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kvm
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reduce initial build time

This commit is contained in:
Siyuan Miao 2025-09-25 21:04:22 +00:00 committed by Siyuan
parent 5e1dab5522
commit fb5ed4d62e
8 changed files with 2900 additions and 207 deletions
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11
DEVELOPMENT.md
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@ -361,6 +361,17 @@ The application uses a JSON configuration file stored at `/userdata/kvm_config.j
3. **Add migration logic if needed for existing installations**
### LVGL Build
We modified the LVGL code a little bit to remove unused fonts and examples.
The patches are generated by
```bash
git diff --cached --diff-filter=d > ../internal/native/cgo/lvgl-minify.patch && \
git diff --name-only --diff-filter=d --cached > ../internal/native/cgo/lvgl-minify.del
```
---
**Happy coding!**

1
internal/native/cgo/CMakeLists.txt
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@ -35,6 +35,7 @@ FetchContent_Declare(
GIT_TAG v9.3.0
GIT_SHALLOW 1
UPDATE_DISCONNECTED 1
PATCH_COMMAND patch -p1 -f < ${CMAKE_CURRENT_SOURCE_DIR}/lvgl-minify.patch && cat ${CMAKE_CURRENT_SOURCE_DIR}/lvgl-minify.del | xargs rm -v
)
FetchContent_MakeAvailable(lvgl)

2637
internal/native/cgo/lvgl-minify.del Normal file
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File diff suppressed because it is too large Load Diff

251
internal/native/cgo/lvgl-minify.patch Normal file
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@ -0,0 +1,251 @@
diff --git a/env_support/cmake/os_desktop.cmake b/env_support/cmake/os_desktop.cmake
index 5c6b05ed8..a18044d64 100644
--- a/env_support/cmake/os_desktop.cmake
+++ b/env_support/cmake/os_desktop.cmake
@@ -60,8 +60,6 @@ get_directory_property(HAS_PARENT_SCOPE PARENT_DIRECTORY)
# Set sources used for LVGL components
file(GLOB_RECURSE SOURCES ${LVGL_ROOT_DIR}/src/*.c
${LVGL_ROOT_DIR}/src/*.S)
-file(GLOB_RECURSE EXAMPLE_SOURCES ${LVGL_ROOT_DIR}/examples/*.c)
-file(GLOB_RECURSE DEMO_SOURCES ${LVGL_ROOT_DIR}/demos/*.c)
file(GLOB_RECURSE THORVG_SOURCES ${LVGL_ROOT_DIR}/src/libs/thorvg/*.cpp
${LVGL_ROOT_DIR}/src/others/vg_lite_tvg/*.cpp)
@@ -229,51 +227,6 @@ if(NOT (CMAKE_C_COMPILER_ID STREQUAL "MSVC"))
PROPERTIES COMPILE_FLAGS -Wunused-parameter)
endif()
-# Build LVGL example library
-if(CONFIG_LV_BUILD_EXAMPLES)
-
- message(STATUS "Enabling the building of examples")
-
- add_library(lvgl_examples ${EXAMPLE_SOURCES})
- add_library(lvgl::examples ALIAS lvgl_examples)
- target_include_directories(lvgl_examples SYSTEM PUBLIC ${LVGL_ROOT_DIR}/examples)
- set_target_properties(lvgl_examples PROPERTIES COMPILE_DEFINITIONS "${COMP_DEF}")
-
- # This tells cmake to link lvgl with lvgl_examples
- # PUBLIC allows code linking with LVGL to also use the library
- # The linker will resolve all dependencies when dynamic linking
- target_link_libraries(lvgl PUBLIC lvgl_examples)
-
- # During static linking, we need to create a cyclic dependency as the examples also needs lvgl
- if (NOT BUILD_SHARED_LIBS)
- target_link_libraries(lvgl_examples PRIVATE lvgl)
- endif()
-
-endif()
-
-# Build LVGL demos library
-if(CONFIG_LV_BUILD_DEMOS)
-
- message(STATUS "Enabling the building of demos")
-
- add_library(lvgl_demos ${DEMO_SOURCES})
- add_library(lvgl::demos ALIAS lvgl_demos)
- target_include_directories(lvgl_demos SYSTEM PUBLIC ${LVGL_ROOT_DIR}/demos)
- set_target_properties(lvgl_demos PROPERTIES COMPILE_DEFINITIONS "${COMP_DEF}")
-
- # This tells cmake to link lvgl with lvgl_examples
- # PUBLIC allows code linking with LVGL to also use the library
- # The linker will resolve all dependencies when dynamic linking
- target_link_libraries(lvgl PUBLIC lvgl_demos)
-
- # During static linking, we need to create a cyclic dependency as the demos also needs lvgl
- if (NOT BUILD_SHARED_LIBS)
- # If static linking - demos depends on fonts defined in lvgl
- # During dynamic linking, the linker is able to resolve everything
- target_link_libraries(lvgl_demos PRIVATE lvgl)
- endif()
-
-endif()
############################## INSTALLATION ######################################
@@ -373,58 +326,6 @@ if(CONFIG_LV_USE_THORVG_INTERNAL)
endif()
-if(CONFIG_LV_BUILD_DEMOS)
-
- install(
- DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/demos"
- DESTINATION "${INC_INSTALL_DIR}"
- FILES_MATCHING
- PATTERN "*.h")
-
- set_target_properties(
- lvgl_demos
- PROPERTIES OUTPUT_NAME lvgl_demos
- VERSION ${LVGL_VERSION}
- SOVERSION ${LVGL_SOVERSION}
- ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib"
- LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib"
- PUBLIC_HEADER "${LVGL_PUBLIC_HEADERS}")
-
- install(
- TARGETS lvgl_demos
- ARCHIVE DESTINATION "${LIB_INSTALL_DIR}"
- LIBRARY DESTINATION "${LIB_INSTALL_DIR}"
- RUNTIME DESTINATION "${RUNTIME_INSTALL_DIR}"
- PUBLIC_HEADER DESTINATION "${INC_INSTALL_DIR}")
-
-endif()
-
-if(CONFIG_LV_BUILD_EXAMPLES)
-
- install(
- DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/examples"
- DESTINATION "${INC_INSTALL_DIR}"
- FILES_MATCHING
- PATTERN "*.h")
-
- set_target_properties(
- lvgl_examples
- PROPERTIES OUTPUT_NAME lvgl_examples
- VERSION ${LVGL_VERSION}
- SOVERSION ${LVGL_SOVERSION}
- ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib"
- LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib"
- PUBLIC_HEADER "${LVGL_PUBLIC_HEADERS}")
-
- install(
- TARGETS lvgl_examples
- ARCHIVE DESTINATION "${LIB_INSTALL_DIR}"
- LIBRARY DESTINATION "${LIB_INSTALL_DIR}"
- RUNTIME DESTINATION "${RUNTIME_INSTALL_DIR}"
- PUBLIC_HEADER DESTINATION "${INC_INSTALL_DIR}")
-
-endif()
-
############################## SET GLOBAL VARIABLES ######################################
if (HAS_PARENT_SCOPE)
diff --git a/src/font/lv_font.h b/src/font/lv_font.h
index 180891832..b66c30eaa 100644
--- a/src/font/lv_font.h
+++ b/src/font/lv_font.h
@@ -230,122 +230,10 @@ bool lv_font_has_static_bitmap(const lv_font_t * font);
#define LV_FONT_DECLARE(font_name) LV_ATTRIBUTE_EXTERN_DATA extern const lv_font_t font_name;
-#if LV_FONT_MONTSERRAT_8
-LV_FONT_DECLARE(lv_font_montserrat_8)
-#endif
-
-#if LV_FONT_MONTSERRAT_10
-LV_FONT_DECLARE(lv_font_montserrat_10)
-#endif
-
-#if LV_FONT_MONTSERRAT_12
-LV_FONT_DECLARE(lv_font_montserrat_12)
-#endif
-
#if LV_FONT_MONTSERRAT_14
LV_FONT_DECLARE(lv_font_montserrat_14)
#endif
-#if LV_FONT_MONTSERRAT_16
-LV_FONT_DECLARE(lv_font_montserrat_16)
-#endif
-
-#if LV_FONT_MONTSERRAT_18
-LV_FONT_DECLARE(lv_font_montserrat_18)
-#endif
-
-#if LV_FONT_MONTSERRAT_20
-LV_FONT_DECLARE(lv_font_montserrat_20)
-#endif
-
-#if LV_FONT_MONTSERRAT_22
-LV_FONT_DECLARE(lv_font_montserrat_22)
-#endif
-
-#if LV_FONT_MONTSERRAT_24
-LV_FONT_DECLARE(lv_font_montserrat_24)
-#endif
-
-#if LV_FONT_MONTSERRAT_26
-LV_FONT_DECLARE(lv_font_montserrat_26)
-#endif
-
-#if LV_FONT_MONTSERRAT_28
-LV_FONT_DECLARE(lv_font_montserrat_28)
-#endif
-
-#if LV_FONT_MONTSERRAT_30
-LV_FONT_DECLARE(lv_font_montserrat_30)
-#endif
-
-#if LV_FONT_MONTSERRAT_32
-LV_FONT_DECLARE(lv_font_montserrat_32)
-#endif
-
-#if LV_FONT_MONTSERRAT_34
-LV_FONT_DECLARE(lv_font_montserrat_34)
-#endif
-
-#if LV_FONT_MONTSERRAT_36
-LV_FONT_DECLARE(lv_font_montserrat_36)
-#endif
-
-#if LV_FONT_MONTSERRAT_38
-LV_FONT_DECLARE(lv_font_montserrat_38)
-#endif
-
-#if LV_FONT_MONTSERRAT_40
-LV_FONT_DECLARE(lv_font_montserrat_40)
-#endif
-
-#if LV_FONT_MONTSERRAT_42
-LV_FONT_DECLARE(lv_font_montserrat_42)
-#endif
-
-#if LV_FONT_MONTSERRAT_44
-LV_FONT_DECLARE(lv_font_montserrat_44)
-#endif
-
-#if LV_FONT_MONTSERRAT_46
-LV_FONT_DECLARE(lv_font_montserrat_46)
-#endif
-
-#if LV_FONT_MONTSERRAT_48
-LV_FONT_DECLARE(lv_font_montserrat_48)
-#endif
-
-#if LV_FONT_MONTSERRAT_28_COMPRESSED
-LV_FONT_DECLARE(lv_font_montserrat_28_compressed)
-#endif
-
-#if LV_FONT_DEJAVU_16_PERSIAN_HEBREW
-LV_FONT_DECLARE(lv_font_dejavu_16_persian_hebrew)
-#endif
-
-#if LV_FONT_SIMSUN_14_CJK
-LV_FONT_DECLARE(lv_font_simsun_14_cjk)
-#endif
-
-#if LV_FONT_SIMSUN_16_CJK
-LV_FONT_DECLARE(lv_font_simsun_16_cjk)
-#endif
-
-#if LV_FONT_SOURCE_HAN_SANS_SC_14_CJK
-LV_FONT_DECLARE(lv_font_source_han_sans_sc_14_cjk)
-#endif
-
-#if LV_FONT_SOURCE_HAN_SANS_SC_16_CJK
-LV_FONT_DECLARE(lv_font_source_han_sans_sc_16_cjk)
-#endif
-
-#if LV_FONT_UNSCII_8
-LV_FONT_DECLARE(lv_font_unscii_8)
-#endif
-
-#if LV_FONT_UNSCII_16
-LV_FONT_DECLARE(lv_font_unscii_16)
-#endif
-
/*Declare the custom (user defined) fonts*/
#ifdef LV_FONT_CUSTOM_DECLARE
LV_FONT_CUSTOM_DECLARE

207
internal/native/cgo/lvgl-no-examples.patch
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@ -1,207 +0,0 @@
diff --git a/env_support/cmake/custom.cmake b/env_support/cmake/custom.cmake
index 7da68124b..1fbe2d3de 100644
--- a/env_support/cmake/custom.cmake
+++ b/env_support/cmake/custom.cmake
@@ -15,8 +15,6 @@ get_filename_component(LV_CONF_DIR ${LV_CONF_PATH} DIRECTORY)
option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
file(GLOB_RECURSE SOURCES ${LVGL_ROOT_DIR}/src/*.c)
-file(GLOB_RECURSE EXAMPLE_SOURCES ${LVGL_ROOT_DIR}/examples/*.c)
-file(GLOB_RECURSE DEMO_SOURCES ${LVGL_ROOT_DIR}/demos/*.c)
if (BUILD_SHARED_LIBS)
add_library(lvgl SHARED ${SOURCES})
@@ -25,10 +23,6 @@ else()
endif()
add_library(lvgl::lvgl ALIAS lvgl)
-add_library(lvgl_examples STATIC ${EXAMPLE_SOURCES})
-add_library(lvgl::examples ALIAS lvgl_examples)
-add_library(lvgl_demos STATIC ${DEMO_SOURCES})
-add_library(lvgl::demos ALIAS lvgl_demos)
target_compile_definitions(
lvgl PUBLIC $<$<BOOL:${LV_LVGL_H_INCLUDE_SIMPLE}>:LV_LVGL_H_INCLUDE_SIMPLE>
@@ -37,15 +31,6 @@ target_compile_definitions(
# Include root and optional parent path of LV_CONF_PATH
target_include_directories(lvgl SYSTEM PUBLIC ${LVGL_ROOT_DIR} ${LV_CONF_DIR})
-# Include /examples folder
-target_include_directories(lvgl_examples SYSTEM
- PUBLIC ${LVGL_ROOT_DIR}/examples)
-target_include_directories(lvgl_demos SYSTEM
- PUBLIC ${LVGL_ROOT_DIR}/demos)
-
-target_link_libraries(lvgl_examples PUBLIC lvgl)
-target_link_libraries(lvgl_demos PUBLIC lvgl)
-
# Lbrary and headers can be installed to system using make install
file(GLOB LVGL_PUBLIC_HEADERS "${CMAKE_SOURCE_DIR}/lv_conf.h"
"${CMAKE_SOURCE_DIR}/lvgl.h")
diff --git a/lvgl.mk b/lvgl.mk
index 0ea126daa..300fb6cbe 100644
--- a/lvgl.mk
+++ b/lvgl.mk
@@ -1,5 +1,3 @@
-include $(LVGL_DIR)/$(LVGL_DIR_NAME)/demos/lv_demos.mk
-include $(LVGL_DIR)/$(LVGL_DIR_NAME)/examples/lv_examples.mk
include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/core/lv_core.mk
include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/draw/lv_draw.mk
include $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/extra/lv_extra.mk
diff --git a/src/font/lv_font.h b/src/font/lv_font.h
index e3b670c87..4cceffc45 100644
--- a/src/font/lv_font.h
+++ b/src/font/lv_font.h
@@ -132,114 +132,10 @@ static inline lv_coord_t lv_font_get_line_height(const lv_font_t * font_p)
#define LV_FONT_DECLARE(font_name) extern const lv_font_t font_name;
-#if LV_FONT_MONTSERRAT_8
-LV_FONT_DECLARE(lv_font_montserrat_8)
-#endif
-
-#if LV_FONT_MONTSERRAT_10
-LV_FONT_DECLARE(lv_font_montserrat_10)
-#endif
-
-#if LV_FONT_MONTSERRAT_12
-LV_FONT_DECLARE(lv_font_montserrat_12)
-#endif
-
#if LV_FONT_MONTSERRAT_14
LV_FONT_DECLARE(lv_font_montserrat_14)
#endif
-#if LV_FONT_MONTSERRAT_16
-LV_FONT_DECLARE(lv_font_montserrat_16)
-#endif
-
-#if LV_FONT_MONTSERRAT_18
-LV_FONT_DECLARE(lv_font_montserrat_18)
-#endif
-
-#if LV_FONT_MONTSERRAT_20
-LV_FONT_DECLARE(lv_font_montserrat_20)
-#endif
-
-#if LV_FONT_MONTSERRAT_22
-LV_FONT_DECLARE(lv_font_montserrat_22)
-#endif
-
-#if LV_FONT_MONTSERRAT_24
-LV_FONT_DECLARE(lv_font_montserrat_24)
-#endif
-
-#if LV_FONT_MONTSERRAT_26
-LV_FONT_DECLARE(lv_font_montserrat_26)
-#endif
-
-#if LV_FONT_MONTSERRAT_28
-LV_FONT_DECLARE(lv_font_montserrat_28)
-#endif
-
-#if LV_FONT_MONTSERRAT_30
-LV_FONT_DECLARE(lv_font_montserrat_30)
-#endif
-
-#if LV_FONT_MONTSERRAT_32
-LV_FONT_DECLARE(lv_font_montserrat_32)
-#endif
-
-#if LV_FONT_MONTSERRAT_34
-LV_FONT_DECLARE(lv_font_montserrat_34)
-#endif
-
-#if LV_FONT_MONTSERRAT_36
-LV_FONT_DECLARE(lv_font_montserrat_36)
-#endif
-
-#if LV_FONT_MONTSERRAT_38
-LV_FONT_DECLARE(lv_font_montserrat_38)
-#endif
-
-#if LV_FONT_MONTSERRAT_40
-LV_FONT_DECLARE(lv_font_montserrat_40)
-#endif
-
-#if LV_FONT_MONTSERRAT_42
-LV_FONT_DECLARE(lv_font_montserrat_42)
-#endif
-
-#if LV_FONT_MONTSERRAT_44
-LV_FONT_DECLARE(lv_font_montserrat_44)
-#endif
-
-#if LV_FONT_MONTSERRAT_46
-LV_FONT_DECLARE(lv_font_montserrat_46)
-#endif
-
-#if LV_FONT_MONTSERRAT_48
-LV_FONT_DECLARE(lv_font_montserrat_48)
-#endif
-
-#if LV_FONT_MONTSERRAT_12_SUBPX
-LV_FONT_DECLARE(lv_font_montserrat_12_subpx)
-#endif
-
-#if LV_FONT_MONTSERRAT_28_COMPRESSED
-LV_FONT_DECLARE(lv_font_montserrat_28_compressed)
-#endif
-
-#if LV_FONT_DEJAVU_16_PERSIAN_HEBREW
-LV_FONT_DECLARE(lv_font_dejavu_16_persian_hebrew)
-#endif
-
-#if LV_FONT_SIMSUN_16_CJK
-LV_FONT_DECLARE(lv_font_simsun_16_cjk)
-#endif
-
-#if LV_FONT_UNSCII_8
-LV_FONT_DECLARE(lv_font_unscii_8)
-#endif
-
-#if LV_FONT_UNSCII_16
-LV_FONT_DECLARE(lv_font_unscii_16)
-#endif
-
/*Declare the custom (user defined) fonts*/
#ifdef LV_FONT_CUSTOM_DECLARE
LV_FONT_CUSTOM_DECLARE
diff --git a/src/font/lv_font.mk b/src/font/lv_font.mk
index 2201b73f2..7b2707da4 100644
--- a/src/font/lv_font.mk
+++ b/src/font/lv_font.mk
@@ -2,33 +2,7 @@ CSRCS += lv_font.c
CSRCS += lv_font_fmt_txt.c
CSRCS += lv_font_loader.c
-CSRCS += lv_font_dejavu_16_persian_hebrew.c
-CSRCS += lv_font_montserrat_8.c
-CSRCS += lv_font_montserrat_10.c
-CSRCS += lv_font_montserrat_12.c
-CSRCS += lv_font_montserrat_12_subpx.c
CSRCS += lv_font_montserrat_14.c
-CSRCS += lv_font_montserrat_16.c
-CSRCS += lv_font_montserrat_18.c
-CSRCS += lv_font_montserrat_20.c
-CSRCS += lv_font_montserrat_22.c
-CSRCS += lv_font_montserrat_24.c
-CSRCS += lv_font_montserrat_26.c
-CSRCS += lv_font_montserrat_28.c
-CSRCS += lv_font_montserrat_28_compressed.c
-CSRCS += lv_font_montserrat_30.c
-CSRCS += lv_font_montserrat_32.c
-CSRCS += lv_font_montserrat_34.c
-CSRCS += lv_font_montserrat_36.c
-CSRCS += lv_font_montserrat_38.c
-CSRCS += lv_font_montserrat_40.c
-CSRCS += lv_font_montserrat_42.c
-CSRCS += lv_font_montserrat_44.c
-CSRCS += lv_font_montserrat_46.c
-CSRCS += lv_font_montserrat_48.c
-CSRCS += lv_font_simsun_16_cjk.c
-CSRCS += lv_font_unscii_8.c
-CSRCS += lv_font_unscii_16.c
DEPPATH += --dep-path $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/font
VPATH += :$(LVGL_DIR)/$(LVGL_DIR_NAME)/src/font

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internal/native/lib/libjknative.a
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internal/native/lib/liblvgl.a
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internal/native/lib/liblvgl_thorvg.a
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