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116 lines
3.7 KiB
Diff
116 lines
3.7 KiB
Diff
diff --git a/CMake/FLTKConfig.cmake.in b/CMake/FLTKConfig.cmake.in
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index e2de914..c0bee05 100644
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--- a/CMake/FLTKConfig.cmake.in
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+++ b/CMake/FLTKConfig.cmake.in
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@@ -37,17 +37,100 @@ set (FLTK_USE_FILE ${CMAKE_CURRENT_LIST_DIR}/UseFLTK.cmake)
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set (FLTK_INCLUDE_DIR "${FLTK_INCLUDE_DIRS}")
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-if (CMAKE_CROSSCOMPILING)
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- find_file(FLUID_PATH
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+if(CMAKE_CROSSCOMPILING)
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+
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+ # Find a fluid executable on the build host to be able to build fluid programs
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+
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+ find_program(FLTK_FLUID_HOST
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NAMES fluid fluid.exe
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PATHS ENV PATH
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+ NO_DEFAULT_PATH
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NO_CMAKE_FIND_ROOT_PATH
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)
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- add_executable(fluid IMPORTED)
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- set_target_properties(fluid
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- PROPERTIES IMPORTED_LOCATION ${FLUID_PATH}
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- )
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- set (FLTK_FLUID_EXECUTABLE ${FLUID_PATH})
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-else ()
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- set (FLTK_FLUID_EXECUTABLE fluid)
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-endif (CMAKE_CROSSCOMPILING)
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+
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+ if(FLTK_FLUID_HOST)
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+
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+ if(0) # Experimental: currently not used
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+ # Import a special 'fluid' target called 'fluid-host' (fltk::fluid-host)
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+ # Note: this is "the same as" the CMake variable FLTK_FLUID_EXECUTABLE
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+ add_executable(fluid-host IMPORTED)
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+ set_target_properties(fluid-host
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+ PROPERTIES IMPORTED_LOCATION ${FLTK_FLUID_HOST}
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+ )
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+ add_executable(fltk::fluid-host ALIAS fluid-host)
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+ set(FLTK_FLUID_EXECUTABLE fltk::fluid-host)
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+
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+ else()
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+
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+ set(FLTK_FLUID_EXECUTABLE "${FLTK_FLUID_HOST}")
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+
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+ endif()
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+
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+ else() # fluid not found on build host
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+
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+ message(STATUS "FLTKConfig.cmake (cross-compiling): fluid not found on the build host")
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+ # note: this assigns "FLTK_FLUID_HOST-NOTFOUND" and running fluid will fail
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+ set(FLTK_FLUID_EXECUTABLE "${FLTK_FLUID_HOST}")
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+
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+ endif()
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+
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+else(CMAKE_CROSSCOMPILING)
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+
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+ if(FLTK_CREATE_COMPATIBILITY_ALIASES)
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+
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+ function(_fltk_make_alias target from)
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+ if(TARGET ${from} AND NOT TARGET ${target})
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+ # message(STATUS "FLTKConfig.cmake - create alias: ${target} from ${from}")
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+
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+ # promote imported target to global visibility (CMake < 3.18 only)
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+ if(CMAKE_VERSION VERSION_LESS "3.18")
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+ set_target_properties(${from} PROPERTIES IMPORTED_GLOBAL TRUE)
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+ endif()
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+
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+ get_target_property(ttype ${from} TYPE)
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+ if(ttype STREQUAL "EXECUTABLE")
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+ add_executable(${target} ALIAS ${from})
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+ else()
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+ add_library(${target} ALIAS ${from})
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+ endif()
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+ endif()
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+ endfunction(_fltk_make_alias target)
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+
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+ if(NOT TARGET fltk::fltk)
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+ message(FATAL "FLTKConfig.cmake: target fltk::fltk does not exist!")
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+ endif()
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+
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+ _fltk_make_alias(fltk fltk::fltk)
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+ _fltk_make_alias(fltk-shared fltk::fltk-shared)
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+
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+ _fltk_make_alias(fluid fltk::fluid)
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+ _fltk_make_alias(fluid-cmd fltk::fluid-cmd)
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+
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+ _fltk_make_alias(fltk-options fltk::options)
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+ _fltk_make_alias(fltk-options-cmd fltk::options-cmd)
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+
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+ foreach(target cairo forms gl images jpeg png z)
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+ _fltk_make_alias(fltk_${target} fltk::${target})
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+ _fltk_make_alias(fltk_${target}-shared fltk::${target}-shared)
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+ endforeach()
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+
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+ endif() # Create aliases ...
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+
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+ # set FLTK_FLUID_EXECUTABLE: try to use the fltk::target name if it
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+ # exists and fall back to 'fluid-cmd' or 'fluid' if not. This will
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+ # eventually call the build host's fluid if found in the users's PATH
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+
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+ if(TARGET fltk::fluid-cmd) # Windows only
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+ set(FLTK_FLUID_EXECUTABLE fltk::fluid-cmd)
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+ elseif(TARGET fltk::fluid)
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+ set(FLTK_FLUID_EXECUTABLE fltk::fluid)
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+ elseif(WIN32)
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+ set(FLTK_FLUID_EXECUTABLE fluid-cmd)
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+ else()
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+ set(FLTK_FLUID_EXECUTABLE fluid)
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+ endif()
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+
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+endif(CMAKE_CROSSCOMPILING)
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+
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+# Debug: should be commented out
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+# message(STATUS "FLTKConfig.cmake: FLTK_FLUID_EXECUTABLE = '${FLTK_FLUID_EXECUTABLE}'")
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