-proc llvm_gcc_supports_objc { } {
- global llvmgcc
- catch { set file_h [ open "/tmp/llvm_obj_check.m" w] }
- set R [ catch { exec $llvmgcc -c "/tmp/llvm_obj_check.m" -o /dev/null >& /tmp/llvm_obj_check.out } ]
- set RESULT [ file size "/tmp/llvm_obj_check.out" ]
- catch { file delete "/tmp/llvm_obj_check.m" }
- catch { file delete "/tmp/llvm_obj_check.out" }
- if { $RESULT == 0 } {
- return 1
- } else {
- return 0
+# This procedure provides an interface to check the LLVMGCC_LANGS makefile
+# variable to see if llvm-gcc supports compilation of a particular language.
+proc llvm_gcc_supports { lang } {
+ global llvmgcc llvmgcc_langs
+ # validate the language choices and determine the name of the compiler
+ # component responsible for determining if the compiler has been built.
+ switch "$lang" {
+ ada { set file gnat1 }
+ c { set file cc1 }
+ c++ { set file cc1plus }
+ objc { set file cc1 }
+ objc++ { set file cc1 }
+ fortran { set file fcc1 }
+ default { return 0 }
+ }
+ foreach supported_lang [split "$llvmgcc_langs" ,] {
+ if { "$lang" == "$supported_lang" } {
+ # FIXME: Knowing it is configured is not enough. We should do two more
+ # checks here. First, we need to run llvm-gcc -print-prog-name=$file to
+ # get the path to the compiler. If we don't get a path, the language isn't
+ # properly configured or built. If we do get a path, we should check to
+ # make sure that it is executable and perhaps even try executing it.
+ return 1;