[gnome-continuous-yocto/gnomeostree-3.28-rocko: 5697/8267] cmake.bbclass: Set CMAKE_CROSSCOMPILING correctly

[Emmanuele Bassi <ebassi src gnome org>]

commit 3b3aab0e8d2937505a15d273f3620a5c5c09165c
Author: Kyle Russell <bkylerussell gmail com>
Date:   Tue Apr 18 11:36:05 2017 -0400

    cmake.bbclass: Set CMAKE_CROSSCOMPILING correctly
    
    If CMAKE_SYSTEM_NAME is defined, CMake assumes we're cross-compiling,
    which is not necessarily the case.
    
    (From OE-Core rev: bd082c9be6191e67ea1b1bf10ce5e130a3433ab5)
    
    Signed-off-by: Kyle Russell <bkylerussell gmail com>
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/classes/cmake.bbclass |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/meta/classes/cmake.bbclass b/meta/classes/cmake.bbclass
index 9e74599..3f67091 100644
--- a/meta/classes/cmake.bbclass
+++ b/meta/classes/cmake.bbclass
@@ -42,9 +42,13 @@ def map_target_arch_to_uname_arch(target_arch):
     return target_arch
 
 cmake_do_generate_toolchain_file() {
+       if [ "${BUILD_SYS}" = "${HOST_SYS}" ]; then
+           CMAKE_CROSSCOMPILING="set( CMAKE_CROSSCOMPILING FALSE )"
+       fi
        cat > ${WORKDIR}/toolchain.cmake <<EOF
 # CMake system name must be something like "Linux".
 # This is important for cross-compiling.
+${CMAKE_CROSSCOMPILING}
 set( CMAKE_SYSTEM_NAME `echo ${TARGET_OS} | sed -e 's/^./\u&/' -e 's/^\(Linux\).*/\1/'` )
 set( CMAKE_SYSTEM_PROCESSOR ${@map_target_arch_to_uname_arch(d.getVar('TARGET_ARCH'))} )
 set( CMAKE_C_COMPILER ${OECMAKE_C_COMPILER} )