remove compile flag for risc-v MCUs which is only valid for xtensa MCUs (#21665)

Author: Jason2866

pio-tools/add_c_flags.py

@@ -5,3 +5,12 @@
 
 # General options that are passed to the C compiler (C only; not C++).
 env.Append(CFLAGS=["-Wno-discarded-qualifiers", "-Wno-implicit-function-declaration", "-Wno-incompatible-pointer-types"])
+
+
+# Remove build flags which are not valid for risc-v
+build_flags = env['BUILD_FLAGS']
+chip = env.get("BOARD_MCU").lower()
+
+if "c" in chip:
+  build_flags.pop(build_flags.index("-mno-target-align"))
+  build_flags.pop(build_flags.index("-mtarget-align"))

pio-tools/strip-floats.py

@@ -1,21 +1,22 @@
 Import('env')
 
-build_flags = " ".join(env.GetProjectOption("build_flags"))
+link_flags = " ".join(env['LINKFLAGS'])
+build_flags = " ".join(env['BUILD_FLAGS'])
 
 #
 # Dump build environment (for debug)
-#print env.Dump()
+#print(env.Dump())
 #
 
-flags = " ".join(env['LINKFLAGS'])
-flags = flags.replace("-u _printf_float", "")
-flags = flags.replace("-u _scanf_float", "")
+link_flags = link_flags.replace("-u _printf_float", "")
+link_flags = link_flags.replace("-u _scanf_float", "")
 if "FIRMWARE_SAFEBOOT" in build_flags:
   # Crash Recorder is not included in safeboot firmware -> remove Linker wrap
-  flags = flags.replace("-Wl,--wrap=panicHandler", "")
-  flags = flags.replace("-Wl,--wrap=xt_unhandled_exception", "")
-newflags = flags.split()
+  link_flags = link_flags.replace("-Wl,--wrap=panicHandler", "")
+  link_flags = link_flags.replace("-Wl,--wrap=xt_unhandled_exception", "")
+
+new_link_flags = link_flags.split()
 
 env.Replace(
-  LINKFLAGS=newflags
+  LINKFLAGS=new_link_flags
 )

platformio_tasmota_cenv_sample.ini

@@ -81,8 +81,6 @@ build_flags                 = ${env:tasmota32_base.build_flags}
 [env:tasmota32c3-bluetooth]
 extends                     = env:tasmota32_base
 board                       = esp32c3
-build_unflags               = ${env:tasmota32_base.build_unflags}
-                              -mtarget-align
 build_flags                 = ${env:tasmota32_base.build_flags}
                               -DFIRMWARE_BLUETOOTH
 ;                              -DUSE_EQ3_ESP32
@@ -111,8 +109,6 @@ lib_ignore                  = Micro-RTSP
 [env:tasmota32c3-mi32]
 extends                     = env:tasmota32_base
 board                       = esp32c3
-build_unflags               = ${env:tasmota32_base.build_unflags}
-                              -mtarget-align
 build_flags                 = ${env:tasmota32_base.build_flags}
                               -DFIRMWARE_BLUETOOTH
                               -DUSE_MI_EXT_GUI
@@ -133,8 +129,6 @@ lib_ignore                  = Micro-RTSP
 [env:tasmota32c6-mi32]
 extends                     = env:tasmota32_base
 board                       = esp32c6
-build_unflags               = ${env:tasmota32_base.build_unflags}
-                              -mtarget-align
 build_flags                 = ${env:tasmota32_base.build_flags}
                               -DFIRMWARE_BLUETOOTH
                               -DUSE_MI_EXT_GUI

platformio_tasmota_env32.ini

@@ -71,8 +71,6 @@ lib_ignore              = ${safeboot_flags.lib_ignore}
 extends                 = env:tasmota32_base
 board                   = esp32c2
 board_build.app_partition_name = safeboot
-build_unflags           = ${env:tasmota32_base.build_unflags}
-                          -mno-target-align
 build_flags             = ${env:tasmota32_base.build_flags}
                           -DFIRMWARE_SAFEBOOT
                           -DOTA_URL='"http://ota.tasmota.com/tasmota32/release/tasmota32c2-safeboot.bin"'
@@ -83,8 +81,6 @@ lib_ignore              = ${safeboot_flags.lib_ignore}
 extends                 = env:tasmota32_base
 board                   = esp32c3
 board_build.app_partition_name = safeboot
-build_unflags           = ${env:tasmota32_base.build_unflags}
-                          -mno-target-align
 build_flags             = ${env:tasmota32_base.build_flags}
                           -DFIRMWARE_SAFEBOOT
                           -DOTA_URL='"http://ota.tasmota.com/tasmota32/release/tasmota32c3-safeboot.bin"'
@@ -95,8 +91,6 @@ lib_ignore              = ${safeboot_flags.lib_ignore}
 extends                 = env:tasmota32_base
 board                   = esp32c3ser
 board_build.app_partition_name = safeboot
-build_unflags           = ${env:tasmota32_base.build_unflags}
-                          -mno-target-align
 build_flags             = ${env:tasmota32_base.build_flags}
                           -DFIRMWARE_SAFEBOOT
                           -DOTA_URL='"http://ota.tasmota.com/tasmota32/release/tasmota32c3ser-safeboot.bin"'
@@ -117,8 +111,6 @@ lib_ignore              = ${safeboot_flags.lib_ignore}
 extends                 = env:tasmota32_base
 board                   = esp32c6
 board_build.app_partition_name = safeboot
-build_unflags           = ${env:tasmota32_base.build_unflags}
-                          -mno-target-align
 build_flags             = ${env:tasmota32_base.build_flags}
                           -DFIRMWARE_SAFEBOOT
                           -DOTA_URL='"http://ota.tasmota.com/tasmota32/release/tasmota32c6-safeboot.bin"'
@@ -129,8 +121,6 @@ lib_ignore              = ${safeboot_flags.lib_ignore}
 extends                 = env:tasmota32_base
 board                   = esp32c6ser
 board_build.app_partition_name = safeboot
-build_unflags           = ${env:tasmota32_base.build_unflags}
-                          -mno-target-align
 build_flags             = ${env:tasmota32_base.build_flags}
                           -DFIRMWARE_SAFEBOOT
                           -DOTA_URL='"http://ota.tasmota.com/tasmota32/release/tasmota32c6ser-safeboot.bin"'
@@ -187,8 +177,6 @@ lib_ignore              = ${env:tasmota32_base.lib_ignore}
 [env:tasmota32c2]
 extends                 = env:tasmota32_base
 board                   = esp32c2
-build_unflags           = ${env:tasmota32_base.build_unflags}
-                          -mno-target-align
 build_flags             = ${env:tasmota32_base.build_flags}
                           -DFIRMWARE_TASMOTA32
                           -DOTA_URL='"http://ota.tasmota.com/tasmota32/release/tasmota32c2.bin"'
@@ -198,8 +186,6 @@ lib_ignore              = ${env:tasmota32_base.lib_ignore}
 [env:tasmota32c3]
 extends                 = env:tasmota32_base
 board                   = esp32c3
-build_unflags           = ${env:tasmota32_base.build_unflags}
-                          -mno-target-align
 build_flags             = ${env:tasmota32_base.build_flags}
                           -DFIRMWARE_TASMOTA32
                           -DOTA_URL='"http://ota.tasmota.com/tasmota32/release/tasmota32c3.bin"'
@@ -209,8 +195,6 @@ lib_ignore              = ${env:tasmota32_base.lib_ignore}
 [env:tasmota32c6]
 extends                 = env:tasmota32_base
 board                   = esp32c6
-build_unflags           = ${env:tasmota32_base.build_unflags}
-                          -mno-target-align
 build_flags             = ${env:tasmota32_base.build_flags}
                           -DFIRMWARE_TASMOTA32
                           -DOTA_URL='"http://ota.tasmota.com/tasmota32/release/tasmota32c6.bin"'