ENH: Use buildcache instead of clcache

.gitlab-ci.yml

@@ -228,9 +228,9 @@ windows-10-prepare:
     - windows10
   script:
     - call ./CI/dev_env.bat x64 xdk 10
-    - clcache.exe -s
+    - buildcache.exe -s
     - ctest -C Release -V -S CI/prepare_superbuild.cmake
-    - clcache.exe -s
+    - buildcache.exe -s
 
 windows-10-build:
   extends: .windows-build
@@ -238,9 +238,9 @@ windows-10-build:
     - windows10
   script:
     - call ./CI/dev_env.bat x64 otb 10
-    - clcache.exe -s
+    - buildcache.exe -s
     - ctest -V -S CI/main_superbuild.cmake
-    - clcache.exe -s
+    - buildcache.exe -s
     - ctest -V -S CI/main_packages.cmake
     - move "build_packages\OTB-*.zip" . || dir build_packages
   needs:

CI/configure_options.cmake

@@ -31,6 +31,13 @@ BUILD_EXAMPLES:BOOL=ON
 BUILD_SHARED_LIBS:BOOL=ON
 BUILD_TESTING:BOOL=ON")
 
+if(WIN32)
+  set(otb_build_project_option
+"${otb_build_project_option}
+CMAKE_C_COMPILER_LAUNCHER=buildcache
+CMAKE_CXX_COMPILER_LAUNCHER=buildcache")
+endif()
+
 set (otb_qa_option
 "CMAKE_EXPORT_COMPILE_COMMANDS:BOOL=ON")
 

CI/dev_env.bat

@@ -84,25 +84,15 @@ set PATH=%PATH%;C:\tools\GL\%ARCH%\bin
 call "C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Auxiliary\Build\vcvarsall.bat" %ARCH% %TARGET% -vcvars_ver=%VCVER%
 
 :: Setup Clcache
-set CLCACHE_DIR=C:\clcache\%PROJECT%-%ARCH%-%TARGET%-%VCVER%
-set CLCACHE_HARDLINK=1
-:: set CLCACHE_SERVER=1
-set CLCACHE_CL=
-for /F "delims=" %%a in ('where cl.exe') do @if defined CLCACHE_CL (break ) else (set CLCACHE_CL=%%a)
+set BUILDCACHE_DIR=C:\buildcache\%PROJECT%-%ARCH%-%TARGET%-%VCVER%
 
-echo CL path: "%CLCACHE_CL%"
-
-:: install clcache.exe as cl.exe
-copy C:\tools\Python35-%ARCH%\Scripts\clcache.exe C:\clcache\cl.exe
-set PATH=C:\clcache;%PATH%
-
-:: we need to change cache max size: clcache -M <size-in-bytes>
 if "%PROJECT%"=="xdk" (
-  call "clcache.exe" -M 3000000000
+  set BUILDCACHE_MAX_CACHE_SIZE=3000000000
 )
 if "%PROJECT%"=="otb" (
-  call "clcache.exe" -M 2000000000
+  set BUILDCACHE_MAX_CACHE_SIZE=2000000000
 )
+set PATH=C:\tools\buildcache\bin;%PATH%
 
 set IMAGE_NAME=windows-%SHORT_TARGET%-%ARCH%-vc%VCVER%
 echo Generated IMAGE_NAME: %IMAGE_NAME%

CI/sb_configure_options.cmake

@@ -23,6 +23,13 @@ set ( cmake_configure_option
 "CMAKE_BUILD_TYPE=${CTEST_BUILD_CONFIGURATION}
 CMAKE_INSTALL_PREFIX:PATH=${CTEST_INSTALL_DIRECTORY}")
 
+if(WIN32)
+  set (cmake_configure_option
+"${cmake_configure_option}
+CMAKE_C_COMPILER_LAUNCHER=buildcache
+CMAKE_CXX_COMPILER_LAUNCHER=buildcache")
+endif()
+
 set ( temporary_option
 "OTB_USE_MPI=OFF")