Good Morning,
In reviewing the issue of what to with --with-fpu when the soft float
option is selected I think the gcc manual provided an answer I just did
not see
This specifies what floating-point hardware (or hardware emulation) is
available on the target.
Even when there is no floating point hardware, there is emulation. The
following is a snippet from a kernel config for a Versatilepb board:
#
# Floating point emulation
#
#
# At least one emulation must be selected
#
CONFIG_FPE_NWFPE=y
# CONFIG_FPE_NWFPE_XP is not set
# CONFIG_FPE_FASTFPE is not set
CONFIG_VFP=y
I compiled gcc with --with-fpu=vfp and it successfully compiled. It
appears that if a fpu is not specified that there a cpu dependant
defaults - the following articles lists them -
http://www.keil.com/support/man/docs/armcc/armcc_CIHGDBHC.htm
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