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Date:      Thu, 29 Jun 2006 20:59:45 -0400
From:      Jung-uk Kim <jkim@FreeBSD.org>
To:        freebsd-current@FreeBSD.org
Subject:   Re: Unable to build acpi_asus module on current today
Message-ID:  <200606292059.47722.jkim@FreeBSD.org>
In-Reply-To: <20060629233003.0188145043@ptavv.es.net>
References:  <20060629233003.0188145043@ptavv.es.net>

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On Thursday 29 June 2006 07:30 pm, Kevin Oberman wrote:
> Today I tried rebuilding my laptop running current. Building the
> kernel module acpi_asus, the build bombed with the error:
> ===> acpi_asus (all)
> cc -O2 -fno-strict-aliasing -pipe -Werror -D_KERNEL -DKLD_MODULE
> -nostdinc -I-
> -I/usr/src/sys/modules/acpi/acpi_asus/../../../contrib/dev/acpica
> -I. -I@ -I@/contrib/altq -finline-limit=8000 --param
> inline-unit-growth=100 --param large-function-growth=1000
> -fno-common  -mno-align-long-strings -mpreferred-stack-boundary=2 
> -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -ffreestanding
> -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes 
> -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -Wundef
> -fformat-extensions -c /usr/src/sys/modules
> /acpi/acpi_asus/../../../dev/acpi_support/acpi_asus.c
> /usr/src/sys/modules/acpi/acpi_asus/../../../dev/acpi_support/acpi_
>asus.c: In function `acpi_asus_attach':
> /usr/src/sys/modules/acpi/acpi_asus/../../../dev/acpi_support/acpi_
>asus.c:584: error: 'for' loop initial declaration used outside C99
> mode
>
> But this module has not been touched since April and I have built
> all of it many times since then. Several other modules seem to have
> the same problem of declaring a variable in a for statement.
>
> I moved the declaration to its own statement before the "for" and
> it compiles fine.
>
> Did some compiler default recently change? I have no compile
> options on my make.conf.

Yes:

http://docs.freebsd.org/cgi/mid.cgi?200606292115.k5TLFQch022605

A quick fix:

Index: sys/conf/kmod.mk
===================================================================
RCS file: /home/ncvs/src/sys/conf/kmod.mk,v
retrieving revision 1.208
diff -u -r1.208 kmod.mk
--- sys/conf/kmod.mk     27 May 2006 16:32:05 -0000      1.208
+++ sys/conf/kmod.mk     30 Jun 2006 00:57:37 -0000
@@ -85,8 +85,10 @@
 .if ${CC} == "icc"
 NOSTDINC=      -X
 .else
+C_DIALECT=     -std=c99
 NOSTDINC=      -nostdinc
 .endif
+CFLAGS+=       ${C_DIALECT}
 CFLAGS:=       ${CFLAGS:N-I*} ${NOSTDINC} -I- ${INCLMAGIC} ${CFLAGS:M-I*}
 .if defined(KERNBUILDDIR)
 CFLAGS+=       -DHAVE_KERNEL_OPTION_HEADERS -include ${KERNBUILDDIR}/opt_global.h

Jung-uk Kim



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