Global: don't use __has_include

It reports false results in ubuntu 20.04. Details unknown.

src/common/init.c

@@ -173,94 +173,94 @@ void ffDestroyInstance(void)
 void ffListFeatures(void)
 {
     fputs(
-        #ifdef FF_HAVE_THREADS
+        #if FF_HAVE_THREADS
             "threads\n"
         #endif
-        #ifdef FF_HAVE_VULKAN
+        #if FF_HAVE_VULKAN
             "vulkan\n"
         #endif
-        #ifdef FF_HAVE_WAYLAND
+        #if FF_HAVE_WAYLAND
             "wayland\n"
         #endif
-        #ifdef FF_HAVE_XCB_RANDR
+        #if FF_HAVE_XCB_RANDR
             "xcb-randr\n"
         #endif
-        #ifdef FF_HAVE_XCB
+        #if FF_HAVE_XCB
             "xcb\n"
         #endif
-        #ifdef FF_HAVE_XRANDR
+        #if FF_HAVE_XRANDR
             "xrandr\n"
         #endif
-        #ifdef FF_HAVE_X11
+        #if FF_HAVE_X11
             "x11\n"
         #endif
-        #ifdef FF_HAVE_DRM
+        #if FF_HAVE_DRM
             "drm\n"
         #endif
-        #ifdef FF_HAVE_GIO
+        #if FF_HAVE_GIO
             "gio\n"
         #endif
-        #ifdef FF_HAVE_DCONF
+        #if FF_HAVE_DCONF
             "dconf\n"
         #endif
-        #ifdef FF_HAVE_DBUS
+        #if FF_HAVE_DBUS
             "dbus\n"
         #endif
-        #ifdef FF_HAVE_IMAGEMAGICK7
+        #if FF_HAVE_IMAGEMAGICK7
             "imagemagick7\n"
         #endif
-        #ifdef FF_HAVE_IMAGEMAGICK6
+        #if FF_HAVE_IMAGEMAGICK6
             "imagemagick6\n"
         #endif
-        #ifdef FF_HAVE_CHAFA
+        #if FF_HAVE_CHAFA
             "chafa\n"
         #endif
-        #ifdef FF_HAVE_ZLIB
+        #if FF_HAVE_ZLIB
             "zlib\n"
         #endif
-        #ifdef FF_HAVE_XFCONF
+        #if FF_HAVE_XFCONF
             "xfconf\n"
         #endif
-        #ifdef FF_HAVE_SQLITE3
+        #if FF_HAVE_SQLITE3
             "sqlite3\n"
         #endif
-        #ifdef FF_HAVE_RPM
+        #if FF_HAVE_RPM
             "rpm\n"
         #endif
-        #ifdef FF_HAVE_EGL
+        #if FF_HAVE_EGL
             "egl\n"
         #endif
-        #ifdef FF_HAVE_GLX
+        #if FF_HAVE_GLX
             "glx\n"
         #endif
-        #ifdef FF_HAVE_OSMESA
+        #if FF_HAVE_OSMESA
             "osmesa\n"
         #endif
-        #ifdef FF_HAVE_OPENCL
+        #if FF_HAVE_OPENCL
             "opencl\n"
         #endif
-        #ifdef FF_HAVE_FREETYPE
+        #if FF_HAVE_FREETYPE
             "freetype\n"
         #endif
-        #ifdef FF_HAVE_PULSE
+        #if FF_HAVE_PULSE
             "libpulse\n"
         #endif
-        #ifdef FF_HAVE_LIBNM
+        #if FF_HAVE_LIBNM
             "libnm\n"
         #endif
-        #ifdef FF_HAVE_DDCUTIL
+        #if FF_HAVE_DDCUTIL
             "libddcutil\n"
         #endif
-        #ifdef FF_HAVE_DIRECTX_HEADERS
+        #if FF_HAVE_DIRECTX_HEADERS
             "Directx Headers\n"
         #endif
-        #ifdef FF_USE_SYSTEM_YYJSON
+        #if FF_USE_SYSTEM_YYJSON
             "System yyjson\n"
         #endif
-        #if __has_include(<linux/videodev2.h>)
+        #if FF_HAVE_LINUX_VIDEODEV2
             "linux/videodev2\n"
         #endif
-        #if __has_include(<linux/wireless.h>)
+        #if FF_HAVE_LINUX_WIRELESS
             "linux/wireless\n"
         #endif
         ""

src/common/io/io_unix.c

@@ -8,8 +8,10 @@
 #include <dirent.h>
 #include <errno.h>
 
-#if __has_include(<wordexp.h>)
-#include <wordexp.h>
+#if FF_HAVE_WORDEXP
+    #include <wordexp.h>
+#else
+    #warning "<wordexp.h> not available"
 #endif
 
 static void createSubfolders(const char* fileName)
@@ -112,7 +114,7 @@ bool ffPathExpandEnv(FF_MAYBE_UNUSED const char* in, FF_MAYBE_UNUSED FFstrbuf* o
 {
     bool result = false;
 
-    #if __has_include(<wordexp.h>) // https://github.com/termux/termux-packages/pull/7056
+    #if FF_HAVE_WORDEXP // https://github.com/termux/termux-packages/pull/7056
 
     wordexp_t exp;
     if(wordexp(in, &exp, 0) != 0)

src/common/thread.h

@@ -33,7 +33,7 @@
     #else
         #include <pthread.h>
         #include <signal.h>
-        #if __has_include(<pthread_np.h>)
+        #if FF_HAVE_PTHREAD_NP
             #include <pthread_np.h>
         #endif
         #define FF_THREAD_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
@@ -51,7 +51,7 @@
         static inline void ffThreadDetach(FFThreadType thread) { pthread_detach(thread); }
         static inline bool ffThreadJoin(FFThreadType thread, FF_MAYBE_UNUSED uint32_t timeout)
         {
-            #if (defined(__linux__) && !defined(__ANDROID__)) || __has_include(<pthread_np.h>)
+            #if HAVE_TIMEDJOIN_NP
                 if (timeout > 0)
                 {
                     struct timespec ts;