6567e50a6f
This patch changes the system mk scripts to enable compilation of programs using the BSD make system to compile with the new libc. In details, it does the following: - it always defines the __MINIX make variable. This can be used, in porting applications, to specialize Makefiles for Minix. - If the environment variable NBSD is set to something different than 'no' and if the compiler is not ack, set NBSD_LIBC to 'yes'. This will set the destination lib directory to '/usr/netbsd/lib' and set up CPPFLAGS and LDFLAGS to use new libc's includes and library directory.
220 lines
5.9 KiB
Makefile
220 lines
5.9 KiB
Makefile
# $NetBSD: bsd.sys.mk,v 1.186 2009/11/30 16:13:23 uebayasi Exp $
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#
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# Build definitions used for NetBSD source tree builds.
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.if !defined(_MINIX_SYS_MK_)
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_MINIX_SYS_MK_=1
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.if defined(WARNS)
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.if ${WARNS} > 0
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CFLAGS+= -Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith
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#CFLAGS+= -Wmissing-declarations -Wredundant-decls -Wnested-externs
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# Add -Wno-sign-compare. -Wsign-compare is included in -Wall as of GCC 3.3,
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# but our sources aren't up for it yet. Also, add -Wno-traditional because
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# gcc includes #elif in the warnings, which is 'this code will not compile
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# in a traditional environment' warning, as opposed to 'this code behaves
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# differently in traditional and ansi environments' which is the warning
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# we wanted, and now we don't get anymore.
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CFLAGS+= -Wno-sign-compare -Wno-traditional
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.if !defined(NOGCCERROR)
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# Set assembler warnings to be fatal
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CFLAGS+= -Wa,--fatal-warnings
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.endif
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# Set linker warnings to be fatal
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# XXX no proper way to avoid "FOO is a patented algorithm" warnings
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# XXX on linking static libs
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.if (!defined(MKPIC) || ${MKPIC} != "no") && \
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(!defined(LDSTATIC) || ${LDSTATIC} != "-static")
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LDFLAGS+= -Wl,--fatal-warnings
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.endif
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.endif
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.if ${WARNS} > 1
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CFLAGS+= -Wreturn-type -Wswitch -Wshadow
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.endif
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.if ${WARNS} > 2
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CFLAGS+= -Wcast-qual -Wwrite-strings
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CFLAGS+= -Wextra -Wno-unused-parameter
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CXXFLAGS+= -Wabi
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CXXFLAGS+= -Wold-style-cast
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CXXFLAGS+= -Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder \
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-Wno-deprecated -Wno-non-template-friend \
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-Woverloaded-virtual -Wno-pmf-conversions -Wsign-promo -Wsynth
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.endif
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.if ${WARNS} > 3 && defined(HAVE_GCC) && ${HAVE_GCC} >= 3
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CFLAGS+= -Wsign-compare
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CFLAGS+= -std=gnu99
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.endif
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.endif
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# XXX: Temporarily disabled for MINIX
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# CPPFLAGS+= ${AUDIT:D-D__AUDIT__}
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# CFLAGS+= ${CWARNFLAGS} ${NOGCCERROR:D:U-Werror}
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# LINTFLAGS+= ${DESTDIR:D-d ${DESTDIR}/usr/include}
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.if (${MACHINE_ARCH} == "alpha") || \
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(${MACHINE_ARCH} == "hppa") || \
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(${MACHINE_ARCH} == "ia64") || \
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(${MACHINE_ARCH} == "mipsel") || (${MACHINE_ARCH} == "mipseb") || \
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(${MACHINE_ARCH} == "mips64el") || (${MACHINE_ARCH} == "mips64eb")
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HAS_SSP= no
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.else
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HAS_SSP= yes
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.endif
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.if defined(NBSD_LIBC) && (${NBSD_LIBC} != "no")
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CPPFLAGS+= -nostdinc -D__NBSD_LIBC -I /usr/netbsd/include
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LDFLAGS+= -L /usr/netbsd/lib
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.endif
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.if defined(USE_FORT) && (${USE_FORT} != "no")
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USE_SSP?= yes
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.if !defined(KERNSRCDIR) && !defined(KERN) # not for kernels nor kern modules
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CPPFLAGS+= -D_FORTIFY_SOURCE=2
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.endif
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.endif
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.if defined(USE_SSP) && (${USE_SSP} != "no") && (${BINDIR:Ux} != "/usr/mdec")
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.if ${HAS_SSP} == "yes"
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COPTS+= -fstack-protector -Wstack-protector --param ssp-buffer-size=1
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.endif
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.endif
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.if defined(MKSOFTFLOAT) && (${MKSOFTFLOAT} != "no")
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COPTS+= -msoft-float
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FOPTS+= -msoft-float
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.endif
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.if defined(MKIEEEFP) && (${MKIEEEFP} != "no")
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.if ${MACHINE_ARCH} == "alpha"
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CFLAGS+= -mieee
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FFLAGS+= -mieee
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.endif
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.endif
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.if ${MACHINE} == "sparc64" && ${MACHINE_ARCH} == "sparc"
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CFLAGS+= -Wa,-Av8plus
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.endif
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CFLAGS+= ${CPUFLAGS}
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AFLAGS+= ${CPUFLAGS}
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# Position Independent Executable flags
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PIE_CFLAGS?= -fPIC -DPIC
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PIE_LDFLAGS?= -Wl,-pie -shared-libgcc
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PIE_AFLAGS?= -fPIC -DPIC
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# Helpers for cross-compiling
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HOST_CC?= cc
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HOST_CFLAGS?= -O
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HOST_CFLAGS?=
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HOST_COMPILE.c?=${HOST_CC} ${HOST_CFLAGS} ${HOST_CPPFLAGS} -c
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HOST_COMPILE.cc?= ${HOST_CXX} ${HOST_CXXFLAGS} ${HOST_CPPFLAGS} -c
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.if defined(HOSTPROG_CXX)
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HOST_LINK.c?= ${HOST_CXX} ${HOST_CXXFLAGS} ${HOST_CPPFLAGS} ${HOST_LDFLAGS}
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.else
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HOST_LINK.c?= ${HOST_CC} ${HOST_CFLAGS} ${HOST_CPPFLAGS} ${HOST_LDFLAGS}
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.endif
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HOST_CXX?= c++
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HOST_CXXFLAGS?= -O
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HOST_CXXFLAGS?=
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HOST_CPP?= cpp
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HOST_CPPFLAGS?=
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HOST_LD?= ld
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HOST_LDFLAGS?=
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HOST_AR?= ar
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HOST_RANLIB?= ranlib
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HOST_LN?= ln
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# HOST_SH must be an absolute path
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HOST_SH?= /bin/sh
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ELF2ECOFF?= elf2ecoff
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MKDEP?= mkdep
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OBJCOPY?= objcopy
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OBJDUMP?= objdump
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PAXCTL?= paxctl
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STRIP?= strip
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# TOOL_* variables are defined in bsd.own.mk
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.SUFFIXES: .o .ln .lo .c .cc .cpp .cxx .C .m ${YHEADER:D.h}
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# C
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.c.o:
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${_MKTARGET_COMPILE}
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${COMPILE.c} ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} ${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC}
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.c.ln:
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${_MKTARGET_COMPILE}
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${LINT} ${LINTFLAGS} \
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${CPPFLAGS:C/-([IDU])[ ]*/-\1/Wg:M-[IDU]*} \
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${CPPFLAGS.${.IMPSRC:T}:C/-([IDU])[ ]*/-\1/Wg:M-[IDU]*} \
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-i ${.IMPSRC}
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# C++
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.cc.o .cpp.o .cxx.o .C.o:
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${_MKTARGET_COMPILE}
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${COMPILE.cc} ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} ${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC}
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# Objective C
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# (Defined here rather than in <sys.mk> because `.m' is not just
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# used for Objective C source)
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.m.o:
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${_MKTARGET_COMPILE}
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${COMPILE.m} ${OBJCOPTS} ${OBJCOPTS.${.IMPSRC:T}} ${.IMPSRC}
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# Host-compiled C objects
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# The intermediate step is necessary for Sun CC, which objects to calling
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# object files anything but *.o
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.c.lo:
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${_MKTARGET_COMPILE}
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${HOST_COMPILE.c} -o ${.TARGET}.o ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} ${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC}
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mv ${.TARGET}.o ${.TARGET}
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# C++
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.cc.lo .cpp.lo .cxx.lo .C.lo:
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${_MKTARGET_COMPILE}
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${HOST_COMPILE.cc} -o ${.TARGET}.o ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} ${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC}
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mv ${.TARGET}.o ${.TARGET}
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# Assembly
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.s.o:
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${_MKTARGET_COMPILE}
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${COMPILE.s} ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} ${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC}
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.S.o:
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${_MKTARGET_COMPILE}
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${COMPILE.S} ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} ${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC}
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# Lex
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LFLAGS+= ${LPREFIX.${.IMPSRC:T}:D-P${LPREFIX.${.IMPSRC:T}}}
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LFLAGS+= ${LPREFIX:D-P${LPREFIX}}
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.l.c:
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${_MKTARGET_LEX}
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${LEX.l} -o${.TARGET} ${.IMPSRC}
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# Yacc
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YFLAGS+= ${YPREFIX.${.IMPSRC:T}:D-p${YPREFIX.${.IMPSRC:T}}} ${YHEADER.${.IMPSRC:T}:D-d}
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YFLAGS+= ${YPREFIX:D-p${YPREFIX}} ${YHEADER:D-d}
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.ifdef QUIET_YACC
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.y.c:
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${_MKTARGET_YACC}
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${YACC.y} -o ${.TARGET} ${.IMPSRC} 2> /dev/null
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.else
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.y.c:
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${_MKTARGET_YACC}
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${YACC.y} -o ${.TARGET} ${.IMPSRC}
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.endif
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.ifdef YHEADER
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.y.h: ${.TARGET:.h=.c}
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.endif
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.endif # !defined(_MINIX_SYS_MK_)
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