--- icedtea-2.6.1/acinclude.m4
+++ icedtea-2.6.1/acinclude.m4
@@ -906,6 +906,22 @@
   AC_SUBST(VERSION_SUFFIX, $version_suffix)
 ])
 
+AC_DEFUN([AC_CHECK_WITH_CC_FOR_BUILD],
+[
+  AC_MSG_CHECKING(for compiler used for subsidiary programs)
+  AC_ARG_WITH([cc-for-build],
+              [AS_HELP_STRING(--with-cc-for-build,specify the compiler for subsidiary (helper) programs)],
+  [
+    CC_FOR_BUILD="${withval}"
+  ],
+  [
+    CC_FOR_BUILD="\$(CC)"
+  ])
+  AC_MSG_RESULT(${CC_FOR_BUILD})
+  AC_SUBST(CC_FOR_BUILD)
+])
+
+
 AC_DEFUN_ONCE([IT_WITH_GCJ],
 [
   AC_MSG_CHECKING([whether to compile ecj natively])
--- icedtea-2.6.1/configure.ac.orig	2015-07-24 09:08:33.866018127 +0200
+++ icedtea-2.6.1/configure.ac	2015-07-24 09:08:40.458018002 +0200
@@ -22,6 +22,8 @@
 AC_PROG_CC
 AC_PROG_CXX
 
+AC_CHECK_WITH_CC_FOR_BUILD
+
 IT_FIND_TOOLS([MAKE], [gmake make])
 IT_FIND_TOOL([GZIP], [gzip])
 IT_FIND_TOOL([ANT], [ant])
--- icedtea-2.6.1/Makefile.am
+++ icedtea-2.6.1/Makefile.am
@@ -605,6 +605,7 @@
 	FT2_LIBS="$(FREETYPE2_LIBS)" \
 	ALT_PARALLEL_COMPILE_JOBS="$(PARALLEL_JOBS)" \
 	HOTSPOT_BUILD_JOBS="$(PARALLEL_JOBS)" \
+	CC_FOR_BUILD="$(CC_FOR_BUILD)" \
 	OE_CFLAGS="$(OE_CFLAGS)" \
 	OE_CPPFLAGS="$(OE_CPPFLAGS)" \
 	OE_CXXFLAGS="$(OE_CXXFLAGS)" \