[PATCH libdrm v2 4/4] meson.build: Fix meson script on FreeBSD

[Emil Velikov <emil.l.velikov@gmail.com>]

From: Niclas Zeising <zeising@daemonic.se>

FreeBSD requires sys/types.h for sys/sysctl.h, add it as part of the
includes when checking for headers.
Instead of splitting out the check for sys/sysctl.h from the other
header checks, just add sys/types.h to all header checks.

v2 [Emil]
 - add inline comment
 - drop bash/sh hunk

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
---
 meson.build | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index ed407009..14f82b1f 100644
--- a/meson.build
+++ b/meson.build
@@ -179,9 +179,12 @@ else
   dep_rt = []
 endif
 dep_m = cc.find_library('m', required : false)
+# From Niclas Zeising:
+# FreeBSD requires sys/types.h for sys/sysctl.h, add it as part of the
+# includes when checking for headers.
 foreach header : ['sys/sysctl.h', 'sys/select.h', 'alloca.h']
   config.set('HAVE_' + header.underscorify().to_upper(),
-    cc.compiles('#include <@0@>'.format(header), name : '@0@ works'.format(header)))
+    cc.compiles('#include <sys/types.h>\n#include <@0@>'.format(header), name : '@0@ works'.format(header)))
 endforeach
 if cc.has_header_symbol('sys/sysmacros.h', 'major')
   config.set10('MAJOR_IN_SYSMACROS', true)
-- 
2.21.0

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