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Re-add LSL_BUILD_EXAMPLES option #309

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4 changes: 4 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,10 @@ if(LSL_UNITTESTS AND NOT IOS)
add_subdirectory(testing)
endif()

if(LSL_BUILD_EXAMPLES)
add_subdirectory(examples)
endif()

# Config for packaging
include(cmake/LSLCMake.cmake)
LSL_get_target_arch()
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1 change: 1 addition & 0 deletions cmake/ProjectOptions.cmake
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Expand Up @@ -11,6 +11,7 @@ option(LSL_LEGACY_CPP_ABI "Build legacy C++ ABI into lsl-static" OFF)
option(LSL_OPTIMIZATIONS "Enable some more compiler optimizations" ON)
option(LSL_BUNDLED_BOOST "Use the bundled Boost by default" ON)
option(LSL_FETCH_PUGIXML "Fetch pugixml via FetchContent instead of using system package" ON)
option(LSL_BUILD_EXAMPLES "Build example programs in examples/" OFF)
cmake_dependent_option(LSL_TOOLS "Build some experimental tools for in-depth tests" OFF "CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR" OFF)
cmake_dependent_option(LSL_UNITTESTS "Build LSL library unit tests" OFF "CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR" OFF)
cmake_dependent_option(LSL_INSTALL "Generate install targets" ON "CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR" OFF)
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81 changes: 44 additions & 37 deletions examples/CMakeLists.txt
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Expand Up @@ -3,38 +3,40 @@ project(lslexamples
LANGUAGES C CXX
VERSION 0.2.0)

include(GNUInstallDirs)
if(PROJECT_IS_TOP_LEVEL)
include(GNUInstallDirs)

set(LSL_SEARCH_PATHS
${LSL_INSTALL_ROOT}
"${CMAKE_CURRENT_LIST_DIR}/../install" # GHA scripts default install directory
"${CMAKE_CURRENT_LIST_DIR}/../cmake-build-release/install" # CLion default if using -DCMAKE_INSTALL_PREFIX=install
)
if(APPLE)
# Also search in a Frameworks subdirectory for each path
foreach(p IN LISTS LSL_SEARCH_PATHS)
if(p)
list(APPEND LSL_SEARCH_PATHS "${p}/Frameworks")
endif()
endforeach()
else()
# Add MSVC-specific paths if not on Apple
list(APPEND LSL_SEARCH_PATHS
"${CMAKE_CURRENT_LIST_DIR}/../cmake-build-release-visual-studio/install" # CLion default if using VS compiler
"${CMAKE_CURRENT_LIST_DIR}/../out/build/x64-Release/install" # MSVC default if using -DCMAKE_INSTALL_PREFIX=install
set(LSL_SEARCH_PATHS
${LSL_INSTALL_ROOT}
"${CMAKE_CURRENT_LIST_DIR}/../install" # GHA scripts default install directory
"${CMAKE_CURRENT_LIST_DIR}/../cmake-build-release/install" # CLion default if using -DCMAKE_INSTALL_PREFIX=install
)
endif()
if(APPLE)
# Also search in a Frameworks subdirectory for each path
foreach(p IN LISTS LSL_SEARCH_PATHS)
if(p)
list(APPEND LSL_SEARCH_PATHS "${p}/Frameworks")
endif()
endforeach()
else()
# Add MSVC-specific paths if not on Apple
list(APPEND LSL_SEARCH_PATHS
"${CMAKE_CURRENT_LIST_DIR}/../cmake-build-release-visual-studio/install" # CLion default if using VS compiler
"${CMAKE_CURRENT_LIST_DIR}/../out/build/x64-Release/install" # MSVC default if using -DCMAKE_INSTALL_PREFIX=install
)
endif()

find_package(LSL REQUIRED
HINTS ${LSL_SEARCH_PATHS}
PATH_SUFFIXES share/LSL
)
get_filename_component(LSL_PATH ${LSL_CONFIG} DIRECTORY)
message(STATUS "Found LSL lib in ${LSL_PATH}")
find_package(LSL REQUIRED
HINTS ${LSL_SEARCH_PATHS}
PATH_SUFFIXES share/LSL
)
get_filename_component(LSL_PATH ${LSL_CONFIG} DIRECTORY)
message(STATUS "Found LSL lib in ${LSL_PATH}")

# Include the LSLCMake.cmake file, just for testing.
# This doesn't do much for us now that we don't use installLSLApp() anymore.
include("${LSL_PATH}/LSLCMake.cmake")
# Include the LSLCMake.cmake file, just for testing.
# This doesn't do much for us now that we don't use installLSLApp() anymore.
include("${LSL_PATH}/LSLCMake.cmake")
endif()

# convenience function to add an example file
# this creates a target, links the necessary libraries and
Expand Down Expand Up @@ -65,10 +67,12 @@ function(addlslexample name extension)
# )
# endif()

install(TARGETS ${name}
COMPONENT ${PROJECT_NAME}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)
if(PROJECT_IS_TOP_LEVEL)
install(TARGETS ${name}
COMPONENT ${PROJECT_NAME}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)
endif()
endfunction()

find_package(Threads)
Expand Down Expand Up @@ -107,9 +111,12 @@ if(WIN32)
$<TARGET_FILE_DIR:HandleMetaData>
COMMENT "Copying lsl.dll to examples build directory"
)
# Install the lsl.dll to the same directory as the executable.
install(
CODE "file(INSTALL DESTINATION \"${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}\" TYPE SHARED_LIBRARY FILES \"$<TARGET_FILE:LSL::lsl>\")"
COMPONENT ${PROJECT_NAME}
)

if(PROJECT_IS_TOP_LEVEL)
# Install the lsl.dll to the same directory as the executable.
install(
CODE "file(INSTALL DESTINATION \"${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}\" TYPE SHARED_LIBRARY FILES \"$<TARGET_FILE:LSL::lsl>\")"
COMPONENT ${PROJECT_NAME}
)
endif()
endif()
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