[gnome-continuous-yocto/gnomeostree-3.28-rocko: 4331/8267] expect: support native compilation

[Emmanuele Bassi <ebassi src gnome org>]

commit fdd6d5daf12d526b8ce4d1b1cdedd1628a8dfeb7
Author: Patrick Ohly <patrick ohly intel com>
Date:   Mon Jan 23 15:17:03 2017 +0100

    expect: support native compilation
    
    This is needed for building the swtpm TPM simulator (recipe
    in meta-security).
    
    "nativesdk" is added just in case that someone also wants this
    in an SDK.
    
    (From OE-Core rev: 4b43aab5b2043a5b83ef1fa9a8406f8a46ccfa72)
    
    Signed-off-by: Patrick Ohly <patrick ohly intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/recipes-devtools/expect/expect_5.45.bb |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/meta/recipes-devtools/expect/expect_5.45.bb b/meta/recipes-devtools/expect/expect_5.45.bb
index b4dfe15..ab22a61 100644
--- a/meta/recipes-devtools/expect/expect_5.45.bb
+++ b/meta/recipes-devtools/expect/expect_5.45.bb
@@ -43,11 +43,16 @@ do_install_append() {
         sed -e 's|$dir|${libdir}|' -i ${D}${libdir}/expect${PV}/pkgIndex.tcl
 }
 
+# Apparently the public Tcl headers are only in /usr/include/tcl8.6
+# when building for the target.
+TCL_INCLUDE_PATH = ""
+TCL_INCLUDE_PATH_class-target = "--with-tclinclude=${STAGING_INCDIR}/tcl8.6"
+
 EXTRA_OECONF += "--with-tcl=${STAGING_LIBDIR} \
-                 --with-tclinclude=${STAGING_INCDIR}/tcl8.6 \
                  --enable-shared \
                  --enable-threads \
                  --disable-rpath \
+                 ${TCL_INCLUDE_PATH} \
                 "
 EXTRA_OEMAKE_install = " 'SCRIPTS=' "
 
@@ -62,3 +67,5 @@ FILES_${PN}-dev = "${libdir_native}/expect${PV}/libexpect*.so \
 FILES_${PN} += "${libdir}/libexpect${PV}.so \
                 ${libdir}/expect${PV}/* \
                "
+
+BBCLASSEXTEND = "native nativesdk"