Remove build directory entirely before new configuration build

If old build directory exists, CMake finds <package>-config.cmake from old build directory. It's incompatible with new configuration.
tanyaschlusser · Feb 19, 2019 · ca0f67c · ca0f67c
1 parent 9516d2f
commit ca0f67c
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diff --git a/ci/appveyor-cpp-build.bat b/ci/appveyor-cpp-build.bat
@@ -44,6 +44,7 @@ if "%JOB%" == "Static_Crt_Build" (
   cmake --build . --config Debug || exit /B
   ctest --output-on-failure -j2 || exit /B
   popd
+  rmdir /S /Q cpp\build-debug
 
   mkdir cpp\build-release
   pushd cpp\build-release

diff --git a/cpp/cmake_modules/FindGFlags.cmake b/cpp/cmake_modules/FindGFlags.cmake
@@ -53,7 +53,6 @@ if(GFLAGS_FOUND)
   unset(_GFLAGS_TARGET_CONFIG)
   return()
 endif()
-set(GFLAGS_FOUND FALSE)
 
 pkg_check_modules(GFLAGS gflags)
 if(GFLAGS_FOUND)