From 23a879632df599ca18a0e122af48b82dc2d54d15 Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Sat, 24 Dec 2016 15:45:04 +0100
Subject: Use CXX in makefiles and configures to design the c++ compiler.

---
 configure | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index cea704690..56d95c51e 100755
--- a/configure
+++ b/configure
@@ -5,6 +5,7 @@
 
 backend=mcode
 CC=${CC:-gcc}
+CXX=${CXX:-clang++}
 CFLAGS=${CFLAGS:--g}
 GNATMAKE=${GNATMAKE:-gnatmake}
 LDFLAGS=
@@ -25,7 +26,7 @@ PIC_FLAGS=-fPIC
 show_help=no
 progname=$0
 
-subst_vars="CC GNATMAKE CFLAGS LDFLAGS build srcdir prefix backend libdirsuffix libdirreverse gcc_src_dir llvm_config llvm_be llvm_be_ver backtrace_lib build_mode EXEEXT SOEXT PIC_FLAGS default_pie"
+subst_vars="CC CXX GNATMAKE CFLAGS LDFLAGS build srcdir prefix backend libdirsuffix libdirreverse gcc_src_dir llvm_config llvm_be llvm_be_ver backtrace_lib build_mode EXEEXT SOEXT PIC_FLAGS default_pie"
 
 # Find srcdir
 srcdir=`dirname $progname`
@@ -62,7 +63,7 @@ check_version()
 for opt do
   optarg=`expr x"$opt" : 'x[^=]*=\(.*\)'`
   case "$opt" in
-      CC=*|CFLAGS=*|GNATMAKE=*|LDFLAGS=*)
+      CC=*|CFLAGS=*|GNATMAKE=*|LDFLAGS=*|CXX=*)
         optvar=`expr x"$opt" : 'x\([^=]*\)=.*'`
 	eval $optvar=\"$optarg\"
 	;;
-- 
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