# This is a combination of 4 commits.

# This is the 1st commit message:

:wrench: pass CXXFLAGS to CGO_CXXFLAGS...

Signed-off-by: Rintaro Okamura <rintaro.okamura@gmail.com>

# This is the commit message #2:

:construction: wip

Signed-off-by: Rintaro Okamura <rintaro.okamura@gmail.com>

# This is the commit message #3:

:wrench: add CGO_CFLAGS, CGO_CPPFLAGS

Signed-off-by: Rintaro Okamura <rintaro.okamura@gmail.com>

# This is the commit message #4:

:wrench: use CMAKE_C_FLAGS, CMAKE_CXX_FLAGS

Signed-off-by: Rintaro Okamura <rintaro.okamura@gmail.com>

Makefile

@@ -334,7 +334,8 @@ ngt/install: /usr/local/include/NGT/Capi.h
 /usr/local/include/NGT/Capi.h:
 	curl -LO https://github.com/yahoojapan/NGT/archive/v$(NGT_VERSION).tar.gz
 	tar zxf v$(NGT_VERSION).tar.gz -C /tmp
-	cd /tmp/NGT-$(NGT_VERSION)&& cmake .
+	cd /tmp/NGT-$(NGT_VERSION) && \
+	    cmake -DCMAKE_C_FLAGS="$(CFLAGS)" -DCMAKE_CXX_FLAGS="$(CXXFLAGS)" .
 	make -j -C /tmp/NGT-$(NGT_VERSION)
 	make install -C /tmp/NGT-$(NGT_VERSION)
 	rm -rf v$(NGT_VERSION).tar.gz

dockers/agent/core/ngt/Dockerfile

@@ -14,6 +14,7 @@
 # limitations under the License.
 #
 
+# to build
 ARG DISTROLESS_IMAGE=gcr.io/distroless/static
 ARG DISTROLESS_IMAGE_TAG=nonroot
 ARG UPX_OPTIONS=-9