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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1619446
Title:
mismatching headers between powerpc/ppc64el and other archs
Status in linux package in Ubuntu:
Incomplete
Bug description:
the header files from linux-libc-dev are causing repsnapper on
-proposed to FTBFS on powerpc/ppc64el
I tracked it to 2 include clauses:
#include <sys/ioctl.h>
#include <asm/termbits.h>
causing the following error on powerpc/ppc64el builds:
following errors:
src/printer/custom_baud.cpp: In function 'bool set_custom_baudrate(int,
int)':
src/printer/custom_baud.cpp:15:19: error: aggregate
'set_custom_baudrate(int, int)::termios2 options' has incomplete type and
cannot be defined
struct termios2 options;
^
src/printer/custom_baud.cpp:17:26: error: 'TCGETS2' was not declared in
this scope
if ( ioctl( device_fd, TCGETS2, &options ) < 0 ) {
^
src/printer/custom_baud.cpp:27:26: error: 'TCSETS2' was not declared in
this scope
if ( ioctl( device_fd, TCSETS2, &options ) < 0 ) {
Please see bug #1619100 for more info.
Comparing the powerpc/ppc64el headers to amd64 I found that they seem
to be missing includes to other headers under asm-generic/
If I try to add the missing asm-generic headers:
#include <sys/ioctl.h>
#include <asm/termbits.h>
#include <asm-generic/ioctls.h>
#include <asm-generic/termbits.h>
Then the build again fails on both powerpc/ppc64el and succeeds on all
other archs, this time the error is:
In file included from src/printer/custom_baud.cpp:11:0:
/usr/include/asm-generic/termbits.h:11:8: error: redefinition of ‘struct
termios’
struct termios {
^~~~~~~
In file included from src/printer/custom_baud.cpp:9:0:
/usr/include/powerpc-linux-gnu/asm/termbits.h:22:8: error: previous
definition of ‘struct termios’
struct termios {
^~~~~~~
In file included from src/printer/custom_baud.cpp:11:0:
/usr/include/asm-generic/termbits.h:31:8: error: redefinition of ‘struct
ktermios’
struct ktermios {
^~~~~~~~
In file included from src/printer/custom_baud.cpp:9:0:
/usr/include/powerpc-linux-gnu/asm/termbits.h:35:8: error: previous
definition of ‘struct ktermios’
struct ktermios {
^~~~~~~~
Finally, modifying the original includes to remove the asm/termbits.h:
#include <sys/ioctl.h>
#include <asm-generic/ioctls.h>
#include <asm-generic/termbits.h>
Allows for the repsnapper build to succeed on all arches, including
powerpc/ppc64el. Question is: why is this even needed?
linux-libc-dev packages:
Get:10 http://ftpmaster.internal/ubuntu yakkety/main powerpc linux-libc-dev
powerpc 4.4.0-9136.55 [818 kB]
Get:10 http://ftpmaster.internal/ubuntu yakkety/main ppc64el linux-libc-dev
ppc64el 4.4.0-9136.55 [818 kB]
Get:10 http://ftpmaster.internal/ubuntu yakkety/main amd64 linux-libc-dev
amd64 4.4.0-9136.55 [828 kB]
Checking the headers is seems that powerpc/ppc64el are missing
includes for asm-generics:
$ grep -r TCGETS2 linux-libc-dev_4.4.0-9136.55_*/
linux-libc-dev_4.4.0-9136.55_amd64/usr/include/asm-generic/ioctls.h:#define
TCGETS2 _IOR('T', 0x2A, struct termios2)
linux-libc-dev_4.4.0-9136.55_ppc64el/usr/include/asm-generic/ioctls.h:#define
TCGETS2 _IOR('T', 0x2A, struct termios2)
$ grep -r ioctls.h linux-libc-dev_4.4.0-9136.55_*/
linux-libc-dev_4.4.0-9136.55_amd64/usr/include/x86_64-linux-gnu/asm/ioctls.h:#include
<asm-generic/ioctls.h>
linux-libc-dev_4.4.0-9136.55_amd64/usr/include/asm-generic/termios.h:#include
<asm/ioctls.h>
linux-libc-dev_4.4.0-9136.55_ppc64el/usr/include/asm-generic/termios.h:#include
<asm/ioctls.h>
linux-libc-dev_4.4.0-9136.55_ppc64el/usr/include/powerpc64le-linux-gnu/asm/termios.h:#include
<asm/ioctls.h>
$ grep -r "termios2 {" linux-libc-dev_4.4.0-9136.55_*/
linux-libc-dev_4.4.0-9136.55_amd64/usr/include/asm-generic/termbits.h:struct
termios2 {
linux-libc-dev_4.4.0-9136.55_ppc64el/usr/include/asm-generic/termbits.h:struct
termios2 {
$ grep -r termbits.h linux-libc-dev_4.4.0-9136.55_*/
linux-libc-dev_4.4.0-9136.55_amd64/usr/include/x86_64-linux-gnu/asm/termbits.h:#include
<asm-generic/termbits.h>
linux-libc-dev_4.4.0-9136.55_amd64/usr/include/asm-generic/termios.h:#include
<asm/termbits.h>
linux-libc-dev_4.4.0-9136.55_ppc64el/usr/include/asm-generic/termios.h:#include
<asm/termbits.h>
linux-libc-dev_4.4.0-9136.55_ppc64el/usr/include/powerpc64le-linux-gnu/asm/termios.h:#include
<asm/termbits.h>
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