Fixed GitHub Actions build error

.github/workflows/test.yaml

@@ -29,7 +29,7 @@ jobs:
       run: cd test && make -j2
     - name: check fuzz test target
       if: matrix.os == 'ubuntu-latest'
-      run: cd test && make -f Makefile.fuzz_test
+      run: cd test && make fuzz_test
     - name: setup msbuild on windows
       if: matrix.os == 'windows-latest'
       uses: microsoft/[email protected]

test/Makefile

@@ -1,5 +1,5 @@
 #CXX = clang++
-CXXFLAGS = -g -std=c++11 -I. -I.. -Wall -Wextra -Wtype-limits -Wconversion #-fsanitize=address
+CXXFLAGS = -g -std=c++11 -I. -Wall -Wextra -Wtype-limits -Wconversion #-fsanitize=address
 
 OPENSSL_DIR = /usr/local/opt/[email protected]
 OPENSSL_SUPPORT = -DCPPHTTPLIB_OPENSSL_SUPPORT -I$(OPENSSL_DIR)/include -L$(OPENSSL_DIR)/lib -lssl -lcrypto
@@ -26,7 +26,7 @@ proxy : test_proxy
 	./test_proxy
 
 test : test.cc include_httplib.cc ../httplib.h Makefile cert.pem
-	$(CXX) -o $@ $(CXXFLAGS) test.cc include_httplib.cc $(TEST_ARGS)
+	$(CXX) -o $@ -I.. $(CXXFLAGS) test.cc include_httplib.cc $(TEST_ARGS)
 
 # Note: The intention of test_split is to verify that it works to compile and
 # link the split httplib.h, so there is normally no need to execute it.
@@ -34,7 +34,7 @@ test_split : test.cc ../httplib.h httplib.cc Makefile cert.pem
 	$(CXX) -o $@ $(CXXFLAGS) test.cc httplib.cc $(TEST_ARGS)
 
 test_proxy : test_proxy.cc ../httplib.h Makefile cert.pem
-	$(CXX) -o $@ $(CXXFLAGS) test_proxy.cc $(TEST_ARGS)
+	$(CXX) -o $@ -I.. $(CXXFLAGS) test_proxy.cc $(TEST_ARGS)
 
 # Runs server_fuzzer.cc based on value of $(LIB_FUZZING_ENGINE).
 # Usage: make fuzz_test LIB_FUZZING_ENGINE=/path/to/libFuzzer
@@ -43,12 +43,12 @@ fuzz_test: server_fuzzer
 
 # Fuzz target, so that you can choose which $(LIB_FUZZING_ENGINE) to use.
 server_fuzzer : fuzzing/server_fuzzer.cc ../httplib.h standalone_fuzz_target_runner.o
-	$(CXX) $(CXXFLAGS) -o $@  $< $(OPENSSL_SUPPORT)  $(ZLIB_SUPPORT) $(BROTLI_SUPPORT) $(LIB_FUZZING_ENGINE) -pthread
+	$(CXX) -o $@ -I.. $(CXXFLAGS) $< $(OPENSSL_SUPPORT) $(ZLIB_SUPPORT) $(BROTLI_SUPPORT) $(LIB_FUZZING_ENGINE) -pthread
 
 # Standalone fuzz runner, which just reads inputs from fuzzing/corpus/ dir and
 # feeds it to server_fuzzer.
 standalone_fuzz_target_runner.o : fuzzing/standalone_fuzz_target_runner.cpp
-	$(CXX) $(CXXFLAGS) -c -o $@ $<
+	$(CXX) -o $@ -I.. $(CXXFLAGS) -c $<
 
 httplib.cc : ../httplib.h
 	python3 ../split.py -o .