Merge branch 'fix/test_app_trim_builds' into 'master'

fix(test_apps): Trim builds of component test apps See merge request espressif/esp-idf!25789
espressif · Sep 20, 2023 · d9a9a4a · d9a9a4a
2 parents 1f40ad4 + 287bdc5
commit d9a9a4a
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Showing 43 changed files with 130 additions and 20 deletions.
diff --git a/components/driver/test_apps/legacy_i2c_driver/CMakeLists.txt b/components/driver/test_apps/legacy_i2c_driver/CMakeLists.txt
@@ -5,6 +5,10 @@ set(EXTRA_COMPONENT_DIRS
     "$ENV{IDF_PATH}/tools/unit-test-app/components"
 )
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on esp_pm
+# as we set CONFIG_PM_... options.
+set(COMPONENTS main esp_pm)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(legacy_i2c_test)
 

diff --git a/components/driver/test_apps/legacy_i2c_driver/main/CMakeLists.txt b/components/driver/test_apps/legacy_i2c_driver/main/CMakeLists.txt
@@ -3,4 +3,5 @@ set(srcs "test_app_main.c"
     )
 
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity test_utils driver
                        WHOLE_ARCHIVE)
diff --git a/components/driver/test_apps/legacy_i2c_driver/sdkconfig.ci.defaults b/components/driver/test_apps/legacy_i2c_driver/sdkconfig.ci.defaults
@@ -1,2 +0,0 @@
-CONFIG_FREERTOS_HZ=1000
-CONFIG_ESP_TASK_WDT=n

diff --git a/components/esp_hw_support/test_apps/dma/CMakeLists.txt b/components/esp_hw_support/test_apps/dma/CMakeLists.txt
@@ -2,4 +2,9 @@
 cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on esp_psram
+# as we set CONFIG_SPIRAM_... options.
+set(COMPONENTS main esp_psram)
+
 project(dma_test)
diff --git a/components/esp_hw_support/test_apps/dma/main/CMakeLists.txt b/components/esp_hw_support/test_apps/dma/main/CMakeLists.txt
@@ -11,4 +11,5 @@ endif()
 # In order for the cases defined by `TEST_CASE` to be linked into the final elf,
 # the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity
                        WHOLE_ARCHIVE)
diff --git a/components/esp_hw_support/test_apps/etm/CMakeLists.txt b/components/esp_hw_support/test_apps/etm/CMakeLists.txt
@@ -2,4 +2,9 @@
 cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on esp_pm
+# as we set CONFIG_PM_... options.
+set(COMPONENTS main esp_pm)
+
 project(etm_test)
diff --git a/components/esp_hw_support/test_apps/etm/main/CMakeLists.txt b/components/esp_hw_support/test_apps/etm/main/CMakeLists.txt
@@ -24,4 +24,5 @@ endif()
 # In order for the cases defined by `TEST_CASE` to be linked into the final elf,
 # the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity esp_timer driver
                        WHOLE_ARCHIVE)
diff --git a/components/esp_hw_support/test_apps/mspi/CMakeLists.txt b/components/esp_hw_support/test_apps/mspi/CMakeLists.txt
@@ -2,4 +2,9 @@
 cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on esp_psram
+# as we set CONFIG_SPIRAM_... options.
+set(COMPONENTS main esp_psram)
+
 project(mspi_test_app)
diff --git a/components/esp_hw_support/test_apps/mspi/main/CMakeLists.txt b/components/esp_hw_support/test_apps/mspi/main/CMakeLists.txt
@@ -7,4 +7,5 @@ set(srcs
 # In order for the cases defined by `TEST_CASE` to be linked into the final elf,
 # the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity esp_timer spi_flash esp_partition
                        WHOLE_ARCHIVE)
diff --git a/components/esp_hw_support/test_apps/mspi_psram_with_dfs/CMakeLists.txt b/components/esp_hw_support/test_apps/mspi_psram_with_dfs/CMakeLists.txt
@@ -2,4 +2,12 @@
 cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+list(APPEND EXTRA_COMPONENT_DIRS
+    "$ENV{IDF_PATH}/tools/unit-test-app/components")    # For test_utils component
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on
+# esptool_py and esp_psram as we set CONFIG_ESPTOOLPY_... and CONFIG_SPIRAM_... options.
+set(COMPONENTS main esptool_py esp_psram)
+
 project(mspi_psram_test_app)
diff --git a/components/esp_hw_support/test_apps/mspi_psram_with_dfs/main/CMakeLists.txt b/components/esp_hw_support/test_apps/mspi_psram_with_dfs/main/CMakeLists.txt
@@ -6,4 +6,5 @@ set(srcs
 # In order for the cases defined by `TEST_CASE` to be linked into the final elf,
 # the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity test_utils spi_flash esp_partition esp_pm
                        WHOLE_ARCHIVE)
diff --git a/components/esp_lcd/test_apps/i2c_lcd_legacy/CMakeLists.txt b/components/esp_lcd/test_apps/i2c_lcd_legacy/CMakeLists.txt
@@ -2,4 +2,8 @@
 cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 project(legacy_i2c_lcd_panel_test)
diff --git a/components/esp_lcd/test_apps/i2c_lcd_legacy/main/CMakeLists.txt b/components/esp_lcd/test_apps/i2c_lcd_legacy/main/CMakeLists.txt
@@ -4,4 +4,5 @@ set(srcs "test_app_main.c"
 # In order for the cases defined by `TEST_CASE` to be linked into the final elf,
 # the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity driver esp_lcd
                        WHOLE_ARCHIVE)
diff --git a/components/esp_mm/test_apps/mm/CMakeLists.txt b/components/esp_mm/test_apps/mm/CMakeLists.txt
@@ -3,6 +3,10 @@ cmake_minimum_required(VERSION 3.16)
 
 set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/components/esp_mm/test_apps/components")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on esp_psram
+# as we set CONFIG_SPIRAM_... options.
+set(COMPONENTS main esp_psram)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(mm_test)
 

diff --git a/components/esp_mm/test_apps/mmap_hw/CMakeLists.txt b/components/esp_mm/test_apps/mmap_hw/CMakeLists.txt
@@ -3,6 +3,9 @@ cmake_minimum_required(VERSION 3.16)
 
 set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/unit-test-app/components")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(mmap_hw_test)
 

diff --git a/components/esp_netif/test_apps/test_app_esp_netif/CMakeLists.txt b/components/esp_netif/test_apps/test_app_esp_netif/CMakeLists.txt
@@ -3,6 +3,9 @@ cmake_minimum_required(VERSION 3.16)
 
 set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/unit-test-app/components")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(esp_netif_test)
 

diff --git a/components/esp_netif/test_apps/test_app_vfs_l2tap/CMakeLists.txt b/components/esp_netif/test_apps/test_app_vfs_l2tap/CMakeLists.txt
@@ -3,6 +3,9 @@ cmake_minimum_required(VERSION 3.16)
 
 set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/unit-test-app/components")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(esp_vfs_l2tap_test)
 

diff --git a/components/esp_psram/test_apps/psram/CMakeLists.txt b/components/esp_psram/test_apps/psram/CMakeLists.txt
@@ -2,4 +2,8 @@
 cmake_minimum_required(VERSION 3.5)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 project(psram_test)
diff --git a/components/esp_psram/test_apps/psram/main/CMakeLists.txt b/components/esp_psram/test_apps/psram/main/CMakeLists.txt
@@ -10,4 +10,5 @@ endif()
 # In order for the cases defined by `TEST_CASE` to be linked into the final elf,
 # the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity esp_psram spi_flash driver esp_partition
                        WHOLE_ARCHIVE)
diff --git a/components/esp_wifi/test_apps/wifi_connect/CMakeLists.txt b/components/esp_wifi/test_apps/wifi_connect/CMakeLists.txt
@@ -3,6 +3,9 @@ cmake_minimum_required(VERSION 3.16)
 
 set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/unit-test-app/components")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 
 if($ENV{CI_PIPELINE_ID})

diff --git a/components/esp_wifi/test_apps/wifi_function/CMakeLists.txt b/components/esp_wifi/test_apps/wifi_function/CMakeLists.txt
@@ -3,5 +3,8 @@ cmake_minimum_required(VERSION 3.16)
 
 set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/unit-test-app/components")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(wifi_test)
diff --git a/components/freertos/test_apps/freertos/CMakeLists.txt b/components/freertos/test_apps/freertos/CMakeLists.txt
@@ -1,21 +1,21 @@
 # This is the project CMakeLists.txt file for the test subproject
 cmake_minimum_required(VERSION 3.16)
 
-# FreeRTOS tests of different types (e.g., kernel, port, performance etc.)are
-# split into different directores in the test app's root directory. Each test
-# type is treated as separate component
-set(test_types
-    "kernel"
-    "misc"
-    "performance"
-    "port")
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 
-list(APPEND EXTRA_COMPONENT_DIRS
-     ${test_types}  # Add each test type as a component
-     "$ENV{IDF_PATH}/tools/unit-test-app/components")   # For test_utils component
+# Set extra component directories for
+#   - test_utils component
+#   - the different test types (e.g., kernel, port, performance, ...) that are organized as components
+set(EXTRA_COMPONENT_DIRS
+    "$ENV{IDF_PATH}/tools/unit-test-app/components"
+    "./kernel"
+    "./misc"
+    "./performance"
+    "./port"
+)
 
-#"Trim" the build. Include the minimal set of components, main, and anything it depends on.
-set(COMPONENTS main esp_psram ${test_types})
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on esp_psram
+# as we enable CONFIG_SPIRAM_... options.
+set(COMPONENTS main esp_psram)
 
-include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(freertos_test)
diff --git a/components/freertos/test_apps/freertos/main/CMakeLists.txt b/components/freertos/test_apps/freertos/main/CMakeLists.txt
@@ -1,2 +1,3 @@
 idf_component_register(SRCS "test_freertos_main.c"
-                       PRIV_REQUIRES unity test_utils driver)
+                       # Pull in the components containing each type of FreeRTOS test
+                       PRIV_REQUIRES unity test_utils kernel misc performance port)
diff --git a/components/freertos/test_apps/freertos/misc/CMakeLists.txt b/components/freertos/test_apps/freertos/misc/CMakeLists.txt
@@ -3,5 +3,5 @@
 # In order for the cases defined by `TEST_CASE` in "misc" to be linked into
 # the final elf, the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRC_DIRS "."
-                       PRIV_REQUIRES test_utils
+                       PRIV_REQUIRES unity test_utils
                        WHOLE_ARCHIVE)
diff --git a/components/freertos/test_apps/freertos/performance/CMakeLists.txt b/components/freertos/test_apps/freertos/performance/CMakeLists.txt
@@ -3,5 +3,5 @@
 # In order for the cases defined by `TEST_CASE` in "performance" to be linked into
 # the final elf, the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRC_DIRS "."
-                       PRIV_REQUIRES test_utils
+                       PRIV_REQUIRES unity test_utils
                        WHOLE_ARCHIVE)
diff --git a/components/freertos/test_apps/freertos/port/CMakeLists.txt b/components/freertos/test_apps/freertos/port/CMakeLists.txt
@@ -3,5 +3,5 @@
 # In order for the cases defined by `TEST_CASE` in "port" to be linked into
 # the final elf, the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRC_DIRS "."
-                       PRIV_REQUIRES test_utils
+                       PRIV_REQUIRES unity test_utils
                        WHOLE_ARCHIVE)
diff --git a/components/ieee802154/test_apps/test_ieee802154/CMakeLists.txt b/components/ieee802154/test_apps/test_ieee802154/CMakeLists.txt
@@ -2,4 +2,8 @@
 cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 project(test_ieee802154)
diff --git a/components/ieee802154/test_apps/test_ieee802154/main/CMakeLists.txt b/components/ieee802154/test_apps/test_ieee802154/main/CMakeLists.txt
@@ -8,4 +8,5 @@ set(include "."
 # the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRCS ${srcs}
                        INCLUDE_DIRS include
+                       PRIV_REQUIRES ieee802154 console fatfs nvs_flash esp_phy
                        WHOLE_ARCHIVE)
diff --git a/components/spi_flash/test_apps/esp_flash/CMakeLists.txt b/components/spi_flash/test_apps/esp_flash/CMakeLists.txt
@@ -3,6 +3,10 @@ cmake_minimum_required(VERSION 3.16)
 
 set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/unit-test-app/components")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on
+# esptool_py as we set CONFIG_ESPTOOLPY_... options.
+set(COMPONENTS main esptool_py)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 
 project(test_esp_flash_drv)
diff --git a/components/spi_flash/test_apps/esp_flash/main/CMakeLists.txt b/components/spi_flash/test_apps/esp_flash/main/CMakeLists.txt
@@ -5,4 +5,5 @@ set(srcs "test_app_main.c"
 # In order for the cases defined by `TEST_CASE` to be linked into the final elf,
 # the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity test_utils spi_flash esp_timer driver bootloader_support
                        WHOLE_ARCHIVE)
diff --git a/components/spi_flash/test_apps/esp_flash_stress/CMakeLists.txt b/components/spi_flash/test_apps/esp_flash_stress/CMakeLists.txt
@@ -3,6 +3,10 @@ cmake_minimum_required(VERSION 3.16)
 
 set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/components/spi_flash/test_apps/components")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on esp_psram
+# and esptool_py as we set CONFIG_SPIRAM_... and CONFIG_ESPTOOLPY_... options.
+set(COMPONENTS main esp_psram esptool_py)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 
 project(test_esp_flash_stress)
diff --git a/components/spi_flash/test_apps/flash_encryption/CMakeLists.txt b/components/spi_flash/test_apps/flash_encryption/CMakeLists.txt
@@ -2,4 +2,9 @@
 cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on esp_psram
+# and esptool_py as we set CONFIG_SPIRAM_... and CONFIG_ESPTOOLPY_... options.
+set(COMPONENTS main esp_psram esptool_py)
+
 project(test_flash_encryption)
diff --git a/components/spi_flash/test_apps/flash_encryption/main/CMakeLists.txt b/components/spi_flash/test_apps/flash_encryption/main/CMakeLists.txt
@@ -2,5 +2,6 @@ set(srcs "test_app_main.c"
          "test_flash_encryption.c")
 
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity spi_flash bootloader_support esp_partition
                        WHOLE_ARCHIVE)
 target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")
diff --git a/components/spi_flash/test_apps/flash_mmap/CMakeLists.txt b/components/spi_flash/test_apps/flash_mmap/CMakeLists.txt
@@ -3,5 +3,9 @@ cmake_minimum_required(VERSION 3.16)
 
 set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/unit-test-app/components")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on esp_psram
+# as we set CONFIG_SPIRAM_... options.
+set(COMPONENTS main esp_psram)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(test_flash_mmap)
diff --git a/components/spi_flash/test_apps/flash_mmap/main/CMakeLists.txt b/components/spi_flash/test_apps/flash_mmap/main/CMakeLists.txt
@@ -4,4 +4,5 @@ set(srcs "test_app_main.c"
 # In order for the cases defined by `TEST_CASE` to be linked into the final elf,
 # the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity test_utils spi_flash bootloader_support esp_partition
                        WHOLE_ARCHIVE)
diff --git a/components/spi_flash/test_apps/flash_suspend/CMakeLists.txt b/components/spi_flash/test_apps/flash_suspend/CMakeLists.txt
@@ -3,5 +3,8 @@ cmake_minimum_required(VERSION 3.16)
 
 set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/unit-test-app/components")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(test_flash_suspend)
diff --git a/components/spi_flash/test_apps/flash_suspend/main/CMakeLists.txt b/components/spi_flash/test_apps/flash_suspend/main/CMakeLists.txt
@@ -4,4 +4,5 @@ set(srcs "test_app_main.c"
 # In order for the cases defined by `TEST_CASE` to be linked into the final elf,
 # the component can be registered as WHOLE_ARCHIVE
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity test_utils spi_flash driver esp_partition
                        WHOLE_ARCHIVE)
diff --git a/components/spi_flash/test_apps/mspi_test/CMakeLists.txt b/components/spi_flash/test_apps/mspi_test/CMakeLists.txt
@@ -1,6 +1,10 @@
 # This is the project CMakeLists.txt file for the test subproject
 cmake_minimum_required(VERSION 3.16)
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on. We also depend on esp_psram
+# as we set CONFIG_SPIRAM_... options.
+set(COMPONENTS main esp_psram)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(mspi_test)
 

diff --git a/components/spi_flash/test_apps/mspi_test/main/CMakeLists.txt b/components/spi_flash/test_apps/mspi_test/main/CMakeLists.txt
@@ -5,4 +5,5 @@ set(srcs "test_cache_disabled.c"
          "test_app_main.c")
 
 idf_component_register(SRCS ${srcs}
+                       PRIV_REQUIRES unity spi_flash driver esp_partition bootloader_support app_update
                        WHOLE_ARCHIVE)
diff --git a/components/ulp/test_apps/lp_core/CMakeLists.txt b/components/ulp/test_apps/lp_core/CMakeLists.txt
@@ -7,5 +7,8 @@ set(EXTRA_COMPONENT_DIRS
     "$ENV{IDF_PATH}/tools/unit-test-app/components"
 )
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(lp_core_test)
diff --git a/components/ulp/test_apps/ulp_riscv/CMakeLists.txt b/components/ulp/test_apps/ulp_riscv/CMakeLists.txt
@@ -3,5 +3,8 @@ cmake_minimum_required(VERSION 3.16)
 
 list(PREPEND SDKCONFIG_DEFAULTS "$ENV{IDF_PATH}/tools/test_apps/configs/sdkconfig.debug_helpers" "sdkconfig.defaults")
 
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(ulp_riscv_test)
diff --git a/components/usb/test_apps/hcd/CMakeLists.txt b/components/usb/test_apps/hcd/CMakeLists.txt
@@ -2,5 +2,10 @@
 cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
 set(EXTRA_COMPONENT_DIRS "../common")
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 project(test_app_usb_host)
diff --git a/components/usb/test_apps/usb_host/CMakeLists.txt b/components/usb/test_apps/usb_host/CMakeLists.txt
@@ -2,5 +2,10 @@
 cmake_minimum_required(VERSION 3.16)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
 set(EXTRA_COMPONENT_DIRS "../common")
+
+# "Trim" the build. Include the minimal set of components, main, and anything it depends on.
+set(COMPONENTS main)
+
 project(test_app_usb_host)