configure: Use pkg-config to locate SAPI and TCTI headers / libraries.

Signed-off-by: Philip Tricca <[email protected]>

INSTALL

@@ -2,6 +2,7 @@ To build and install the tpm2.0-tools software the following software is require
 GNU Autoconf
 GNU Automake
 GNU Libtool
+pkg-config
 C compiler
 C++ compiler
 C Library Development Libraries and Header Files (for pthreads headers)

configure.ac

@@ -6,21 +6,6 @@ LT_INIT
 AM_INIT_AUTOMAKE([foreign
                   subdir-objects])
 AC_CONFIG_FILES([Makefile])
-AC_CHECK_HEADER([tss2/tpm20.h],
-                [
-                 AC_DEFINE([HAVE_TPM20_H],
-                           [1],
-                           [Define if tpm20.h exists.])
-                 ],
-                [AC_MSG_ERROR([Missing TSS2 headers.])])
-AC_CHECK_HEADER([tcti/tcti_socket.h],
-                [
-                 AC_DEFINE([HAVE_TCTI_SOCKET_H],
-                           [1],
-                           [Define if tcti_socket.h exists.])
-                 ],
-                [AC_MSG_ERROR([Missing TCTI socket header.])],
-                [#include <tss2/tpm20.h>])
 AC_CHECK_HEADER([openssl/sha.h],
                 [
                  AC_DEFINE([HAVE_OPENSSL_H],
@@ -35,10 +20,7 @@ AC_CHECK_HEADER([curl/curl.h],
                            [Define if curl.h exists.])
                  ],
                 [AC_MSG_ERROR([Missing CURL headers.])])
-AC_CHECK_LIB([tss2], [Tss2_Sys_GetContextSize], [],
-             [AC_MSG_ERROR([Missing TSS2 library.])], [])
-AC_CHECK_LIB([crypto], [SHA256_Init], [],
-             [AC_MSG_ERROR([Missing CRYPTO library.])], [])
-AC_CHECK_LIB([curl], [curl_easy_init], [],
-             [AC_MSG_ERROR([Missing CURL library.])], [])
+PKG_CHECK_MODULES([SAPI],[sapi])
+PKG_CHECK_MODULES([TCTI_SOCK],[tcti-socket])
+PKG_CHECK_MODULES([TCTI_DEV],[tcti-device])
 AC_OUTPUT