diff --git a/.travis.yml b/.travis.yml
index f5357f0..631cd65 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -69,7 +69,7 @@ install:
 
 script:
   - mkdir build/ && cd build/
-  - $CMAKE -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS="-Werror -pedantic -Wall -Wextra -Wconversion -Wsign-conversion -Wno-parentheses -Wno-assume" ../ -DCPPAST_TEST_GCOV=$CPPAST_TEST_GCOV -DLLVM_CONFIG_BINARY=$LLVM_CONFIG_BINARY
+  - $CMAKE -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_FLAGS="-Werror -pedantic -Wall -Wextra -Wconversion -Wsign-conversion -Wno-parentheses -Wno-assume" ../ -DCPPAST_TEST_GCOV=$CPPAST_TEST_GCOV -DLLVM_CONFIG_BINARY=$LLVM_CONFIG_BINARY
   - $CMAKE --build .
   - if [[ "$LLVM_VERSION" == "4.0" ]]; then ./test/cppast_test \*; else ./test/cppast_test; fi
 
diff --git a/appveyor.yml b/appveyor.yml
index c606c3b..b17aeb8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -8,4 +8,4 @@ build_script:
   - cmd: cmake --build . -- /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll" /verbosity:minimal
 
 test_script:
-  - cmd: test\Debug\cppast_test.exe *
+  - cmd: test\Debug\cppast_test.exe * ~cppast
diff --git a/src/libclang/preprocessor.cpp b/src/libclang/preprocessor.cpp
index 157317c..adb1eea 100644
--- a/src/libclang/preprocessor.cpp
+++ b/src/libclang/preprocessor.cpp
@@ -6,6 +6,7 @@
 
 #include <algorithm>
 #include <atomic>
+#include <cctype>
 #include <cstdio>
 #include <cstring>
 #include <process.hpp>
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index f4ed9a8..eed8c47 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -45,7 +45,8 @@ add_executable(cppast_test test.cpp test_parser.hpp ${tests})
 target_include_directories(cppast_test PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
 target_include_directories(cppast_test PRIVATE ${CMAKE_CURRENT_LIST_DIR}/../src)
 target_link_libraries(cppast_test PUBLIC cppast)
-target_compile_definitions(cppast_test PUBLIC CPPAST_INTEGRATION_FILE="${CMAKE_CURRENT_SOURCE_DIR}/integration.cpp")
+target_compile_definitions(cppast_test PUBLIC CPPAST_INTEGRATION_FILE="${CMAKE_CURRENT_SOURCE_DIR}/integration.cpp"
+                                              CPPAST_COMPILE_COMMANDS="${CMAKE_BINARY_DIR}")
 set_target_properties(cppast_test PROPERTIES CXX_STANDARD 11)
 
 enable_testing()
diff --git a/test/integration.cpp b/test/integration.cpp
index ae7de3e..2f1efa1 100644
--- a/test/integration.cpp
+++ b/test/integration.cpp
@@ -123,7 +123,7 @@ TEST_CASE("cppast", "[!hide][integration]")
     cpp_entity_index                    idx;
     simple_file_parser<libclang_parser> parser(type_safe::ref(idx), default_logger());
 
-    libclang_compilation_database database("../");
+    libclang_compilation_database database(CPPAST_COMPILE_COMMANDS);
     libclang_compile_config       config(database, CPPAST_INTEGRATION_FILE);
     config.fast_preprocessing(true);
     parse_files(parser, files, config);