Fix build on recent head by removing references to the MAP_NORESERVE

flag to mmap(2). It has never been implemented in FreeBSD and thus
was being ignored before anyway.

No functional change, so no PORTREVISION bump.

PR:	193961 (related)

2 files changed, 40 insertions, 0 deletions

diff --git a/games/0ad/files/patch-source_lib_allocators_page__aligned.cpp b/games/0ad/files/patch-source_lib_allocators_page__aligned.cpp
new file mode 100644
index 000000000000..7a0f148e064f
--- /dev/null
+++ b/games/0ad/files/patch-source_lib_allocators_page__aligned.cpp
@@ -0,0 +1,20 @@
+--- source/lib/allocators/page_aligned.cpp.orig	2011-05-03 12:38:42 UTC
++++ source/lib/allocators/page_aligned.cpp
+@@ -49,7 +49,7 @@ static const int mmap_flags = MAP_PRIVAT
+ Status mem_Reserve(size_t size, u8** pp)
+ {
+ 	errno = 0;
+-	void* ret = mmap(0, size, PROT_NONE, mmap_flags|MAP_NORESERVE, -1, 0);
++	void* ret = mmap(0, size, PROT_NONE, mmap_flags, -1, 0);
+ 	*pp = (u8*)ret;
+ 	return StatusFromMap(ret);
+ }
+@@ -76,7 +76,7 @@ Status mem_Commit(u8* p, size_t size, in
+ Status mem_Decommit(u8* p, size_t size)
+ {
+ 	errno = 0;
+-	void* ret = mmap(p, size, PROT_NONE, mmap_flags|MAP_NORESERVE|MAP_FIXED, -1, 0);
++	void* ret = mmap(p, size, PROT_NONE, mmap_flags|MAP_FIXED, -1, 0);
+ 	return StatusFromMap(ret);
+ }
+ 
diff --git a/games/0ad/files/patch-source_lib_sysdep_os_unix_uvm.cpp b/games/0ad/files/patch-source_lib_sysdep_os_unix_uvm.cpp
new file mode 100644
index 000000000000..eb4e0ea33739
--- /dev/null
+++ b/games/0ad/files/patch-source_lib_sysdep_os_unix_uvm.cpp
@@ -0,0 +1,20 @@
+--- source/lib/sysdep/os/unix/uvm.cpp.orig	2013-12-06 00:42:50 UTC
++++ source/lib/sysdep/os/unix/uvm.cpp
+@@ -40,7 +40,7 @@ namespace vm {
+ void* ReserveAddressSpace(size_t size, size_t UNUSED(commitSize), PageType UNUSED(pageType), int UNUSED(prot))
+ {
+ 	errno = 0;
+-	void* p = mmap(0, size, PROT_NONE, mmap_flags|MAP_NORESERVE, -1, 0);
++	void* p = mmap(0, size, PROT_NONE, mmap_flags, -1, 0);
+ 	if(p == MAP_FAILED)
+ 		return 0;
+ 	return p;
+@@ -77,7 +77,7 @@ bool Commit(uintptr_t address, size_t si
+ bool Decommit(uintptr_t address, size_t size)
+ {
+ 	errno = 0;
+-	if(mmap((void*)address, size, PROT_NONE, mmap_flags|MAP_NORESERVE|MAP_FIXED, -1, 0) == MAP_FAILED)
++	if(mmap((void*)address, size, PROT_NONE, mmap_flags|MAP_FIXED, -1, 0) == MAP_FAILED)
+ 		return false;
+ 	return true;
+ }