sdbus-c++: don't fetch googletest during do_configure

* with PTEST_ENABLED it enables with-tests PACKAGECONFIG which
  instead of using system googletest gmock, tries to fetch googletest
  from github and fails because branch was recently renamed from master to main

| -- Found PkgConfig: /OE/tmp-glibc/work/qemux86-oe-linux/sdbus-c++/0.8.3-r0/recipe-sysroot-native/usr/bin/pkg-config (found version "0.29.2")
| -- Checking for module 'libsystemd>=236'
| --   Found libsystemd, version 249
| -- Building with tests
| Fetching googletest...
| [1/9] Creating directories for 'googletest-populate'
| [1/9] Performing download step (git clone) for 'googletest-populate'
| Cloning into 'googletest-src'...
| fatal: invalid reference: master
| CMake Error at googletest-subbuild/googletest-populate-prefix/tmp/googletest-populate-gitclone.cmake:40 (message):
|   Failed to checkout tag: 'master'
|
|
| FAILED: googletest-populate-prefix/src/googletest-populate-stamp/googletest-populate-download
| cd /OE/tmp-glibc/work/qemux86-oe-linux/sdbus-c++/0.8.3-r0/build/_deps && /OE/tmp-glibc/work/qemux86-oe-linux/sdbus-c++/0.8.3-r0/recipe-sysroot-native/usr/bin/cmake -P /OE/tmp-glibc/work/qemux86-oe-linux/sdbus-c++/0.8.3-r0/build/_deps/googletest-subbuild/googletest-populate-prefix/tmp/googletest-populate-gitclone.cmake && /OE/tmp-glibc/work/qemux86-oe-linux/sdbus-c++/0.8.3-r0/recipe-sysroot-native/usr/bin/cmake -E touch /OE/tmp-glibc/work/qemux86-oe-linux/sdbus-c++/0.8.3-r0/build/_deps/googletest-subbuild/googletest-populate-prefix/src/googletest-populate-stamp/googletest-populate-download
| ninja: build stopped: subcommand failed.
|
| CMake Error at /OE/tmp-glibc/work/qemux86-oe-linux/sdbus-c++/0.8.3-r0/recipe-sysroot-native/usr/share/cmake-3.19/Modules/FetchContent.cmake:989 (message):
|   Build step for googletest failed: 1
| Call Stack (most recent call first):
|   /OE/tmp-glibc/work/qemux86-oe-linux/sdbus-c++/0.8.3-r0/recipe-sysroot-native/usr/share/cmake-3.19/Modules/FetchContent.cmake:1118:EVAL:2 (__FetchContent_directPopulate)
|   /OE/tmp-glibc/work/qemux86-oe-linux/sdbus-c++/0.8.3-r0/recipe-sysroot-native/usr/share/cmake-3.19/Modules/FetchContent.cmake:1118 (cmake_language)
|   tests/CMakeLists.txt:17 (FetchContent_Populate)
|
|
| -- Configuring incomplete, errors occurred!

* unfortunately this backported patch fixes the fetching failure, because
  it uses release-${GOOGLETEST_VERSION} tag instead of now non-existent
  master branch, but is not enough to prevent fetching from github during
  do_configure:

  -- Building with tests
  -- Could NOT find GTest (missing: GTest_DIR)
  -- Checking for module 'gmock>=1.10.0'
  --   No package 'gmock' found
  Fetching googletest...

  we also need to add googletest dependency to with-tests PACKAGECONFIG was fixed in meta-oe/master with the upgrade to 1.0.0:
  https://github.com/openembedded/meta-openembedded/commit/b26b66e5da92718b4e99a57fbfaaef9e751c3cfe#diff-48a847e7323703994fd2ce0fcb731ff860fa955a77cdfe39d71a9cc84a042c06L15

  then it's ok and not fetching:

  -- Building with tests
  -- Looking for pthread.h
  -- Looking for pthread.h - found

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

0 files changed, 0 insertions, 0 deletions