# Common Ambient Variables:
#   VCPKG_ROOT_DIR = <C:\path\to\current\vcpkg>
#   TARGET_TRIPLET is the current triplet (x86-windows, etc)
#   PORT is the current port name (zlib, etc)
#   CURRENT_BUILDTREES_DIR = ${VCPKG_ROOT_DIR}\buildtrees\${PORT}
#   CURRENT_PACKAGES_DIR  = ${VCPKG_ROOT_DIR}\packages\${PORT}_${TARGET_TRIPLET}
#

include(vcpkg_common_functions)
set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/fftw-3.3.6-pl1)
vcpkg_download_distfile(ARCHIVE
    URLS "http://www.fftw.org/fftw-3.3.6-pl1.tar.gz"
    FILENAME "fftw-3.3.6-pl1.tar.gz"
    SHA512 e2ed33fcb068a36a841bbd898d12ceec74f4e9a0a349e7c55959878b50224a69a0f87656347dad7d7e1448ebc50d28d8f34f6da7992c43072d26942fd97c0134
)

vcpkg_extract_source_archive(${ARCHIVE})

file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
file(COPY ${CMAKE_CURRENT_LIST_DIR}/config.h DESTINATION ${SOURCE_PATH})

vcpkg_configure_cmake(
    SOURCE_PATH ${SOURCE_PATH}
    PREFER_NINJA
)

vcpkg_install_cmake()
vcpkg_copy_pdbs()

file(COPY ${SOURCE_PATH}/api/fftw3.h DESTINATION ${CURRENT_PACKAGES_DIR}/include)

if (VCPKG_CRT_LINKAGE STREQUAL dynamic)
    vcpkg_apply_patches(
            SOURCE_PATH ${CURRENT_PACKAGES_DIR}/include
            PATCHES
                    ${CMAKE_CURRENT_LIST_DIR}/fix-dynamic.patch)
endif()

# Handle copyright
file(COPY ${SOURCE_PATH}/COPYING DESTINATION ${CURRENT_PACKAGES_DIR}/share/fftw3)
file(RENAME ${CURRENT_PACKAGES_DIR}/share/fftw3/COPYING ${CURRENT_PACKAGES_DIR}/share/fftw3/copyright)