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libxxf86dga: fix compilation with x32 toolchain

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Fix type conversion for x32. For x32 the off_t is 64bit and pointers are
32bit.
so the conversion of pointer to off_t was resulting into this error:

| XF86DGA2.c:931:24: error: cast from pointer to integer of different
size [-Werror=pointer-to-int-cast]
| cc1: some warnings being treated as errors
|
| make[2]: *** [XF86DGA2.lo] Error 1

Fixed it by typecasting pointer into unsigned long 1st and then again
typecasting unsigned long to off_t.

(From OE-Core rev: 644aaa87a0e161f8a37267f13d4a18f6dfcd9a4f)

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Nitin A Kamble
2012-01-04 14:28:43 -08:00
committed by Richard Purdie
parent 468998cddb
commit f1e58216fa
2 changed files with 34 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
meta/recipes-graphics/xorg-lib/libxxf86dga/libxxf86dga-1.1.2_fix_for_x32.patch
+30
View File
@@ -0,0 +1,30 @@
Upstream-Status: pending
Fix type conversion for x32. For x32 the off_t is 64bit and pointers are 32bit.
so the conversion of pointer to off_t was resulting into this error:
| XF86DGA2.c:931:24: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
| cc1: some warnings being treated as errors
|
| make[2]: *** [XF86DGA2.lo] Error 1
Fixed it by typecasting pointer into unsigned long 1st and then again typecasting
unsigned long to off_t.
Signed-Off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
2012/01/04
Index: libXxf86dga-1.1.2/src/XF86DGA2.c
===================================================================
--- libXxf86dga-1.1.2.orig/src/XF86DGA2.c 2010-10-06 21:17:11.000000000 -0700
+++ libXxf86dga-1.1.2/src/XF86DGA2.c 2012-01-04 14:21:36.275971172 -0800
@@ -928,7 +928,7 @@ DGAMapPhysical(
if ((pMap->fd = open(name, O_RDWR)) < 0)
return False;
pMap->virtual = mmap(NULL, size, PROT_READ | PROT_WRITE,
- MAP_FILE | MAP_SHARED, pMap->fd, (off_t)base);
+ MAP_FILE | MAP_SHARED, pMap->fd, (off_t)(unsigned long)base);
if (pMap->virtual == (void *)-1)
return False;
mprotect(pMap->virtual, size, PROT_READ | PROT_WRITE);
meta/recipes-graphics/xorg-lib/libxxf86dga_1.1.2.bb
+4 -1
View File
@@ -8,7 +8,10 @@ allows relative mouse reporting, et al. It is mainly used by games and \
emulators for games."
DEPENDS += "libxext xf86dgaproto"
PR = "r1"
PR = "r2"
SRC_URI += "file://libxxf86dga-1.1.2_fix_for_x32.patch"
PE = "1"
XORG_PN = "libXxf86dga"