133a47f6ea
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.
67 lines
2.1 KiB
Makefile
67 lines
2.1 KiB
Makefile
# $NetBSD: hacks.mk,v 1.5 2011/10/11 10:02:13 hauke Exp $
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.if !defined(PERL5_HACKS_MK)
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PERL5_HACKS_MK= defined
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.include "../../mk/compiler.mk"
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### [Thu Jun 7 04:25:34 UTC 2001 : jlam]
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### Fix brokenness when using an older toolchain (gcc<3.3) on
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### NetBSD/sparc64. Pass -g and -DDEBUGGING to the compiler to
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### circumvent some code-generation bugs.
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###
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.if !empty(MACHINE_PLATFORM:MNetBSD-*-sparc64)
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. if !empty(CC_VERSION:Mgcc*)
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. if !defined(_GCC_IS_TOO_OLD)
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_GCC_IS_TOO_OLD!= \
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if ${PKG_ADMIN} pmatch 'gcc<3.3' ${CC_VERSION}; then \
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${ECHO} "yes"; \
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else \
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${ECHO} "no"; \
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fi
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MAKEFLAGS+= _GCC_IS_TOO_OLD=${_GCC_IS_TOO_OLD:Q}
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. endif
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. if !empty(_GCC_IS_TOO_OLD:M[yY][eE][sS])
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PKG_HACKS+= sparc64-codegen
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CFLAGS+= -DDEBUGGING -g -msoft-quad-float -O2
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. endif
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. endif
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.endif
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### [Sun Nov 14 02:35:50 EST 2004 : jlam]
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### On PowerPC, building with optimisation with GCC causes an "attempt
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### to free unreference scalar". Remove optimisation flags as a
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### workaround until GCC is fixed.
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###
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.if !empty(CC_VERSION:Mgcc*) && !empty(MACHINE_PLATFORM:MNetBSD-*-powerpc)
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PKG_HACKS+= powerpc-codegen
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BUILDLINK_TRANSFORM+= rm:-O[0-9]*
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.endif
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### [Mon May 9 15:35:44 UTC 2005 : jlam]
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### On NetBSD/arm, skipping one part of the optimization pass empirically
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### "fixes" the build of perl using gcc-3.x.
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###
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.if !empty(CC_VERSION:Mgcc-3.*) && !empty(MACHINE_ARCH:Marm*)
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PKG_HACKS+= arm-codegen
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CFLAGS+= -fno-cse-skip-blocks
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.endif
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### [ Fri Oct 11 10:00:00 UTC 2011 : hauke ]
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###
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### On m68k, gcc creates short assembler branch insns, and expects
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### the assembler to adapt them to the distance. m68k gas appears not to
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### do that for fpu branch insns, resulting in an out-of-range FPU
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### assembler branch instruction error in "ext/re/re_exec.c".
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###
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### As a workaround, building with "-Os" instead of "-O2" reduces
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### the size of the object file enough to allow short branches.
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###
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### See PR toolchain/45439.
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. if ${OPSYS} == "NetBSD" && ${MACHINE_ARCH} == "m68k"
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PKG_HACKS+= m68k-codegen
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BUILDLINK_TRANSFORM+= rename:-O[0-9]*:-Os
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. endif
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.endif # PERL5_HACKS_MK
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