shithub: dav1d

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detect unistd.h availability

It doesn't exist on MSVC and it's not needed.

--- a/meson.build

+++ b/meson.build

@@ -137,6 +137,10 @@

     cdata.set('HAVE_ALIGNED_MALLOC', 1)

 endif

+if cc.check_header('unistd.h')

+    cdata.set('HAVE_UNISTD_H', 1)

+endif

+

 if (get_option('buildtype') != 'debug' and

     get_option('buildtype') != 'plain')

     add_project_arguments('-fomit-frame-pointer', '-ffast-math',

--- a/tools/dav1d.c

+++ b/tools/dav1d.c

@@ -32,7 +32,9 @@

 #include <math.h>

 #include <stdio.h>

 #include <string.h>

-#include <unistd.h>

+#ifdef HAVE_UNISTD_H

+# include <unistd.h>

+#endif

 #include "dav1d/data.h"

--- a/tools/dav1d_cli_parse.c

+++ b/tools/dav1d_cli_parse.c

@@ -34,7 +34,9 @@

 #include <stdio.h>

 #include <stdlib.h>

 #include <string.h>

-#include <unistd.h>

+#ifdef HAVE_UNISTD_H

+# include <unistd.h>

+#endif

 #include "dav1d_cli_parse.h"