Hi All I'm trying to building package, so how i got error during the process. I have no problem to build freeradius 2.1.0 package at this pc. Please assist. Below are the logs dpkg-buildpackage  -b -uc dpkg-buildpackage: set CPPFLAGS to default value: dpkg-buildpackage: set CFLAGS to default value: -g -O2 dpkg-buildpackage: set CXXFLAGS to default value: -g -O2 dpkg-buildpackage: set FFLAGS to default value: -g -O2 dpkg-buildpackage: set LDFLAGS to default value: -Wl,-Bsymbolic-functions dpkg-buildpackage: source package freeradius dpkg-buildpackage: source version 2.1.1-0 dpkg-buildpackage: source changed by Alan DeKok <aland@freeradius.org> dpkg-buildpackage: host architecture i386  debian/rules clean dpatch  deapply-all 02-dialupadmin-help not applied to ./ . attempting to revert failed patch 01-radiusd-to-freeradius from ./:   md5sums match, proceeding ... done (neither success nor failure guaranteed) rm -rf patch-stamp patch-stampT debian/patched dh_testdir dh_clean rm -f build-arch-stamp build-indep-stamp libltdl/stamp-h1 rm -f install-arch-stamp install-indep-stamp configure-stamp [ -f Make.inc ] && make distclean || true # The make clean forgets to remove this build directory [ -d src/modules/lib ] && rm -fr src/modules/lib || true # Put the original autotools files back in place [ -f config.sub.dist ] && rm config.sub && mv config.sub.dist config.sub || true [ -f config.guess.dist ] && rm config.guess && mv config.guess.dist config.guess || true  debian/rules build test -d debian/patched || install -d debian/patched dpatch  apply-all applying patch 01-radiusd-to-freeradius to ./ ... failed. make: *** [patch-stamp] Error 1 dpkg-buildpackage: failure: debian/rules build gave error exit status 2 Thank you.