Merge pull request #2925 from martin-frbg/issue2911-2

Add binutils version check as prerequisite for POWER10 in DYNAMIC_ARCH build

Makefile.system

@@ -641,6 +641,7 @@ DYNAMIC_CORE += POWER8
 ifneq ($(C_COMPILER), GCC)
 DYNAMIC_CORE += POWER9
 DYNAMIC_CORE += POWER10
+CCOMMON_OPT += -DHAVE_P10_SUPPORT
 endif
 ifeq ($(C_COMPILER), GCC)
 ifeq ($(GCCVERSIONGT5), 1)
@@ -648,11 +649,14 @@ DYNAMIC_CORE += POWER9
 else
 $(info, OpenBLAS: Your gcc version is too old to build the POWER9 kernels.)
 endif
-ifeq ($(GCCVERSIONGTEQ11), 1)
+LDVERSIONGTEQ35 := $(shell expr `ld --version | head -1 | cut -f2 -d "." | cut -f1 -d "-"` >= 35)
+ifeq ($(GCCVERSIONGTEQ11)$(LDVERSIONGTEQ35), 11)
 DYNAMIC_CORE += POWER10
+CCOMMON_OPT += -DHAVE_P10_SUPPORT
 else ifeq ($(GCCVERSIONGTEQ10), 1)
-ifeq ($(GCCMINORVERSIONGTEQ2), 1)
+ifeq ($(GCCMINORVERSIONGTEQ2)$(LDVERSIONGTEQ35), 11)
 DYNAMIC_CORE += POWER10
+CCOMMON_OPT += -DHAVE_P10_SUPPORT
 endif
 else
 $(info, OpenBLAS: Your gcc version is too old to build the POWER10 kernels.)

cmake/arch.cmake

@@ -49,6 +49,7 @@ if (DYNAMIC_ARCH)
   
   if (POWER)
 	  set(DYNAMIC_CORE POWER6 POWER8 POWER9 POWER10)
+	  set(CCOMMON_OPT "${CCOMMON_OPT} -DHAVE_P10_SUPPORT")
   endif ()
   
   if (X86)

driver/others/dynamic_power.c

@@ -6,10 +6,10 @@ extern gotoblas_t gotoblas_POWER8;
 #if (!defined __GNUC__) || ( __GNUC__ >= 6)
 extern gotoblas_t gotoblas_POWER9;
 #endif
-#if (!defined __GNUC__) || ( __GNUC__ >= 11) \
-     || (__GNUC__ == 10 && __GNUC_MINOR__ >= 2)
-#define HAVE_P10_SUPPORT 1
-#endif
+//#if (!defined __GNUC__) || ( __GNUC__ >= 11) \
+//     || (__GNUC__ == 10 && __GNUC_MINOR__ >= 2)
+//#define HAVE_P10_SUPPORT 1
+//#endif
 #ifdef HAVE_P10_SUPPORT
 extern gotoblas_t gotoblas_POWER10;
 #endif