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# $NetBSD: hacks.mk,v 1.13 2008/07/27 00:03:42 bjs Exp $

.if !defined(MESALIBS_HACKS_MK)
MESALIBS_HACKS_MK= # defined

### [Fri Dec 30 21:00:59 CET 2005 : schwarz]
### make sys/types.h not conflict with inttypes.h
### (issue is specific to IRIX 5.3)
###
. if !empty(MACHINE_PLATFORM:MIRIX-5.3-*)
PKG_HACKS+= sys_types_h-inttypes_h-conflict
post-wrapper:
${MKDIR} ${BUILDLINK_DIR}/include/sys && ${GREP} -v '^typedef.*[^u_]int[12368]*_t;' /usr/include/sys/types.h > ${BUILDLINK_DIR}/include/sys/types.h
# should match int8_t, int16_t, and int32_t (only)
. endif

.include "../../mk/compiler.mk"
###
### Ordinarily, this is defined by the build. However, in pkgsrc,
### policy dictates that we do it here.
###
### XXXbjs: -ffast-math seems to cause instability, at least on amd64.
### I have disabled it pending further testing.
###
. if !empty(CC_VERSION:Mgcc-[34]*)
PKG_HACKS+= no-strict-aliasing
CFLAGS+= -fno-strict-aliasing
#PKG_HACKS+= gcc-fast-math
#CFLAGS+= -ffast-math
. endif

. if !empty(CC_VERSION:Mgcc-[4-9]*)
# Don't hide symbols for glut by default, it doesn't know how to unhide them.
. if empty(PKGNAME:M*glut*)
PKG_HACKS+= gcc-hidden-visibility
CFLAGS+= -fvisibility=hidden
. endif
. endif
###
### XXX this shoddy hack is here to fix the unresolved symbol error that
### results due to '.extern pthread_getspecific' in the x86/x86-64
### assembler dispatch routines. Morever, there are also link-time
### issues with certain other applications due to pthread_getspecific()
### in glthread.c and glxext.c, so "fix" those also.
###
. include "../../mk/bsd.fast.prefs.mk"

. if ${OPSYS} == "NetBSD" && !empty(MACHINE_ARCH:M*86*) && \
empty(PTHREAD_STUBLIB:U:M*pthstub*)
SUBST_CLASSES+= asm-hack
SUBST_FILES.asm-hack= src/mesa/x86/glapi_x86.S
SUBST_FILES.asm-hack+= src/mesa/x86-64/glapi_x86-64.S
SUBST_FILES.asm-hack+= src/mesa/glapi/glthread.c
SUBST_FILES.asm-hack+= src/glx/x11/glxext.c
SUBST_MESSAGE.asm-hack=Teaching glapi about NetBSD thread stubs
SUBST_SED.asm-hack= -e 's,pthread_getspecific,__libc_thr_getspecific,g'
SUBST_STAGE.asm-hack= post-patch
. endif

.endif
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