Cannot build anything with tinygo on windows

[RodargDev]

I have followed all steps given in this installation guide (https://tinygo.org/getting-started/install/windows/)

I currently have go and tinygo installed through scoop with versions:
go version go1.23.2 windows/amd64
tinygo version 0.34.0 windows/amd64 (using go version go1.23.2 and LLVM version 18.1.2)

I have a small program with the following code:

package main

import "fmt"

func main() {
	fmt.Println("Hello, World!")
}

But when i try to use tinygo to build this for the pico (Or any other targer) i get a huge stacktrace with a lot of gibberish characters. Only the start and end of the stacktrace give some context into whats going on.

The command i use
tinygo flash -target=pico .\main.go

The output i get in console

PS C:\Projects\WaterLevelSensor> tinygo flash -target=pico .\main.go
error: unable to make temporary file: No such file or directory
# 1 "C:\\Users\\info\\scoop\\apps\\tinygo\\current\\lib\\compiler-rt-builtins\\arm\\aeabi_cdcmp.S"
error: unable to make temporary file: No such file or directory
# 1 "<builerror: unable to make temporary file: No such file or directory
t-in>" 1
# 1 "<built-in>" 3
# 1 "C:\\Users\\info\\scoop\\apps\\tinygo\\current\\lib\\compiler-rt-builtins\\arm\\aeabi_cfcmp# 1# 377 "<built-in>" 3
# 1 "<command line>" 1
 "C:\.S"
\Users\\info\\scoop\\apps\\tinygo\\curren# error: unable to make temporary file: No such file or directory
t\\# 1 "<built-in>" 1
lib\\compile# 1 "<built-in>" 31 "<buir
lt-in>" 2
-# 1 rt-built"C:\\User# 377 "<built-in>" 3
# s\\# 1 "C:\\Users\\info\\scoop\\apps\\tininfo\\scygo\\cins\\arm\\aourrent\\lib\\compieabi_dcmp.S"
o# 1 1 ler-rp"<bt-builtiuierror: unable to make temporary file: No such file or directoryns\\arl"<com
\\ammt-and line>" 1
i\\aeabi_#n>" 1
# ppfc1 "<s\\tinygo\\current\\lib\\com 1 "<bmbpiler-uilt-in>"p.S"
uilt-in>" 3
 2
# 1# 1 "C:\\Users\\infrt-builtins\\ar##o\\scoop\\apps\   "<1 "C:\\Users\\info\\scoop\\apps\\tinygo\\current\\l\t377 "ib\built-in>" 1
<built-inygo\\current\i\com\lib\\com# 1 piln>" 3piler-er-m\\aeabi_cdcmp.S"rt-r" 2
built








t-ins\builtins\\arm# \\<#error: error: 1error: unable to make temporary file: No such file or directory
arm\unable to make temporary file: No such file or directory
\unable to make temporary file: No such file or directory
 "<co 1 "C:\\Usersaeabi_cfcmbuilt-in>" 3
m#p\aeabi_id # 377.S" 2
1 "C:\#ivmodmand line>"# 1 "C:\\User 1

Right here a lot of gibberish characters, and then the final part looks like this

 
.global literals
literals:
.ltorg

.end
# 17 "C:\\Users\\info\\scoop\\apps\\tinygo\\current\\targets\\pico-boot-stage2.S" 2

failed to build C:\Users\info\scoop\apps\tinygo\current\src\device\arm\cortexm.S: exit status 1

Ive tried resolving it and have been looking around but it appears i cant find anyone with the same problem, it looks like its somewhat permission based but when running this through admin terminal it still wont work.

[aykevl]

My first guess would be maybe something related to this PR? #4513

One thing that would be useful to know is if you can create an empty file empty.S (name doesn't matter) and then run:

tinygo clang -c -o empty.o empty.S

This should work, though I expect it will fail in your case. That would be an interesting datapoint.

[soypat]

@aykevl Atendee ran into this at Gophercon and your command worked on their PC. They are still getting the above error.

[pieterlouw]

Hi,

This is the error @soypat mentioned above.

Info: tinygo version 0.34.0 windows/amd64 (using go version go1.22.6 and LLVM version 18.1.2)

PS C:\play\Go\badger2040> tinygo flash -target badger2040-w ./tutorial/basics/step0
error: unable to make temporary file: No such file or directory
# 1 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cdcmp.S"
# 1 "<built-in>" 1
# 1 "<built-in>" 3
# 377 "<built-in>" 3
# 1 "<command line>" 1
# 1 "<built-in>" 2
# 1 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cdcmp.S" 2








# 1 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm/../assembly.h" 1
# 10 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cdcmp.S" 2
# 22 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cdcmp.S"
        .syntax unified
        .p2align 2
.thumb ; ; .globl __aeabi_cdcmpeq ; .type __aeabi_cdcmpeq,%function ; .thumb_func ; __aeabi_cdcmpeq:
        push {r0-r3, lr}
        bl __aeabi_cdcmpeq_check_nan
        cmp r0, #1

        beq 1f

        mov r0, sp
        ldm r0, {r0-r3}
        bl __aeabi_cdcmple
        pop {r0-r3, pc}
1:

        movs r0, #0xF
        lsls r0, r0, #31
        pop {r0-r3, pc}
# 57 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cdcmp.S"
.size __aeabi_cdcmpeq, . - __aeabi_cdcmpeq
# 70 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cdcmp.S"
        .syntax unified
        .p2align 2
.thumb ; ; .globl __aeabi_cdcmple ; .type __aeabi_cdcmple,%function ; .thumb_func ; __aeabi_cdcmple:


        push {r0-r3, lr}

        bl __aeabi_dcmplt
        cmp r0, #1

        bne 1f

        movs r0, #1
        lsls r0, r0, #1
        pop {r0-r3, pc}
1:
        mov r0, sp
        ldm r0, {r0-r3}error: unable to make temporary file: No such file or directory

        bl __aeabi_dcmpeq
        cmp r0, #1
        bne 2f

        movs r0, ## 12
    "C:\\t i   lslsny r0, r0go\\lib\\compiler-rt-builtins\\arm\\aeabi_dcmp.S"
, ## 1 "<built-in>" 1
31
  #      pop {r0-r3, pc}
2:

        movs1 "<built-in>" 3
 r0, #0xF
        lsls r0, r0, #31
        pop {r0-r3, pc}
# 117 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cdcmp.S"
# 377 "<built-in>" 3
# .1 "<command line>" 1
# 1 "<built-in>" 2
# size __aeabi_cdcmple1 "C:\\ti,nygo\\lib\\compile r-rt-builtins\\arm\\aeabi_dcmp.S" 2
. - __aeabi_cdcmple





        .syntax unified
        .p2align 2
.thumb ; ; .globl __aeabi_cdrcmple ; .type __aeabi_cdrcmple,%







function ;# 1 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm/ .thumb_func ; __aeabi_cdrcmple:

        mov ip, r0
        mov r0, r2
  error: ..unable to make temporary file: No such file or directory
      mov r2, ip


      /assembly.h" 1
# 10 "C:\\tinygo\\lib\\compil  mov ip, r1
        mov r1, r3
     er-rt-builtins\\arm\\aeabi_dcmp.S" 2
# 1 "C:mov# 44 "C:\\tinygo\\lib\\compiler-rt-builtins\\a\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cfcmp.S"
rm\\aeabi_dcmp.S"
# 1 "<built-inerror: .syntax>" 1
# 1 "<built-in>" 3
unable to make temporary file: No such file or directory
 unified ; .# 377 "<built-in>" 3 p2align 2 ;
# 1 "<command line>" 1
# 1 "<built-in>" 2
r3, ip

        b __aeabi_cdcmple
.size __aeabi_cdrcmple, . - __aeabi_cdrcmple##
 1 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_fcmp.S"
 1 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cfcmp.S" 2
.thumb ; ; .globl







# 1#   __aeabi_dcmpeq ; .type __aeabi_dcmpeq,"1%function C ":\\tinygo\\lib\\compiler-rt-builtins\\arm; .thumb_func ; __aeabi_dcmpeq</built-in>" 1
# 1 "<built-in>" 3
: push { r4# 377 "<buil, lr }../assembly.h" 1
 ; ; bl# 10 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cfcmp t-in>" 3
# 1 "<command __eqdf2.S" 2
line>"# 22 "C:\\tinygo\\lib\\  1compiler-rt-builtins\\
# 1 "<built-in>" 2
#arm\\aeabi_cfcmp.S 1 "C;"
       :\\tinygo\\lib\\c  .cmpompiler-rt-builtins\\arm\\aeabi_fc r0, #0 ;mp.S" 2
syntax unified








#beq  1 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm/../assembly.h" 1
 1f       .#;p2align 2
.thumb movs r0, #0 ; pop { r4  10 ";,C:\\tinygo\\lib\\compiler-rt-builtinerror:  ;s\\arm\\aeunable to make temporary file: No such file or directory  .   
pc } globlabi_fcmp.S" 2
;#   1: ; movs r0, #1 ; pop { r4, pc } ;__aeabi_cfcmpeq44  ;.size __aeabi_dcmpeq, . - "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_fcmp.S"
 ..syntax unified ; .p2align 2 ;type .thumb ; # 1 "C:\\tinygo;  \\l__aeabi_cfcmpeq __aeabi_dcmpeqib.
.syntaxglobl __aeabi_fcmpeq ;\ , .type __aeabi_fcmpequnified%\compiler-rt-builtins\\arm\\aeabi_idivmod.S"
function, # 1 "<built-; .p2align 2 ;%i  functionn>" 1
. ;# 1 "<bui .thumb_func ;;lt-in>" 3
 thumb __aeabi_fcmpeq .thumb_func ;; ; .globl#: push { r4, lr } ; ; bl 377 "<built-in>" 3
# 1 "   __eqsf2 ; cmp r0, #0 ;__aeabi_cfcmpeq__aeabi_dcmplt<command line>" 1
:
       beq 1f ; movs ;# 1 "<built-in>" 2
  r0# 1,.  "C:\\  #0push {r0-r3, lr}
        bl __aeabi_cfcmpeq_check_nan
type t        cmp r0, #1inygo\\lib\\compil

 ;e        beq 1f pop { r4

      r-rt__aeabi_dcmplt,  mov -builtr0, ins\\arm%pc, sp \\aeabi_idivmod.S" 2

}function        ldm r0, {r0-r3}
        bl __aeabi_cfcmple
        pop {r0-r3, pc}
1:

        movs  ; 1: ;  r0, #







movs;0xF# 1 "C:\\tinyg
 .thumb_func ;o\\lib\\compiler-rt-builtins\\arm/../assembly.h" 1
r0, #1  # 10 "C:\\tiny __aeabi_dcmplt       lsls;:g r0 push { r4, lr } , r0, #31o ;
\\lib\\compiler-rt-b  popuiltins\\arm\\aeabi_idivmod.S" 2
       pop {r0-r3, pc};# 21 "C:\\tinygo\\lib\\compile
# 57  r-"{ blC r4 __ltdf2 , pc }r; cmp r0 t-builtins\\arm\\aea,;:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cfcmp.S"
.size bi_i  __aeabi_cfcmpeq, . -.divmod.S"
        .# sizesyntax unified
        .text__aeabi_cfcmpeq 0

# 70 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cfcmp.S"
        .      .thumb ;
        .p2align 2__aeabi_fcmpeqsyntax;
.thumb , unified
        .  ;p2align 2 .blt 1f
;  .globl-.; movs r0, #0 ; pop {   __aeabi_fcmpeqr4__aeabi_idivmod ;, pc } ; 1: ; movs r0, #1 ; pop { r4thumb
 , ; ;.syntax unified ; .p2align 2 ;.   .thumb ; ; .globltypepc } ; __aeabi_fcmplt ; __aeabi_idivmod,%function ;. .sizeglobl .type __aeabi_fcmplt,%function ; .thumb_func ; __aeabi_cfcmple  __aeabi_idivmod ; :__aeabi_dcmplt .

, . -thumb_func        push .  ;type__aeabi_dcmplt{ __aeabi_fcmplt
r0, .syntax: push r1  { r4, lrunified,__aeabi_cfcmple } ; ; .p2align 2 ;  lr}
        bl, .thumb ; ; .globl; bl __aeabi_dcmple ; __divsi3 __ltsf2 ; cmp r0%
 , #0function        pop {  .r1;;type, r2 __aeabi_dcmple , r3} blt 1f ; movs r0,%function,
  # ; 0.      muls r2, r0, r2thumb_func.thumb_func   ;; pop { r4, pc } ; 1: ; movs r0, #1 ; pop { r4, pc } ; __aeabi_dcmple; .size __aeabi_fcmplt, . -    
: push { r4, lr } ; ; bl        subs r1, r1, r2
 __ledf2    __aeabi_fcmplt       bx r3__aeabi_cfcmple;

: .# 47 "C:\\tinygo\\lib\\compilersyntax


cmp-      rt-builtins\\arm\\aeabi_idivmod.S"
 r0, #0 ; ble 1f ; movs r0, #0 ; pop { r4, pc } ; 1: ; movs r0, #1 ; pop { .sizeunifiedr4,    pc } ; __aeabi_idivmod;  , .size .push __aeabi_dcmplep2align ., .  { - __aeabi_dcmple- __aeabi_idivmod
2r0
. -syntax;r3 unified ; .p2align 2 ; .thumb ;,  ; .globl lr}

 __aeabi_fcmple        bl __aeabi_fcmplt
        cmp r0. , #1;thumb

       .; ; .globltype   bne 1f

   __aeabi_dcmpge__aeabi_fcmple  ,    movs;%  .type __aeabi_dcmpgefunction ;r0, .thumb_func ;, #1
% __aeabi_fcmple: push { r4,function ;        lsls r0, r0, #1
        pop {  r0.thumb_func ;-r3, pc}
1:
        mov r0, sp
        ldm r0, {r0-r3}lr
 __aeabi_dcmpge: push { r4, lr }        bl __aeabi_fcmpeq}
 ; ; bl     ;    cmp;  r0, #1__gedf2 bl ; cmp r0, #0 ;
   __lesf2bge  ; cmp r0, #0 ;      bne 2f 1f ; movs r0, #0 ; pop { r4, pc }

        movs r0, #2ble
 ;        lsls r01f 1 , r0, #31
 :; movs r0, #0 ; pop { r4, pc } ; 1: ; movs r0, #1 ; pop { r4, pc } ;        pop {r0-r3, pc}
2:

     ;    movs.size r0, #0xF
        lsls r0  movs r0,,__aeabi_fcmple  , r0#.,1  #31 -
; pop { r4, pc } ;        pop {r0-r3, pc}  __aeabi_fcmple.size

 __aeabi_dcmpge# 117 "C:\\tinygo\\lib\\compiler-rt-builtins\\arm\\aeabi_cfcmp.S"
.size,. __aeabi_cfcmplesyntax , . . - unified ; - __aeabi_cfcmple





  __aeabi_dcmpge
.syntax unified. p2align      .  2 syntax unified
        .; .p2align 2 ;p2align 2; .thumb ; ; .globl .thumb ; ; .globl __aeabi_dcmpgt ; __aeabi_fcmpge ; .type __aeabi_dcmpgt,%function ; .thumb_func ; __aeabi_dcmpgt: push { r4, lr }
; ; bl.. __gtdf2thumbtype __aeabi_fcmpge ; cmp r0, , #0;% ;function   ;bgt  ;1f  .thumb_func.; movs r0 globl, #0 __aeabi_cfrcmple ; ; pop { r4, pc } ; 1: ; movs r0, #1 ; pop { r4, pc } ;;  .size __aeabi_fcmpge: push { r4, lr } ; ; bl __aeabi_dcmpgt, . -.type __aeabi_cfrcmple, __gesf2%function ; ; cmp r0 .thumb_func ; , # __aeabi_cfrcmple:__aeabi_dcmpgt0


   ;      mov ip, r0
  bge 1f       ; movs r0, #0 ;mov r0, r1
  pop  { r4, pc }      mov r1 ,;  1:ip ; movs r0, #1 ; pop { r4, pc } ;

 .size        b __aeabi_fcmpge, . - __aeabi_cfcmple __aeabi_fcmpge

.syntax unified ; .p2align 2 ;. .thumb ; ; size __aeabi_cfrcmple, .. -globl  __aeabi_fcmpgt__aeabi_cfrcmple
 ; .type __aeabi_fcmpgt,%function ; .thumb_func ; __aeabi_fcmpgt: push { r4, lr } ; ; bl __gtsf2 ; cmp r0, #0 ; bgt 1f ; movs r0, #0 ; pop { r4, pc } ; 1: ; movs r0, #1 ; pop { r4, pc } ; .size __aeabi_fcmpgt, . - __aeabi_fcmpgt
failed to build C:\tinygo\lib\compiler-rt-builtins\arm\aeabi_cdcmp.S: exit status 1

[soypat]

@aykevl with @pieterlouw we found a fix!

set TEMP=C:/a/path/that/exists/and/is/writeable
tinygo flash -target=pico yourprogram

[aykevl]

Ah yes, if the temporary directory is not writable all kinds of issues will turn up.

I don't think there's much we can do on the TinyGo side. I guess we could check whether goenv.Get("TEMP") is writable, but that's about it.

[colececil]

@aykevl with @pieterlouw we found a fix!

set TEMP=C:/a/path/that/exists/and/is/writeable
tinygo flash -target=pico yourprogram

I'm running into the same issue, but this workaround doesn't seem to be doing anything for me. Is there any way to tell where it's trying and failing to write the file?

My versions of everything are almost the same as @RodargDev's:

tinygo version 0.34.0 windows/amd64 (using go version go1.22.3 and LLVM version 18.1.2)

[sago35]

There is write permission for TEMP, but the issue still occurs.
Changing TEMP to another location results in the same outcome.

The issue was reproducible in my environment as well, so I'll investigate further.

[aykevl]

If you are able to build TinyGo, it would be very useful if you could try to comment out this line:

tinygo/builder/tools.go

Lines 34 to 37 in 2a76ceb

	// Make sure the command doesn't use any environmental variables.
	// Most importantly, it should not use C_INCLUDE_PATH and the like. But
	// removing all environmental variables also works.
	cmd.Env = []string{}

[jeffcaiz]

Save issue here, but mkdir C:\Temp, create the temp dir make things work now.

I use API Monitor to watch and notice this.

But no idea what part of code this dir is introduced.

[colececil]

Save issue here, but mkdir C:\Temp, create the temp dir make things work now.

I use API Monitor to watch and notice this.

But no idea what part of code this dir is introduced.

I just tried this and can confirm that it works! 😲 Once I created C:\Temp, TinyGo was able to build my project! Very weird - I guess that directory name must be hard coded somewhere? It's definitely not what my TEMP environment variable was set to.

[aykevl]

Here is a patch that should hopefully fix this problem: #4596