Add support for determining which languages the llvm-gcc front end
supports.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36319 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index e424162..2934061 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -767,6 +767,7 @@
dnl Since we have a sane llvm-gcc, identify it and its sub-tools
if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
+ AC_MSG_CHECKING([llvm-gcc component support])
llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
AC_SUBST(LLVMCC1,$llvmcc1path)
llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
@@ -779,6 +780,9 @@
llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
+ llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ -]*\).*/\1/'`]
+ AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
+ AC_MSG_RESULT([ok])
fi
dnl Propagate the shared library extension that the libltdl checks did to