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# $NetBSD: hacks.mk,v 1.16 2015/05/17 12:57:16 bsiegert 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
### [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+= opt:-O[0-9]*:-Os
.endif
### [Fri Jan 31 11:09:04 CST 2014 : schnoebe]
### gcc-4.*.* in NetBSD/alpha causes unaligned access exception in perl.
### -O works around, and there is a report that -O2 -fno-tree-ter is enough.
.if (!empty(MACHINE_PLATFORM:MNetBSD-*-alpha) || !empty(MACHINE_PLATFORM:MOpenBSD-*-alpha)) \
&& !empty(CC_VERSION:Mgcc-4.*.*)
# XXX: is there any good way to replace the default -O2 with multiple args?
PKG_HACKS+= alpha-optimisation
#BUILDLINK_TRANSFORM+= opt:-O[2-9]*:-O2 -fno-tree-ter
CFLAGS+=-fno-tree-ter
.endif
### [Thu May 14 23:17:20 JST 2015 : ryoon]
### Force to use /usr/sfw/lib/amd64/libgcc_s.co.1 instead.
.if !empty(MACHINE_PLATFORM:MSunOS-5.10-x86_64)
. if !empty(CC_VERSION:Mgcc-3.4.3)
BUILDLINK_PASSTHRU_RPATHDIRS+= /usr/sfw/lib/amd64
LDFLAGS+= ${COMPILER_RPATH_FLAG}/usr/sfw/lib/amd64
. endif
.endif
.endif # PERL5_HACKS_MK
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