# -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4

PortSystem              1.0
PortGroup               github 1.0
PortGroup               cmake 1.1
PortGroup               legacysupport 1.1

github.setup            ggerganov llama.cpp 4534 b
github.tarball_from     archive
set git-commit          955a6c2
# This line is for displaying commit in CLI only
revision                0
categories              llm
maintainers             {i0ntempest @i0ntempest} openmaintainer
license                 MIT

description             LLM inference in C/C++
long_description        The main goal of ${name} is to enable LLM inference with minimal\
                        setup and state-of-the-art performance on a wide variety of hardware\
                         - locally and in the cloud.

checksums               rmd160  771fa15d2c7b6a3ef9114fd3c0afb676e0ba6559 \
                        sha256  f4b57daa8d6bfe957f08a79f02ea9d24018ce9e73663c35a5c21f31ed3ccfcb8 \
                        size    20496342

# error: 'filesystem' file not found on 10.14
legacysupport.newest_darwin_requires_legacy \
                        18
legacysupport.use_mp_libcxx \
                        yes

depends_build-append    path:bin/pkg-config:pkgconfig

depends_lib-append      port:curl

# cmake relies on git for version info. We need to set them manually.
post-patch {
    reinplace "s|@BUILD_NUMBER@|${version}|" ${worksrcpath}/common/build-info.cpp.in
    reinplace "s|@BUILD_COMMIT@|${git-commit}|" ${worksrcpath}/common/build-info.cpp.in
}

compiler.cxx_standard   2017

configure.args-append   -LAH \
                        -DGGML_LTO=ON \
                        -DGGML_CCACHE=OFF \
                        -DGGML_OPENMP=OFF \
                        -DLLAMA_CURL=ON

# error: use of undeclared identifier 'MTLGPUFamilyApple7' on 10.14
if {${os.platform} eq "darwin" && ${os.subplatform} eq "macosx" && \
    (${os.major} >= 20 && ${configure.sdk_version} >= 11)} {
    configure.args-append \
                        -DGGML_METAL=ON \
                        -DGGML_METAL_EMBED_LIBRARY=ON \
                        -DGGML_METAL_MACOSX_VERSION_MIN=${macos_version_major}
} else {
    configure.args-append \
                        -DGGML_METAL=OFF \
                        -DGGML_METAL_EMBED_LIBRARY=OFF
}

variant blas description {Uses BLAS, improves performance} {
    configure.args-append \
                        -DGGML_BLAS=ON
    if {${os.platform} eq "darwin" && ${os.subplatform} eq "macosx"} {
        configure.args-append \
                        -DGGML_ACCELLERATE=ON \
                        -DGGML_BLAS_VENDOR=Apple
    } else {
        configure.args-append \
                        -DGGML_ACCELLERATE=OFF \
                        -DGGML_BLAS_VENDOR=OpenBLAS

        depends_lib-append  path:lib/libopenblas.dylib:OpenBLAS
    }
}

variant openmp description {enable parallelism support using OpenMP} {
    compiler.openmp_version \
                        4.5
    compiler.blacklist-append \
                        {macports-clang-[0-9].*}
    configure.args-replace \
                        -DGGML_OPENMP=OFF \
                        -DGGML_OPENMP=ON
    if {[string match *clang* ${configure.compiler}]} {
        configure.ldflags-append \
                        -L${prefix}/lib/libomp -lomp
    }
}

variant native description "Force local build and optimize for CPU" {
    configure.args-append \
                        -DGGML_NATIVE=ON
}

default_variants        +blas +openmp