diff --git a/.gitignore b/.gitignore
index a62ad82..f603f73 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,7 +15,9 @@
 /c/configure
 /c/configure.ac
 /c/libtool
+/c/main.dep
 /c/main.lo
+/c/Makefile
 /c/Makefile.fragments
 /c/Makefile.objects
 /c/my_module.la
diff --git a/Makefile b/Makefile
index 56d0189..6602e14 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,51 @@
+CONFIGURE_ARGS :=
+
+all: cgo c
+
+.PHONY: clean
+clean:
+	/bin/rm -rfv \
+		c/.libs \
+		c/autom4te.cache \
+		c/build \
+		c/include \
+		c/modules
+	
+	/bin/rm -fv \
+		c/config.h \
+		c/config.h.in \
+		c/config.log \
+		c/config.nice \
+		c/config.status \
+		c/configure \
+		c/configure.ac \
+		c/libtool \
+		c/main.dep \
+		c/main.lo \
+		c/Makefile \
+		c/Makefile.fragments \
+		c/Makefile.objects \
+		c/my_module.la \
+		c/run-tests.php \
+		cgo/libmymodule.h \
+		cgo/libmymodule.so \
+
 .PHONY: cgo
 cgo:
 	cd ./cgo && go build -o libmymodule.so -buildmode=c-shared  ./main.go
 
+c/configure:
+	cd ./c && phpize
+
+c/Makefile: c/configure
+	cd ./c && ./configure $(CONFIGURE_ARGS)
+
 .PHONY: c
-c:
+c: c/configure c/Makefile
 	cd ./c && EXTRA_CFLAGS="-I`pwd`/../cgo -L`pwd`/../cgo -lmymodule" make
-	cp ./c/.libs/my_module.so /usr/local/lib/php/extensions/no-debug-non-zts-20200930/
+
+install: cgo c
+	cd ./c && make install
 
 .PHONY: test
 test:
diff --git a/README.md b/README.md
index 7c61899..07276c1 100644
--- a/README.md
+++ b/README.md
@@ -55,8 +55,7 @@ $ go mod tidy
 ## Build
 
 ```
-$ make cgo
-$ make c
+$ make
 ```
 
 ## Run
diff --git a/c/Makefile b/c/Makefile
deleted file mode 100644
index 3041c00..0000000
--- a/c/Makefile
+++ /dev/null
@@ -1,214 +0,0 @@
-srcdir = /usr/src/workspace/c
-builddir = /usr/src/workspace/c
-top_srcdir = /usr/src/workspace/c
-top_builddir = /usr/src/workspace/c
-EGREP = /bin/grep -E
-SED = /bin/sed
-CONFIGURE_COMMAND = './configure' '--enable-my-module'
-CONFIGURE_OPTIONS = '--enable-my-module'
-SHLIB_SUFFIX_NAME = so
-SHLIB_DL_SUFFIX_NAME = so
-AWK = nawk
-shared_objects_my_module = main.lo
-PHP_PECL_EXTENSION = my_module
-PHP_MODULES = $(phplibdir)/my_module.la
-PHP_ZEND_EX =
-all_targets = $(PHP_MODULES) $(PHP_ZEND_EX)
-install_targets = install-modules install-headers
-prefix = /usr/local
-exec_prefix = $(prefix)
-libdir = ${exec_prefix}/lib
-prefix = /usr/local
-phplibdir = /usr/src/workspace/c/modules
-phpincludedir = /usr/local/include/php
-CC = cc
-CFLAGS = -g -O2
-CFLAGS_CLEAN = $(CFLAGS)
-CPP = cc -E
-CPPFLAGS = -DHAVE_CONFIG_H
-CXX =
-CXXFLAGS =
-CXXFLAGS_CLEAN = $(CXXFLAGS)
-EXTENSION_DIR = /usr/local/lib/php/extensions/no-debug-non-zts-20200930
-PHP_EXECUTABLE = /usr/local/bin/php
-EXTRA_LDFLAGS =
-EXTRA_LIBS =
-INCLUDES = -I/usr/local/include/php -I/usr/local/include/php/main -I/usr/local/include/php/TSRM -I/usr/local/include/php/Zend -I/usr/local/include/php/ext -I/usr/local/include/php/ext/date/lib
-LFLAGS =
-LDFLAGS =
-SHARED_LIBTOOL =
-LIBTOOL = $(SHELL) $(top_builddir)/libtool
-SHELL = /bin/bash
-INSTALL_HEADERS =
-mkinstalldirs = $(top_srcdir)/build/shtool mkdir -p
-INSTALL = $(top_srcdir)/build/shtool install -c
-INSTALL_DATA = $(INSTALL) -m 644
-
-DEFS = -I$(top_builddir)/include -I$(top_builddir)/main -I$(top_srcdir)
-COMMON_FLAGS = $(DEFS) $(INCLUDES) $(EXTRA_INCLUDES) $(CPPFLAGS) $(PHP_FRAMEWORKPATH)
-
-all: $(all_targets)
-	@echo
-	@echo "Build complete."
-	@echo "Don't forget to run 'make test'."
-	@echo
-
-build-modules: $(PHP_MODULES) $(PHP_ZEND_EX)
-
-build-binaries: $(PHP_BINARIES)
-
-libphp.la: $(PHP_GLOBAL_OBJS) $(PHP_SAPI_OBJS)
-	$(LIBTOOL) --mode=link $(CC) $(LIBPHP_CFLAGS) $(CFLAGS) $(EXTRA_CFLAGS) -rpath $(phptempdir) $(EXTRA_LDFLAGS) $(LDFLAGS) $(PHP_RPATHS) $(PHP_GLOBAL_OBJS) $(PHP_SAPI_OBJS) $(EXTRA_LIBS) $(ZEND_EXTRA_LIBS) -o $@
-	-@$(LIBTOOL) --silent --mode=install cp $@ $(phptempdir)/$@ >/dev/null 2>&1
-
-libs/libphp.bundle: $(PHP_GLOBAL_OBJS) $(PHP_SAPI_OBJS)
-	$(CC) $(MH_BUNDLE_FLAGS) $(CFLAGS_CLEAN) $(EXTRA_CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) $(PHP_GLOBAL_OBJS:.lo=.o) $(PHP_SAPI_OBJS:.lo=.o) $(PHP_FRAMEWORKS) $(EXTRA_LIBS) $(ZEND_EXTRA_LIBS) -o $@ && cp $@ libs/libphp.so
-
-install: $(all_targets) $(install_targets)
-
-install-sapi: $(OVERALL_TARGET)
-	@echo "Installing PHP SAPI module:       $(PHP_SAPI)"
-	-@$(mkinstalldirs) $(INSTALL_ROOT)$(bindir)
-	-@if test ! -r $(phptempdir)/libphp.$(SHLIB_DL_SUFFIX_NAME); then \
-		for i in 0.0.0 0.0 0; do \
-			if test -r $(phptempdir)/libphp.$(SHLIB_DL_SUFFIX_NAME).$$i; then \
-				$(LN_S) $(phptempdir)/libphp.$(SHLIB_DL_SUFFIX_NAME).$$i $(phptempdir)/libphp.$(SHLIB_DL_SUFFIX_NAME); \
-				break; \
-			fi; \
-		done; \
-	fi
-	@$(INSTALL_IT)
-
-install-binaries: build-binaries $(install_binary_targets)
-
-install-modules: build-modules
-	@test -d modules && \
-	$(mkinstalldirs) $(INSTALL_ROOT)$(EXTENSION_DIR)
-	@echo "Installing shared extensions:     $(INSTALL_ROOT)$(EXTENSION_DIR)/"
-	@rm -f modules/*.la >/dev/null 2>&1
-	@$(INSTALL) modules/* $(INSTALL_ROOT)$(EXTENSION_DIR)
-
-install-headers:
-	-@if test "$(INSTALL_HEADERS)"; then \
-		for i in `echo $(INSTALL_HEADERS)`; do \
-			i=`$(top_srcdir)/build/shtool path -d $$i`; \
-			paths="$$paths $(INSTALL_ROOT)$(phpincludedir)/$$i"; \
-		done; \
-		$(mkinstalldirs) $$paths && \
-		echo "Installing header files:          $(INSTALL_ROOT)$(phpincludedir)/" && \
-		for i in `echo $(INSTALL_HEADERS)`; do \
-			if test "$(PHP_PECL_EXTENSION)"; then \
-				src=`echo $$i | $(SED) -e "s#ext/$(PHP_PECL_EXTENSION)/##g"`; \
-			else \
-				src=$$i; \
-			fi; \
-			if test -f "$(top_srcdir)/$$src"; then \
-				$(INSTALL_DATA) $(top_srcdir)/$$src $(INSTALL_ROOT)$(phpincludedir)/$$i; \
-			elif test -f "$(top_builddir)/$$src"; then \
-				$(INSTALL_DATA) $(top_builddir)/$$src $(INSTALL_ROOT)$(phpincludedir)/$$i; \
-			else \
-				(cd $(top_srcdir)/$$src && $(INSTALL_DATA) *.h $(INSTALL_ROOT)$(phpincludedir)/$$i; \
-				cd $(top_builddir)/$$src && $(INSTALL_DATA) *.h $(INSTALL_ROOT)$(phpincludedir)/$$i) 2>/dev/null || true; \
-			fi \
-		done; \
-	fi
-
-PHP_TEST_SETTINGS = -d 'open_basedir=' -d 'output_buffering=0' -d 'memory_limit=-1'
-PHP_TEST_SHARED_EXTENSIONS =  ` \
-	if test "x$(PHP_MODULES)" != "x"; then \
-		for i in $(PHP_MODULES)""; do \
-			. $$i; $(top_srcdir)/build/shtool echo -n -- " -d extension=$$dlname"; \
-		done; \
-	fi; \
-	if test "x$(PHP_ZEND_EX)" != "x"; then \
-		for i in $(PHP_ZEND_EX)""; do \
-			. $$i; $(top_srcdir)/build/shtool echo -n -- " -d zend_extension=$(top_builddir)/modules/$$dlname"; \
-		done; \
-	fi`
-PHP_DEPRECATED_DIRECTIVES_REGEX = '^(magic_quotes_(gpc|runtime|sybase)?|(zend_)?extension(_debug)?(_ts)?)[\t\ ]*='
-
-test: all
-	@if test ! -z "$(PHP_EXECUTABLE)" && test -x "$(PHP_EXECUTABLE)"; then \
-		INI_FILE=`$(PHP_EXECUTABLE) -d 'display_errors=stderr' -r 'echo php_ini_loaded_file();' 2> /dev/null`; \
-		if test "$$INI_FILE"; then \
-			$(EGREP) -h -v $(PHP_DEPRECATED_DIRECTIVES_REGEX) "$$INI_FILE" > $(top_builddir)/tmp-php.ini; \
-		else \
-			echo > $(top_builddir)/tmp-php.ini; \
-		fi; \
-		INI_SCANNED_PATH=`$(PHP_EXECUTABLE) -d 'display_errors=stderr' -r '$$a = explode(",\n", trim(php_ini_scanned_files())); echo $$a[0];' 2> /dev/null`; \
-		if test "$$INI_SCANNED_PATH"; then \
-			INI_SCANNED_PATH=`$(top_srcdir)/build/shtool path -d $$INI_SCANNED_PATH`; \
-			$(EGREP) -h -v $(PHP_DEPRECATED_DIRECTIVES_REGEX) "$$INI_SCANNED_PATH"/*.ini >> $(top_builddir)/tmp-php.ini; \
-		fi; \
-		TEST_PHP_EXECUTABLE=$(PHP_EXECUTABLE) \
-		TEST_PHP_SRCDIR=$(top_srcdir) \
-		CC="$(CC)" \
-			$(PHP_EXECUTABLE) -n -c $(top_builddir)/tmp-php.ini $(PHP_TEST_SETTINGS) $(top_srcdir)/run-tests.php -n -c $(top_builddir)/tmp-php.ini -d extension_dir=$(top_builddir)/modules/ $(PHP_TEST_SHARED_EXTENSIONS) $(TESTS); \
-		TEST_RESULT_EXIT_CODE=$$?; \
-		rm $(top_builddir)/tmp-php.ini; \
-		exit $$TEST_RESULT_EXIT_CODE; \
-	else \
-		echo "ERROR: Cannot run tests without CLI sapi."; \
-	fi
-
-clean:
-	find . -name \*.gcno -o -name \*.gcda | xargs rm -f
-	find . -name \*.lo -o -name \*.o | xargs rm -f
-	find . -name \*.la -o -name \*.a | xargs rm -f
-	find . -name \*.so | xargs rm -f
-	find . -name .libs -a -type d|xargs rm -rf
-	rm -f libphp.la $(SAPI_CLI_PATH) $(SAPI_CGI_PATH) $(SAPI_LITESPEED_PATH) $(SAPI_FPM_PATH) $(OVERALL_TARGET) modules/* libs/*
-
-distclean: clean
-	rm -f Makefile config.cache config.log config.status Makefile.objects Makefile.fragments libtool main/php_config.h main/internal_functions_cli.c main/internal_functions.c Zend/zend_dtrace_gen.h Zend/zend_dtrace_gen.h.bak Zend/zend_config.h
-	rm -f main/build-defs.h scripts/phpize
-	rm -f ext/date/lib/timelib_config.h ext/mbstring/libmbfl/config.h ext/oci8/oci8_dtrace_gen.h ext/oci8/oci8_dtrace_gen.h.bak
-	rm -f scripts/man1/phpize.1 scripts/php-config scripts/man1/php-config.1 sapi/cli/php.1 sapi/cgi/php-cgi.1 sapi/phpdbg/phpdbg.1 ext/phar/phar.1 ext/phar/phar.phar.1
-	rm -f sapi/fpm/php-fpm.conf sapi/fpm/init.d.php-fpm sapi/fpm/php-fpm.service sapi/fpm/php-fpm.8 sapi/fpm/status.html
-	rm -f ext/phar/phar.phar ext/phar/phar.php
-	rm -f ext/opcache/jit/zend_jit_x86.c
-	if test "$(srcdir)" != "$(builddir)"; then \
-	  rm -f ext/phar/phar/phar.inc; \
-	fi
-	$(EGREP) define'.*include/php' $(top_srcdir)/configure | $(SED) 's/.*>//'|xargs rm -f
-
-prof-gen:
-	CCACHE_DISABLE=1 $(MAKE) PROF_FLAGS=-fprofile-generate all
-
-prof-clean:
-	find . -name \*.lo -o -name \*.o | xargs rm -f
-	find . -name \*.la -o -name \*.a | xargs rm -f
-	find . -name \*.so | xargs rm -f
-	rm -f libphp.la $(SAPI_CLI_PATH) $(SAPI_CGI_PATH) $(SAPI_LITESPEED_PATH) $(SAPI_FPM_PATH) $(OVERALL_TARGET) modules/* libs/*
-
-prof-use:
-	CCACHE_DISABLE=1 $(MAKE) PROF_FLAGS=-fprofile-use all
-
-# only php above 7.1.0 supports nullable return type
-%_arginfo.h: %.stub.php
-	@if test -e "$(top_srcdir)/build/gen_stub.php"; then \
-		if test ! -z "$(PHP_EXECUTABLE)" && test -x "$(PHP_EXECUTABLE)"; then \
-			echo Parse $< to generate $@;\
-			$(PHP_EXECUTABLE) $(top_srcdir)/build/gen_stub.php $<; \
-		elif type php >/dev/null 2>/dev/null; then \
-			if test `php -v | head -n1 | cut -d" " -f 2 | sed "s/$$/\n7.0.99/" | sort -rV | head -n1` != "7.0.99"; then \
-				echo Parse $< to generate $@;\
-				php $(top_srcdir)/build/gen_stub.php $<; \
-			fi; \
-		fi; \
-	fi;
-
-# As we don't track includes, this is just a heuristic
-%.c: %_arginfo.h
-	@touch $@
-
-.PHONY: all clean install distclean test prof-gen prof-clean prof-use
-.NOEXPORT:
-main.lo: /usr/src/workspace/c/main.c
-	$(LIBTOOL) --mode=compile $(CC) -I. -I/usr/src/workspace/c $(COMMON_FLAGS) $(CFLAGS_CLEAN) $(EXTRA_CFLAGS)   -c /usr/src/workspace/c/main.c -o main.lo 
-$(phplibdir)/my_module.la: ./my_module.la
-	$(LIBTOOL) --mode=install cp ./my_module.la $(phplibdir)
-
-./my_module.la: $(shared_objects_my_module) $(MY_MODULE_SHARED_DEPENDENCIES)
-	$(LIBTOOL) --mode=link $(CC) -shared $(COMMON_FLAGS) $(CFLAGS_CLEAN) $(EXTRA_CFLAGS) $(LDFLAGS)  -o $@ -export-dynamic -avoid-version -prefer-pic -module -rpath $(phplibdir) $(EXTRA_LDFLAGS) $(shared_objects_my_module) $(MY_MODULE_SHARED_LIBADD)
-