[BUILD] CMake cleanup for message() (#2582)

CMakeLists.txt

@@ -301,15 +301,16 @@ function(install_windows_deps)
   set(VCPKG_TARGET_ARCHITECTURE
       ${ARCH}
       PARENT_SCOPE)
-  message("Installing build tools and dependencies...")
+  message(STATUS "Installing build tools and dependencies...")
   set(ENV{ARCH} ${ARCH})
   execute_process(
     COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/tools/setup-buildtools.cmd)
   set(CMAKE_TOOLCHAIN_FILE
       ${CMAKE_CURRENT_SOURCE_DIR}/tools/vcpkg/scripts/buildsystems/vcpkg.cmake
       CACHE FILEPATH "")
   message(
-    "Make sure that vcpkg.cmake is set as the CMAKE_TOOLCHAIN_FILE at the START of the cmake build process!
+    STATUS
+      "Make sure that vcpkg.cmake is set as the CMAKE_TOOLCHAIN_FILE at the START of the cmake build process!
     Can be command-line arg (cmake -DCMAKE_TOOLCHAIN_FILE=...) or set in your editor of choice."
   )
 
@@ -347,7 +348,7 @@ include(GNUInstallDirs)
 if(WITH_PROMETHEUS)
   find_package(prometheus-cpp CONFIG QUIET)
   if(NOT prometheus-cpp_FOUND)
-    message("Trying to use local prometheus-cpp from submodule")
+    message(STATUS "Trying to use local prometheus-cpp from submodule")
     if(EXISTS ${PROJECT_SOURCE_DIR}/third_party/prometheus-cpp/.git)
       set(SAVED_ENABLE_TESTING ${ENABLE_TESTING})
       set(ENABLE_TESTING OFF)
@@ -361,7 +362,7 @@ if(WITH_PROMETHEUS)
           "git submodule update --init --recursive")
     endif()
   else()
-    message("Using external prometheus-cpp")
+    message(STATUS "Using external prometheus-cpp")
   endif()
 endif()
 
@@ -389,7 +390,7 @@ if(WITH_OTLP_GRPC OR WITH_OTLP_HTTP)
     endif()
 
     if(WIN32 AND (NOT DEFINED CMAKE_TOOLCHAIN_FILE))
-      message(STATUS_FATAL "Windows dependency installation failed!")
+      message(FATAL_ERROR "Windows dependency installation failed!")
     endif()
     if(WIN32)
       include(${CMAKE_TOOLCHAIN_FILE})
@@ -485,15 +486,15 @@ endif()
 
 if(OTELCPP_MAINTAINER_MODE)
   if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-    message("Building with gcc in maintainer mode.")
+    message(STATUS "Building with gcc in maintainer mode.")
 
     add_compile_options(-Wall)
     add_compile_options(-Werror)
     add_compile_options(-Wextra)
 
     # Tested with GCC 9.4 on github.
     if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 9.4)
-      message("Building with additional warnings for gcc.")
+      message(STATUS "Building with additional warnings for gcc.")
 
       # Relaxed warnings
 
@@ -518,15 +519,15 @@ if(OTELCPP_MAINTAINER_MODE)
       add_compile_options(-Wvla)
     endif()
   elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-    message("Building with clang in maintainer mode.")
+    message(STATUS "Building with clang in maintainer mode.")
 
     add_compile_options(-Wall)
     add_compile_options(-Werror)
     add_compile_options(-Wextra)
 
     # Tested with Clang 11.0 on github.
     if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 11.0)
-      message("Building with additional warnings for clang.")
+      message(STATUS "Building with additional warnings for clang.")
 
       # Relaxed warnings
       add_compile_options(-Wno-error=unused-private-field)
@@ -549,7 +550,7 @@ if(OTELCPP_MAINTAINER_MODE)
       add_compile_options(-Wold-style-cast)
     endif()
   elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
-    message("Building with msvc in maintainer mode.")
+    message(STATUS "Building with msvc in maintainer mode.")
 
     add_compile_options(/WX)
     add_compile_options(/W4)
@@ -619,8 +620,8 @@ if(BUILD_TESTING)
   if(GTEST_INCLUDE_DIRS)
     include_directories(SYSTEM ${GTEST_INCLUDE_DIRS})
   endif()
-  message("GTEST_INCLUDE_DIRS   = ${GTEST_INCLUDE_DIRS}")
-  message("GTEST_BOTH_LIBRARIES = ${GTEST_BOTH_LIBRARIES}")
+  message(STATUS "GTEST_INCLUDE_DIRS   = ${GTEST_INCLUDE_DIRS}")
+  message(STATUS "GTEST_BOTH_LIBRARIES = ${GTEST_BOTH_LIBRARIES}")
   enable_testing()
   if(WITH_BENCHMARK)
     # Benchmark respects the CMAKE_PREFIX_PATH
@@ -652,7 +653,7 @@ if(WITH_OPENTRACING)
   find_package(OpenTracing CONFIG QUIET)
   if(NOT OpenTracing_FOUND)
     set(OPENTRACING_DIR "third_party/opentracing-cpp")
-    message("Trying to use local ${OPENTRACING_DIR} from submodule")
+    message(STATUS "Trying to use local ${OPENTRACING_DIR} from submodule")
     if(EXISTS "${PROJECT_SOURCE_DIR}/${OPENTRACING_DIR}/.git")
       set(SAVED_BUILD_TESTING ${BUILD_TESTING})
       set(BUILD_TESTING OFF)
@@ -666,7 +667,7 @@ if(WITH_OPENTRACING)
           "git submodule update --init --recursive")
     endif()
   else()
-    message("Using external opentracing-cpp")
+    message(STATUS "Using external opentracing-cpp")
   endif()
   add_subdirectory(opentracing-shim)
 endif()

examples/grpc/CMakeLists.txt

@@ -5,7 +5,7 @@
 get_filename_component(proto_file "./protos/messages.proto" ABSOLUTE)
 get_filename_component(proto_file_path "${proto_file}" PATH)
 
-message("PATH:${proto_file_path}:${proto_file}")
+message(STATUS "PATH:${proto_file_path}:${proto_file}")
 # Generated sources
 set(example_proto_srcs "${CMAKE_CURRENT_BINARY_DIR}/messages.pb.cc")
 set(example_proto_hdrs "${CMAKE_CURRENT_BINARY_DIR}/messages.pb.h")