-- The C compiler identification is GNU 8.2.1
-- The CXX compiler identification is GNU 8.2.1
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Allowing GCC/Clang to use SSE instructions
-- Found PkgConfig: /usr/bin/pkg-config (found version "1.5.4") 
-- Check if the system is big endian
-- Searching 16 bit integer
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stddef.h
-- Looking for stddef.h - found
-- Check size of unsigned short
-- Check size of unsigned short - done
-- Using unsigned short
-- Check if the system is big endian - little endian
-- Looking for include file dirent.h
-- Looking for include file dirent.h - found
-- Looking for include file inttypes.h
-- Looking for include file inttypes.h - found
-- Looking for include file linux/input.h
-- Looking for include file linux/input.h - found
-- Looking for include file stdbool.h
-- Looking for include file stdbool.h - found
-- Looking for include file stdint.h
-- Looking for include file stdint.h - found
-- Looking for include file sys/io.h
-- Looking for include file sys/io.h - found
-- Looking for include file sys/stat.h
-- Looking for include file sys/stat.h - found
-- Looking for include file sys/time.h
-- Looking for include file sys/time.h - found
-- Looking for include file time.h
-- Looking for include file time.h - found
-- Looking for include file sys/utsname.h
-- Looking for include file sys/utsname.h - found
-- Looking for include file sys/types.h
-- Looking for include file sys/types.h - found
-- Looking for include file soundcard.h
-- Looking for include file soundcard.h - not found
-- Looking for include file sys/soundcard.h
-- Looking for include file sys/soundcard.h - found
-- Looking for include file machine/soundcard.h
-- Looking for include file machine/soundcard.h - not found
-- Looking for include file linux/soundcard.h
-- Looking for include file linux/soundcard.h - found
-- Looking for include file libkern/OSAtomic.h
-- Looking for include file libkern/OSAtomic.h - not found
-- Looking for include file sys/inotify.h
-- Looking for include file sys/inotify.h - found
-- Looking for include file sal.h
-- Looking for include file sal.h - not found
-- Looking for getexecname
-- Looking for getexecname - not found
-- Looking for mkstemp
-- Looking for mkstemp - found
-- Looking for mmap
-- Looking for mmap - found
-- Looking for mprotect
-- Looking for mprotect - found
-- Looking for sched_yield
-- Looking for sched_yield - found
-- Looking for sysconf
-- Looking for sysconf - found
-- Looking for fseeko
-- Looking for fseeko - found
-- Looking for ftello
-- Looking for ftello - found
-- Looking for strerror_r
-- Looking for strerror_r - found
-- Looking for strerror_s
-- Looking for strerror_s - not found
-- Check size of _Bool
-- Check size of _Bool - done
-- Performing Test ALLEGRO_HAVE_PROCFS_ARGCV
-- Performing Test ALLEGRO_HAVE_PROCFS_ARGCV - Failed
-- Performing Test ALLEGRO_HAVE_SV_PROCFS_H
-- Performing Test ALLEGRO_HAVE_SV_PROCFS_H - Failed
-- Performing Test ALLEGRO_HAVE_VA_COPY
-- Performing Test ALLEGRO_HAVE_VA_COPY - Success
-- Found OpenGL: /usr/lib/libOpenGL.so   
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - not found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE  
-- Looking for XOpenDisplay in /usr/lib/libX11.so;/usr/lib/libXext.so
-- Looking for XOpenDisplay in /usr/lib/libX11.so;/usr/lib/libXext.so - found
-- Looking for gethostbyname
-- Looking for gethostbyname - found
-- Looking for connect
-- Looking for connect - found
-- Looking for remove
-- Looking for remove - found
-- Looking for shmat
-- Looking for shmat - found
-- Looking for IceConnectionNumber in ICE
-- Looking for IceConnectionNumber in ICE - found
-- Found X11: /usr/lib/libX11.so
-- Looking for XcursorImageCreate in Xcursor
-- Looking for XcursorImageCreate in Xcursor - found
-- Looking for XpmCreatePixmapFromData in Xpm
-- Looking for XpmCreatePixmapFromData in Xpm - found
-- Looking for X11/extensions/XInput2.h
-- Looking for X11/extensions/XInput2.h - found
-- Performing Test XINPUT2_COMPILES
-- Performing Test XINPUT2_COMPILES - Success
-- Looking for X11/extensions/xf86vmode.h
-- Looking for X11/extensions/xf86vmode.h - not found
-- Looking for XF86VidModeQueryExtension in Xxf86vm
-- Looking for XF86VidModeQueryExtension in Xxf86vm - found
-- Looking for X11/extensions/Xinerama.h
-- Looking for X11/extensions/Xinerama.h - found
-- Looking for XineramaQueryExtension in Xinerama
-- Looking for XineramaQueryExtension in Xinerama - found
-- Looking for X11/extensions/Xrandr.h
-- Looking for X11/extensions/Xrandr.h - found
-- Looking for XRRQueryExtension in Xrandr
-- Looking for XRRQueryExtension in Xrandr - found
-- Looking for XOpenIM in X11
-- Looking for XOpenIM in X11 - found
-- Found ZLIB: /usr/lib/libz.so (found version "1.2.11") 
-- Found PNG: /usr/lib/libpng.so (found version "1.6.35") 
-- Found JPEG: /usr/lib/libjpeg.so (found version "80") 
-- Found WebP: /usr/include  
-- Performing Test OSS_COMPILES
-- Performing Test OSS_COMPILES - Success
-- Found OSS: 1  
-- Checking for module 'libpulse-simple'
--   Found libpulse-simple, version 12.2
-- Performing Test PULSEAUDIO_COMPILES
-- Performing Test PULSEAUDIO_COMPILES - Success
-- Checking for module 'alsa'
--   Found alsa, version 1.1.7
-- Found OpenAL: /usr/lib/libopenal.so  
-- Could NOT find OPENSL (missing: OPENSL_INCLUDE_DIR OPENSL_LIBRARY) 
-- Found FLAC: /usr/include  
-- Performing Test FLAC_COMPILES
-- Performing Test FLAC_COMPILES - Success
-- Found DUMB: /usr/include  
-- Performing Test DUMB_COMPILES
-- Performing Test DUMB_COMPILES - Success
-- Found OGG: /usr/include  
-- Found VORBIS: /usr/include  
-- Performing Test VORBIS_COMPILES
-- Performing Test VORBIS_COMPILES - Success
-- Found OPUS: /usr/include/opus  
-- Performing Test OPUS_COMPILES
-- Performing Test OPUS_COMPILES - Success
-- Found Freetype: /usr/lib/libfreetype.so (found version "2.9.1") 
-- Performing Test TTF_COMPILES
-- Performing Test TTF_COMPILES - Success
-- Found PhysFS: /usr/lib/libphysfs.so  
-- Found PHYSFS: /usr/lib/libphysfs.so  
-- Performing Test PHYSFS_IMPLICIT_ZLIB
-- Performing Test PHYSFS_IMPLICIT_ZLIB - Success
-- Checking for module 'gtk+-2.0'
--   Found gtk+-2.0, version 2.24.32
-- Checking for module 'gthread-2.0'
--   Found gthread-2.0, version 2.58.1
-- Found THEORA: /usr/include  
-- Could NOT find ENET (missing: ENET_INCLUDE_DIR ENET_LIBRARY) 
-- Could NOT find LATEX (missing: LATEX_COMPILER) 
-- Checking Pandoc version
-- Configuring done
-- Generating done
-- Build files have been written to: /home/Rafa/src/allegro/src/build
[1/760] Building C object CMakeFiles/allegro.dir/src/bitmap_lock.c.o
[2/760] Building C object CMakeFiles/allegro.dir/src/allegro.c.o
[3/760] Building C object CMakeFiles/allegro.dir/src/bitmap_io.c.o
[4/760] Building C object CMakeFiles/allegro.dir/src/bitmap_draw.c.o
[5/760] Building C object CMakeFiles/allegro.dir/src/blenders.c.o
[6/760] Building C object CMakeFiles/allegro.dir/src/bitmap_type.c.o
[7/760] Building C object CMakeFiles/allegro.dir/src/clipboard.c.o
[8/760] Building C object CMakeFiles/allegro.dir/src/bitmap.c.o
[9/760] Building C object CMakeFiles/allegro.dir/src/cpu.c.o
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[13/760] Building C object CMakeFiles/allegro.dir/src/config.c.o
[14/760] Building C object CMakeFiles/allegro.dir/src/dtor.c.o
[15/760] Building C object CMakeFiles/allegro.dir/src/display.c.o
[16/760] Building C object CMakeFiles/allegro.dir/src/display_settings.c.o
/home/Rafa/src/allegro/src/allegro5/src/display_settings.c: In function ‘_al_set_color_components’:
/home/Rafa/src/allegro/src/allegro5/src/display_settings.c:888:10: warning: this statement may fall through [-Wimplicit-fallthrough=]
          al_set_new_display_option(ALLEGRO_RED_SHIFT,   0, importance);
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/Rafa/src/allegro/src/allegro5/src/display_settings.c:889:7: note: here
       case ALLEGRO_PIXEL_FORMAT_RGBA_4444:
       ^~~~
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[33/760] Building C object CMakeFiles/allegro.dir/src/memdraw.c.o
[34/760] Building C object CMakeFiles/allegro.dir/src/mousenu.c.o
[35/760] Building C object CMakeFiles/allegro.dir/src/memory.c.o
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[37/760] Building C object CMakeFiles/allegro.dir/src/mouse_cursor.c.o
[38/760] Building C object CMakeFiles/allegro.dir/src/pixels.c.o
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[45/760] Building C object CMakeFiles/allegro.dir/src/transformations.c.o
[46/760] Building C object CMakeFiles/allegro.dir/src/misc/aatree.c.o
[47/760] Building C object CMakeFiles/allegro.dir/src/utf8.c.o
[48/760] Building C object CMakeFiles/allegro.dir/src/misc/vector.c.o
[49/760] Building C object CMakeFiles/allegro.dir/src/misc/list.c.o
[50/760] Building C object CMakeFiles/allegro.dir/src/unix/udrvlist.c.o
[51/760] Building C object CMakeFiles/allegro.dir/src/unix/ugfxdrv.c.o
[52/760] Building C object CMakeFiles/allegro.dir/src/tls.c.o
[53/760] Building C object CMakeFiles/allegro.dir/src/unix/ujoydrv.c.o
[54/760] Building C object CMakeFiles/allegro.dir/src/unix/ukeybd.c.o
[55/760] Building C object CMakeFiles/allegro.dir/src/unix/uhapdrv.c.o
[56/760] Building C object CMakeFiles/allegro.dir/src/unix/ufdwatch.c.o
[57/760] Building C object CMakeFiles/allegro.dir/src/unix/umouse.c.o
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[60/760] Building C object CMakeFiles/allegro.dir/src/unix/upath.c.o
[61/760] Building C object CMakeFiles/allegro.dir/src/x/xclipboard.c.o
[62/760] Building C object CMakeFiles/allegro.dir/src/x/xevents.c.o
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[64/760] Building C object CMakeFiles/allegro.dir/src/misc/bstrlib.c.o
[65/760] Building C object CMakeFiles/allegro.dir/src/x/xglx_config.c.o
FAILED: CMakeFiles/allegro.dir/src/x/xglx_config.c.o 
/usr/bin/cc -Dallegro_EXPORTS -I/home/Rafa/src/allegro/src/allegro5/include -Iinclude -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -fno-plt -msse -W -Wall -Wpointer-arith -Wmissing-declarations -Wstrict-prototypes -Wmissing-prototypes -O3 -DNDEBUG -fPIC    -DALLEGRO_SRC  -DALLEGRO_LIB_BUILD -MD -MT CMakeFiles/allegro.dir/src/x/xglx_config.c.o -MF CMakeFiles/allegro.dir/src/x/xglx_config.c.o.d -o CMakeFiles/allegro.dir/src/x/xglx_config.c.o   -c /home/Rafa/src/allegro/src/allegro5/src/x/xglx_config.c
/home/Rafa/src/allegro/src/allegro5/src/x/xglx_config.c: In function ‘create_context_new’:
/home/Rafa/src/allegro/src/allegro5/src/x/xglx_config.c:495:42: error: ‘glXCreateContextAttribsARB’ undeclared (first use in this function); did you mean ‘_xglx_glXCreateContextAttribsARB’?
       _xglx_glXCreateContextAttribsARB = glXCreateContextAttribsARB;
                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~
                                          _xglx_glXCreateContextAttribsARB
/home/Rafa/src/allegro/src/allegro5/src/x/xglx_config.c:495:42: note: each undeclared identifier is reported only once for each function it appears in
[66/760] Building C object CMakeFiles/allegro.dir/src/x/xfullscreen.c.o
[67/760] Building C object CMakeFiles/allegro.dir/src/x/xdisplay.c.o
/home/Rafa/src/allegro/src/allegro5/src/x/xdisplay.c: In function ‘xdpy_swap_control’:
/home/Rafa/src/allegro/src/allegro5/src/x/xdisplay.c:118:14: warning: implicit declaration of function ‘glXSwapIntervalSGI’ [-Wimplicit-function-declaration]
          if (glXSwapIntervalSGI(x)) {
              ^~~~~~~~~~~~~~~~~~
/home/Rafa/src/allegro/src/allegro5/src/x/xdisplay.c: In function ‘xdpy_wait_for_vsync’:
/home/Rafa/src/allegro/src/allegro5/src/x/xdisplay.c:1366:7: warning: implicit declaration of function ‘glXGetVideoSyncSGI’; did you mean ‘glXGetVideoInfoNV’? [-Wimplicit-function-declaration]
       glXGetVideoSyncSGI(&count);
       ^~~~~~~~~~~~~~~~~~
       glXGetVideoInfoNV
/home/Rafa/src/allegro/src/allegro5/src/x/xdisplay.c:1367:7: warning: implicit declaration of function ‘glXWaitVideoSyncSGI’; did you mean ‘glXGetVideoInfoNV’? [-Wimplicit-function-declaration]
       glXWaitVideoSyncSGI(2, (count+1) & 1, &count);
       ^~~~~~~~~~~~~~~~~~~
       glXGetVideoInfoNV
[68/760] Building C object CMakeFiles/allegro.dir/src/x/xkeyboard.c.o
[69/760] Building C object CMakeFiles/allegro.dir/src/tri_soft.c.o
[70/760] Building C object CMakeFiles/allegro.dir/src/convert.c.o
ninja: build stopped: subcommand failed.