1 files changed, 54 insertions, 0 deletions
diff --git a/games/doomlegacy/files/patch-sdl+i_system.c b/games/doomlegacy/files/patch-sdl+i_system.c
new file mode 100644
index 000000000000..27bb24d1fd2e
--- /dev/null
+++ b/games/doomlegacy/files/patch-sdl+i_system.c
@@ -0,0 +1,54 @@
+--- sdl/i_system.c.orig
++++ sdl/i_system.c
+@@ -83,10 +83,7 @@
+ #  include <sys/mount.h>
+ /*For meminfo*/
+ #  include <sys/types.h>
+-#  include <kvm.h>
+-#  include <nlist.h>
+-#  include <sys/vmmeter.h>
+-#  include <fcntl.h>
++#  include <sys/sysctl.h>
+ # endif
+ #endif
+ 
+@@ -832,30 +829,16 @@ uint64_t I_GetFreeMem(uint64_t *total)
+   // LINUX covers all the unix-type OS's.
+ 
+ #ifdef FREEBSD
+-    struct  vmmeter sum;
+-    kvm_t *kd;
+-    struct nlist namelist[]= {
+-#define X_SUM   0
+-	{"_cnt"},
+-	{ NULL }
+-    };
+-    if ((kd = kvm_open(NULL, NULL, NULL, O_RDONLY, "kvm_open")) == NULL)
++    unsigned long page_count, free_count, pagesize;
++    size_t len = sizeof(unsigned long);
++    if (sysctlbyname("vm.stats.vm.v_page_count", &page_count, &len, NULL, 0))
+       goto guess;
+-
+-    if (kvm_nlist(kd, namelist) != 0)
+-    {
+-	kvm_close (kd);
+-	goto guess;
+-    }
+-    if (kvm_read(kd,namelist[X_SUM].n_value ,&sum, sizeof(sum)) != sizeof(sum))
+-    {
+-	kvm_close (kd);
+-	goto guess;
+-    }
+-    kvm_close (kd);
+-
+-    *total = sum.v_page_count * sum.v_page_size;
+-    return sum.v_free_count * sum.v_page_size;
++    if (sysctlbyname("vm.stats.vm.v_free_count", &free_count, &len, NULL, 0))
++      goto guess;
++    if (sysctlbyname("hw.pagesize", &pagesize, &len, NULL, 0))
++      goto guess;
++    *total = page_count * pagesize;
++    return free_count * pagesize;
+ #elif defined(SOLARIS)
+     goto guess;
+ #else