[Bug 337] New: build breakage for module versioning support

[Bug 337] New: build breakage for module versioning support

[Martin J. Bligh]

http://bugme.osdl.org/show_bug.cgi?id=337

           Summary: build breakage for module versioning support
    Kernel Version: 2.5.60, 2.5.60-bk1
            Status: NEW
          Severity: normal
             Owner: bugme-janitors@lists.osdl.org
         Submitter: john@larvalstage.com


Exact Kernel version:  2.5.60, 2.5.60-bk1
Distribution:  Gentoo 1.4rc2
Hardware Environment:  Abit KG7-RAID, AMD Athlon TBird 1.4, 512MB DDR,
Geforce 3 Software Environment:  gcc 3.2.1, glibc 2.3.1, ld 2.13.90.0.16
Problem Description:

Enabling module versioning support causes build breakage.

  gcc -Wp,-MD,arch/i386/kernel/.time.o.d -D__KERNEL__ -Iinclude -Wall
-Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common
-pipe -mpreferred-stack-boundary=2 -march=athlon
-Iinclude/asm-i386/mach-default -nostdinc -iwithprefix include
-DKBUILD_BASENAME=time -DKBUILD_MODNAME=time -c -o
arch/i386/kernel/.tmp_time.o arch/i386/kernel/time.c
ld:arch/i386/kernel/.tmp_time.ver:1: parse error
make[1]: *** [arch/i386/kernel/time.o] Error 1
make: *** [arch/i386/kernel] Error 2


Steps to reproduce:

CONFIG_MODVERSIONS=y

Loadable module support  --->
[*]   Module versioning support (EXPERIMENTAL)

Re: [Bug 337] New: build breakage for module versioning support

[Kai Germaschewski]

On Tue, 11 Feb 2003, Martin J. Bligh wrote:

> http://bugme.osdl.org/show_bug.cgi?id=337
> 
>            Summary: build breakage for module versioning support
>     Kernel Version: 2.5.60, 2.5.60-bk1
>             Status: NEW
>           Severity: normal
>              Owner: bugme-janitors@lists.osdl.org
>          Submitter: john@larvalstage.com
> 
> 
> Problem Description:
> 
> Enabling module versioning support causes build breakage.
> 
>   gcc -Wp,-MD,arch/i386/kernel/.time.o.d -D__KERNEL__ -Iinclude -Wall
> -Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common
> -pipe -mpreferred-stack-boundary=2 -march=athlon
> -Iinclude/asm-i386/mach-default -nostdinc -iwithprefix include
> -DKBUILD_BASENAME=time -DKBUILD_MODNAME=time -c -o
> arch/i386/kernel/.tmp_time.o arch/i386/kernel/time.c
> ld:arch/i386/kernel/.tmp_time.ver:1: parse error
> make[1]: *** [arch/i386/kernel/time.o] Error 1
> make: *** [arch/i386/kernel] Error 2

That's caused by a sed incompatibility.
Fix already posted on l-k: (I'll submit it to Linus)

===== scripts/Makefile.build 1.27 vs edited =====
--- 1.27/scripts/Makefile.build	Sat Feb  8 14:30:33 2003
+++ edited/scripts/Makefile.build	Mon Feb 10 15:25:44 2003
@@ -94,7 +94,7 @@
 	else								      \
 		$(CPP) -D__GENKSYMS__ $(c_flags) $<			      \
 		| $(GENKSYMS) -k $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)	      \
-		| sed -n 's/\#define __ver_\(\w*\)\W*\(\w*\)/__crc_\1 = 0x\2 ;/gp' \
+		| sed -n 's/\#define __ver_\([^ 	]*\)[ 	]*\([^ 	]*\)/__crc_\1 = 0x\2 ;/gp' \
 		> $(@D)/.tmp_$(@F:.o=.ver);				      \
 									      \
 		$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) 		      \