Conflicting types for target RISCV64_ZVL256B and RISCV64_ZVL128B

[cwt]

OS: Arch Linux
Compiler: gcc (GCC) 14.2.1 20240910
Hardware: Milk-V(M1) Jupiter (SpacemiT K1/M1)
CFLAGS: quite standard Arch riscv64 makepkg with _zvl256b
Source Tag: v0.3.29

CFLAGS="-march=rv64gcv_zvl256b\
        -mno-strict-align \
        -mabi=lp64d -O2 -pipe -fno-plt -fexceptions \
        -Wp,-D_FORTIFY_SOURCE=3 -Wformat -Werror=format-security \
        -fstack-clash-protection \
        -fno-omit-frame-pointer"

Errors:

/home/cwt/Projects/Arch/openblas/src/build/kernel/CMakeFiles/strmm_kernel_RN.c:5:15: error: conflicting types for ‘strmm_kernel_RN’; have ‘int(BLASLONG,  BLASLONG,  BLASLONG,
  float,  float *, float *, float *, BLASLONG)’ {aka ‘int(long int,  long int,  long int,  float,  float *, float *, float *, long int)’}                                     
    5 | #define CNAME strmm_kernel_RN                                                                                                                                         
      |               ^~~~~~~~~~~~~~~                                                                                                                                         
/home/cwt/Projects/Arch/openblas/src/OpenBLAS/kernel/riscv64/sgemm_kernel_16x8_zvl256b.c:44:5: note: in expansion of macro ‘CNAME’                                            
   44 | int CNAME(BLASLONG M, BLASLONG N, BLASLONG K, FLOAT alpha, FLOAT* A, FLOAT* B, FLOAT* C, BLASLONG ldc)                                                                
      |     ^~~~~                                                                                                                                                             
In file included from /home/cwt/Projects/Arch/openblas/src/OpenBLAS/common.h:836,                                                                                             
                 from /home/cwt/Projects/Arch/openblas/src/OpenBLAS/kernel/riscv64/sgemm_kernel_16x8_zvl256b.c:41,                                                            
                 from /home/cwt/Projects/Arch/openblas/src/build/kernel/CMakeFiles/strmm_kernel_RN.c:8:                                                                       
/home/cwt/Projects/Arch/openblas/src/OpenBLAS/common_level3.h:164:5: note: previous declaration of ‘strmm_kernel_RN’ with type ‘int(BLASLONG,  BLASLONG,  BLASLONG,  float,  f
loat *, float *, float *, BLASLONG,  BLASLONG)’ {aka ‘int(long int,  long int,  long int,  float,  float *, float *, float *, long int,  long int)’}                          
  164 | int strmm_kernel_RN(BLASLONG, BLASLONG, BLASLONG, float, float *, float *, float *, BLASLONG, BLASLONG);                                                              
      |     ^~~~~~~~~~~~~~~                                                                                                                                                   
make[2]: *** [kernel/CMakeFiles/kernel.dir/build.make:1899: kernel/CMakeFiles/kernel.dir/CMakeFiles/strmm_kernel_RN.c.o] Error 1                                              
make[2]: *** Waiting for unfinished jobs....

and then

/home/cwt/Projects/Arch/openblas/src/build/kernel/CMakeFiles/strmm_kernel_LN.c:6:15: error: conflicting types for ‘strmm_kernel_LN’; have ‘int(BLASLONG,  BLASLONG,  BLASLONG,
  float,  float *, float *, float *, BLASLONG)’ {aka ‘int(long int,  long int,  long int,  float,  float *, float *, float *, long int)’}
    6 | #define CNAME strmm_kernel_LN
      |               ^~~~~~~~~~~~~~~
/home/cwt/Projects/Arch/openblas/src/OpenBLAS/kernel/riscv64/sgemm_kernel_16x8_zvl256b.c:44:5: note: in expansion of macro ‘CNAME’
   44 | int CNAME(BLASLONG M, BLASLONG N, BLASLONG K, FLOAT alpha, FLOAT* A, FLOAT* B, FLOAT* C, BLASLONG ldc)
      |     ^~~~~
In file included from /home/cwt/Projects/Arch/openblas/src/OpenBLAS/common.h:836,
                 from /home/cwt/Projects/Arch/openblas/src/OpenBLAS/kernel/riscv64/sgemm_kernel_16x8_zvl256b.c:41,
                 from /home/cwt/Projects/Arch/openblas/src/build/kernel/CMakeFiles/strmm_kernel_LN.c:9:
/home/cwt/Projects/Arch/openblas/src/OpenBLAS/common_level3.h:166:5: note: previous declaration of ‘strmm_kernel_LN’ with type ‘int(BLASLONG,  BLASLONG,  BLASLONG,  float,  f
loat *, float *, float *, BLASLONG,  BLASLONG)’ {aka ‘int(long int,  long int,  long int,  float,  float *, float *, float *, long int,  long int)’}
  166 | int strmm_kernel_LN(BLASLONG, BLASLONG, BLASLONG, float, float *, float *, float *, BLASLONG, BLASLONG);
      |     ^~~~~~~~~~~~~~~
make[2]: *** [kernel/CMakeFiles/kernel.dir/build.make:1913: kernel/CMakeFiles/kernel.dir/CMakeFiles/strmm_kernel_LN.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:633: kernel/CMakeFiles/kernel.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....

For target RISCV64_ZVL128, I also got the same error:

/home/cwt/Projects/Arch/openblas/src/build/kernel/CMakeFiles/strmm_kernel_RN.c:5:15: error: conflicting types for ‘strmm_kernel_RN’; have ‘int(BLASLONG,  BLASLONG,  BLASLONG,
  float,  float *, float *, float *, BLASLONG)’ {aka ‘int(long int,  long int,  long int,  float,  float *, float *, float *, long int)’}                                     
    5 | #define CNAME strmm_kernel_RN                                                                                                                                         
      |               ^~~~~~~~~~~~~~~                                                                                                                                         
/home/cwt/Projects/Arch/openblas/src/OpenBLAS/kernel/riscv64/sgemm_kernel_8x8_zvl128b.c:44:5: note: in expansion of macro ‘CNAME’                                             
   44 | int CNAME(BLASLONG M, BLASLONG N, BLASLONG K, FLOAT alpha, FLOAT *A, FLOAT *B, FLOAT *C, BLASLONG ldc)                                                                
      |     ^~~~~                                                                                                                                                             
In file included from /home/cwt/Projects/Arch/openblas/src/OpenBLAS/common.h:836,                                                                                             
                 from /home/cwt/Projects/Arch/openblas/src/OpenBLAS/kernel/riscv64/sgemm_kernel_8x8_zvl128b.c:42,                                                             
                 from /home/cwt/Projects/Arch/openblas/src/build/kernel/CMakeFiles/strmm_kernel_RN.c:8:                                                                       
/home/cwt/Projects/Arch/openblas/src/OpenBLAS/common_level3.h:164:5: note: previous declaration of ‘strmm_kernel_RN’ with type ‘int(BLASLONG,  BLASLONG,  BLASLONG,  float,  f
loat *, float *, float *, BLASLONG,  BLASLONG)’ {aka ‘int(long int,  long int,  long int,  float,  float *, float *, float *, long int,  long int)’}                          
  164 | int strmm_kernel_RN(BLASLONG, BLASLONG, BLASLONG, float, float *, float *, float *, BLASLONG, BLASLONG);                                                              
      |     ^~~~~~~~~~~~~~~                                                                                                                                                   
make[2]: *** [kernel/CMakeFiles/kernel.dir/build.make:1899: kernel/CMakeFiles/kernel.dir/CMakeFiles/strmm_kernel_RN.c.o] Error 1                                              
make[2]: *** Waiting for unfinished jobs....                                                                                                                                  
[ 20%] Building C object driver/level2/CMakeFiles/driver_level2.dir/CMakeFiles/stpmv_thread_TUU.c.o                                                                           
[ 20%] Building C object CMakeFiles/LAPACKE.dir/lapack-netlib/LAPACKE/src/lapacke_sspcon_work.c.o                                                                             
[ 20%] Building C object interface/CMakeFiles/interface.dir/CMakeFiles/dgemmt.c.o                                                                                             
[ 20%] Building C object CMakeFiles/LAPACKE.dir/lapack-netlib/LAPACKE/src/lapacke_sspev.c.o                                                                                   
/home/cwt/Projects/Arch/openblas/src/build/kernel/CMakeFiles/strmm_kernel_LN.c:6:15: error: conflicting types for ‘strmm_kernel_LN’; have ‘int(BLASLONG,  BLASLONG,  BLASLONG,
  float,  float *, float *, float *, BLASLONG)’ {aka ‘int(long int,  long int,  long int,  float,  float *, float *, float *, long int)’}                                     
    6 | #define CNAME strmm_kernel_LN                                                                                                                                         
      |               ^~~~~~~~~~~~~~~                                                                                                                                         
/home/cwt/Projects/Arch/openblas/src/OpenBLAS/kernel/riscv64/sgemm_kernel_8x8_zvl128b.c:44:5: note: in expansion of macro ‘CNAME’                                             
   44 | int CNAME(BLASLONG M, BLASLONG N, BLASLONG K, FLOAT alpha, FLOAT *A, FLOAT *B, FLOAT *C, BLASLONG ldc)                                                                
      |     ^~~~~                                                                                                                                                             
In file included from /home/cwt/Projects/Arch/openblas/src/OpenBLAS/common.h:836,
                 from /home/cwt/Projects/Arch/openblas/src/OpenBLAS/kernel/riscv64/sgemm_kernel_8x8_zvl128b.c:42,
                 from /home/cwt/Projects/Arch/openblas/src/build/kernel/CMakeFiles/strmm_kernel_LN.c:9:
/home/cwt/Projects/Arch/openblas/src/OpenBLAS/common_level3.h:166:5: note: previous declaration of ‘strmm_kernel_LN’ with type ‘int(BLASLONG,  BLASLONG,  BLASLONG,  float,  f
loat *, float *, float *, BLASLONG,  BLASLONG)’ {aka ‘int(long int,  long int,  long int,  float,  float *, float *, float *, long int,  long int)’}
  166 | int strmm_kernel_LN(BLASLONG, BLASLONG, BLASLONG, float, float *, float *, float *, BLASLONG, BLASLONG);
      |     ^~~~~~~~~~~~~~~
[ 20%] Building C object driver/level3/CMakeFiles/driver_level3.dir/CMakeFiles/dtrsm_LTLU.c.o
[ 20%] Building Fortran object CMakeFiles/LAPACK_OVERRIDES.dir/lapack-netlib/SRC/sgeequb.f.o
make[2]: *** [kernel/CMakeFiles/kernel.dir/build.make:1913: kernel/CMakeFiles/kernel.dir/CMakeFiles/strmm_kernel_LN.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:633: kernel/CMakeFiles/kernel.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....

[martin-frbg]

Ouch, this appears to be an oversight in the CMake build - kernel/CMakeLists.txt should be defining USE_TRMM for RISCV64 targets to signal that a dedicated TRMM kernel source rather than the GEMM one is to be used (like Makefile.L3 already does)