Fix clang lookup dirs on osx

meson.build

@@ -38,7 +38,7 @@ else
 endif
 
 if get_option('libclang') == true
-  clang = cc.find_library('clang', dirs : ['/Library/Developer/CommandLineTools/usr/lib/'])
+  clang = cc.find_library('clang', dirs : ['/usr/local/opt/llvm/lib'])
 
   clang_include_dir_command = run_command(find_program('scripts/clang_include_dir.sh'))
   clang_include_dir = clang_include_dir_command.stdout().strip()

scripts/clang_include_dir.sh

@@ -1,3 +1,8 @@
 #!/bin/sh
 
-clang -E - -v < /dev/null 2>&1 | grep "^ /" | grep clang
+BINDIR=
+if [[ -d /usr/local/opt/llvm ]]; then
+  BINDIR="/usr/local/opt/llvm/bin/"
+fi
+
+${BINDIR}clang -E - -v < /dev/null 2>&1 | grep "^ /" | grep clang

src/bin/meson.build

@@ -26,13 +26,16 @@ foreach package : packages
 endforeach
 
 deps = [elm, edi_lib]
+libs = []
 
 if get_option('libclang') == true
    deps += [clang]
+   libs += include_directories('/usr/local/opt/llvm/include')
 endif
 
 executable('edi', src,
   dependencies : deps,
+  include_directories : libs,
   install : true
 )