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CMake toolchain file should not set CMAKE_*_FLAGS (IDFGH-5799) #7507

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N3xed opened this issue Sep 1, 2021 · 1 comment
Closed

CMake toolchain file should not set CMAKE_*_FLAGS (IDFGH-5799) #7507

N3xed opened this issue Sep 1, 2021 · 1 comment
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@o-marshmallow
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Resolution: Done Issue is done internally Status: Done Issue is done internally

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@N3xed
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N3xed commented Sep 1, 2021 •
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Environment

  • Development Kit: none
  • Kit version N/A
  • Module or chip used: ESP32-WROOM-32
  • IDF version v4.3 (aswell as all others though not tested)
  • Build System: CMake
  • Compiler version 8.4.0
  • Operating System: Windows
  • (Windows only) environment type: Plain Command Prompt
  • Using an IDE?: Yes (vscode)
  • Power Supply: USB

Problem Description

This is a problem when a third-party tool tries to run cmake with its own flags. Or simply the user sets the flags on the command-line.

For example when trying to build the esp-idf in a rust build script. Here the cmake library used in the build script scrapes some flags (ie. optimization flags, etc.) from the cargo package manager build environment and sets these via -DCMAKE_*_FLAGS. This will then overwrite any flags in the toolchain file.
Because these flags are overwritten this causes the build to fail because required flags are missing (ex. -mlongcalls for esp32).

Expected Behavior

When setting CMAKE_*_FLAGS in the command-line the esp-specific flags should not be overwritten.

Actual Behavior

The esp-specific flags (CMAKE_*_FLAGS in the toolchain file) get overwritten, build fails.

Steps to reproduce

When configuring the cmake project pass -DCMAKE_C_FLAGS= -DCMAKE_CXX_FLAGS= -CMAKE_ASM_FLAGS=.

Debug Logs

Dangerous relocation errors, meaning -mlongcalls is not set.
Note: It is an empty project with only a void app_main() {} function.

Linker output 
cmd.exe /C "cd . && F:\proj\hue-rs2\.sdk\tools\xtensa-esp32-elf\esp-2020r3-8.4.0\xtensa-esp32-elf\bin\xtensa-esp32-elf-gcc.exe   @CMakeFiles\libespidf.elf.rsp -o libespidf.elf  && cd ."
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(cpu_start.c.obj): in function `start_other_core':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/cpu_start.c:195:(.text.start_other_core+0x1f): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(cpu_start.c.obj): in function `Cache_Flush':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_rom/include/esp32/rom/cache.h:142:(.text.start_other_core+0x27): dangerous relocation: call8: call target out of range: Cache_Flush_rom
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(cpu_start.c.obj): in function `Cache_Read_Enable':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_rom/include/esp32/rom/cache.h:174:(.text.start_other_core+0x32): dangerous relocation: call8: call target out of range: Cache_Read_Enable_rom
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(cpu_start.c.obj): in function `start_other_core':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/cpu_start.c:222:(.text.start_other_core+0x8c): dangerous relocation: call8: call target out of range: ets_set_appcpu_boot_addr
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/cpu_start.c:231:(.text.start_other_core+0xcd): dangerous relocation: call8: call target out of range: esp_rom_delay_us
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(cpu_start.c.obj): in function `intr_matrix_clear':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/cpu_start.c:240:(.text.intr_matrix_clear+0xe): dangerous relocation: call8: call target out of range: intr_matrix_set
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/cpu_start.c:242:(.text.intr_matrix_clear+0x17): dangerous relocation: call8: call target out of range: intr_matrix_set
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(startup.c.obj): in function `do_secondary_init':F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/startup.c:348:(.text.do_secondary_init+0x46): dangerous relocation: call8: call target out of range: esp_rom_delay_us
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(startup.c.obj): in function `start_cpu0_default':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/startup.c:356:(.text.start_cpu0_default+0x12): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/startup.c:358:(.text.start_cpu0_default+0x26): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/startup.c:363:(.text.start_cpu0_default+0x3a): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/startup.c:365:(.text.start_cpu0_default+0x4a): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/startup.c:368:(.text.start_cpu0_default+0x5a): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/startup.c:374:(.text.start_cpu0_default+0x6f): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/startup.c:378:(.text.start_cpu0_default+0x86): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/startup.c:379:(.text.start_cpu0_default+0x96): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/heap/libheap.a(heap_caps.c.obj): in function `heap_caps_get_info':
F:/proj/hue-rs2/.sdk/esp-idf/components/heap/heap_caps.c:447:(.text.heap_caps_get_info+0x9): dangerous relocation: call8: call target out of range: memset
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp32/libesp32.a(cache_err_int.c.obj): in function `esp_cache_err_int_init':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp32/cache_err_int.c:48:(.text.esp_cache_err_int_init+0x17): dangerous relocation: call8: call target out of range: intr_matrix_set
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp32/libesp32.a(dport_access.c.obj): in function `dport_access_init_core':F:/proj/hue-rs2/.sdk/esp-idf/components/esp32/dport_access.c:158:(.text.dport_access_init_core+0x1e): dangerous relocation: call8: call target out of range: intr_matrix_set
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_common/libesp_common.a(int_wdt.c.obj): in function `esp_int_wdt_cpu_init':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_common/src/int_wdt.c:126:(.text.esp_int_wdt_cpu_init+0x1e): dangerous relocation: call8: call target out of range: intr_matrix_set
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_timer/libesp_timer.a(esp_timer.c.obj): in function `timer_process_alarm':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_timer/src/esp_timer.c:308:(.text.timer_process_alarm+0x79): dangerous relocation: call8: call target out of range: __udivdi3
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_timer/libesp_timer.a(esp_timer_impl_lac.c.obj): in function `esp_timer_impl_init':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_timer/src/esp_timer_impl_lac.c:230:(.text.esp_timer_impl_init+0x76): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/freertos/libfreertos.a(port.c.obj): in function `esp_startup_start_app_other_cores':
F:/proj/hue-rs2/.sdk/esp-idf/components/freertos/port/xtensa/port.c:521:(.text.esp_startup_start_app_other_cores+0x2e): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/freertos/libfreertos.a(port.c.obj): in function `esp_startup_start_app':
F:/proj/hue-rs2/.sdk/esp-idf/components/freertos/port/xtensa/port.c:540:(.text.esp_startup_start_app+0x1d): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/freertos/port/xtensa/port.c:541:(.text.esp_startup_start_app+0x2a): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(intr_alloc.c.obj): in function `esp_intr_alloc_intrstatus':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/intr_alloc.c:526:(.text.esp_intr_alloc_intrstatus+0x139): dangerous relocation: call8: call target out of range: memset
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/intr_alloc.c:572:(.text.esp_intr_alloc_intrstatus+0x216): dangerous relocation: call8: call target out of range: intr_matrix_set
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/heap/libheap.a(multi_heap.c.obj): in function `multi_heap_assert':
F:/proj/hue-rs2/.sdk/esp-idf/components/heap/multi_heap_platform.h:67:(.text.assert_valid_block+0x2a): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/spi_flash/libspi_flash.a(memspi_host_driver.c.obj): in function `memspi_host_read_id_hs':
F:/proj/hue-rs2/.sdk/esp-idf/components/spi_flash/memspi_host_driver.c:103:(.text.memspi_host_read_id_hs+0x51): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/spi_flash/libspi_flash.a(spi_flash_chip_generic.c.obj): in function `spi_flash_chip_generic_suspend_cmd_conf':
F:/proj/hue-rs2/.sdk/esp-idf/components/spi_flash/spi_flash_chip_generic.c:650:(.text.spi_flash_chip_generic_suspend_cmd_conf+0x15): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/log/liblog.a(log.c.obj): in function `get_uncached_log_level':
F:/proj/hue-rs2/.sdk/esp-idf/components/log/log.c:267:(.text.esp_log_writev+0xba): dangerous relocation: call8: call target out of range: strcmp
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/vfs/libvfs.a(vfs.c.obj): in function `esp_vfs_register_common':
F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs.c:107:(.text.esp_vfs_register_common+0x99): dangerous relocation: call8: call target out of range: strcpy
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs.c:109:(.text.esp_vfs_register_common+0xa9): dangerous relocation: call8: call target out of range: memset
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs.c:111:(.text.esp_vfs_register_common+0xb5): dangerous relocation: call8: call target out of range: memcpy
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/vfs/libvfs.a(vfs.c.obj): in function `get_vfs_for_path':
F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs.c:300:(.text.get_vfs_for_path+0x5): dangerous relocation: call8: call target out of range: strlen
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs.c:308:(.text.get_vfs_for_path+0x33): dangerous relocation: call8: call target out of range: memcmp
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/vfs/libvfs.a(vfs.c.obj): in function `translate_path':
F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs.c:288:(.text.translate_path+0x12): dangerous relocation: call8: call target out of range: strncmp
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs.c:289:(.text.translate_path+0x28): dangerous relocation: call8: call target out of range: strlen
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/vfs/libvfs.a(vfs.c.obj): in function `esp_vfs_register':
F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs.c:125:(.text.esp_vfs_register+0x5): dangerous relocation: call8: call target out of range: strlen
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/vfs/libvfs.a(vfs_uart.c.obj): in function `uart_tcgetattr':
F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs_uart.c:739:(.text.uart_tcgetattr+0x29): dangerous relocation: call8: call target out of range: memset
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/vfs/libvfs.a(vfs_uart.c.obj): in function `uart_access':
F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs_uart.c:329:(.text.uart_access+0x9): dangerous relocation: call8: call target out of range: strcmp
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs_uart.c:329:(.text.uart_access+0x13): dangerous relocation: call8: call target out of range: strcmp
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs_uart.c:329:(.text.uart_access+0x1d): dangerous relocation: call8: call target out of range: strcmp
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/vfs/libvfs.a(vfs_uart.c.obj): in function `uart_open':
F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs_uart.c:141:(.text.uart_open+0x9): dangerous relocation: call8: call target out of range: strcmp
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs_uart.c:143:(.text.uart_open+0x13): dangerous relocation: call8: call target out of range: strcmp
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs_uart.c:145:(.text.uart_open+0x1d): dangerous relocation: call8: call target out of range: strcmp
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/vfs/libvfs.a(vfs_uart.c.obj): in function `uart_fstat':
F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs_uart.c:294:(.text.uart_fstat+0x1d): dangerous relocation: call8: call target out of range: memset
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/vfs/libvfs.a(vfs_uart.c.obj): in function `esp_vfs_dev_uart_register':
F:/proj/hue-rs2/.sdk/esp-idf/components/vfs/vfs_uart.c:975:(.text.esp_vfs_dev_uart_register+0xa): dangerous relocation: call8: call target out of range: memset
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_common/libesp_common.a(task_wdt.c.obj): in function `task_wdt_isr':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_common/src/task_wdt.c:163:(.text.task_wdt_isr+0x3d): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_common/src/task_wdt.c:168:(.text.task_wdt_isr+0x89): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_common/src/task_wdt.c:171:(.text.task_wdt_isr+0x9f): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_common/src/task_wdt.c:173:(.text.task_wdt_isr+0xc1): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_common/src/task_wdt.c:179:(.text.task_wdt_isr+0xe2): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_common/src/task_wdt.c:188:(.text.task_wdt_isr+0x10a): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_common/src/task_wdt.c:192:(.text.task_wdt_isr+0x12a): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/spi_flash/libspi_flash.a(esp_flash_spi_init.c.obj): in function `esp_flash_init_default_chip':
F:/proj/hue-rs2/.sdk/esp-idf/components/spi_flash/esp_flash_spi_init.c:279:(.text.esp_flash_init_default_chip+0x55): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/spi_flash/esp_flash_spi_init.c:284:(.text.esp_flash_init_default_chip+0x7e): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(clk.c.obj): in function `select_rtc_slow_clk':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/soc/esp32/clk.c:101:(.text.select_rtc_slow_clk+0x3e): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(clk.c.obj): in function `esp_clk_init':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/soc/esp32/clk.c:153:(.text.esp_clk_init+0x40): dangerous relocation: call8: call target out of range: __udivdi3
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/soc/esp32/clk.c:173:(.text.esp_clk_init+0x78): dangerous relocation: call8: call target out of range: __udivdi3
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/soc/esp32/clk.c:198:(.text.esp_clk_init+0xd6): dangerous relocation: call8: call target out of range: __udivdi3
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_system/libesp_system.a(clk.c.obj): in function `esp_perip_clk_init':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/soc/esp32/clk.c:219:(.text.esp_perip_clk_init+0x6): dangerous relocation: call8: call target out of range: rtc_get_reset_reason
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/esp_system/port/soc/esp32/clk.c:222:(.text.esp_perip_clk_init+0xd): dangerous relocation: call8: call target out of range: rtc_get_reset_reason
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/heap/libheap.a(heap_caps_init.c.obj): in function `heap_caps_init':
F:/proj/hue-rs2/.sdk/esp-idf/components/heap/heap_caps_init.c:94:(.text.heap_caps_init+0xc5): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/heap/heap_caps_init.c:105:(.text.heap_caps_init+0x125): dangerous relocation: call8: call target out of range: memcpy
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/heap/heap_caps_init.c:117:(.text.heap_caps_init+0x1cb): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/heap/heap_caps_init.c:140:(.text.heap_caps_init+0x255): dangerous relocation: call8: call target out of range: memcpy
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/soc/libsoc.a(memory_layout_utils.c.obj): in function `s_prepare_reserved_regions':
F:/proj/hue-rs2/.sdk/esp-idf/components/soc/memory_layout_utils.c:76:(.text.s_prepare_reserved_regions+0xb): dangerous relocation: call8: call target out of range: memcpy
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: F:/proj/hue-rs2/.sdk/esp-idf/components/soc/memory_layout_utils.c:96:(.text.s_prepare_reserved_regions+0x82): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/soc/libsoc.a(memory_layout_utils.c.obj): in function `soc_get_available_memory_regions':
F:/proj/hue-rs2/.sdk/esp-idf/components/soc/memory_layout_utils.c:111:(.text.soc_get_available_memory_regions+0x1e): dangerous relocation: call8: call target out of range: memcpy
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/esp_common/libesp_common.a(brownout.c.obj): in function `rtc_brownout_isr_handler':
F:/proj/hue-rs2/.sdk/esp-idf/components/esp_common/src/brownout.c:65:(.text.rtc_brownout_isr_handler+0x20): dangerous relocation: call8: call target out of range: esp_rom_printf
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/spi_flash/libspi_flash.a(partition.c.obj): in function `load_partitions':
F:/proj/hue-rs2/.sdk/esp-idf/components/spi_flash/partition.c:206:(.text.load_partitions+0xb9): dangerous relocation: call8: call target out of range: strncpy
f:/proj/hue-rs2/.sdk/tools/xtensa-esp32-elf/esp-2020r3-8.4.0/xtensa-esp32-elf/bin/../lib/gcc/xtensa-esp32-elf/8.4.0/../../../../xtensa-esp32-elf/bin/ld.exe: esp-idf/spi_flash/libspi_flash.a(partition.c.obj): in function `esp_partition_next':
F:/proj/hue-rs2/.sdk/esp-idf/components/spi_flash/partition.c:117:(.text.esp_partition_next+0x45): dangerous relocation: call8: call target out of range: strcmp
collect2.exe: error: ld returned 1 exit status

See also https://stackoverflow.com/a/30217088 which addresses this problem.
@espressif-bot espressif-bot added the Status: Opened Issue is new label Sep 1, 2021
@github-actions github-actions bot changed the title CMake toolchain file should not set CMAKE_*_FLAGS CMake toolchain file should not set CMAKE_*_FLAGS (IDFGH-5799) Sep 1, 2021
@o-marshmallow
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o-marshmallow commented Sep 29, 2021 •
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Hello @N3xed ,
Thank you for reporting this issue, I am going to manage this. I was indeed able to reproduce the issue locally.

@o-marshmallow o-marshmallow self-assigned this Oct 20, 2021
@espressif-bot espressif-bot added Status: In Progress Work is in progress and removed Status: Opened Issue is new labels Oct 21, 2021
@espressif-bot espressif-bot added Resolution: NA Issue resolution is unavailable Status: Done Issue is done internally Resolution: Done Issue is done internally and removed Status: In Progress Work is in progress Resolution: NA Issue resolution is unavailable labels Nov 30, 2021
@igrr igrr mentioned this issue Dec 21, 2021
Closed
espressif-bot pushed a commit that referenced this issue Jul 4, 2022
@o-marshmallow
Build: CMake compiler flags will be set, regardless of the cache status
8e7ee9f 
Defining CMake variables from the command-line or from another CMake project,
such as `-DCMAKE_C_FLAGS= -DCMAKE_CXX_FLAGS=`, caused a link failure as ESP
CMake was unable to set its proper compilation flags.
Additional CMake compiler flags can now be provided by another project.

* Closes #7507
@igrr igrr mentioned this issue Oct 24, 2022
Closed
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