fix compilation on haiku

Makefile

@@ -45,6 +45,10 @@ ifeq ($(UNAME_S),FreeBSD)
 	CFLAGS   += -pthread
 	CXXFLAGS += -pthread
 endif
+ifeq ($(UNAME_S),Haiku)
+	CFLAGS   += -pthread
+	CXXFLAGS += -pthread
+endif
 
 # Architecture specific
 # TODO: probably these flags need to be tweaked on some architectures
@@ -77,6 +81,23 @@ ifeq ($(UNAME_M),x86_64)
 		ifneq (,$(findstring f16c,$(F16C_M)))
 			CFLAGS += -mf16c
 		endif
+	else ifeq ($(UNAME_S),Haiku)
+		AVX1_M := $(shell sysinfo -cpu | grep "AVX ")
+		ifneq (,$(findstring avx,$(AVX1_M)))
+			CFLAGS += -mavx
+		endif
+		AVX2_M := $(shell sysinfo -cpu | grep "AVX2 ")
+		ifneq (,$(findstring avx2,$(AVX2_M)))
+			CFLAGS += -mavx2
+		endif
+		FMA_M := $(shell sysinfo -cpu | grep "FMA ")
+		ifneq (,$(findstring fma,$(FMA_M)))
+			CFLAGS += -mfma
+		endif
+		F16C_M := $(shell sysinfo -cpu | grep "F16C ")
+		ifneq (,$(findstring f16c,$(F16C_M)))
+			CFLAGS += -mf16c
+		endif
 	else
 		CFLAGS += -mfma -mf16c -mavx -mavx2
 	endif

ggml.c

@@ -69,6 +69,10 @@ static int sched_yield (void) {
 typedef void* thread_ret_t;
 #endif
 
+#ifdef __HAIKU__
+#define static_assert(cond, msg) _Static_assert(cond, msg)
+#endif
+
 #define GGML_DEBUG 0
 #define GGML_GELU_FP16