generate compile_commands.json and configure clangd

.clangd

@@ -0,0 +1,2 @@
+CompileFlags:
+    Remove: -mcall-prologues

cmake/AddKeyboard.cmake

@@ -61,7 +61,7 @@ macro(add_keyboard KEYBOARD_FOLDER KEYMAP_FOLDER)
     STAMP_DIR ${CMAKE_SOURCE_DIR}/build/stamp
     LOG_DIR ${CMAKE_SOURCE_DIR}/build/log
     INSTALL_DIR ${CMAKE_SOURCE_DIR}/build/install
-    INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "nothing to install" #copy ${CMAKE_SOURCE_DIR}/build/keyboards/${KEYBOARD_FOLDER}/Build/* ${CMAKE_SOURCE_DIR}/build/keyboards/${KEYBOARD_FOLDER}/Install/
+    INSTALL_COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/build/${TARGET_NAME}.hex ${CMAKE_SOURCE_DIR}/${TARGET_NAME}.hex
     # this seems to work well for all systems so far - not sure if it'd be useful to customize
     CMAKE_GENERATOR "Unix Makefiles"
     CMAKE_ARGS 
@@ -71,6 +71,13 @@ macro(add_keyboard KEYBOARD_FOLDER KEYMAP_FOLDER)
       -DQMK_KEYMAP_FOLDER=${KEYMAP_FOLDER}
       -DTARGET_NAME=${TARGET_NAME}
   )
+  ExternalProject_Add_Step(${TARGET_NAME} copy_compile_commands
+    DEPENDEES configure
+    DEPENDERS build
+    COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_SOURCE_DIR}/build/keyboards/${TARGET_NAME}/compile_commands.json ${CMAKE_SOURCE_DIR}/compile_commands.json
+    # BYPRODUCTS ${CMAKE_SOURCE_DIR}/compile_commands.json
+    ALWAYS TRUE
+  )
   
 # file(APPEND "${CMAKE_SOURCE_DIR}/build/targets" "${TARGET_NAME}|${KEYBOARD_NAME} with ${KEYMAP_FOLDER}|${KEYBOARD_FOLDER}|Made by: ${MANUFACTURER}\n")
 endmacro(add_keyboard)

cmake/toolchains/arm-none-eabi.cmake

@@ -1,3 +1,5 @@
+set(CMAKE_EXPORT_COMPILE_COMMANDS on)
+
 include(ResolveToolchain)
 
 set(QMK_TOOLCHAIN "arm-none-eabi")

cmake/toolchains/avr.cmake

@@ -4,6 +4,8 @@
 # @author Natesh Narain
 # @since Feb 06 2016
 
+set(CMAKE_EXPORT_COMPILE_COMMANDS on)
+
 include(ResolveToolchain)
 
 set(QMK_TOOLCHAIN "avr")
@@ -127,6 +129,11 @@ macro(add_qmk_executable target_name)
     #         LINK_FLAGS    "-mmcu=${QMK_MCU} ${LINK_OPTIONS}"
     # )
 
+    # add_custom_target(compileOptions
+    #     COMMAND cmake -P ${CMAKE_SOURCE_DIR}/cmake/WriteCompileOptions.cmake
+    #     COMMENT "Writing compile_flags.txt"
+    # )
+
     # generate the lst file
     add_custom_command(
         OUTPUT ${lst_file}
@@ -161,14 +168,12 @@ macro(add_qmk_executable target_name)
 
     # build the intel hex file for the device
     add_custom_target(${target_name} ALL
-        DEPENDS ${hex_file} ${lst_file} "print-size-${elf_file}" "print-size-${hex_file}" copy_hex
+        DEPENDS ${hex_file} ${lst_file} "print-size-${elf_file}" "print-size-${hex_file}" copy_hex 
     )
 
     set_target_properties(${target_name}
         PROPERTIES OUTPUT_NAME ${elf_file}
     )
 
-    # list(JOIN COMPILE_OPTIONS "\n" COMPILE_FLAGS_TXT)
-    # file(WRITE ${CMAKE_SOURCE_DIR}/compile_flags.txt ${COMPILE_FLAGS_TXT})
 
 endmacro(add_qmk_executable)

compile_flags.txt

@@ -1,61 +0,0 @@
--std=c11
--Iquantum
--Itoolchains\avr-gcc-12.1.0-x64-windows\avr\include
--DARCH=ARCH_AVR8
--DBACKLIGHT_ENABLE
--DBACKLIGHT_PIN=B7
--DBOARD=BOARD_NONE
--DDEVICE_VER=0x3
--DFIXED_CONTROL_ENDPOINT_SIZE=8
--DFIXED_NUM_CONFIGURATIONS=1
--DF_CPU=16000000
--DF_USB=16000000UL
--DKEYMAP_C=\\\"keyboards/mntre/keymaps/default/keymap.c\\\"
--DLTO_ENABLE
--DMANUFACTURER=\\\"OLKB\\\"
--DMATRIX_COLS=15
--DMATRIX_ROWS=6
--DOLED_ENABLE
--DPRODUCT=\\\"MNTRE\\\"
--DPRODUCT_ID=0xAE01
--DPROTOCOL_LUFA
--DQMK_KEYBOARD_H="mntre.h"
--DUSB_DEVICE_ONLY
--DUSE_FLASH_DESCRIPTORS
--DUSE_STATIC_OPTIONS=\"(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)\"
--DVENDOR_ID=0x03A8
--D__AVR_ATmega32U4__
--Ikeyboards/mntre
--Iquantum
--Iquantum/logging
--Iquantum/keymap_extras
--Iquantum/process_keycode
--Iquantum/sequencer
--Iquantum/bootmagic
--Iplatforms
--Iplatforms/avr
--Itmk_core/protocol
--Ilib/lufa
--Itmk_core/protocol/lufa
--Idrivers
--Idrivers/oled
--Iplatforms/avr/drivers
--Iquantum/backlight
--std=gnu11
--flto
--Os
--Wall
--Wstrict-prototypes
--fcommon
---param=min-pagesize=0
--funsigned-char
--funsigned-bitfields
--ffunction-sections
--fdata-sections
--fpack-struct
--fshort-enums
--fno-builtin-printf
--fno-inline-small-functions
--fno-strict-aliasing
--include keyboards/mntre/config.h
--mmcu=atmega32u4