From 1fcbf709bb505ec036ecd732c3c61510bf3c3997 Mon Sep 17 00:00:00 2001
From: Philip Lee <752558+rocketman768@users.noreply.github.com>
Date: Tue, 11 Sep 2018 21:12:03 -0700
Subject: [PATCH] Provide CXX variable in Makefile for other compiler support

---
 Makefile | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 6ca6cb6..594ac17 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,7 @@ VERSION = 0.2.6
 
 # USE_RPI_GPU_FFT = 1
 
+CXX ?= g++
 FLAGS = -Wall -O3 -ffast-math -DVERSION=$(VERSION)
 LIBS  = -lpthread -lm -ljpeg -lconfig -lrt
 
@@ -23,19 +24,19 @@ endif
 all:    gsm_scan ogn-rf r2fft_test
 
 ogn-rf:       Makefile ogn-rf.cc rtlsdr.h thread.h fft.h buffer.h image.h
-	g++ $(FLAGS) $(GPU_FLAGS) -o ogn-rf ogn-rf.cc $(GPU_SRC) $(LIBS) -lrtlsdr -lfftw3 -lfftw3f
+	$(CXX) $(FLAGS) $(GPU_FLAGS) -o ogn-rf ogn-rf.cc $(GPU_SRC) $(LIBS) -lrtlsdr -lfftw3 -lfftw3f
 ifdef USE_RPI_GPU_FFT
 	sudo chown root ogn-rf
 	sudo chmod a+s  ogn-rf
 endif
 
 gsm_scan:       Makefile gsm_scan.cc rtlsdr.h fft.h buffer.h image.h
-	g++ $(FLAGS) $(GPU_FLAGS) -o gsm_scan gsm_scan.cc $(GPU_SRC) $(LIBS) -lrtlsdr -lfftw3 -lfftw3f
+	$(CXX) $(FLAGS) $(GPU_FLAGS) -o gsm_scan gsm_scan.cc $(GPU_SRC) $(LIBS) -lrtlsdr -lfftw3 -lfftw3f
 ifdef USE_RPI_GPU_FFT
 	sudo chown root gsm_scan
 	sudo chmod a+s gsm_scan
 endif
 
 r2fft_test:	Makefile r2fft_test.cc r2fft.h fft.h
-	g++ $(FLAGS) -o r2fft_test r2fft_test.cc -lm -lfftw3 -lfftw3f
+	$(CXX) $(FLAGS) -o r2fft_test r2fft_test.cc -lm -lfftw3 -lfftw3f