283 lines
8 KiB
Makefile
283 lines
8 KiB
Makefile
# $NetBSD: bsd.sys.mk,v 1.230 2013/11/06 19:57:17 christos Exp $
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#
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# Build definitions used for NetBSD source tree builds.
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.if !defined(_BSD_SYS_MK_)
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_BSD_SYS_MK_=1
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.if ${HOST_OSTYPE:C/\-.*//:U} == "Minix"
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HOST_LDFLAGS?= -static
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.endif
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.if ${MKREPRO:Uno} == "yes"
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CPPFLAGS+= -Wp,-iremap,${NETBSDSRCDIR}:/usr/src
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CPPFLAGS+= -Wp,-iremap,${DESTDIR}/:/
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CPPFLAGS+= -Wp,-iremap,${X11SRCDIR}:/usr/xsrc
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.endif
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# Enable c99 mode by default.
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# This has the side effect of complaining for missing prototypes
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# implicit type declarations and missing return statements.
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.if defined(HAVE_GCC) || defined(HAVE_LLVM)
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CFLAGS+= -std=gnu99
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.endif
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.if defined(WARNS)
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CFLAGS+= ${${ACTIVE_CC} == "clang":? -Wno-sign-compare -Wno-pointer-sign :}
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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
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CFLAGS+= ${${ACTIVE_CC} != "clang":? -Wno-traditional :}
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.if !defined(NOGCCERROR) && !defined(USE_BITCODE)
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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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# XXX there are some strange problems not yet resolved
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. if !defined(HAVE_GCC) || (defined(HAVE_LLVM) && !defined(USE_BITCODE))
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LDFLAGS+= -Wl,--fatal-warnings
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. endif
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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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# Readd -Wno-sign-compare to override -Wextra with clang
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CFLAGS+= -Wno-sign-compare
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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 -Woverloaded-virtual -Wsign-promo -Wsynth
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CXXFLAGS+= ${${ACTIVE_CXX} == "gcc":? -Wno-non-template-friend -Wno-pmf-conversions :}
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.endif
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.if ${WARNS} > 3 && (defined(HAVE_GCC) || defined(HAVE_LLVM))
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.if ${WARNS} > 4
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CFLAGS+= -Wold-style-definition
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.endif
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.if ${WARNS} > 5 && !(defined(HAVE_GCC) && ${HAVE_GCC} <= 45)
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CFLAGS+= -Wconversion
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.endif
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CFLAGS+= -Wsign-compare -Wformat=2
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CFLAGS+= ${${ACTIVE_CC} == "clang":? -Wno-error=format-nonliteral :}
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CFLAGS+= ${${ACTIVE_CC} == "gcc":? -Wno-format-zero-length :}
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.endif
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.if ${WARNS} > 3 && defined(HAVE_LLVM)
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CFLAGS+= ${${ACTIVE_CC} == "clang":? -Wpointer-sign -Wmissing-noreturn :}
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.endif
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.if (defined(HAVE_GCC) && ${HAVE_GCC} >= 45 \
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&& (${MACHINE_ARCH} == "coldfire" || \
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${MACHINE_ARCH} == "sh3eb" || \
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${MACHINE_ARCH} == "sh3el" || \
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${MACHINE_ARCH} == "m68k" || \
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${MACHINE_ARCH} == "m68000"))
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# XXX GCC 4.5 for sh3 and m68k (which we compile with -Os) is extra noisy for
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# cases it should be better with
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CFLAGS+= -Wno-uninitialized
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.if ${HAVE_GCC} >= 48
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CFLAGS+= -Wno-maybe-uninitialized
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.endif
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.endif
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.endif
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CWARNFLAGS+= ${CWARNFLAGS.${ACTIVE_CC}}
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CPPFLAGS+= ${AUDIT:D-D__AUDIT__}
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_NOWERROR= ${defined(NOGCCERROR) || (${ACTIVE_CC} == "clang" && defined(NOCLANGERROR)):?yes:no}
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.if defined(__MINIX) && ${USE_BITCODE:Uno} == "yes"
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_NOWERROR= yes
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.endif # defined(__MINIX) && ${USE_BITCODE} == "yes"
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CFLAGS+= ${${_NOWERROR} == "no" :?-Werror:} ${CWARNFLAGS}
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LINTFLAGS+= ${DESTDIR:D-d ${DESTDIR}/usr/include}
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.if (${USE_SSP:Uno} != "no") && (${BINDIR:Ux} != "/usr/mdec")
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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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COPTS+= -fstack-protector -Wstack-protector
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COPTS+= ${${ACTIVE_CC} == "clang":? --param ssp-buffer-size=1 :}
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COPTS+= ${${ACTIVE_CC} == "gcc":? --param ssp-buffer-size=1 :}
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.endif
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.if ${MKSOFTFLOAT:Uno} != "no"
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COPTS+= -msoft-float
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FOPTS+= -msoft-float
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.elif ${MACHINE_ARCH} == "coldfire"
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COPTS+= -mhard-float
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FOPTS+= -mhard-float
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.endif
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.if ${MKIEEEFP:Uno} != "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" && ${MACHINE_ARCH} == "sparc"
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CFLAGS+= -Wa,-Av8plus
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.endif
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.if !defined(NOGCCERROR)
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.if (${MACHINE_ARCH} == "mips64el") || (${MACHINE_ARCH} == "mips64eb")
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CPUFLAGS+= -Wa,--fatal-warnings
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.endif
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.endif
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#.if ${MACHINE} == "sbmips"
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#CFLAGS+= -mips64 -mtune=sb1
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#.endif
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#.if (${MACHINE_ARCH} == "mips64el" || ${MACHINE_ARCH} == "mips64eb") && \
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# (defined(MKPIC) && ${MKPIC} == "no")
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#CPUFLAGS+= -mno-abicalls -fno-PIC
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#.endif
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CFLAGS+= ${CPUFLAGS}
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AFLAGS+= ${CPUFLAGS}
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.if !defined(LDSTATIC) || ${LDSTATIC} != "-static"
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# Position Independent Executable flags
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PIE_CFLAGS?= -fPIC
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PIE_LDFLAGS?= -Wl,-pie -shared-libgcc
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PIE_AFLAGS?= -fPIC
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.endif
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# Helpers for cross-compiling
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HOST_CC?= cc
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HOST_CFLAGS?= -O
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HOST_COMPILE.c?=${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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HOST_LINK.cc?= ${HOST_CXX} ${HOST_CXXFLAGS} ${HOST_CPPFLAGS} ${HOST_LDFLAGS}
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.if defined(HOSTPROG_CXX)
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HOST_LINK.c?= ${HOST_LINK.cc}
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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_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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MKDEPCXX?= 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}} ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.c.ln:
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${_MKTARGET_COMPILE}
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${LINT} ${LINTFLAGS} ${LINTFLAGS.${.IMPSRC:T}} \
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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}} ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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# Host-compiled C objects
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# The intermediate step is necessary for Sun CC, which objects to calling
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# object files anything but *.o
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.c.lo:
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${_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}} ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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.S.o:
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${_MKTARGET_COMPILE}
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${COMPILE.S} ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} ${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC}
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.if defined(CTFCONVERT)
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${CTFCONVERT} ${CTFFLAGS} ${.TARGET}
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.endif
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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}} ${YHEADER:D-d}
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.y.c:
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${_MKTARGET_YACC}
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${YACC.y} -o ${.TARGET} ${.IMPSRC}
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.ifdef YHEADER
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.if empty(.MAKEFLAGS:M-n)
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.y.h: ${.TARGET:.h=.c}
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.endif
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.endif
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# Objcopy
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OBJCOPYLIBFLAGS?=${"${.TARGET:M*.po}" != "":?-X:-x}
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.endif # !defined(_BSD_SYS_MK_)
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