(library
 (name blake3_mini)
 (libraries unix)
 (foreign_archives blake3)
 (foreign_stubs
  (language c)
  (names blake3_stubs)
  (flags :standard -O3)))

; There are 3 configrations for the blake3 rules:
; 1. Handwritten assembly for x86_64
; 2. SIMD instructions with neon intrinsics for arm64
; 3. Portable C implementation

; 1. Handwritten assembly for x86_64

(foreign_library
 (enabled_if
  (= %{architecture} "amd64"))
 (archive_name blake3)
 (language c)
 (names blake3 blake3_portable blake3_dispatch)
 (extra_objects
  blake3_avx2_x86-64
  blake3_avx512_x86-64
  blake3_sse2_x86-64
  blake3_sse41_x86-64))

; 1.1: Unix assembly for x86_64

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (or
    (= %{system} "linux")
    (= %{system} "macosx")
    (= %{system} "beos")
    (= %{system} "freebsd")
    (= %{system} "openbsd")
    (= %{system} "netbsd"))))
 (deps blake3_avx2_x86-64_unix.S)
 (targets blake3_avx2_x86-64%{ext_obj})
 (action
  (run %{cc} -c %{deps} -o %{targets})))

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (or
    (= %{system} "linux")
    (= %{system} "macosx")
    (= %{system} "beos")
    (= %{system} "freebsd")
    (= %{system} "openbsd")
    (= %{system} "netbsd"))))
 (deps blake3_avx512_x86-64_unix.S)
 (targets blake3_avx512_x86-64%{ext_obj})
 (action
  (run %{cc} -c %{deps} -o %{targets})))

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (or
    (= %{system} "linux")
    (= %{system} "macosx")
    (= %{system} "beos")
    (= %{system} "freebsd")
    (= %{system} "openbsd")
    (= %{system} "netbsd"))))
 (deps blake3_sse2_x86-64_unix.S)
 (targets blake3_sse2_x86-64%{ext_obj})
 (action
  (run %{cc} -c %{deps} -o %{targets})))

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (or
    (= %{system} "linux")
    (= %{system} "macosx")
    (= %{system} "beos")
    (= %{system} "freebsd")
    (= %{system} "openbsd")
    (= %{system} "netbsd"))))
 (deps blake3_sse41_x86-64_unix.S)
 (targets blake3_sse41_x86-64%{ext_obj})
 (action
  (run %{cc} -c %{deps} -o %{targets})))

; 1.2: Windows GNU assembly for x86_64

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (= %{os_type} "Win32")
   (= %{system} "mingw64")
   (<> %{ocaml-config:ccomp_type} "msvc")))
 (deps blake3_avx2_x86-64_windows_gnu.S)
 (targets blake3_avx2_x86-64%{ext_obj})
 (action
  (run %{cc} -c %{deps} -o %{targets})))

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (= %{os_type} "Win32")
   (= %{system} "mingw64")
   (<> %{ocaml-config:ccomp_type} "msvc")))
 (deps blake3_avx512_x86-64_windows_gnu.S)
 (targets blake3_avx512_x86-64%{ext_obj})
 (action
  (run %{cc} -c %{deps} -o %{targets})))

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (= %{os_type} "Win32")
   (= %{system} "mingw64")
   (<> %{ocaml-config:ccomp_type} "msvc")))
 (deps blake3_sse2_x86-64_windows_gnu.S)
 (targets blake3_sse2_x86-64%{ext_obj})
 (action
  (run %{cc} -c %{deps} -o %{targets})))

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (= %{os_type} "Win32")
   (= %{system} "mingw64")
   (<> %{ocaml-config:ccomp_type} "msvc")))
 (deps blake3_sse41_x86-64_windows_gnu.S)
 (targets blake3_sse41_x86-64%{ext_obj})
 (action
  (run %{cc} -c %{deps} -o %{targets})))

; 1.3: Windows MSVC assembly for x86_64

; %{ocaml-config:asm} has other flags that we don't want

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (= %{os_type} "Win32")
   (= %{ocaml-config:ccomp_type} "msvc")))
 (deps blake3_avx2_x86-64_windows_msvc.asm)
 (targets blake3_avx2_x86-64%{ext_obj})
 (action
  (run %{bin:ml64} /nologo /quiet /Fo%{targets} /c %{deps})))

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (= %{os_type} "Win32")
   (= %{ocaml-config:ccomp_type} "msvc")))
 (deps blake3_avx512_x86-64_windows_msvc.asm)
 (targets blake3_avx512_x86-64%{ext_obj})
 (action
  (run %{bin:ml64} /nologo /quiet /Fo%{targets} /c %{deps})))

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (= %{os_type} "Win32")
   (= %{ocaml-config:ccomp_type} "msvc")))
 (deps blake3_sse2_x86-64_windows_msvc.asm)
 (targets blake3_sse2_x86-64%{ext_obj})
 (action
  (run %{bin:ml64} /nologo /quiet /Fo%{targets} /c %{deps})))

(rule
 (enabled_if
  (and
   (= %{architecture} "amd64")
   (= %{os_type} "Win32")
   (= %{ocaml-config:ccomp_type} "msvc")))
 (deps blake3_sse41_x86-64_windows_msvc.asm)
 (targets blake3_sse41_x86-64%{ext_obj})
 (action
  (run %{bin:ml64} /nologo /quiet /Fo%{targets} /c %{deps})))

; 2. SIMD instructions with neon intrinsics for arm64

(foreign_library
 (enabled_if
  (or
   (= %{architecture} "arm64")
   (= %{architecture} "aarch64")))
 (archive_name blake3)
 (language c)
 (names blake3 blake3_portable blake3_dispatch blake3_neon))

; 3. Portable C implementation

(foreign_library
 (enabled_if
  (and
   (not
    (and
     (= %{architecture} "amd64")
     (or
      (= %{os_type} "Win32")
      (= %{system} "win64")
      (= %{system} "mingw64")
      (= %{system} "linux")
      (= %{system} "macosx")
      (= %{system} "beos")
      (= %{system} "freebsd")
      (= %{system} "openbsd")
      (= %{system} "netbsd"))))
   (not
    (or
     (= %{architecture} "arm64")
     (= %{architecture} "aarch64")))))
 (archive_name blake3)
 (language c)
 (flags
  :standard
  "-DBLAKE3_NO_SSE2"
  "-DBLAKE3_NO_SSE41"
  "-DBLAKE3_NO_AVX2"
  "-DBLAKE3_NO_AVX512")
 (names blake3 blake3_portable blake3_dispatch))