tpm2: Build libtpms with TPM 2 code now

Now that patches for writing the state into files and extensions
to their headers have all been applied we can build the TPM 2
code into the library.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>

.travis.yml

@@ -1,8 +1,9 @@
 language: c
 dist: trusty
 before_install:
-- sudo apt-get install automake autoconf libtool libssl-dev sed make gawk sed bash dh-exec
-script: "./bootstrap.sh && ./configure --with-openssl --prefix=/usr &&
+- sudo apt-get install automake autoconf libtool libssl-dev sed make gawk sed bash
+  dh-exec
+script: "./bootstrap.sh && ./configure --with-openssl --prefix=/usr --with-tpm2 &&
   make -j4 check"
 env:
   global:
@@ -16,3 +17,4 @@ addons:
     build_command_prepend: "./bootstrap.sh; ./configure --with-openssl --with-tpm2; make clean"
     build_command: make -j4
     branch_pattern: coverity_scan
+script: ./bootstrap.sh && ./configure --with-openssl --prefix=/usr --with-tpm2 && make -j4 check

configure.ac

@@ -196,12 +196,6 @@ fi
 if test -z "$with_tpm2"; then
     with_tpm2=no
 fi
-if test "x$with_tpm2" = "xyes"; then
-    # remove the following to compile anyway; created vTPM state
-    # will not be compatible
-    AC_MSG_ERROR([Not compiling with TPM2 support])
-    exit 1
-fi
 
 echo
 echo "CFLAGS=$CFLAGS"