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

PortSystem          1.0
PortGroup           cmake 1.1
PortGroup           github 1.0

name                glfw
categories          graphics
maintainers         {michaelld @michaelld} openmaintainer
description         GLFW is a free, open-source, portable library for OpenGL and OpenGL ES application development
license             zlib
platforms           darwin macosx

# glfw does not build on Mac OS X 10.5 or prior due to CoreGraphics
# references that are 10.6+.
if {${os.platform} eq "darwin" && ${os.major} < 10} {
    known_fail      yes
    pre-fetch {
        ui_error "$name does not build on Mac OS X 10.5 'Leopard' or prior."
        error "unsupported platform"
    }
}

# special build on Mac OS X 10.6
if {${os.platform} eq "darwin" && ${os.major} == 10} {

    # Mac OS X 10.6: use the latest commit supporting this OS version
    github.setup    glfw glfw a94a84b507b0d6d11e8a3f257cb21f4bd6553516
    version         3.1.2-20151024
    checksums       rmd160  1c07a75a88f272653ca246aa1212a208a83ecb30 \
                    sha256  ff4745264f92b740c50ecc90370f102c86c439f2b6108f1495bd60c87e5d6a83 \
                    size    366040
    revision        0

    # bump the epoch because I moved the version from 20151012 to 3.1.2

    epoch           1

    long_description ${description}. This version of GLFW is the latest to provide support for \
        Mac OS X 10.6 and prior, and it will not be updated. It is provided in the \
        hope that it allows ports depending on GLFW to build on these older Mac OS X installs.

    # patch to fix install directory for cmake files and docs

    patchfiles-append patch-CMakeLists.txt.legacy.diff

} elseif {${os.platform} eq "darwin" && (${os.major} == 11 || ${os.major} == 12) } {

    # Mac OS X 10.7-8: use the latest commit supporting this OS version
    github.setup    glfw glfw 3.2.1
    checksums       rmd160  5fb5988736a0a2812426907ab8d64b94eeacc010 \
                    sha256  34bc25f8111501eec35a52fd39fa50336a0c2e812d4a14454c7c946458ab015c \
                    size    472539

    long_description ${description}. This version of GLFW is the latest to provide support for \
        Mac OS X 10.7 and 10.8, and it will not be updated. It is provided in the \
        hope that it allows ports depending on GLFW to build on these older Mac OS X installs.

    patchfiles      patch-CMakeLists.txt.321.1.diff \
                    patch-CMakeLists.txt.321.2.diff

} else {

    # Mac OS X 10.9 and newer: release and devel

    # requires c11 support as of 82ca58da (20190305) for
    # <stdatomic.h>; 3.3 was released shortly after this change, so
    # this requirement is now for all modern GLFW.
    compiler.c_standard   2011
    # <stdatomic.h> support was introduced in Xcode 7.0
    PortGroup compiler_blacklist_versions 1.0

    compiler.blacklist-append {clang < 700}

    compiler.cxx_standard 2011

    configure.args-append -DCMAKE_C_STANDARD=11 -DCMAKE_C_EXTENSIONS=OFF

    subport glfw-devel {}

    if {${subport} eq ${name}} {

        # release

        github.setup glfw glfw 3.3.8
        checksums   rmd160  aac71462e51d45d1d0ce4954a8fb2b814c0edf82 \
                    sha256  fdee571ce0dd08c6ec5810266ff62c6792ebba7f4d518512015dee4e95a45012 \
                    size    803920
        revision    0

        # bump the epoch because I moved the version from 20151012 to 3.1.2

        epoch           1

        conflicts       glfw-devel
        long_description ${description}: \
            This port follows the release version of GLFW, which is typically updated every 6 months. If for some reason this port does not build or function as desired, try the ${name}-devel port.

        # patch to fix install directory for cmake files and docs

        patchfiles-append patch-CMakeLists.txt.release.diff

    } else {

        # devel

        github.setup glfw glfw c18851f52ec9704eb06464058a600845ec1eada1
        version     20220727-[string range ${github.version} 0 7]
        checksums   rmd160  9616cb03f7ccefc1732c5e5fc8aabf8bec4029f0 \
                    sha256  61a27e5426d9d9b45df3f29b30a9c0f41e2541ddd04e46743085b386c4030028 \
                    size    859351
        revision    0

        conflicts   glfw
        long_description ${description}: \
            This port follows the GIT master version of GLFW, which is typically updated every few days to weeks.

        # patch to fix install directory for cmake files and docs

        patchfiles-append patch-CMakeLists.txt.devel.diff

        # because I messed up a version as "202105623-52d8347d_0", which
        # because of the messed up date is always greater than a correctly
        # formatted date, which means livecheck will never show a newer version.

        epoch           1

    }
}

# use the real home page, not github's

homepage            https://www.glfw.org

# do VPATH (out of source tree) build

cmake.out_of_source yes

# configuration arguments for MacPorts build

configure.args-append \
    -DBUILD_SHARED_LIBS=on \
    -DGLFW_BUILD_EXAMPLES=off \
    -DGLFW_BUILD_TESTS=off \
    -DGLFW_CMAKE_CONFIG_PATH=share \
    -DBUILD_BUILD_DOCS=off

# remove top-level library path, such that internal libraries are used
# instead of any already-installed ones.

configure.ldflags-delete -L${prefix}/lib

variant docs description {build documentation} {
    # Default value is ON
    configure.args-delete -DBUILD_BUILD_DOCS=off
}

if {${build_arch} ni [list ppc ppc64]} {
    # Doxygen fails on PPC with Bus error due to malloc issues.
    # See: https://github.com/iains/darwin-toolchains-start-here/discussions/20
    default_variants    +docs
}

if {[variant_isset docs]} {
    depends_build-append  path:bin/doxygen:doxygen
    configure.args-append -DDOXYGEN_EXECUTABLE=${prefix}/bin/doxygen
} else {
    configure.args-append -DDOXYGEN_EXECUTABLE=
}