diff --git a/configure b/configure
index 141c6ce..6e906a2 100755
--- a/configure
+++ b/configure
@@ -465,7 +465,7 @@
 #endif"
 
 ac_unique_file=""Makefile.config.in""
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS subdirs INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os OS LLVMGCCDIR ARCH CXX CXXFLAGS LDFLAGS CPPFLAGS ac_ct_CXX EXEEXT OBJEXT CC CFLAGS ac_ct_CC CPP ifGNUmake LEX LEXLIB LEX_OUTPUT_ROOT YACC BISON EGREP LN_S ECHO AR ac_ct_AR RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP CXXCPP F77 FFLAGS ac_ct_F77 LIBTOOL DOT ETAGS PYTHON QMTEST ALLOCA MMAP_FILE ENABLE_OPTIMIZED SPEC_ROOT USE_SPEC UPB DISABLE_LLC_DIFFS JIT BCR PAPIDIR LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS subdirs INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os OS LLVMGCCDIR ARCH CXX CXXFLAGS LDFLAGS CPPFLAGS ac_ct_CXX EXEEXT OBJEXT CC CFLAGS ac_ct_CC CPP ifGNUmake LEX LEXLIB LEX_OUTPUT_ROOT YACC BISON EGREP LN_S ECHO AR ac_ct_AR RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP CXXCPP F77 FFLAGS ac_ct_F77 LIBTOOL DOT ETAGS PYTHON QMTEST ALLOCA MMAP_FILE ENABLE_OPTIMIZED SPEC_ROOT USE_SPEC UPB DISABLE_LLC_DIFFS JIT LLVMCC1 LLVMCC1PLUS BCR PAPIDIR LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -21594,6 +21594,12 @@
 		LLVM_GCC_SANE=yes
 	fi
 	rm conftest.c
+	llvmcc1path=`"$LLVM_GCC_CHECK" --print-prog-name=cc1`
+    LLVMCC1=$llvmcc1path
+
+	llvmcc1pluspath=`"$LLVM_GCC_CHECK" --print-prog-name=cc1plus`
+    LLVMCC1PLUS=$llvmcc1pluspath
+
 fi
 echo "$as_me:$LINENO: result: $LLVM_GCC_SANE" >&5
 echo "${ECHO_T}$LLVM_GCC_SANE" >&6
@@ -22401,6 +22407,8 @@
 s,@UPB@,$UPB,;t t
 s,@DISABLE_LLC_DIFFS@,$DISABLE_LLC_DIFFS,;t t
 s,@JIT@,$JIT,;t t
+s,@LLVMCC1@,$LLVMCC1,;t t
+s,@LLVMCC1PLUS@,$LLVMCC1PLUS,;t t
 s,@BCR@,$BCR,;t t
 s,@PAPIDIR@,$PAPIDIR,;t t
 s,@LIBOBJS@,$LIBOBJS,;t t