NOTMUCH_SRCDIR='${NOTMUCH_SRCDIR}'
 
+# Flags needed to compile and link against Xapian
+NOTMUCH_XAPIAN_CXXFLAGS="${xapian_cxxflags}"
+NOTMUCH_XAPIAN_LDFLAGS="${xapian_ldflags}"
+
 # Whether to have Xapian retry lock
 NOTMUCH_HAVE_XAPIAN_DB_RETRY_LOCK=${WITH_RETRY_LOCK}
 
+# Flags needed to compile and link against GMime
+NOTMUCH_GMIME_CFLAGS="${gmime_cflags}"
+NOTMUCH_GMIME_LDFLAGS="${gmime_ldflags}"
+
 # Whether GMime can verify X.509 certificate validity
 NOTMUCH_GMIME_X509_CERT_VALIDITY=${gmime_x509_cert_validity}
 
 # Whether GMime can verify signatures when decrypting with a session key:
 NOTMUCH_GMIME_VERIFY_WITH_SESSION_KEY=${gmime_verify_with_session_key}
 
+# Flags needed to compile and link against zlib
+NOTMUCH_ZLIB_CFLAGS="${zlib_cflags}"
+NOTMUCH_ZLIB_LDFLAGS="${zlib_ldflags}"
+
 # Does the C compiler support the address sanitizer
 NOTMUCH_HAVE_ASAN=${have_asan}
 
 # Is the sfsexp library available?
 NOTMUCH_HAVE_SFSEXP=${have_sfsexp}
 
+# And if so, flags needed at compile/link time for sfsexp
+NOTMUCH_SFSEXP_CFLAGS="${sfsexp_cflags}"
+NOTMUCH_SFSEXP_LDFLAGS="${sfsexp_ldflags}"
+
 # Platform we are run on
 PLATFORM=${platform}
 EOF
 
     notmuch_dir_sanitize OUTPUT.stdout OUTPUT.stderr | notmuch_exception_sanitize | notmuch_debug_sanitize > OUTPUT
 }
 
+test_private_C () {
+    local exec_file test_file
+    exec_file="test${test_count}"
+    test_file="${exec_file}.c"
+    echo '#include <notmuch-private.h>' > ${test_file}
+    cat >> ${test_file}
+    ${TEST_CC} ${TEST_CFLAGS} -I${NOTMUCH_SRCDIR}/test -I${NOTMUCH_SRCDIR}/lib -I${NOTMUCH_SRCDIR}/util -I${NOTMUCH_SRCDIR}/compat ${NOTMUCH_GMIME_CFLAGS} -o ${exec_file} ${test_file} ${NOTMUCH_BUILDDIR}/lib/libnotmuch.a ${NOTMUCH_GMIME_LDFLAGS} ${NOTMUCH_XAPIAN_LDFLAGS} ${NOTMUCH_BUILDDIR}/util/libnotmuch_util.a ${NOTMUCH_SFSEXP_LDFLAGS} ${NOTMUCH_BUILDDIR}/parse-time-string/libparse-time-string.a -ltalloc -lstdc++
+    echo "== stdout ==" > OUTPUT.stdout
+    echo "== stderr ==" > OUTPUT.stderr
+    ./${exec_file} "$@" 1>>OUTPUT.stdout 2>>OUTPUT.stderr
+    notmuch_dir_sanitize OUTPUT.stdout OUTPUT.stderr | notmuch_exception_sanitize | notmuch_debug_sanitize > OUTPUT
+}
+
 make_shim () {
     local base_name test_file shim_file
     base_name="$1"