[ewg] OFED-1.4.1-rc1 compilation fails on RHEL5.2 32-bit

[Vladimir Sokolovsky]

Hi Jon,

nfsrdma backport headers (atomic.h) break OFED's kernel compilation on 
RHEL5.2 32-bit:
See kernel_addons/backport/2.6.9_U7/include/asm/atomic.h as an example.


  gcc -m32 
-Wp,-MD,/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/drivers/infiniband/core/.addr.o.d  
-nostdinc -isystem /usr/lib/gcc/i386-redhat-linux/4.1.2/include 
-D__KERNEL__ \
-include include/linux/autoconf.h \
-include 
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/include/linux/autoconf.h \
-I/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/ 
\
 \
 \
-I/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/include \
-I/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/drivers/infiniband/debug \
-I/usr/local/include/scst \
-I/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/drivers/infiniband/ulp/srpt \
-I/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/drivers/net/cxgb3 \
-Iinclude \
 \
-I/usr/src/kernels/2.6.18-92.el5-i686/arch/i386/include \
  -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing 
-fno-common -Wstrict-prototypes -Wundef 
-Werror-implicit-function-declaration -Os -pipe -msoft-float 
-fno-builtin-sprintf -fno-builtin-log2 -fno-builtin-puts  
-mpreferred-stack-boundary=2  -march=i686 -mtune=generic -mtune=generic 
-mregparm=3 -ffreestanding -Iinclude/asm-i386/mach-generic 
-Iinclude/asm-i386/mach-default -fomit-frame-pointer -g  
-fno-stack-protector -Wdeclaration-after-statement -Wno-pointer-sign   
-DMODULE -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(addr)"  
-D"KBUILD_MODNAME=KBUILD_STR(ib_addr)" -c -o 
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/drivers/infiniband/core/.tmp_addr.o 
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/drivers/infiniband/core/addr.c
In file included from include/asm/atomic.h:256,
                 from include/linux/mutex.h:18,
                 from 
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/drivers/infiniband/core/addr.c:36:
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h: 
In function 'atomic_long_inc_return':
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h:8: 
error: 'atomic64_t' undeclared (first use in this function)
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h:8: 
error: (Each undeclared identifier is reported only once
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h:8: 
error: for each function it appears in.)
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h:8: 
error: 'v' undeclared (first use in this function)
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h:8: 
error: expected expression before ')' token
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h:10: 
error: implicit declaration of function 'atomic64_inc_return'
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h: 
In function 'atomic_long_dec_return':
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h:15: 
error: 'atomic64_t' undeclared (first use in this function)
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h:15: 
error: 'v' undeclared (first use in this function)
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h:15: 
error: expected expression before ')' token
/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/kernel_addons/backport/2.6.18-EL5.2/include/asm-generic/atomic.h:17: 
error: implicit declaration of function 'atomic64_dec_return'
make[4]: *** 
[/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/drivers/infiniband/core/addr.o] 
Error 1
make[3]: *** 
[/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/drivers/infiniband/core] Error 2
make[2]: *** 
[/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4/drivers/infiniband] Error 2
make[1]: *** [_module_/var/tmp/OFED_topdir/BUILD/ofa_kernel-1.4] Error 2
make[1]: Leaving directory `/usr/src/kernels/2.6.18-92.el5-i686'
make: *** [kernel] Error 2

Regards,
Vladimir