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# $Id: optimize_gcc.mk,v 1.17 2005/01/06 00:08:51 abs Exp $
# This file is 'experimental' - which is doublespeak for unspeakably
# ugly, and probably quite broken by design.
#
# The intention is to pass additional flags to gcc to further optimise
# generated code. It _will_ make it impossible to debug, may fail to
# compile some code, and even generate curdled binaries. It is completely
# unsupported. Any questions should be directed to <abs@netbsd.org>.
# -O3 would give -finline-functions and -frename-registers
# As of gcc3-3.3nb4 -frename-registers still causes problems with xdm
.if defined(USE_GCC3) || (${MACHINE} != sparc64)
COPT_FLAGS=-finline-functions
.else
COPT_FLAGS=
.endif
.ifdef BSD_PKG_MK # Try to catch various package opts
# This is a horrible mess, but how else to adjust per package?
.if !defined(PKGBASE)
PKGBASE=${PKGNAME:C/-[^-]*$//}
.if ${PKGBASE} == ""
PKGBASE=${.CURDIR:C:.*/::}
.endif
.endif
COPT_FLAGS+=-ffast-math -fomit-frame-pointer
PKG_EXCLUDE_OMIT_FRAME_POINTER+=firefox firefox-gtk2 galeon galeon-devel
PKG_EXCLUDE_OMIT_FRAME_POINTER+=lua lua4 mozilla mozilla-gtk2
PKG_EXCLUDE_OMIT_FRAME_POINTER+=thunderbird thunderbird-gtk2
PKG_EXCLUDE_INLINE_FUNCTIONS+=qemu userppp
.if !defined(USE_GCC3)
PKG_EXCLUDE_OMIT_FRAME_POINTER+=qt3-libs kdeedu3 koffice
.endif
.if !empty(PKG_EXCLUDE_OMIT_FRAME_POINTER:M${PKGBASE})
COPT_FLAGS:= ${COPT_FLAGS:S/-fomit-frame-pointer//}
.endif
.if !empty(PKG_EXCLUDE_INLINE_FUNCTIONS:M${PKGBASE})
COPT_FLAGS:= ${COPT_FLAGS:S/-finline-functions//}
.endif
CFLAGS+=${COPT_FLAGS}
CXXFLAGS+=${COPT_FLAGS}
MAKE_FLAGS+=CCOPTIONS="${COPT_FLAGS}" # Override CCOPTIONS for imake
.else # Assume in base system, only COPTS
.if ${USETOOLS:Uyes} == "no"
COPT_FLAGS+=-fomit-frame-pointer
# Include ${DEFCOPTS} and set ?= to allow overriding in kernel builds
.if !defined(COPTS)
COPTS=${DEFCOPTS} ${COPT_FLAGS}
.else
COPTS+=${COPT_FLAGS}
.endif
.endif
.if defined(USE_GCC3)
DEFWARNINGS=no
.endif
.endif
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