Sergei Gavrikov wrote: > Hello list > > They spoke what 'untested' GCC3.4.1 (arm-elf) generates more compact > code for float and double math than 'stable' GCC3.2.1 from ecoscentric > ftp. I use 'stable' GCC3.2.1 and build 'new' toolchain to test that. > That is (new code is a bit compact :). But, suddenly I found that the > GCC3.4.1 preprocessor is more pedantic then GCC3.2.1 one. I wonder > about CPP pedantism from other GCC suites (GCC3.4.X and GCC4.X.X). If a > described issue the below is the GCC's 3.4.1, please, forget this. If > other modern CPP cryes by a same way, a patch is attached. > > SYNOPSIS > > ecosconfig new sam7ex256 > ecosconfig tree > make -s > U CYGHWR_HAL_ARM_AT91, new inferred value AT91SAM7S > U CYGHWR_HAL_ARM_AT91_FIQ, new inferred value 1 > U CYGHWR_HAL_ARM_AT91SAM7, new inferred value at91sam7x256 > headers finished > cc1: warning: command line option "-Woverloaded-virtual" is valid for > C++/ObjC++ but not for C > cc1: warning: command line option "-fno-rtti" is valid for C++/ObjC++ but not > for C > cc1: warning: command line option "-Woverloaded-virtual" is valid for > C++/ObjC++ but not for C > cc1: warning: command line option "-fno-rtti" is valid for C++/ObjC++ but not > for C > cc1: warning: command line option "-Woverloaded-virtual" is valid for > C++/ObjC++ but not for C > cc1: warning: command line option "-fno-rtti" is valid for C++/ObjC++ but not > for C > build finished > > MEDICINE > > hal_arm.cdl describes 3 make rules to build arm.inc, vectors.o and > target.ld. CPP 'sees' all $(CFLAGS) options and cryes about the > language specific flags. I found that it's enough to replace $(CFLASG) > by $(ACTUAL_CFLAGS), and all backs as it was with CPP from GCC3.2.1: > > headers finished > build finished > > I like to see these 2 lines together. And if anybody knows how to fix > this issue in platform CDL, please, enlight me. > Your patch is the correct one - I've applied it. Next time, don't forget the ChangeLog entry.
-- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------
