IfcOpenShell/src/ifcviewer-minimal/CMakeLists.txt

################################################################################
#                                                                              #
# This file is part of IfcOpenShell.                                           #
#                                                                              #
# IfcOpenShell is free software: you can redistribute it and/or modify         #
# it under the terms of the Lesser GNU General Public License as published by  #
# the Free Software Foundation, either version 3.0 of the License, or          #
# (at your option) any later version.                                          #
#                                                                              #
# IfcOpenShell is distributed in the hope that it will be useful,              #
# but WITHOUT ANY WARRANTY; without even the implied warranty of               #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 #
# Lesser GNU General Public License for more details.                          #
#                                                                              #
# You should have received a copy of the Lesser GNU General Public License     #
# along with this program. If not, see <http://www.gnu.org/licenses/>.         #
#                                                                              #
################################################################################

message("Running CMakeLists.txt in /src/ifcviewer-minimal")

find_package(Qt${QT_VERSION} COMPONENTS Widgets REQUIRED PATHS ${QT_DIR})

file(GLOB IFCVIEWER_MIN_CPP_FILES ${CMAKE_CURRENT_SOURCE_DIR}/*.cpp)

add_executable(IfcViewerMinimal ${IFCVIEWER_MIN_CPP_FILES})

set_target_properties(IfcViewerMinimal PROPERTIES
    AUTOMOC ON
    WIN32_EXECUTABLE ON
    MACOSX_BUNDLE ON
)

target_link_libraries(IfcViewerMinimal PRIVATE
    IfcViewer
    Qt${QT_VERSION}::Widgets
)

# Pin the build-tree rpath so the executable finds libwgpu_native.so when
# run directly out of build-viewer-wgpu/. The patched SONAME means DT_NEEDED
# is just the basename, so a single rpath entry suffices.
if(UNIX AND NOT APPLE AND WGPU_NATIVE_LIB_DIR)
    set_target_properties(IfcViewerMinimal PROPERTIES
        BUILD_RPATH "${WGPU_NATIVE_LIB_DIR}"
    )
endif()

# macOS install-time rpath — same as BonsaiViewer.app: dyld looks in
# IfcViewerMinimal.app/Contents/Frameworks for @rpath/* link deps
# (libwgpu_native.dylib, libIfcParse.dylib, libifcopenshell.geometry.dylib,
# …). The actual files get staged below via install(CODE).
if(APPLE)
    set_target_properties(IfcViewerMinimal PROPERTIES
        INSTALL_RPATH "@executable_path/../Frameworks"
    )
endif()

# BUNDLE DESTINATION must be "." (install-prefix root) on macOS — Qt's
# deploy generator emits `macdeployqt IfcViewerMinimal.app` (no
# path prefix), which resolves only when the .app sits at the install
# root. With `bin/` it can't find the bundle and the install/strip
# step fails.
install(TARGETS IfcViewerMinimal
    EXPORT  ${IFCOPENSHELL_EXPORT_TARGETS}
    RUNTIME DESTINATION bin
    BUNDLE  DESTINATION .
)
ifcopenshell_deploy_qt_runtime(IfcViewerMinimal)

# Mirror BonsaiViewer.app's bundle staging on macOS — see
# src/bonsaiviewer/CMakeLists.txt for the long-form rationale (macdeployqt
# doesn't follow non-Qt @rpath deps, the lib-prefixed core libs vs
# ifcopenshell.* plug-in naming split, the geometry-writer EXCLUDE filter
# that keeps the bundle small).
if(APPLE)
    # libwgpu_native.dylib lives in WGPU_NATIVE_LIB_DIR (set by
    # src/ifcviewer/CMakeLists.txt). Glob it rather than hard-code the
    # filename so we cover both libwgpu_native.dylib (and any future
    # versioned name).
    file(GLOB _wgpu_native_dylib "${WGPU_NATIVE_LIB_DIR}/libwgpu_native.*")
    install(FILES ${_wgpu_native_dylib}
            DESTINATION "IfcViewerMinimal.app/Contents/Frameworks")

    install(CODE [[
        set(_fw "${CMAKE_INSTALL_PREFIX}/IfcViewerMinimal.app/Contents/Frameworks")
        file(GLOB _ifc_dylibs "${CMAKE_INSTALL_PREFIX}/lib/*.dylib")
        list(FILTER _ifc_dylibs EXCLUDE REGEX "ifcopenshell\\.geometry\\.writer\\.")
        if(_ifc_dylibs)
            message(STATUS "Staging IfcOpenShell dylibs (linked core + plug-ins) into IfcViewerMinimal.app/Contents/Frameworks")
            file(COPY ${_ifc_dylibs} DESTINATION "${_fw}")
        else()
            message(WARNING "No IfcOpenShell *.dylib found in lib/ — IfcViewerMinimal.app will fail to launch (missing @rpath linked deps) or at IFC load time (missing plug-ins)")
        endif()
    ]])
endif()