From d7a02bcb3b25a9e3e80e9b80e46a494f97e684a9 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Sat, 2 Dec 2017 23:19:13 +0100
Subject: build: remove POSIX/sysv shared memory test

vo_x11 and vo_xv need this. According to the Linux manpage, all involved
functions are POSIX-2001 anyway. (I just assumed they were not, because
they're mostly System V UNIX legacy garbage.)
---
 video/out/vo_x11.c | 41 +++++++++++++----------------------------
 1 file changed, 13 insertions(+), 28 deletions(-)

(limited to 'video/out/vo_x11.c')

diff --git a/video/out/vo_x11.c b/video/out/vo_x11.c
index dd2d942c9a..f29d06ad16 100644
--- a/video/out/vo_x11.c
+++ b/video/out/vo_x11.c
@@ -37,11 +37,9 @@
 
 #include "x11_common.h"
 
-#if HAVE_SHM
 #include <sys/ipc.h>
 #include <sys/shm.h>
 #include <X11/extensions/XShm.h>
-#endif
 
 #include "sub/osd.h"
 #include "sub/draw_bmp.h"
@@ -79,11 +77,9 @@ struct priv {
     int current_buf;
     bool reset_view;
 
-#if HAVE_SHM
     int Shmem_Flag;
     XShmSegmentInfo Shminfo[2];
     int Shm_Warned_Slow;
-#endif
 };
 
 static bool resize(struct vo *vo);
@@ -91,7 +87,6 @@ static bool resize(struct vo *vo);
 static bool getMyXImage(struct priv *p, int foo)
 {
     struct vo *vo = p->vo;
-#if HAVE_SHM
     if (vo->x11->display_is_local && XShmQueryExtension(vo->x11->display)) {
         p->Shmem_Flag = 1;
         vo->x11->ShmCompletionEvent = XShmGetEventBase(vo->x11->display)
@@ -136,34 +131,29 @@ static bool getMyXImage(struct priv *p, int foo)
     } else {
 shmemerror:
         p->Shmem_Flag = 0;
-#endif
-    MP_VERBOSE(vo, "Not using SHM.\n");
-    p->myximage[foo] =
-        XCreateImage(vo->x11->display, p->vinfo.visual, p->depth, ZPixmap,
-                     0, NULL, p->image_width, p->image_height, 8, 0);
-    if (!p->myximage[foo]) {
-        MP_WARN(vo, "could not allocate image");
-        return false;
+
+        MP_VERBOSE(vo, "Not using SHM.\n");
+        p->myximage[foo] =
+            XCreateImage(vo->x11->display, p->vinfo.visual, p->depth, ZPixmap,
+                         0, NULL, p->image_width, p->image_height, 8, 0);
+        if (!p->myximage[foo]) {
+            MP_WARN(vo, "could not allocate image");
+            return false;
+        }
+        p->myximage[foo]->data =
+            calloc(1, p->myximage[foo]->bytes_per_line * p->image_height + 32);
     }
-    p->myximage[foo]->data =
-        calloc(1, p->myximage[foo]->bytes_per_line * p->image_height + 32);
-#if HAVE_SHM
-}
-#endif
     return true;
 }
 
 static void freeMyXImage(struct priv *p, int foo)
 {
-#if HAVE_SHM
     struct vo *vo = p->vo;
     if (p->Shmem_Flag) {
         XShmDetach(vo->x11->display, &p->Shminfo[foo]);
         XDestroyImage(p->myximage[foo]);
         shmdt(p->Shminfo[foo].shmaddr);
-    } else
-#endif
-    {
+    } else {
         if (p->myximage[foo])
             XDestroyImage(p->myximage[foo]);
     }
@@ -284,15 +274,12 @@ static void Display_Image(struct priv *p, XImage *myximage)
         p->reset_view = false;
     }
 
-#if HAVE_SHM
     if (p->Shmem_Flag) {
         XShmPutImage(vo->x11->display, vo->x11->window, p->gc, x_image,
                      0, 0, p->dst.x0, p->dst.y0, p->dst_w, p->dst_h,
                      True);
         vo->x11->ShmCompletionWaitCount++;
-    } else
-#endif
-    {
+    } else {
         XPutImage(vo->x11->display, vo->x11->window, p->gc, x_image,
                   0, 0, p->dst.x0, p->dst.y0, p->dst_w, p->dst_h);
     }
@@ -312,7 +299,6 @@ static struct mp_image get_x_buffer(struct priv *p, int buf_index)
 
 static void wait_for_completion(struct vo *vo, int max_outstanding)
 {
-#if HAVE_SHM
     struct priv *ctx = vo->priv;
     struct vo_x11_state *x11 = vo->x11;
     if (ctx->Shmem_Flag) {
@@ -326,7 +312,6 @@ static void wait_for_completion(struct vo *vo, int max_outstanding)
             vo_x11_check_events(vo);
         }
     }
-#endif
 }
 
 static void flip_page(struct vo *vo)
-- 
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