Update API

Makefile

@@ -1,8 +1,17 @@
+.ONESHELL:
+.PHONY: all download build sudo_install precommit gofmt-staged testdata
+
 # Should contain src/github.com/Kagami/go-face or tests won't work
 # properly (multiple definition of C functions).
+
+# Temporary directory to put files into.
+TMP_DIR?=/tmp/
+
+BRANCH?=19.19
+
 export GOPATH = $(PWD)/../../../..
 
-all: test
+all: download build sudo_install test clean
 precommit: gofmt-staged
 
 gofmt-staged:
@@ -11,5 +20,27 @@ gofmt-staged:
 testdata:
 	git clone https://github.com/Kagami/go-face-testdata testdata
 
+download:
+	curl -Lo $(TMP_DIR)dlib.tar.gz https://github.com/davisking/dlib/archive/v${BRANCH}.tar.gz
+	cd $(TMP_DIR)
+	tar xf dlib.tar.gz
+	rm -rf dlib.tar.gz
+
+build:
+	cd $(TMP_DIR)dlib-${BRANCH}
+	mkdir build
+	cd build
+	cmake -DCMAKE_BUILD_TYPE=Release -DDLIB_JPEG_SUPPORT=ON -DBUILD_SHARED_LIBS=YES -DDLIB_USE_BLAS=ON  -DDLIB_USE_LAPACK=ON  ..
+	cmake --build . --config Release -- -j $(nproc --all)
+
+sudo_install:
+	cd $(TMP_DIR)dlib-${BRANCH}/build
+	sudo make install
+	sudo ldconfig
+
+clean:
+	rm -rf $(TMP_DIR)dlib-${BRANCH}
+	rm -rf testdata
+
 test: testdata
 	go test -v

cgo.go

@@ -0,0 +1,6 @@
+// +build !arm64,!darwin
+
+package face
+
+// #cgo CXXFLAGS: -std=c++1z -Wall -O3 -DNDEBUG -march=native
+import "C"

cgo_darwin_arm64.go

@@ -0,0 +1,6 @@
+// +build arm64,darwin
+
+package face
+
+// #cgo CXXFLAGS: -std=c++1z -Wall -O3 -DNDEBUG
+import "C"

classify.cc

@@ -2,7 +2,7 @@
 #include <dlib/graph_utils.h>
 #include "classify.h"
 
-int classify(
+int classify_(
 	const std::vector<descriptor>& samples,
 	const std::vector<int>& cats,
 	const descriptor& test_sample,

classify.h

@@ -1,10 +1,13 @@
 #pragma once
+#ifndef CLASSIFY_H
+#define CLASSIFY_H
 
 typedef dlib::matrix<float,0,1> descriptor;
 
-int classify(
+int classify_(
 	const std::vector<descriptor>& samples,
 	const std::vector<int>& cats,
 	const descriptor& test_sample,
 	float tolerance
 );
+#endif /* CLASSIFY_H */

error.go

@@ -1,7 +1,7 @@
 package face
 
 // #include <stdint.h>
-// #include "facerec.h"
+// #include "wrapper.h"
 import "C"
 
 // An ImageLoadError is returned when provided image file is corrupted.