Aqui comigo o ocorre o erro:
C:\ACBR\Fontes\ACBrDFe\ACBrDFeXsXmlSec.pas(188) Error: E2003 Undeclared identifier: 'LibXmlInit'
C:\ACBR\Fontes\ACBrDFe\ACBrDFeXsXmlSec.pas(264) Error: E2003 Undeclared identifier: 'LibXmlShutDown'
C:\ACBR\Fontes\ACBrDFe\ACBrDFeXsXmlSec.pas(453) Error: E2003 Undeclared identifier: 'LibXmlFindSignatureNode'
C:\ACBR\Fontes\ACBrDFe\ACBrDFeXsXmlSec.pas(515) Error: E2003 Undeclared identifier: 'LibXmlEstaAssinado'
C:\ACBR\Fontes\ACBrDFe\ACBrDFeXsXmlSec.pas(704) Error: E2003 Undeclared identifier: 'LibXmlFindSignatureNode'
C:\ACBR\Fontes\ACBrDFe\ACBrDFeSSL.pas(443) Fatal: F2063 Could not compile used unit 'ACBrDFeXsXmlSec.pas'
Compilation failure
Erro ao compilar o pacote "ACBr_DFeComum.dpk".
Abortando... Ocorreram erros na compilação dos pacotes.
Estou na revisão 14810.