Fix build on macOS with Apple M1

/usr/local is for Intel binaries/libraries, /opt/homebrew for ARM [1].

1. https://docs.brew.sh/Installation

Related to tarantool/go-tarantool#260

Author: oleg-jukovec

build.go

@@ -18,7 +18,11 @@ package openssl
 
 // #cgo linux windows freebsd openbsd solaris pkg-config: libssl libcrypto
 // #cgo linux freebsd openbsd solaris CFLAGS: -Wno-deprecated-declarations
-// #cgo darwin CFLAGS: -I/usr/local/opt/openssl/include -Wno-deprecated-declarations
-// #cgo darwin LDFLAGS: -L/usr/local/opt/openssl/lib -lssl -lcrypto
+// #cgo darwin,386 CFLAGS: -I/usr/local/opt/openssl/include -Wno-deprecated-declarations
+// #cgo darwin,386 LDFLAGS: -L/usr/local/opt/openssl/lib -lssl -lcrypto
+// #cgo darwin,amd64 CFLAGS: -I/usr/local/opt/openssl/include -Wno-deprecated-declarations
+// #cgo darwin,amd64 LDFLAGS: -L/usr/local/opt/openssl/lib -lssl -lcrypto
+// #cgo darwin,arm64 CFLAGS: -I/opt/homebrew/opt/openssl/include -Wno-deprecated-declarations
+// #cgo darwin,arm64 LDFLAGS: -L/opt/homebrew/opt/openssl/lib -lssl -lcrypto
 // #cgo windows CFLAGS: -DWIN32_LEAN_AND_MEAN
 import "C"

build_static.go

@@ -18,7 +18,11 @@ package openssl
 
 // #cgo linux windows freebsd openbsd solaris pkg-config: --static libssl libcrypto
 // #cgo linux freebsd openbsd solaris CFLAGS: -Wno-deprecated-declarations
-// #cgo darwin CFLAGS: -I/usr/local/opt/openssl/include -Wno-deprecated-declarations
-// #cgo darwin LDFLAGS: /usr/local/opt/openssl/lib/libcrypto.a /usr/local/opt/openssl/lib/libssl.a
+// #cgo darwin,386 CFLAGS: -I/usr/local/opt/openssl/include -Wno-deprecated-declarations
+// #cgo darwin,386 LDFLAGS: /usr/local/opt/openssl/lib/libcrypto.a /usr/local/opt/openssl/lib/libssl.a
+// #cgo darwin,amd64 CFLAGS: -I/usr/local/opt/openssl/include -Wno-deprecated-declarations
+// #cgo darwin,amd64 LDFLAGS: /usr/local/opt/openssl/lib/libcrypto.a /usr/local/opt/openssl/lib/libssl.a
+// #cgo darwin,arm64 CFLAGS: -I/opt/homebrew/opt/openssl/include -Wno-deprecated-declarations
+// #cgo darwin,arm64 LDFLAGS: /opt/homebrew/opt/openssl/lib/libcrypto.a /opt/homebrew/opt/openssl/lib/libssl.a
 // #cgo windows CFLAGS: -DWIN32_LEAN_AND_MEAN
 import "C"