Impossible to compile `pak` on openSUSE Tumbleweed due to LTO error

[devillemereuil]

Hi,

When trying to compile pak on openSUSE Tumbleweed during install, it fails due to an error linked to openSUSE policy about using LTO I would say. The error is the following :

gcc -shared -L/usr/lib64/R/lib -flto=auto -o keyring.so aes.o aesce.o aesni.o base64.o blake2b-compress-ref.o blake2b-ref.o core_hsalsa20_ref2.o core_salsa_ref.o crypto_generichash.o crypto_secretbox_easy.o generichash_blake2b.o init.o keyring_macos.o keyring_secret_service.o keyring_wincred.o onetimeauth_poly1305.o padlock.o platform_util.o poly1305_donna.o raes.o randombytes_sysrandom.o salsa20_ref.o sha256.o sodium-utils.o sodium.o stream_salsa20.o verify.o win-path.o -L/usr/lib64/R/lib -lR
mbedtls/platform.h:202:14: error: function ‘mbedtls_printf’ redeclared as variable
  202 | extern int (*mbedtls_printf)(const char *format, ...);
      |              ^
raes.c:9:5: note: previously declared here
    9 | int mbedtls_printf(const char *format, ...) {
      |     ^
lto1: fatal error: errors during merging of translation units
compilation terminated.
lto-wrapper: fatal error: gcc returned 1 exit status
compilation terminated.
/usr/lib64/gcc/x86_64-suse-linux/15/../../../../x86_64-suse-linux/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status

Operating System: openSUSE Tumbleweed 20251108
KDE Plasma Version: 6.5.2
KDE Frameworks Version: 6.19.0
Qt Version: 6.10.0
Kernel Version: 6.17.7-1-default (64-bit)
Graphics Platform: Wayland
Processors: 8 × AMD Ryzen 7 4700U with Radeon Graphics
Memory: 16 Gio of RAM (15.0 Gio usable)
R Version: 4.5

[doliv071]

Getting the same error on Ubuntu 24.04

mbedtls/platform.h:202:14: error: function ‘mbedtls_printf’ redeclared as variable
  202 | extern int (*mbedtls_printf)(const char *format, ...);
      |              ^
raes.c:9:5: note: previously declared here
    9 | int mbedtls_printf(const char *format, ...) {
      |     ^
lto1: fatal error: errors during merging of translation units
compilation terminated.
lto-wrapper: fatal error: gcc returned 1 exit status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[1]: *** [/usr/local/lib/R/share/make/shlib.mk:10: keyring.so] Error 1
make[1]: Leaving directory '/tmp/RtmpjIvNxJ/R.INSTALL5c3834d867e9b/pak/src/library/keyring/src'
ERROR: compilation failed for package ‘keyring’
Error in install_one(pkg, lib = lib) : FAILED
Calls: install_embedded_main -> install_all -> install_one
Execution halted
installing via 'install.libs.R' to /usr/local/lib/R/library/00LOCK-pak/00new/pak
Error in eval(ei, envir) : Compilation failed.
* removing ‘/usr/local/lib/R/library/pak’
Warning in install.packages :
  installation of package ‘pak’ had non-zero exit status

sessionInfo:

> sessionInfo()
R version 4.5.0 (2025-04-11)
Platform: x86_64-pc-linux-gnu
Running under: Ubuntu 24.04.3 LTS

Matrix products: default
BLAS/LAPACK: /usr/lib/x86_64-linux-gnu/openblas-pthread/libopenblasp-r0.3.26.so;  LAPACK version 3.12.0

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C               LC_TIME=en_US.UTF-8       
 [4] LC_COLLATE=en_US.UTF-8     LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8   
 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C                  LC_ADDRESS=C              
[10] LC_TELEPHONE=C             LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C       

time zone: America/New_York
tzcode source: system (glibc)

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

loaded via a namespace (and not attached):
[1] compiler_4.5.0    tools_4.5.0       rstudioapi_0.17.1```