From eb149041e833afa918d624d219c0e0311f590b3e Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <w.brodkorb@deubert.it>
Date: Fri, 26 Feb 2016 06:33:16 +0100
Subject: prereq: fatal error when no C/C++ compiler found

---
 scripts/prereq.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/scripts/prereq.sh b/scripts/prereq.sh
index 3bcc8a361..97a0bc136 100755
--- a/scripts/prereq.sh
+++ b/scripts/prereq.sh
@@ -114,12 +114,17 @@ for compilerbin in $compilerbins; do
   if which $compilerbin >/dev/null; then
     printf "found\n"
     CC=$compilerbin
+    CCFOUND=1
     break
   else
     printf "not found\n"
     continue
   fi
 done
+if [ -z "$CCFOUND" ]; then
+  printf "ERROR: no C compiler found. Fatal error.\n"
+  exit 1
+fi
 
 # check for c++ compiler
 compilerbins="clang++ c++ g++"
@@ -128,12 +133,17 @@ for compilerbin in $compilerbins; do
   if which $compilerbin >/dev/null; then
     printf "found\n"
     CXX=$compilerbin
+    CXXFOUND=1
     break
   else
     printf "not found\n"
     continue
   fi
 done
+if [ -z "$CXXFOUND" ]; then
+  printf "ERROR: no C++ compiler found. Fatal error.\n"
+  exit 1
+fi
 
 gnu_host_name=$(${CC} -dumpmachine)
 
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