Detail installed version of xmlsec library
xmlsec1-config [OPTION]...
Known values for OPTION are:
--prefix=DIR
change XMLSEC prefix
--exec-prefix=DIR
change XMLSEC executable prefix
--libs
print library linking information
--cflags
print pre-processor and compiler flags
--crypto
print the default crypto library name
--help
display this help and exit
--version
output version information
--crypto=LIB
configure with XMLSEC crypto library (one of the following: none default openssl nss gnutls gcrypt)