Forward COMPILER_LAUNCHER into ExternalProject_Add

Author: vitalybuka

cmake/external/expat.cmake

@@ -30,6 +30,13 @@ foreach(lib IN LISTS EXPAT_LIBRARIES)
   add_dependencies(${lib} ${EXPAT_TARGET})
 endforeach(lib)
 
+set(EXPAT_C_COMPILER "${CMAKE_C_COMPILER}")
+set(EXPAT_CXX_COMPILER "${CMAKE_CXX_COMPILER}")
+if(DEFINED CMAKE_C_COMPILER_LAUNCHER AND DEFINED CMAKE_CXX_COMPILER_LAUNCHER)
+  set(EXPAT_C_COMPILER "${CMAKE_C_COMPILER_LAUNCHER} ${EXPAT_C_COMPILER}")
+  set(EXPAT_CXX_COMPILER "${CMAKE_CXX_COMPILER_LAUNCHER} ${EXPAT_CXX_COMPILER}")
+endif()
+
 include (ExternalProject)
 ExternalProject_Add(${EXPAT_TARGET}
     PREFIX ${EXPAT_TARGET}
@@ -39,8 +46,8 @@ ExternalProject_Add(${EXPAT_TARGET}
     CONFIGURE_COMMAND cd ${EXPAT_SRC_DIR} && ./buildconf.sh  && ./configure
                                                     --prefix=${EXPAT_INSTALL_DIR}
                                                     --without-xmlwf
-                                                    CC=${CMAKE_C_COMPILER}
-                                                    CXX=${CMAKE_CXX_COMPILER}
+                                                    "CC=${EXPAT_C_COMPILER}"
+                                                    "CXX=${EXPAT_CXX_COMPILER}"
                                                     "CFLAGS=${EXPAT_CFLAGS} -w -DXML_POOR_ENTROPY"
                                                     "CXXFLAGS=${EXPAT_CXXFLAGS} -w -DXML_POOR_ENTROPY"
     BUILD_COMMAND cd ${EXPAT_SRC_DIR} &&  make -j ${CPU_COUNT}

cmake/external/googletest.cmake

@@ -48,6 +48,8 @@ ExternalProject_Add(${GTEST_TARGET}
     UPDATE_COMMAND ""
     CMAKE_CACHE_ARGS -DCMAKE_C_COMPILER:FILEPATH=${CMAKE_C_COMPILER}
                      -DCMAKE_CXX_COMPILER:FILEPATH=${CMAKE_CXX_COMPILER}
+                     -DCMAKE_C_COMPILER_LAUNCHER:FILEPATH=${CMAKE_C_COMPILER_LAUNCHER}
+                     -DCMAKE_CXX_COMPILER_LAUNCHER:FILEPATH=${CMAKE_CXX_COMPILER_LAUNCHER}
     CMAKE_ARGS ${CMAKE_ARGS}
                -DCMAKE_INSTALL_PREFIX=${GTEST_INSTALL_DIR}
                -DCMAKE_INSTALL_LIBDIR=lib

cmake/external/libxml2.cmake

@@ -38,6 +38,8 @@ ExternalProject_Add(${LIBXML2_TARGET}
     UPDATE_COMMAND ""
     CMAKE_CACHE_ARGS -DCMAKE_C_COMPILER:FILEPATH=${CMAKE_C_COMPILER}
                      -DCMAKE_CXX_COMPILER:FILEPATH=${CMAKE_CXX_COMPILER}
+                     -DCMAKE_C_COMPILER_LAUNCHER:FILEPATH=${CMAKE_C_COMPILER_LAUNCHER}
+                     -DCMAKE_CXX_COMPILER_LAUNCHER:FILEPATH=${CMAKE_CXX_COMPILER_LAUNCHER}
     CMAKE_ARGS -DCMAKE_C_FLAGS=${LIBXML2_CFLAGS} -DCMAKE_CXX_FLAGS=${LIBXML2_CXXFLAGS}
                -DCMAKE_INSTALL_PREFIX=${LIBXML2_INSTALL_DIR}
                -DCMAKE_INSTALL_LIBDIR=lib

cmake/external/protobuf.cmake

@@ -73,6 +73,8 @@ ExternalProject_Add(${PROTOBUF_TARGET}
         -DCMAKE_POSITION_INDEPENDENT_CODE=ON
         -DCMAKE_C_COMPILER:FILEPATH=${CMAKE_C_COMPILER}
         -DCMAKE_CXX_COMPILER:FILEPATH=${CMAKE_CXX_COMPILER}
+        -DCMAKE_C_COMPILER_LAUNCHER:FILEPATH=${CMAKE_C_COMPILER_LAUNCHER}
+        -DCMAKE_CXX_COMPILER_LAUNCHER:FILEPATH=${CMAKE_CXX_COMPILER_LAUNCHER}
         -DCMAKE_C_FLAGS=${PROTOBUF_CFLAGS}
         -DCMAKE_CXX_FLAGS=${PROTOBUF_CXXFLAGS}
         -Dprotobuf_BUILD_TESTS=OFF