zen5 machine target on gcc 15+

yeet gcc 8

Author: nlgripto

config/machine/linux_gcc_zen5.mk

@@ -0,0 +1,41 @@
+BUILDDIR?=linux/gcc/zen5
+
+include config/base.mk
+include config/extra/with-gcc.mk
+include config/extra/with-x86-64.mk
+include config/extra/with-debug.mk
+include config/extra/with-security.mk
+include config/extra/with-brutality.mk
+include config/extra/with-optimization.mk
+include config/extra/with-threads.mk
+
+# GCC 14+ support zen5, however, 15 has the optimizations.
+ifeq ($(shell test `$(CC) -dumpversion | cut -d. -f1` -ge 15 && echo yes),yes)
+CPPFLAGS+=-march=znver5 -mtune=znver5
+else
+$(error Unsupported GCC version $(shell $(CC) -dumpversion). Only GCC 15+ is fully supported for zen5.)
+endif
+
+
+CPPFLAGS+=\
+  -DFD_HAS_INT128=1 \
+  -DFD_HAS_DOUBLE=1 \
+  -DFD_HAS_ALLOCA=1 \
+  -DFD_HAS_X86=1 \
+  -DFD_HAS_SSE=1 \
+  -DFD_HAS_AVX=1 \
+  -DFD_HAS_SHANI=1 \
+  -DFD_HAS_AESNI=1 \
+  -DFD_HAS_AVX512=1 \
+  -DFD_HAS_GFNI=1
+
+FD_HAS_INT128:=1
+FD_HAS_DOUBLE:=1
+FD_HAS_ALLOCA:=1
+FD_HAS_X86:=1
+FD_HAS_SSE:=1
+FD_HAS_AVX:=1
+FD_HAS_SHANI:=1
+FD_HAS_AESNI:=1
+FD_HAS_AVX512:=1
+FD_HAS_GFNI:=1