user@host:~$ dpkg --get-selections | grep libxml2
libxml2:amd64                   install
libxml2-dev:amd64               install
user@host:~$ dpkg --get-selections | grep libxmlsec1
libxmlsec1                  install
libxmlsec1-dev                  install
libxmlsec1-gcrypt               install
libxmlsec1-gnutls               install
libxmlsec1-nss                  install
libxmlsec1-openssl              install
user@host:~$ dpkg --get-selections | grep python-dev
python-dev                  install

creating build/temp.linux-x86_64-2.7/src/xmlsec

gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -DXMLSEC_NO_CRYPTO_DYNAMIC_LOADING=1 -DXMLSEC_OPENSSL_098=1 -DXMLSEC_NO_GOST=1 -D__XMLSEC_FUNCTION__=__FUNCTION__ -DXMLSEC_CRYPTO_OPENSSL=1 -DXMLSEC_NO_XKMS=1 -DXMLSEC_NO_SIZE_T= -DXMLSEC_CRYPTO=openssl -I/usr/local/lib/python2.7/dist-packages/lxml -I/usr/local/lib/python2.7/dist-packages/lxml/includes -Isrc -I/usr/include/xmlsec1 -I/usr/include/libxml2 -I/usr/include/python2.7 -c src/xmlsec/constants.c -o build/temp.linux-x86_64-2.7/src/xmlsec/constants.o -DXMLSEC_CRYPTO_OPENSSL=1

gcc: error: src/xmlsec/constants.c: No such file or directory

gcc: fatal error: no input files

compilation terminated.

error: command 'gcc' failed with exit status 4