musl - unknown type name 'loff

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Date: Wed, 23 Jan 2013 18:33:42 +0100
From: Alexander Stadler <sa.musl@...vie.ac.at>
To: musl@...ts.openwall.com
Subject: unknown type name 'loff_t'

Thanks for your fast responses.

The other error I'm currently running into is

make[4]: Entering directory `/space/build-trunk/trunk/build_dir/target-mips_r2_musl-0.9.8/uboot-envtools-2012.04.01'
mips-openwrt-linux-musl-gcc -Wall -Os -pipe -mips32r2 -mtune=mips32r2 -fno-caller-saves -mno-branch-likely -fhonour-copts -Wno-error=unused-but-set-variable -msoft-float  -I/space/build-trunk/trunk/staging_dir/target-mips_r2_musl-0.9.8/usr/include -I/space/build-trunk/trunk/staging_dir/target-mips_r2_musl-0.9.8/include -I/space/build-trunk/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_musl-0.9.8/usr/include -I/space/build-trunk/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_musl-0.9.8/include  crc32.c fw_env.c fw_env_main.c -o fw_printenv
fw_env.c:643:55: error: unknown type name 'loff_t'
fw_env.c: In function 'flash_read_buf':
fw_env.c:680:2: error: unknown type name 'loff_t'
fw_env.c:713:3: warning: implicit declaration of function 'flash_bad_block' [-Wimplicit-function-declaration]
fw_env.c: In function 'flash_write_buf':
fw_env.c:777:2: error: unknown type name 'loff_t'
make[4]: *** [fw_printenv] Error 1
make[4]: Leaving directory `/space/build-trunk/trunk/build_dir/target-mips_r2_musl-0.9.8/uboot-envtools-2012.04.01'

I've found

linux/include/linux/types.h:

#if defined(__GNUC__)
typedef __kernel_loff_t         loff_t;
#endif

and

linux/include/asm-generic/posix_types.h:

typedef long long       __kernel_loff_t;

but

arch/arm/include/asm/posix_types.h:
arch/x86/include/asm/posix_types_32.h:
arch/x86/include/asm/posix_types_64.h:

#ifdef __GNUC__
typedef long long               __kernel_loff_t;
#endif

So is this something which should be changed at openwrt, upstream, or your library?
My research was limited on that because I'm currently not experienced enough to understand why long long got typedefed. And works in uClibc (does this really go true for #if defined(__GNUC__) in opposite to yours?).

Alex

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