Cygwin/Babun support

Makefile

@@ -42,12 +42,14 @@ PARAMS_LIBS = -g -lm -lrt -lfftw3f -DUSE_FFTW -DLIBCSDR_GPL -DUSE_IMA_ADPCM
 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 $(PARAMS_MISC) -o csdr
 arm-cross: clean-vect
@@ -56,17 +58,17 @@ arm-cross: clean-vect
 clean-vect:
 	rm -f dumpvect*.vect
 clean: clean-vect
-	rm -f libcsdr.so csdr 
+	rm -f libcsdr.$(SO_EXT) csdr
 install:
-	install -m 0755 libcsdr.so /usr/lib
+	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

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"))
 	{

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
+
+
 /*
    _____                      _
   / ____|                    | |