From 42a64f15867a35ccdab44b3b2c09aa15fd6f9ae1 Mon Sep 17 00:00:00 2001
From: Michele Bini <michele.bini@gmail.com>
Date: Sun, 10 Apr 2022 14:38:33 +0200
Subject: Optimized compilation options


diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6f42c9f..e33a9bc 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -806,7 +806,7 @@ link_directories(
 )
 
 
-set(COMMON_FLAGS -MP -MD -mthumb -mabi=aapcs -Wall -Wextra -Warray-bounds=2 -Wformat=2 -Wformat-overflow=2 -Wformat-truncation=2 -Wformat-nonliteral -ftree-vrp -Wno-unused-parameter -Wno-missing-field-initializers -Wno-unknown-pragmas -Wno-expansion-to-defined -g3 -ffunction-sections -fdata-sections -fno-strict-aliasing -fno-builtin --short-enums -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wreturn-type -Werror=return-type -fstack-usage -fno-exceptions -fno-non-call-exceptions)
+set(COMMON_FLAGS -MP -MD -mthumb -mabi=aapcs -Wall -Wextra -Warray-bounds=2 -Wformat=2 -Wformat-overflow=2 -Wformat-truncation=2 -Wformat-nonliteral -ftree-vrp -Wno-unused-parameter -Wno-missing-field-initializers -Wno-unknown-pragmas -Wno-expansion-to-defined -O2 -ffunction-sections -fdata-sections -fno-strict-aliasing -fno-builtin --short-enums -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -Wreturn-type -Werror=return-type -fstack-usage -fno-exceptions -fno-non-call-exceptions)
 add_definitions(-DCONFIG_GPIO_AS_PINRESET)
 add_definitions(-DNIMBLE_CFG_CONTROLLER)
 add_definitions(-DOS_CPUTIME_FREQ)
@@ -828,10 +828,10 @@ add_library(nrf-sdk STATIC ${SDK_SOURCE_FILES})
 target_include_directories(nrf-sdk SYSTEM PUBLIC . ../)
 target_include_directories(nrf-sdk SYSTEM PUBLIC ${INCLUDES_FROM_LIBS})
 target_compile_options(nrf-sdk PRIVATE
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wno-expansion-to-defined -Og -g3>
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Wno-expansion-to-defined -O3>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wno-expansion-to-defined -Og -fno-rtti>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Wno-expansion-to-defined -O3 -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wno-expansion-to-defined -O2>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Wno-expansion-to-defined -O2>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wno-expansion-to-defined -O2 -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Wno-expansion-to-defined -O2 -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
 
@@ -840,9 +840,9 @@ add_library(nimble STATIC ${NIMBLE_SRC} ${TINYCRYPT_SRC})
 target_include_directories(nimble SYSTEM PUBLIC . ../)
 target_include_directories(nimble SYSTEM PUBLIC ${INCLUDES_FROM_LIBS})
 target_compile_options(nimble PRIVATE
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -Wno-unused-but-set-variable -Wno-maybe-uninitialized>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-rtti>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -Wno-unused-but-set-variable -Wno-maybe-uninitialized -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
@@ -852,9 +852,9 @@ add_library(lvgl STATIC ${LVGL_SRC})
 target_include_directories(lvgl SYSTEM PUBLIC . ../)
 target_include_directories(lvgl SYSTEM PUBLIC ${INCLUDES_FROM_LIBS})
 target_compile_options(lvgl PRIVATE
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
@@ -873,7 +873,7 @@ target_compile_definitions(QCBOR PUBLIC QCBOR_DISABLE_UNCOMMON_TAGS)
 target_compile_definitions(QCBOR PUBLIC USEFULBUF_CONFIG_LITTLE_ENDIAN)
 set_target_properties(QCBOR PROPERTIES LINKER_LANGUAGE C)
 target_compile_options(QCBOR PRIVATE
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -O0 -g3>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -O3>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
@@ -883,9 +883,9 @@ add_library(littlefs STATIC ${LITTLEFS_SRC})
 target_include_directories(littlefs SYSTEM PUBLIC . ../)
 target_include_directories(littlefs SYSTEM PUBLIC ${INCLUDES_FROM_LIBS})
 target_compile_options(littlefs PRIVATE
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wno-unused-function -Og -g3>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wno-unused-function -Os>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Wno-unused-function -Os>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wno-unused-function -Og -g3 -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wno-unused-function -Os -fno-rtti>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Wno-unused-function -Os -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
@@ -898,9 +898,9 @@ add_executable(${EXECUTABLE_NAME} ${SOURCE_FILES})
 set_target_properties(${EXECUTABLE_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_FILE_NAME})
 target_link_libraries(${EXECUTABLE_NAME} nimble nrf-sdk lvgl littlefs QCBOR)
 target_compile_options(${EXECUTABLE_NAME} PUBLIC
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wextra -Wformat -Wno-missing-field-initializers -Wno-unused-parameter -Og -g3>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wextra -Wformat -Wno-missing-field-initializers -Wno-unused-parameter -Os>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Wextra -Wformat -Wno-missing-field-initializers -Wno-unused-parameter -Os>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wextra -Wformat -Wno-missing-field-initializers -Wno-unused-parameter -Og -g3 -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Wextra -Wformat -Wno-missing-field-initializers -Wno-unused-parameter -Os -fno-rtti>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Wextra -Wformat -Wno-missing-field-initializers -Wno-unused-parameter -Os -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
@@ -928,9 +928,9 @@ add_executable(${EXECUTABLE_MCUBOOT_NAME} ${SOURCE_FILES})
 target_link_libraries(${EXECUTABLE_MCUBOOT_NAME} nimble nrf-sdk lvgl littlefs QCBOR)
 set_target_properties(${EXECUTABLE_MCUBOOT_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_MCUBOOT_FILE_NAME})
 target_compile_options(${EXECUTABLE_MCUBOOT_NAME} PUBLIC
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
@@ -965,9 +965,9 @@ target_link_libraries(${EXECUTABLE_RECOVERY_NAME} nimble nrf-sdk littlefs QCBOR)
 set_target_properties(${EXECUTABLE_RECOVERY_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_RECOVERY_FILE_NAME})
 target_compile_definitions(${EXECUTABLE_RECOVERY_NAME} PUBLIC "PINETIME_IS_RECOVERY")
 target_compile_options(${EXECUTABLE_RECOVERY_NAME} PUBLIC
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
@@ -995,9 +995,9 @@ target_link_libraries(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} nimble nrf-sdk littlef
 set_target_properties(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_RECOVERY_MCUBOOT_FILE_NAME})
 target_compile_definitions(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} PUBLIC "PINETIME_IS_RECOVERY")
 target_compile_options(${EXECUTABLE_RECOVERY_MCUBOOT_NAME} PUBLIC
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
@@ -1032,9 +1032,9 @@ add_executable(${EXECUTABLE_RECOVERYLOADER_NAME} ${RECOVERYLOADER_SOURCE_FILES})
 target_link_libraries(${EXECUTABLE_RECOVERYLOADER_NAME} nrf-sdk QCBOR)
 set_target_properties(${EXECUTABLE_RECOVERYLOADER_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_RECOVERYLOADER_FILE_NAME})
 target_compile_options(${EXECUTABLE_RECOVERYLOADER_NAME} PUBLIC
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
@@ -1065,9 +1065,9 @@ add_executable(${EXECUTABLE_MCUBOOT_RECOVERYLOADER_NAME} ${RECOVERYLOADER_SOURCE
 target_link_libraries(${EXECUTABLE_MCUBOOT_RECOVERYLOADER_NAME} nrf-sdk QCBOR)
 set_target_properties(${EXECUTABLE_MCUBOOT_RECOVERYLOADER_NAME} PROPERTIES OUTPUT_NAME ${EXECUTABLE_MCUBOOT_RECOVERYLOADER_FILE_NAME})
 target_compile_options(${EXECUTABLE_MCUBOOT_RECOVERYLOADER_NAME} PUBLIC
-        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3>
+        $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os>
         $<$<AND:$<COMPILE_LANGUAGE:C>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os>
-        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Og -g3 -fno-rtti>
+        $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:DEBUG>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CONFIG:RELEASE>>: ${COMMON_FLAGS} -Os -fno-rtti>
         $<$<COMPILE_LANGUAGE:ASM>: -MP -MD -x assembler-with-cpp>
         )
-- 
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