* [ptxdist] OSELAS Cortex-A8 toolchain: Warning: --with-arch overrides --with-cpu=cortex-a8
@ 2014-02-28 12:47 Jean-Claude Monnin
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From: Jean-Claude Monnin @ 2014-02-28 12:47 UTC (permalink / raw)
To: ptxdist
Hi,
When building the `OSELAS.Toolchain-2013.12.1` with the config `arm-cortexa8-linux-gnueabihf_gcc-4.8.3_glibc-2.18_binutils-2.24_kernel-3.12-sanitized.ptxconfig`, I get following lines in the log file:
checking for clock_t... yes
checking for F_SETLKW... yes
checking if mkdir takes one argument... no
For cortex-a8 real value is cortexa8
For real value is
Warning: --with-arch overrides --with-cpu=cortex-a8
Using `/home/jean-claude/src/OSELAS.Toolchain/platform-arm-cortexa8-linux-gnueabihf-gcc-4.8.3-glibc-2.18-binutils-2.24-kernel-3.12-sanitized/build-cross/gcc-linaro-4.8-2013.11/gcc/config/arm/arm.c' for machine-specific logic.
I'm wondering if the line ` Warning: --with-arch overrides --with-cpu=cortex-a8` can be ignored safely.
Does it really do what the warning says; `--with-arch` prevails, therefore the toolchain is a generic `armv7-a` toolchain rather than one optimised for cortex-a8?
The gcc flags are:
PTXCONF_CROSS_GCC_CONFIG_EXTRA="--with-float=hard --with-fpu=neon --with-cpu=cortex-a8 --with-arch=armv7-a --with-mode=thumb"
Regards,
Jean-Claude
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