qmake5: Fix cleaning separate build directory and use it by default

* "${B}/*" in quotes doesn't match anything, better to remove whole directory
  (incluing .files) and recreate it
* not sure why I've added quotes after testing first version, we don't
  expect B with spaces.. but I'm a bit scared with rm -rf ${SOME_VAR}
  after one glibc upgrade cleaned my whole disk and attached NFS array
  when OLD_LOCALE_PATH wasn't detected correctly...
* qmake works well with separate B, use it by default

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/classes/qmake5_base.bbclass b/classes/qmake5_base.bbclass
index 9aeafd70..0bfacec3 100644
--- a/classes/qmake5_base.bbclass
+++ b/classes/qmake5_base.bbclass
@@ -124,6 +124,33 @@ EOF
 # TargetSpec The location where to install target mkspec
 # HostSpec The location where to install host mkspec
 
+# qmake works fine with separate B, use it by default
+SEPB = "${WORKDIR}/build"
+B = "${SEPB}"
+
+CONFIGURESTAMPFILE = "${WORKDIR}/qmake5_base_configure.sstate"
+
+qmake5_base_preconfigure() {
+        if [ -n "${CONFIGURESTAMPFILE}" -a -e "${CONFIGURESTAMPFILE}" ]; then
+                if [ "`cat ${CONFIGURESTAMPFILE}`" != "${BB_TASKHASH}" -a "${S}" != "${B}" ]; then
+                        echo "Previously configured separate build directory detected, cleaning ${B}"
+                        rm -rf ${B}
+                        mkdir ${B}
+                fi
+        fi
+}
+
+qmake5_base_postconfigure(){
+        if [ -n "${CONFIGURESTAMPFILE}" ]; then
+                echo ${BB_TASKHASH} > ${CONFIGURESTAMPFILE}
+        fi
+}
+
+EXTRAQCONFFUNCS ??= ""
+
+do_configure[prefuncs] += "qmake5_base_preconfigure ${EXTRAQCONFFUNCS}"
+do_configure[postfuncs] += "qmake5_base_postconfigure"
+
 addtask generate_qt_config_file after do_patch before do_configure
 
 qmake5_base_do_configure () {