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# $NetBSD: hacks.mk,v 1.5 2011/10/11 10:02:13 hauke Exp $
.if !defined(PERL5_HACKS_MK)
PERL5_HACKS_MK= defined
.include "../../mk/compiler.mk"
### [Thu Jun 7 04:25:34 UTC 2001 : jlam]
### Fix brokenness when using an older toolchain (gcc<3.3) on
### NetBSD/sparc64. Pass -g and -DDEBUGGING to the compiler to
### circumvent some code-generation bugs.
###
.if !empty(MACHINE_PLATFORM:MNetBSD-*-sparc64)
. if !empty(CC_VERSION:Mgcc*)
. if !defined(_GCC_IS_TOO_OLD)
_GCC_IS_TOO_OLD!= \
if ${PKG_ADMIN} pmatch 'gcc<3.3' ${CC_VERSION}; then \
${ECHO} "yes"; \
else \
${ECHO} "no"; \
fi
MAKEFLAGS+= _GCC_IS_TOO_OLD=${_GCC_IS_TOO_OLD:Q}
. endif
. if !empty(_GCC_IS_TOO_OLD:M[yY][eE][sS])
PKG_HACKS+= sparc64-codegen
CFLAGS+= -DDEBUGGING -g -msoft-quad-float -O2
. endif
. endif
.endif
### [Sun Nov 14 02:35:50 EST 2004 : jlam]
### On PowerPC, building with optimisation with GCC causes an "attempt
### to free unreference scalar". Remove optimisation flags as a
### workaround until GCC is fixed.
###
.if !empty(CC_VERSION:Mgcc*) && !empty(MACHINE_PLATFORM:MNetBSD-*-powerpc)
PKG_HACKS+= powerpc-codegen
BUILDLINK_TRANSFORM+= rm:-O[0-9]*
.endif
### [Mon May 9 15:35:44 UTC 2005 : jlam]
### On NetBSD/arm, skipping one part of the optimization pass empirically
### "fixes" the build of perl using gcc-3.x.
###
.if !empty(CC_VERSION:Mgcc-3.*) && !empty(MACHINE_ARCH:Marm*)
PKG_HACKS+= arm-codegen
CFLAGS+= -fno-cse-skip-blocks
.endif
### [ Fri Oct 11 10:00:00 UTC 2011 : hauke ]
###
### On m68k, gcc creates short assembler branch insns, and expects
### the assembler to adapt them to the distance. m68k gas appears not to
### do that for fpu branch insns, resulting in an out-of-range FPU
### assembler branch instruction error in "ext/re/re_exec.c".
###
### As a workaround, building with "-Os" instead of "-O2" reduces
### the size of the object file enough to allow short branches.
###
### See PR toolchain/45439.
. if ${OPSYS} == "NetBSD" && ${MACHINE_ARCH} == "m68k"
PKG_HACKS+= m68k-codegen
BUILDLINK_TRANSFORM+= rename:-O[0-9]*:-Os
. endif
.endif # PERL5_HACKS_MK
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