update to build for FreeBSD

Makefile

@@ -62,6 +62,12 @@ ifeq ($(OS), OpenBSD)
     CFLAGS:=$(CFLAGS) $(shell $(LLVM_CONFIG) --cxxflags --ldflags)
     LDFLAGS:=$(LDFLAGS) $(shell $(LLVM_CONFIG) --libs core native --system-libs)
 endif
+ifeq ($(OS), FreeBSD)
+    LLVM_CONFIG=/usr/local/bin/llvm-config11
+
+    CFLAGS:=$(CFLAGS) $(shell $(LLVM_CONFIG) --cxxflags --ldflags)
+    LDFLAGS:=$(LDFLAGS) $(shell $(LLVM_CONFIG) --libs core native --system-libs)
+endif
 
 all: debug demo
 

core/os/os_freebsd.odin

@@ -232,10 +232,10 @@ foreign libc {
 	@(link_name="close")            _unix_close         :: proc(fd: Handle) -> c.int ---
 	@(link_name="read")             _unix_read          :: proc(fd: Handle, buf: rawptr, size: c.size_t) -> c.ssize_t ---
 	@(link_name="write")            _unix_write         :: proc(fd: Handle, buf: rawptr, size: c.size_t) -> c.ssize_t ---
-	@(link_name="lseek64")          _unix_seek          :: proc(fd: Handle, offset: i64, whence: c.int) -> i64 ---
+	@(link_name="lseek")          _unix_seek          :: proc(fd: Handle, offset: i64, whence: c.int) -> i64 ---
 	@(link_name="gettid")           _unix_gettid        :: proc() -> u64 ---
 	@(link_name="getpagesize")      _unix_getpagesize   :: proc() -> c.int ---
-	@(link_name="stat64")           _unix_stat          :: proc(path: cstring, stat: ^OS_Stat) -> c.int ---
+	@(link_name="stat")           _unix_stat          :: proc(path: cstring, stat: ^OS_Stat) -> c.int ---
 	@(link_name="fstat")            _unix_fstat         :: proc(fd: Handle, stat: ^OS_Stat) -> c.int ---
 	@(link_name="access")           _unix_access        :: proc(path: cstring, mask: c.int) -> c.int ---
 

core/os/stat_unix.odin

@@ -1,4 +1,4 @@
-//+build linux, darwin, freebsd, openbsd
+//+build linux, darwin, openbsd
 package os
 
 import "core:time"