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feat(cmake-build): Option to allow building shared libraries. (#3278)

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Add option in CMake build to specify that shared libraries should be created (as
opposed to static). This is an exclusive option (not enabled by default).

Co-authored-by: simeplejack-src <example@example.com>
This commit is contained in:
simplejack-src
2022-04-20 06:04:56 -04:00
committed by GitHub
parent 17f5e0accb
commit 1cf2e5d886
2 changed files with 23 additions and 1 deletions
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10
docs/get-started/platforms/cmake.md
View File

@@ -81,3 +81,13 @@ FetchContent_MakeAvailable(lv_drivers)
# The target "MyFirmware" depends on LVGL, drivers and demos # The target "MyFirmware" depends on LVGL, drivers and demos
target_link_libraries(MyFirmware PRIVATE lvgl::lvgl lvgl::drivers lvgl::examples) target_link_libraries(MyFirmware PRIVATE lvgl::lvgl lvgl::drivers lvgl::examples)
``` ```
# Build shared libraries with CMake
By default, LVGL will be built as a static library (archive). CMake can instead be instructed to build LVGL as shared library (.so/.dll/etc.):
```cmake
set(BUILD_SHARED_LIBS ON)
```
OR
```
$ cmake "-DBUILD_SHARED_LIBS=ON" .
```

14
env_support/cmake/custom.cmake
View File

@@ -11,11 +11,19 @@ option(LV_CONF_INCLUDE_SIMPLE
option(LV_CONF_PATH "Path defined for lv_conf.h") option(LV_CONF_PATH "Path defined for lv_conf.h")
get_filename_component(LV_CONF_DIR ${LV_CONF_PATH} DIRECTORY) get_filename_component(LV_CONF_DIR ${LV_CONF_PATH} DIRECTORY)
# Option to build shared libraries (as opposed to static), default: OFF
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
file(GLOB_RECURSE SOURCES ${LVGL_ROOT_DIR}/src/*.c) file(GLOB_RECURSE SOURCES ${LVGL_ROOT_DIR}/src/*.c)
file(GLOB_RECURSE EXAMPLE_SOURCES ${LVGL_ROOT_DIR}/examples/*.c) file(GLOB_RECURSE EXAMPLE_SOURCES ${LVGL_ROOT_DIR}/examples/*.c)
file(GLOB_RECURSE DEMO_SOURCES ${LVGL_ROOT_DIR}/demos/*.c) file(GLOB_RECURSE DEMO_SOURCES ${LVGL_ROOT_DIR}/demos/*.c)
add_library(lvgl STATIC ${SOURCES}) if (BUILD_SHARED_LIBS)
add_library(lvgl SHARED ${SOURCES})
else()
add_library(lvgl STATIC ${SOURCES})
endif()
add_library(lvgl::lvgl ALIAS lvgl) add_library(lvgl::lvgl ALIAS lvgl)
add_library(lvgl_examples STATIC ${EXAMPLE_SOURCES}) add_library(lvgl_examples STATIC ${EXAMPLE_SOURCES})
add_library(lvgl::examples ALIAS lvgl_examples) add_library(lvgl::examples ALIAS lvgl_examples)
@@ -59,9 +67,13 @@ set_target_properties(
lvgl lvgl
PROPERTIES OUTPUT_NAME lvgl PROPERTIES OUTPUT_NAME lvgl
ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib" ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"
LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib"
PUBLIC_HEADER "${LVGL_PUBLIC_HEADERS}") PUBLIC_HEADER "${LVGL_PUBLIC_HEADERS}")
install( install(
TARGETS lvgl TARGETS lvgl
ARCHIVE DESTINATION "${LIB_INSTALL_DIR}" ARCHIVE DESTINATION "${LIB_INSTALL_DIR}"
LIBRARY DESTINATION "${LIB_INSTALL_DIR}"
RUNTIME DESTINATION "${LIB_INSTALL_DIR}"
PUBLIC_HEADER DESTINATION "${INC_INSTALL_DIR}") PUBLIC_HEADER DESTINATION "${INC_INSTALL_DIR}")