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# $Id: optimize_gcc.mk,v 1.31 2007/08/02 11:20:16 abs Exp $
# This file is 'experimental' - which is doublespeak for unspeakably
# ugly, and 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@absd.org>.
# -O3 would give -finline-functions and -frename-registers
# As of gcc3-3.3nb4 -frename-registers still causes problems with xdm
.ifdef BSD_PKG_MK # Try to catch various package opts
# This is a horrible mess, but how else to adjust per package?
COPT_FLAGS=-finline-functions -fomit-frame-pointer -ffast-math
# v1.0, NetBSD i386/2.0
PKG_EXCLUDE_OMIT_FRAME_POINTER+=www/firefox www/firefox-gtk1
PKG_EXCLUDE_OMIT_FRAME_POINTER+=www/firefox15 www/firefox15-gtk1
PKG_EXCLUDE_OMIT_FRAME_POINTER+=lang/lua
# 1.0.5 gcc-4.1.2 NetBSD 4.99.3 i386
PKG_EXCLUDE_OMIT_FRAME_POINTER+=www/seamonkey www/seamonkey-gtk1
PKG_EXCLUDE_OMIT_FRAME_POINTER+=mail/thunderbird mail/thunderbird-gtk1
PKG_EXCLUDE_OMIT_FRAME_POINTER+=mail/thunderbird15 mail/thunderbird15-gtk1
PKG_EXCLUDE_OMIT_FRAME_POINTER+=lang/ruby18-base # NetBSD i386/3.0
PKG_EXCLUDE_INLINE_FUNCTIONS+=emulators/qemu net/userppp multimedia/vlc
# v1.0, NetBSD i386/2.0
PKG_EXCLUDE_FAST_MATH+=www/firefox www/firefox-gtk1
PKG_EXCLUDE_FAST_MATH+=www/firefox15 www/firefox15-gtk1
PKG_EXCLUDE_FAST_MATH+=x11/qt3-libs # gcc3.3.3 NetBSD i386/3.0 breaks kde3
PKG_EXCLUDE_FAST_MATH+=lang/perl5 # perl5 '49/49!=1'
.if !empty(PKG_EXCLUDE_OMIT_FRAME_POINTER:M${PKGPATH})
COPT_FLAGS:= ${COPT_FLAGS:S/-fomit-frame-pointer//}
.endif
.if !empty(PKG_EXCLUDE_INLINE_FUNCTIONS:M${PKGPATH})
COPT_FLAGS:= ${COPT_FLAGS:S/-finline-functions//}
.endif
.if !empty(PKG_EXCLUDE_FAST_MATH:M${PKGPATH})
COPT_FLAGS:= ${COPT_FLAGS:S/-ffast-math//}
.endif
CFLAGS+=${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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