From a0b836e61ca3107be4456e0b8fa40ef1eef9a741 Mon Sep 17 00:00:00 2001
From: ha7ilm <retzlerandras@gmail.com>
Date: Wed, 29 Jun 2016 22:34:56 +0200
Subject: [PATCH] Cygwin/Babun support

---
 Makefile  | 24 +++++++++++++-----------
 csdr.c    |  6 ++++++
 libcsdr.h |  5 +++++
 3 files changed, 24 insertions(+), 11 deletions(-)

diff --git a/Makefile b/Makefile
index 4bcd3f8..95e5ed5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
-# This software is part of libcsdr, a set of simple DSP routines for 
+# This software is part of libcsdr, a set of simple DSP routines for
 # Software Defined Radio.
 #
 # Copyright (c) 2014, Andras Retzler <randras@sdr.hu>
 # All rights reserved.
-# 
+#
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
 #    * Redistributions of source code must retain the above copyright
@@ -28,10 +28,10 @@
 
 
 
-LIBSOURCES =  fft_fftw.c libcsdr_wrapper.c 
+LIBSOURCES =  fft_fftw.c libcsdr_wrapper.c
 #SOURCES = csdr.c $(LIBSOURCES)
 cpufeature = $(if $(findstring $(1),$(shell cat /proc/cpuinfo)),$(2))
-PARAMS_SSE = $(call cpufeature,sse,-msse) $(call cpufeature,sse2,-msse2) $(call cpufeature,sse3,-msse3) $(call cpufeature,sse4,-msse4) $(call cpufeature,sse4_1,-msse4.1) $(call cpufeature,sse4_2,-msse4.2) -mfpmath=sse 
+PARAMS_SSE = $(call cpufeature,sse,-msse) $(call cpufeature,sse2,-msse2) $(call cpufeature,sse3,-msse3) $(call cpufeature,sse4,-msse4) $(call cpufeature,sse4_1,-msse4.1) $(call cpufeature,sse4_2,-msse4.2) -mfpmath=sse
 PARAMS_NEON = -mfloat-abi=hard -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mvectorize-with-neon-quad -funsafe-math-optimizations -Wformat=0 -DNEON_OPTS
 #tnx Jan Szumiec for the Raspberry Pi support
 PARAMS_RASPI = -mfloat-abi=hard -mcpu=arm1176jzf-s -mfpu=vfp -funsafe-math-optimizations -Wformat=0
@@ -39,15 +39,17 @@ PARAMS_ARM = $(if $(call cpufeature,BCM2708,dummy-text),$(PARAMS_RASPI),$(PARAMS
 PARAMS_SIMD = $(if $(call cpufeature,sse,dummy-text),$(PARAMS_SSE),$(PARAMS_ARM))
 PARAMS_LOOPVECT = -O3 -ffast-math -fdump-tree-vect-details -dumpbase dumpvect
 PARAMS_LIBS = -g -lm -lrt -lfftw3f -DUSE_FFTW -DLIBCSDR_GPL -DUSE_IMA_ADPCM
-PARAMS_SO = -fpic  
+PARAMS_SO = -fpic
 PARAMS_MISC = -Wno-unused-result
 FFTW_PACKAGE = fftw-3.3.3
+SO_EXT = $(if $(findstring CYGWIN,$(shell uname -a)),dll,so)
 
 all: clean-vect
 	@echo NOTE: you may have to manually edit Makefile to optimize for your CPU \(especially if you compile on ARM, please edit PARAMS_NEON\).
 	@echo Auto-detected optimization parameters: $(PARAMS_SIMD)
 	@echo
-	gcc -std=gnu99 $(PARAMS_LOOPVECT) $(PARAMS_SIMD) $(LIBSOURCES) $(PARAMS_LIBS) $(PARAMS_MISC) -fpic -shared -o libcsdr.so
+	gcc -std=gnu99 $(PARAMS_LOOPVECT) $(PARAMS_SIMD) $(LIBSOURCES) $(PARAMS_LIBS) $(PARAMS_MISC) -fpic -shared -o libcsdr.$(SO_EXT)
+
 	-./parsevect dumpvect*.vect
 	gcc -std=gnu99 $(PARAMS_LOOPVECT) $(PARAMS_SIMD) csdr.c $(PARAMS_LIBS) -L. -lcsdr $(PARAMS_MISC) -o csdr
 arm-cross: clean-vect
@@ -56,17 +58,17 @@ arm-cross: clean-vect
 clean-vect:
 	rm -f dumpvect*.vect
 clean: clean-vect
-	rm -f libcsdr.so csdr 
-install: 
-	install -m 0755 libcsdr.so /usr/lib
+	rm -f libcsdr.$(SO_EXT) csdr
+install:
+	install -m 0755 libcsdr.$(SO_EXT) /usr/lib
 	install -m 0755 csdr /usr/bin
 	install -m 0755 csdr-fm /usr/bin
 	ldconfig
 uninstall:
-	rm /usr/lib/libcsdr.so /usr/bin/csdr /usr/bin/csdr-fm
+	rm /usr/lib/libcsdr.$(SO_EXT) /usr/bin/csdr /usr/bin/csdr-fm
 	ldconfig
 disasm:
-	objdump -S libcsdr.so > libcsdr.disasm
+	objdump -S libcsdr.$(SO_EXT) > libcsdr.disasm
 emcc-clean:
 	-rm sdr.js/sdr.js
 	-rm sdr.js/sdrjs-compiled.js
diff --git a/csdr.c b/csdr.c
index ec08e27..8445839 100644
--- a/csdr.c
+++ b/csdr.c
@@ -321,9 +321,11 @@ int main(int argc, char *argv[])
 	if(argc<=1) return badsyntax(0);
 	if(!strcmp(argv[1],"--help")) return badsyntax(0);
 
+#ifndef CSDR_NOLINUX
 	fcntl(STDIN_FILENO, F_SETPIPE_SZ, 65536*32);
 	fcntl(STDOUT_FILENO, F_SETPIPE_SZ, 65536*32);
 	//fprintf(stderr, "csdr: F_SETPIPE_SZ\n");
+#endif
 
 	if(!strcmp(argv[1],"setbuf"))
 	{
@@ -1386,6 +1388,7 @@ int main(int argc, char *argv[])
 
 #define TIME_TAKEN(start,end) ((end.tv_sec-start.tv_sec)+(end.tv_nsec-start.tv_nsec)/1e9)
 
+#ifndef CSDR_NOLINUX
 	if(!strcmp(argv[1],"fft_benchmark"))
 	{
 		if(argc<=3) return badsyntax("need required parameters (fft_size, fft_cycles)");
@@ -1424,6 +1427,7 @@ int main(int argc, char *argv[])
 		fprintf(stderr,"fft_benchmark: %d transforms of %d processed in %g seconds, %g seconds each.\n",fft_cycles,fft_size,time_taken_fft,time_taken_fft/fft_cycles);
 		return 0;
 	}
+#endif
 
 	if(!strcmp(argv[1],"bandpass_fir_fft_cc")) //this command does not exist as a separate function
 	{
@@ -1663,6 +1667,7 @@ int main(int argc, char *argv[])
 	}
 #endif
 
+#ifndef CSDR_NOLINUX
 	if(!strcmp(argv[1],"through"))
 	{
 		struct timespec start_time, end_time;
@@ -1700,6 +1705,7 @@ int main(int argc, char *argv[])
 			TRY_YIELD;
 		}
 	}
+#endif
 
 	if(!strcmp(argv[1],"dsb_fc"))
 	{
diff --git a/libcsdr.h b/libcsdr.h
index d7f5cc3..98a62a3 100644
--- a/libcsdr.h
+++ b/libcsdr.h
@@ -31,6 +31,11 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #pragma once
 #define MIN_M(x,y) (((x)>(y))?(y):(x))
 
+#ifdef __CYGWIN__
+ #define CSDR_NOLINUX
+#endif
+
+
 /*
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