can't compile it for windows on linux #4

veso266 · 2017-08-27T11:19:15Z

Hi after getting hacktv working on linux I decided to try and compile it for windows since I have a hard time compiling c on windows I decided to try to compile hacktv for windows on linux using mingw cross-compiler

I followed this tutorial: https://arrayfire.com/cross-compile-to-windows-from-linux/

and changed makefile from this

CC=gcc
CFLAGS=-g -Wall -pthread -O3
LDFLAGS=-g -lm -pthread

CFLAGS+=`pkg-config --cflags libavcodec libavformat libswscale libswresample libavutil`
LDFLAGS+=`pkg-config --libs libavcodec libavformat libswscale libswresample libavutil`

CFLAGS+=`pkg-config --cflags libhackrf`
LDFLAGS+=`pkg-config --libs libhackrf`

OBJS=hacktv.o video.o videocrypt.o nicam728.o test.o ffmpeg.o hackrf.o

all: hacktv

hacktv: $(OBJS)
	$(CC) -o hacktv $(OBJS) $(LDFLAGS)

.c.o:
	$(CC) $(CFLAGS) -c $< -o $@

install:
	cp -f hacktv /usr/local/bin/

clean:
	rm -f *.o hacktv

to this:

CC=x86_64-w64-mingw32-gcc
CFLAGS=-g -Wall -pthread -O3
LDFLAGS=-g -lm -pthread

CFLAGS+=`pkg-config --cflags libavcodec libavformat libswscale libswresample libavutil`
LDFLAGS+=`pkg-config --libs libavcodec libavformat libswscale libswresample libavutil`

CFLAGS+=`pkg-config --cflags libhackrf`
LDFLAGS+=`pkg-config --libs libhackrf`

OBJS=hacktv.o video.o videocrypt.o nicam728.o test.o ffmpeg.o hackrf.o

all: hacktv

hacktv: $(OBJS)
	$(CC) -o hacktv $(OBJS) $(LDFLAGS)

.c.o:
	$(CC) $(CFLAGS) -c $< -o $@

install:
	cp -f hacktv /usr/local/bin/

clean:
	rm -f *.o hacktv

but when running make I get a weird error (it didn't complain about libraries which I assumed):

mitja@ubuntu:~/analog-tv/hacktv$ make
x86_64-w64-mingw32-gcc -g -Wall -pthread -O3 `pkg-config --cflags libavcodec libavformat libswscale libswresample libavutil` `pkg-config --cflags libhackrf` -c hacktv.c -o hacktv.o
In file included from hacktv.c:18:0:
/usr/include/stdio.h:102:19: error: conflicting types for ‘ssize_t’
typedef __ssize_t ssize_t;
                  ^
In file included from /usr/share/mingw-w64/include/stddef.h:7:0,
                from /usr/lib/gcc/x86_64-w64-mingw32/4.9-win32/include/stddef.h:1,
                from /usr/include/stdio.h:33,
                from hacktv.c:18:
/usr/share/mingw-w64/include/crtdefs.h:45:35: note: previous declaration of ‘ssize_t’ was here
__MINGW_EXTENSION typedef __int64 ssize_t;
                                  ^
In file included from /usr/include/x86_64-linux-gnu/sys/types.h:132:0,
                from /usr/include/stdlib.h:314,
                from hacktv.c:19:
/usr/include/time.h:75:18: error: conflicting types for ‘time_t’
typedef __time_t time_t;
                 ^
In file included from /usr/share/mingw-w64/include/stddef.h:7:0,
                from /usr/lib/gcc/x86_64-w64-mingw32/4.9-win32/include/stddef.h:1,
                from /usr/include/stdio.h:33,
                from hacktv.c:18:
/usr/share/mingw-w64/include/crtdefs.h:138:20: note: previous declaration of ‘time_t’ was here
typedef __time64_t time_t;
                   ^
In file included from hacktv.h:21:0,
                from hacktv.c:23:
/usr/include/stdint.h:122:27: error: conflicting types for ‘uintptr_t’
typedef unsigned long int uintptr_t;
                          ^
In file included from /usr/share/mingw-w64/include/stddef.h:7:0,
                from /usr/lib/gcc/x86_64-w64-mingw32/4.9-win32/include/stddef.h:1,
                from /usr/include/stdio.h:33,
                from hacktv.c:18:
/usr/share/mingw-w64/include/crtdefs.h:75:44: note: previous declaration of ‘uintptr_t’ was here
__MINGW_EXTENSION typedef unsigned __int64 uintptr_t;
                                           ^
In file included from hacktv.h:21:0,
                from hacktv.c:23:
/usr/include/stdint.h:145:0: warning: "__INT64_C" redefined
#  define __INT64_C(c) c ## L
^
<built-in>: note: this is the location of the previous definition
In file included from hacktv.h:21:0,
                from hacktv.c:23:
/usr/include/stdint.h:146:0: warning: "__UINT64_C" redefined
#  define __UINT64_C(c) c ## UL
^
<built-in>: note: this is the location of the previous definition
Makefile:20: recipe for target 'hacktv.o' failed
make: *** [hacktv.o] Error 1

I would realy like to compile this for windows because I can't use my HackRF in a VM and its unpractical to boot to linux just to have a play with an awesome project I dream about when I got my HackRF One

Thanks for Anwsering and Best Regards

fsphil · 2017-08-27T19:34:05Z

The error you're seeing looks like a gcc or libc issue. I did try compiling it with mingw64 on my machine (Fedora 25 x86_64) and it complains about the libraries as expected.

If I disable ffmpeg and libhackrf it produces hackrf.exe, but it won't be much use to anyone without those two libraries :) I may try building those later.

veso266 · 2017-08-29T12:40:35Z

did you have any luck compiling libraries?

fsphil · 2017-09-06T10:56:34Z

They both compile fine on Fedora 25, but I have no way to test them.
I didn't try building hacktv with them either.

veso266 · 2017-09-06T11:44:15Z

If you manage to compile hacktv with them I would be happy to test it

PS: do you think you can post steps you took to compile them? (and how to link them to hacktv)

Thanks for Anwsering and Best Regards

fsphil · 2017-09-13T07:39:41Z

I followed these guides:

ffmpeg: https://trac.ffmpeg.org/wiki/CompilationGuide/MinGW
libhackrf: https://github.com/mossmann/hackrf/tree/master/host

veso266 · 2017-09-14T16:26:57Z

Thanks for instructions

after installing Fedora 26 64 Bit into a VM, installing MinGW (and everything that comes with it (I used apper package manager to install everything that had mingw64 in it) and I also installed mingw64-gsl so I got Mingw version of pkg-config

then I compiled this version of libhackrf (I didn't use the latest version because it has hackrf_sweep which requires FFTW3 and I could not compile it) (which version of libhackrf did you used for development?) with MinGW per instructions: https://github.com/mossmann/hackrf/releases/download/v2015.07.2/hackrf-2015.07.2.tar.xz
and found ffmpeg libs for windows online: https://ffmpeg.zeranoe.com/builds/win64/dev/ffmpeg-20170913-ec1573f-win64-dev.zip

then I just setted PKG_CONFIG_PATH variable to my pkg-config files and proceded to compile hacktv
it went well (some warnings in ffmpeg.c) until it hitted hackrf.c part where it started to complain

[mitja@localhost hacktv]$ make
x86_64-w64-mingw32-gcc -g -Wall -pthread -O3 `mingw64-pkg-config --cflags libavcodec libavformat libswscale libswresample libavutil` `mingw64-pkg-config --cflags libhackrf` -c hacktv.c -o hacktv.o
x86_64-w64-mingw32-gcc -g -Wall -pthread -O3 `mingw64-pkg-config --cflags libavcodec libavformat libswscale libswresample libavutil` `mingw64-pkg-config --cflags libhackrf` -c video.c -o video.o
video.c: In function 'vid_next_line':
video.c:1046:30: warning: 'lut_b' may be used uninitialized in this function [-Wmaybe-uninitialized]
    s->output[x * 2] += (lut_b[x] * s->burst_level) >> 16;
                              ^
video.c:972:8: warning: 'seq' may be used uninitialized in this function [-Wmaybe-uninitialized]
  if(seq[0] == 'v') w = s->vsync_short_width;
     ~~~^~~
x86_64-w64-mingw32-gcc -g -Wall -pthread -O3 `mingw64-pkg-config --cflags libavcodec libavformat libswscale libswresample libavutil` `mingw64-pkg-config --cflags libhackrf` -c videocrypt.c -o videocrypt.o
x86_64-w64-mingw32-gcc -g -Wall -pthread -O3 `mingw64-pkg-config --cflags libavcodec libavformat libswscale libswresample libavutil` `mingw64-pkg-config --cflags libhackrf` -c nicam728.c -o nicam728.o
x86_64-w64-mingw32-gcc -g -Wall -pthread -O3 `mingw64-pkg-config --cflags libavcodec libavformat libswscale libswresample libavutil` `mingw64-pkg-config --cflags libhackrf` -c test.c -o test.o
x86_64-w64-mingw32-gcc -g -Wall -pthread -O3 `mingw64-pkg-config --cflags libavcodec libavformat libswscale libswresample libavutil` `mingw64-pkg-config --cflags libhackrf` -c ffmpeg.c -o ffmpeg.o
ffmpeg.c: In function '_av_ffmpeg_read_video':
ffmpeg.c:142:3: warning: 'avcodec_decode_video2' is deprecated [-Wdeprecated-declarations]
   avcodec_decode_video2(av->video_codec_ctx, av->frame, &i, &packet);
   ^~~~~~~~~~~~~~~~~~~~~
In file included from ffmpeg.c:18:0:
includes/libavcodec/avcodec.h:4971:5: note: declared here
 int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
     ^~~~~~~~~~~~~~~~~~~~~
ffmpeg.c: In function '_av_ffmpeg_read_audio':
ffmpeg.c:190:3: warning: 'avcodec_decode_audio4' is deprecated [-Wdeprecated-declarations]
   avcodec_decode_audio4(av->audio_codec_ctx, av->frame, &i, &packet);
   ^~~~~~~~~~~~~~~~~~~~~
In file included from ffmpeg.c:18:0:
includes/libavcodec/avcodec.h:4922:5: note: declared here
 int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame,
     ^~~~~~~~~~~~~~~~~~~~~
ffmpeg.c:205:10: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types]
    frame = av->frame_s16[0];
          ^
ffmpeg.c: In function 'av_ffmpeg_open':
ffmpeg.c:275:3: warning: 'codec' is deprecated [-Wdeprecated-declarations]
   if(av->video_stream == NULL && av->format_ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO)
   ^~
In file included from ffmpeg.c:19:0:
includes/libavformat/avformat.h:893:21: note: declared here
     AVCodecContext *codec;
                     ^~~~~
ffmpeg.c:280:3: warning: 'codec' is deprecated [-Wdeprecated-declarations]
   if(av->audio_stream == NULL && av->format_ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
   ^~
In file included from ffmpeg.c:19:0:
includes/libavformat/avformat.h:893:21: note: declared here
     AVCodecContext *codec;
                     ^~~~~
ffmpeg.c:295:2: warning: 'codec' is deprecated [-Wdeprecated-declarations]
  av->video_codec_ctx = av->video_stream->codec;
  ^~
In file included from ffmpeg.c:19:0:
includes/libavformat/avformat.h:893:21: note: declared here
     AVCodecContext *codec;
                     ^~~~~
ffmpeg.c:325:2: warning: 'avpicture_get_size' is deprecated [-Wdeprecated-declarations]
  len = avpicture_get_size(AV_PIX_FMT_RGB32, s->active_width, s->conf.active_lines);
  ^~~
In file included from ffmpeg.c:18:0:
includes/libavcodec/avcodec.h:5631:5: note: declared here
 int avpicture_get_size(enum AVPixelFormat pix_fmt, int width, int height);
     ^~~~~~~~~~~~~~~~~~
ffmpeg.c:336:2: warning: 'avpicture_fill' is deprecated [-Wdeprecated-declarations]
  avpicture_fill((AVPicture *) av->frame_rgb, buffer, AV_PIX_FMT_RGB32, s->active_width, s->conf.active_lines);
  ^~~~~~~~~~~~~~
In file included from ffmpeg.c:18:0:
includes/libavcodec/avcodec.h:5616:5: note: declared here
 int avpicture_fill(AVPicture *picture, const uint8_t *ptr,
     ^~~~~~~~~~~~~~
ffmpeg.c:357:3: warning: 'codec' is deprecated [-Wdeprecated-declarations]
   av->audio_codec_ctx = av->audio_stream->codec;
   ^~
In file included from ffmpeg.c:19:0:
includes/libavformat/avformat.h:893:21: note: declared here
     AVCodecContext *codec;
                     ^~~~~
x86_64-w64-mingw32-gcc -g -Wall -pthread -O3 `mingw64-pkg-config --cflags libavcodec libavformat libswscale libswresample libavutil` `mingw64-pkg-config --cflags libhackrf` -c hackrf.c -o hackrf.o
hackrf.c:207:12: error: conflicting types for '_write'
 static int _write(void *private, int16_t *iq_data, size_t samples)
            ^~~~~~
In file included from /usr/x86_64-w64-mingw32/sys-root/mingw/include/unistd.h:10:0,
                 from hackrf.c:23:
/usr/x86_64-w64-mingw32/sys-root/mingw/include/io.h:225:23: note: previous declaration of '_write' was here
   _CRTIMP int __cdecl _write(int _FileHandle,const void *_Buf,unsigned int _MaxCharCount);
                       ^~~~~~
hackrf.c:232:12: error: conflicting types for '_close'
 static int _close(void *private)
            ^~~~~~
In file included from /usr/x86_64-w64-mingw32/sys-root/mingw/include/unistd.h:10:0,
                 from hackrf.c:23:
/usr/x86_64-w64-mingw32/sys-root/mingw/include/io.h:192:23: note: previous declaration of '_close' was here
   _CRTIMP int __cdecl _close(int _FileHandle);
                       ^~~~~~
make: *** [Makefile:20: hackrf.o] Error 1

and here is hacktv I tried to compile: http://upload.dxing.si/server/php/files/hacktv.7z
I modified MakeFile (changed compiler (gcc to x86_64-w64-mingw32-gcc and pkg-config to mingw64-pkg-config), hackrf.c (changed #include <libhackrf/hackrf.h> to #include "includes/libhackrf/hackrf.h" (PS: what's the diference if you include some header files with <> or with "" (because if I tried to include hackrf.h with <> compiler complained that it can't find hackrf.h)), ffmpeg.c (replaced #include <> with "" (because compiler complained otherwise)

Thanks for Anwsering and Best Regards
BTW: when running
x86_64-w64-mingw32-gcc -v I get this version:

[mitja@localhost hacktv]$ x86_64-w64-mingw32-gcc -v
Using built-in specs.
COLLECT_GCC=x86_64-w64-mingw32-gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-w64-mingw32/7.2.0/lto-wrapper
Target: x86_64-w64-mingw32
Configured with: ../configure --prefix=/usr --bindir=/usr/bin --includedir=/usr/include --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu --with-gnu-as --with-gnu-ld --verbose --without-newlib --disable-multilib --disable-plugin --with-system-zlib --disable-nls --without-included-gettext --disable-win32-registry --enable-languages=c,c++,objc,obj-c++,fortran --with-bugurl=http://bugzilla.redhat.com/bugzilla --with-cloog --enable-threads=posix --enable-libgomp --target=x86_64-w64-mingw32 --with-sysroot=/usr/x86_64-w64-mingw32/sys-root --with-gxx-include-dir=/usr/x86_64-w64-mingw32/sys-root/mingw/include/c++
Thread model: posix
gcc version 7.2.0 20170814 (Fedora MinGW 7.2.0-1.fc26) (GCC)

and when running normal gcc version check with gcc -v I get a bit older version:

[mitja@localhost hacktv]$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/7/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-redhat-linux
Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared --enable-threads=posix --enable-checking=release --enable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl --enable-libmpx --enable-offload-targets=nvptx-none --without-cuda-driver --enable-gnu-indirect-function --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux
Thread model: posix
gcc version 7.1.1 20170622 (Red Hat 7.1.1-3) (GCC)

so maybe my compiler is too new but that's strange that minor difference between compilers would break code

veso266 · 2018-06-15T11:50:22Z

well after learning a bit of c 😄 and a few month later I tried again and it finaly compiled (just had to rename _write and _close to something else (_writeRF and _closeRF) as they were already declared with that name in io.h and unistd.h in MinGW)

also have to change gmtime_r to gmtime_s in teletext.c because windows doesn't have gmtime_r
https://stackoverflow.com/questions/19051762/difference-between-gmtime-r-and-gmtime-s

I feel souch and idiot right now (because I complained about simple stuff) but at least I learned something new 😄

veso266 mentioned this issue Apr 27, 2018

Wishlist: add hacktv to build pothosware/PothosSDR#52

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veso266 closed this as completed Jun 15, 2018

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can't compile it for windows on linux #4

can't compile it for windows on linux #4

veso266 commented Aug 27, 2017 •

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fsphil commented Aug 27, 2017

veso266 commented Aug 29, 2017

fsphil commented Sep 6, 2017

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veso266 commented Sep 14, 2017 •

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veso266 commented Jun 15, 2018

can't compile it for windows on linux #4

can't compile it for windows on linux #4

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veso266 commented Jun 15, 2018

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veso266 commented Sep 14, 2017 •

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