build(c): force C++11 for drivers for R's sake

Fixes apache#815.
Fixes apache#842.

c/cmake_modules/AdbcDefines.cmake

@@ -60,16 +60,40 @@ if(CXX_LINKER_SUPPORTS_VERSION_SCRIPT)
 endif()
 
 # Set common build options
-macro(adbc_configure_target TARGET)
-  if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-    target_compile_options(${TARGET}
-                           PRIVATE -Wall
-                                   -Werror
-                                   -Wextra
-                                   -Wpedantic
-                                   -Wno-unused-parameter
-                                   -Wunused-result)
+if(NOT ADBC_BUILD_WARNING_LEVEL OR ADBC_BUILD_WARNING_LEVEL STREQUAL "")
+  if("${CMAKE_BUILD_TYPE}" STREQUAL "RELEASE")
+    set(ADBC_BUILD_WARNING_LEVEL "PRODUCTION")
+  else()
+    set(ADBC_BUILD_WARNING_LEVEL "CHECKIN")
+  endif()
+endif()
+
+set(ADBC_C_CXX_FLAGS)
+if("${ADBC_BUILD_WARNING_LEVEL}" STREQUAL "CHECKIN")
+  if(MSVC)
+    set(ADBC_C_CXX_FLAGS /Wall /Werror)
+  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
+         OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang"
+         OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    set(ADBC_C_CXX_FLAGS -Wall -Werror)
+  else()
+    message(WARNING "Unknown compiler: ${CMAKE_CXX_COMPILER_ID}")
   endif()
+elseif("${ADBC_BUILD_WARNING_LEVEL}" STREQUAL "PRODUCTION")
+  if(MSVC)
+    set(CMAKE_C_FLAGS /Wall)
+    set(ADBC_C_CXX_FLAGS /Wall)
+  elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
+         OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang"
+         OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    set(ADBC_C_CXX_FLAGS -Wall)
+  else()
+    message(WARNING "Unknown compiler: ${CMAKE_CXX_COMPILER_ID}")
+  endif()
+endif()
+
+macro(adbc_configure_target TARGET)
+  target_compile_options(${TARGET} PRIVATE ${ADBC_C_CXX_FLAGS})
 endmacro()
 
 # Common testing setup

c/cmake_modules/BuildUtils.cmake

@@ -194,6 +194,10 @@ function(ADD_ARROW_LIB LIB_NAME)
     target_link_libraries(${LIB_NAME}_objlib
                           PRIVATE ${ARG_SHARED_LINK_LIBS} ${ARG_SHARED_PRIVATE_LINK_LIBS}
                                   ${ARG_STATIC_LINK_LIBS})
+    adbc_configure_target(${LIB_NAME}_objlib)
+    # https://github.com/apache/arrow-adbc/issues/81
+    target_compile_features(${LIB_NAME}_objlib PRIVATE cxx_std_11)
+    set_property(TARGET ${LIB_NAME}_objlib PROPERTY CXX_STANDARD 11)
   else()
     # Prepare arguments for separate compilation of static and shared libs below
     # TODO: add PCH directives
@@ -255,6 +259,9 @@ function(ADD_ARROW_LIB LIB_NAME)
                                      VERSION "${ADBC_FULL_SO_VERSION}"
                                      SOVERSION "${ADBC_SO_VERSION}")
 
+    # https://github.com/apache/arrow-adbc/issues/81
+    target_compile_features(${LIB_NAME}_shared PRIVATE cxx_std_11)
+
     target_link_libraries(${LIB_NAME}_shared
                           LINK_PUBLIC
                           "$<BUILD_INTERFACE:${ARG_SHARED_LINK_LIBS}>"
@@ -342,6 +349,9 @@ function(ADD_ARROW_LIB LIB_NAME)
                           PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${OUTPUT_PATH}"
                                      OUTPUT_NAME ${LIB_NAME_STATIC})
 
+    # https://github.com/apache/arrow-adbc/issues/81
+    target_compile_features(${LIB_NAME}_static PRIVATE cxx_std_11)
+
     if(ARG_STATIC_INSTALL_INTERFACE_LIBS)
       target_link_libraries(${LIB_NAME}_static LINK_PUBLIC
                             "$<INSTALL_INTERFACE:${ARG_STATIC_INSTALL_INTERFACE_LIBS}>")
@@ -584,6 +594,7 @@ function(ADD_TEST_CASE REL_TEST_NAME)
 
   set(TEST_PATH "${EXECUTABLE_OUTPUT_PATH}/${TEST_NAME}")
   add_executable(${TEST_NAME} ${SOURCES})
+  adbc_configure_target(${TEST_NAME})
 
   # With OSX and conda, we need to set the correct RPATH so that dependencies
   # are found. The installed libraries with conda have an RPATH that matches
@@ -637,8 +648,6 @@ function(ADD_TEST_CASE REL_TEST_NAME)
     add_test(${TEST_NAME} ${TEST_PATH} ${ARG_TEST_ARGUMENTS})
   endif()
 
-  adbc_configure_target(${TEST_NAME})
-
   # Add test as dependency of relevant targets
   add_dependencies(all-tests ${TEST_NAME})
   foreach(TARGET ${ARG_LABELS})

c/cmake_modules/DefineOptions.cmake

@@ -86,6 +86,9 @@ if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
   #----------------------------------------------------------------------
   set_option_category("Compile and link")
 
+  define_option_string(ADBC_BUILD_WARNING_LEVEL
+                       "CHECKIN to enable Werror, PRODUCTION otherwise" "")
+
   define_option_string(ADBC_CXXFLAGS
                        "Compiler flags to append when compiling ADBC C++ libraries" "")
   define_option_string(ADBC_GO_BUILD_TAGS

c/driver/common/CMakeLists.txt

@@ -16,6 +16,7 @@
 # under the License.
 
 add_library(adbc_driver_common STATIC utils.c)
+adbc_configure_target(adbc_driver_common)
 set_target_properties(adbc_driver_common PROPERTIES POSITION_INDEPENDENT_CODE ON)
 target_include_directories(adbc_driver_common PRIVATE "${REPOSITORY_ROOT}"
                                                       "${REPOSITORY_ROOT}/c/vendor")

c/driver/postgresql/connection.cc

@@ -107,7 +107,7 @@ class PqResultHelper {
   AdbcStatusCode Execute() {
     std::vector<const char*> param_c_strs;
 
-    for (auto index = 0; index < param_values_.size(); index++) {
+    for (size_t index = 0; index < param_values_.size(); index++) {
       param_c_strs.push_back(param_values_[index].c_str());
     }
 
@@ -375,8 +375,8 @@ class PqGetObjectsHelper {
       const char** table_types = table_types_;
       while (*table_types != NULL) {
         auto table_type_str = std::string(*table_types);
-        if (auto search = kPgTableTypes.find(table_type_str);
-            search != kPgTableTypes.end()) {
+        auto search = kPgTableTypes.find(table_type_str);
+        if (search != kPgTableTypes.end()) {
           table_type_filter.push_back(search->second);
         }
         table_types++;

c/validation/CMakeLists.txt

@@ -16,6 +16,7 @@
 # under the License.
 
 add_library(adbc_validation OBJECT adbc_validation.cc adbc_validation_util.cc)
+adbc_configure_target(adbc_validation)
 target_compile_features(adbc_validation PRIVATE cxx_std_17)
 target_include_directories(adbc_validation SYSTEM
                            PRIVATE "${REPOSITORY_ROOT}" "${REPOSITORY_ROOT}/c/driver/"