page.
                  Pass option opt to dpkg-source.
                  Pass option opt to dpkg-genchanges.
           --admindir dir
                  Change the location of the dpkg database. The  default  location
                  is /var/lib/dpkg.
           -h, --help
                  Show the usage message and exit.
                  Show the version and exit.


           Even  if  dpkg-buildpackage exports some variables, debian/rules should
           not rely on their presence and should instead use the respective inter-
           face to retrieve the needed values.
       Variables set by dpkg-architecture
           dpkg-architecture  is  called  with the -a and -t parameters forwarded.
           Any variable that is output by its -s option is integrated in the build
       Compiler flags
           The  CFLAGS,  CXXFLAGS,  FFLAGS, CPPFLAGS and LDFLAGS environment vari-
           ables are set to the values that dpkg-buildflags returned. See its man-
           ual page for more information.
           This  is free software; see the GNU General Public Licence version 2 or
           later for copying conditions. There is NO WARRANTY.

    Debian Project 2011-08-14 dpkg-buildpackage(1)


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