# -*- 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
# $Id$

PortSystem          1.0
PortGroup           crossgcc 1.0

set mingw_name      w64-mingw32
set mingw_arch      x86_64
set mingw_target    ${mingw_arch}-${mingw_name}
set mingw_prefix    ${prefix}/${mingw_target}

crossgcc.setup      ${mingw_target} 6.2.0
dist_subdir         gcc6

# name              x86_64-w64-mingw32-gcc
# set branch        [join [lrange [split ${version} .] 0 1] .]

maintainers         mojca openmaintainer

checksums           rmd160  d9154ca51f40ae3ce42950a0476f701a9f86fc95 \
                    sha256  9944589fc722d3e66308c0ce5257788ebd7872982a718aa2516123940671b7c5

depends_lib-append  port:${mingw_target}-binutils \
                    port:${mingw_target}-headers

# TODO: check the difference in headers installed by MinGW and those by the compiler
# this doesn't work
configure.args-delete \
                    --prefix=${prefix}
configure.args-append \
                    --prefix=${mingw_prefix} \
                    --with-sysroot=${mingw_prefix} \
                    --disable-multilib \
                    --enable-shared \
                    --with-dwarf \
                    --enable-fully-dynamic-string \
                    --enable-libssp \
                    --enable-lto

# TODO:
#   --enable-version-specific-runtime-libs
#       Installs libgcc/libstdc++ and other target support libraries in such a
#       way that multiple GCC installs can coexist simultaneously.
#   --enable-libgomp
#       Enable OpenMP support, it is not enabled by default on MinGW platforms.
#       Requires pthreads-win32 (target) installed.
#   --with-{cloog,ppl}=<host dir>
#       Tells GCC where the host support libraries are installed to.
#       (i.e. search <host dir>/include & <host dir>/lib)

if {${subport} eq ${name}} {
    build.target        all-gcc
    destroot.target     install-gcc

    # TODO: this code should be removed once --prefix gets fixed
    post-destroot {
        ui_info "path: ${destroot}${mingw_prefix}/bin"
        foreach file [glob -tails -directory ${destroot}${mingw_prefix}/bin ${mingw_target}-*] {
            ln -s "${mingw_prefix}/bin/${file}" "${destroot}${prefix}/bin/"
        }
        # TODO:
        # delete contents of ${destroot}/${prefix}/share/x86_64-w64-mingw32-gcc/locale
    }
}

subport ${mingw_target}-libgcc {
    depends_lib-append  port:${mingw_target}-crt \
                        port:${mingw_target}-gcc

    build.target        all-target-libgcc
    destroot.target     install-target-libgcc
    # move libgcc_*.dll to a more suitable place
}
subport ${mingw_target}-all {
    # TODO: pthread-win32
    depends_lib-append  port:${mingw_target}-gcc \
                        port:${mingw_target}-libgcc

    post-destroot {
        # TODO:
        # - delete contents of
        #   ${destroot}/${prefix}/share/x86_64-w64-mingw32-gcc/locale
    }
}

# TODO:
# - first build gcc with "make all-gcc & make install-gcc"
# - then build CRT
# - then libgcc in the same folder as the compiler was being built (make all-target-libgcc, make install-target-libgcc)
# - then pthreads
# - and another build of the compiler (make, make install)