fix compilation on freebsd

Author: Al Hoang

llvm_config_freebsd_llvm14.go

@@ -0,0 +1,10 @@
+//go:build !byollvm && freebsd && llvm14
+
+package llvm
+
+// #cgo CPPFLAGS: -I/usr/local/llvm14/include -I/usr/local/llvm14/include/llvm-c -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
+// #cgo CXXFLAGS: -std=c++14
+// #cgo LDFLAGS: -L/usr/local/llvm14/lib -lLLVM
+import "C"
+
+type run_build_sh int

llvm_config_freebsd_llvm15.go

@@ -0,0 +1,10 @@
+//go:build !byollvm && freebsd && llvm15
+
+package llvm
+
+// #cgo CPPFLAGS: -I/usr/local/llvm15/include -I/usr/local/llvm15/include/llvm-c -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
+// #cgo CXXFLAGS: -std=c++14
+// #cgo LDFLAGS: -L/usr/local/llvm15/lib -lLLVM
+import "C"
+
+type run_build_sh int

llvm_config_freebsd_llvm16.go

@@ -0,0 +1,10 @@
+//go:build !byollvm && freebsd && llvm16
+
+package llvm
+
+// #cgo CPPFLAGS: -I/usr/local/llvm16/include -I/usr/local/llvm16/include/llvm-c -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
+// #cgo CXXFLAGS: -std=c++17
+// #cgo LDFLAGS: -L/usr/local/llvm16/lib -lLLVM
+import "C"
+
+type run_build_sh int

llvm_config_freebsd_llvm17.go

@@ -0,0 +1,10 @@
+//go:build !byollvm && freebsd && llvm17
+
+package llvm
+
+// #cgo CPPFLAGS: -I/usr/local/llvm17/include -I/usr/local/llvm17/include/llvm-c -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
+// #cgo CXXFLAGS: -std=c++17
+// #cgo LDFLAGS: -L/usr/local/llvm17/lib -lLLVM
+import "C"
+
+type run_build_sh int

llvm_config_freebsd_llvm18.go

@@ -0,0 +1,10 @@
+//go:build !byollvm && freebsd && llvm18
+
+package llvm
+
+// #cgo CPPFLAGS: -I/usr/local/llvm18/include -I/usr/local/llvm18/include/llvm-c -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
+// #cgo CXXFLAGS: -std=c++17
+// #cgo LDFLAGS: -L/usr/local/llvm18/lib -lLLVM
+import "C"
+
+type run_build_sh int

llvm_config_freebsd_llvm19.go

@@ -0,0 +1,10 @@
+//go:build !byollvm && freebsd && llvm19
+
+package llvm
+
+// #cgo CPPFLAGS: -I/usr/local/llvm19/include -I/usr/local/llvm19/include/llvm-c -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
+// #cgo CXXFLAGS: -std=c++17
+// #cgo LDFLAGS: -L/usr/local/llvm19/lib -lLLVM
+import "C"
+
+type run_build_sh int

llvm_config_freebsd_llvm20.go

@@ -0,0 +1,10 @@
+//go:build !byollvm && freebsd && !llvm14 && !llvm15 && !llvm16 && !llvm17 && !llvm18 && !llvm19
+
+package llvm
+
+// #cgo CPPFLAGS: -I/usr/local/llvm20/include -I/usr/local/llvm20/include/llvm-c -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
+// #cgo CXXFLAGS: -std=c++17
+// #cgo LDFLAGS: -L/usr/local/llvm20/lib -lLLVM
+import "C"
+
+type run_build_sh int