recipes: Disable clang dependent recipes for riscv64/32

Since clang is not buildable for RISC-V, as yet, these should be
disabled as well.

Signed-off-by: Khem Raj <raj.khem@gmail.com>

recipes-qt/packagegroups/packagegroup-qt5-toolchain-target.bb

@@ -108,8 +108,13 @@ RDEPENDS_${PN} += " \
     qtquickcontrols2-dev \
     qtquickcontrols2-mkspecs \
 "
+RDEPENDS_${PN}_remove_toolchain-clang_riscv32 = "qttools-dev qttools-mkspecs qttools-staticdev qttools-tools"
+RDEPENDS_${PN}_remove_toolchain-clang_riscv64 = "qttools-dev qttools-mkspecs qttools-staticdev qttools-tools"
 
 RRECOMMENDS_${PN} += " \
     qtquickcontrols-qmlplugins \
     qttools-plugins \
 "
+
+RRECOMMENDS_${PN}_remove_toolchain-clang_riscv32 = "qttools-plugins"
+RRECOMMENDS_${PN}_remove_toolchain-clang_riscv64 = "qttools-plugins"

recipes-qt/qt5/qt5-creator_git.bb

@@ -35,6 +35,9 @@ EXTRA_QMAKEVARS_PRE += "IDE_LIBRARY_BASENAME=${baselib}${QT_DIR_NAME}"
 
 EXTRANATIVEPATH += "chrpath-native"
 
+COMPATIBLE_HOST_toolchain-clang_riscv32 = "null"
+COMPATIBLE_HOST_toolchain-clang_riscv64 = "null"
+
 do_configure_append() {
     # Find native tools
     sed -i 's:${STAGING_BINDIR}.*/qdoc:${OE_QMAKE_PATH_EXTERNAL_HOST_BINS}/qdoc:g' ${B}/Makefile

recipes-qt/qt5/qttools_git.bb

@@ -30,6 +30,9 @@ PACKAGECONFIG_append_toolchain-clang = " clang"
 PACKAGECONFIG[qtwebkit] = ",,qtwebkit"
 PACKAGECONFIG[clang] = ",,clang"
 
+COMPATIBLE_HOST_toolchain-clang_riscv32 = "null"
+COMPATIBLE_HOST_toolchain-clang_riscv64 = "null"
+
 export YOCTO_ALTERNATE_EXE_PATH = "${STAGING_BINDIR}/llvm-config"
 
 EXTRA_QMAKEVARS_PRE += " \

recipes-qt/qwt/qwt-qt5_6.1.4.bb

@@ -8,6 +8,9 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=dac2743472b0462ff3cfb4af42051c88"
 
 DEPENDS = "qtbase qtsvg qttools"
 
+COMPATIBLE_HOST_toolchain-clang_riscv32 = "null"
+COMPATIBLE_HOST_toolchain-clang_riscv64 = "null"
+
 inherit qmake5
 
 SRC_URI = " \