1# 2# This file contains common settings used for building FreeBSD 3# sources. 4 5# Enable various levels of compiler warning checks. These may be 6# overridden (e.g. if using a non-gcc compiler) by defining MK_WARNS=no. 7 8# for GCC: https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html 9# for clang: https://clang.llvm.org/docs/DiagnosticsReference.html 10 11.include <bsd.compiler.mk> 12 13CSTD?= gnu17 14 15.if ${CSTD} == "c89" || ${CSTD} == "c90" 16CFLAGS+= -std=iso9899:1990 17.elif ${CSTD} == "c94" || ${CSTD} == "c95" 18CFLAGS+= -std=iso9899:199409 19.elif ${CSTD} == "c99" 20CFLAGS+= -std=iso9899:1999 21.else # CSTD 22CFLAGS+= -std=${CSTD} 23.endif # CSTD 24 25CXXSTD?= gnu++17 26 27.if !empty(CXXSTD) 28CXXFLAGS+= -std=${CXXSTD} 29.endif 30 31# This gives the Makefile we're evaluating at the top-level a chance to set 32# WARNS. If it doesn't do so, we may freely pull a DEFAULTWARNS if it's set 33# and use that. This allows us to default WARNS to 6 for src builds without 34# needing to set the default in various Makefile.inc. 35.if !defined(WARNS) && defined(DEFAULTWARNS) 36WARNS= ${DEFAULTWARNS} 37.endif 38 39# -pedantic is problematic because it also imposes namespace restrictions 40#CFLAGS+= -pedantic 41.if defined(WARNS) 42.if ${WARNS} >= 1 43CWARNFLAGS+= -Wsystem-headers 44.if ${MK_WERROR} != "no" && ${MK_WERROR.${COMPILER_TYPE}:Uyes} != "no" 45CWARNFLAGS+= -Werror 46.endif # ${MK_WERROR} != "no" && ${MK_WERROR.${COMPILER_TYPE}:Uyes} != "no" 47.endif # WARNS >= 1 48.if ${WARNS} >= 2 49CWARNFLAGS+= -Wall -Wno-format-y2k 50.endif # WARNS >= 2 51.if ${WARNS} >= 3 52CWARNFLAGS+= -W -Wno-unused-parameter 53.if ${COMPILER_TYPE} == "clang" 54CWARNFLAGS+= -Wstrict-prototypes 55.endif 56CWARNFLAGS+= -Wmissing-prototypes -Wpointer-arith 57.endif # WARNS >= 3 58.if ${WARNS} >= 4 59CWARNFLAGS+= -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow\ 60 -Wunused-parameter 61.if !defined(NO_WCAST_ALIGN) && !defined(NO_WCAST_ALIGN.${COMPILER_TYPE}) 62CWARNFLAGS+= -Wcast-align 63.endif # !NO_WCAST_ALIGN !NO_WCAST_ALIGN.${COMPILER_TYPE} 64.endif # WARNS >= 4 65.if ${WARNS} >= 6 66CWARNFLAGS+= -Wchar-subscripts -Wnested-externs \ 67 -Wold-style-definition 68.if !defined(NO_WMISSING_VARIABLE_DECLARATIONS) 69CWARNFLAGS.clang+= -Wmissing-variable-declarations 70.endif 71.if !defined(NO_WTHREAD_SAFETY) 72CWARNFLAGS.clang+= -Wthread-safety 73.endif 74.endif # WARNS >= 6 75.if ${WARNS} >= 2 && ${WARNS} <= 4 76# XXX Delete -Wuninitialized by default for now -- the compiler doesn't 77# XXX always get it right. 78CWARNFLAGS+= -Wno-uninitialized 79.endif # WARNS >=2 && WARNS <= 4 80CWARNFLAGS+= -Wno-pointer-sign 81.if !defined(NO_WDATE_TIME) 82CWARNFLAGS+= -Wdate-time 83.endif # NO_WDATE_TIME 84# Clang has more warnings enabled by default, and when using -Wall, so if WARNS 85# is set to low values, these have to be disabled explicitly. 86.if ${WARNS} <= 6 87CWARNFLAGS.clang+= -Wno-empty-body -Wno-string-plus-int 88CWARNFLAGS.clang+= -Wno-unused-const-variable 89.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 150000 90CWARNFLAGS.clang+= -Wno-error=unused-but-set-parameter 91.endif 92.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 190000 93# Similar to gcc >= 8.1 -Wno-error=cast-function-type below 94CWARNFLAGS.clang+= -Wno-error=cast-function-type-mismatch 95CXXWARNFLAGS.clang+= -Wno-c++20-extensions 96CXXWARNFLAGS.clang+= -Wno-c++23-lambda-attributes 97CXXWARNFLAGS.clang+= -Wno-nullability-completeness 98.endif 99.endif # WARNS <= 6 100.if ${WARNS} <= 3 101CWARNFLAGS.clang+= -Wno-tautological-compare -Wno-unused-value\ 102 -Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion 103CWARNFLAGS.clang+= -Wno-unused-local-typedef 104CWARNFLAGS.clang+= -Wno-address-of-packed-member 105.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 90100 106CWARNFLAGS.gcc+= -Wno-address-of-packed-member 107.endif 108.endif # WARNS <= 3 109.if ${WARNS} <= 2 110CWARNFLAGS.clang+= -Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter 111.endif # WARNS <= 2 112.if ${WARNS} <= 1 113CWARNFLAGS.clang+= -Wno-parentheses 114.endif # WARNS <= 1 115.if defined(NO_WARRAY_BOUNDS) 116CWARNFLAGS.clang+= -Wno-array-bounds 117.endif # NO_WARRAY_BOUNDS 118.if defined(NO_WMISLEADING_INDENTATION) && \ 119 ((${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 100000) || \ 120 ${COMPILER_TYPE} == "gcc") 121CWARNFLAGS+= -Wno-misleading-indentation 122.endif # NO_WMISLEADING_INDENTATION 123.if ${COMPILER_VERSION} >= 130000 124NO_WUNUSED_BUT_SET_VARIABLE= -Wno-unused-but-set-variable 125.endif 126.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 140000 127NO_WBITWISE_INSTEAD_OF_LOGICAL= -Wno-bitwise-instead-of-logical 128.endif 129.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 150000 130NO_WARRAY_PARAMETER= -Wno-array-parameter 131NO_WSTRICT_PROTOTYPES= -Wno-strict-prototypes 132NO_WDEPRECATED_NON_PROTOTYPE=-Wno-deprecated-non-prototype 133.endif 134.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 210000 135NO_WCHARACTER_CONVERSION=-Wno-character-conversion 136.endif 137.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 50200 138NO_WUNUSED_BUT_SET_VARIABLE=-Wno-unused-but-set-variable 139.endif 140.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 100100 141NO_WZERO_LENGTH_BOUNDS= -Wno-zero-length-bounds 142.endif 143.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 110100 144NO_WARRAY_PARAMETER= -Wno-array-parameter 145.endif 146.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 120100 147NO_WUSE_AFTER_FREE= -Wno-use-after-free 148NO_WDANGLING_POINTER= -Wno-dangling-pointer 149.endif 150.endif # WARNS 151 152.if defined(FORMAT_AUDIT) 153WFORMAT= 1 154.endif # FORMAT_AUDIT 155.if defined(WFORMAT) 156.if ${WFORMAT} > 0 157#CWARNFLAGS+= -Wformat-nonliteral -Wformat-security -Wno-format-extra-args 158CWARNFLAGS+= -Wformat=2 -Wno-format-extra-args 159.if ${WARNS:U0} <= 3 160CWARNFLAGS.clang+= -Wno-format-nonliteral 161.endif # WARNS <= 3 162.if ${MK_WERROR} != "no" && ${MK_WERROR.${COMPILER_TYPE}:Uyes} != "no" 163CWARNFLAGS+= -Werror 164.endif # ${MK_WERROR} != "no" && ${MK_WERROR.${COMPILER_TYPE}:Uyes} != "no" 165.endif # WFORMAT > 0 166.endif # WFORMAT 167.if defined(NO_WFORMAT) || defined(NO_WFORMAT.${COMPILER_TYPE}) 168CWARNFLAGS+= -Wno-format 169.endif # NO_WFORMAT || NO_WFORMAT.${COMPILER_TYPE} 170 171# GCC 172# We should clean up warnings produced with these flags. 173# They were originally added as a quick hack to enable gcc5/6. 174# The base system requires at least GCC 6.4, but some ports 175# use this file with older compilers. Request an exprun 176# before changing these. 177.if ${COMPILER_TYPE} == "gcc" 178# GCC 5.2.0 179.if ${COMPILER_VERSION} >= 50200 180CWARNFLAGS+= -Wno-error=address \ 181 -Wno-error=array-bounds \ 182 -Wno-error=attributes \ 183 -Wno-error=bool-compare \ 184 -Wno-error=cast-align \ 185 -Wno-error=clobbered \ 186 -Wno-error=deprecated-declarations \ 187 -Wno-error=enum-compare \ 188 -Wno-error=extra \ 189 -Wno-error=logical-not-parentheses \ 190 -Wno-error=strict-aliasing \ 191 -Wno-error=uninitialized \ 192 -Wno-error=unused-function \ 193 -Wno-error=unused-value 194 195# These warnings are raised by headers in libc++ so are disabled 196# globally for all C++ 197CXXWARNFLAGS+= -Wno-attributes \ 198 -Wno-deprecated-declarations 199.endif 200 201# GCC 6.1.0 202.if ${COMPILER_VERSION} >= 60100 203CWARNFLAGS+= -Wno-error=empty-body \ 204 -Wno-error=maybe-uninitialized \ 205 -Wno-error=nonnull-compare \ 206 -Wno-error=shift-negative-value \ 207 -Wno-error=tautological-compare \ 208 -Wno-error=unused-const-variable 209.endif 210 211# GCC 7.1.0 212.if ${COMPILER_VERSION} >= 70100 213CWARNFLAGS+= -Wno-error=bool-operation \ 214 -Wno-error=deprecated \ 215 -Wno-error=expansion-to-defined \ 216 -Wno-error=format-overflow \ 217 -Wno-error=format-truncation \ 218 -Wno-error=implicit-fallthrough \ 219 -Wno-error=int-in-bool-context \ 220 -Wno-error=memset-elt-size \ 221 -Wno-error=noexcept-type \ 222 -Wno-error=nonnull \ 223 -Wno-error=pointer-compare \ 224 -Wno-error=stringop-overflow 225.endif 226 227# GCC 8.1.0 228.if ${COMPILER_VERSION} >= 80100 229CWARNFLAGS+= -Wno-error=aggressive-loop-optimizations \ 230 -Wno-error=cast-function-type \ 231 -Wno-error=catch-value \ 232 -Wno-error=multistatement-macros \ 233 -Wno-error=restrict \ 234 -Wno-error=sizeof-pointer-memaccess \ 235 -Wno-error=stringop-truncation 236CXXWARNFLAGS+= -Wno-error=class-memaccess 237.endif 238 239# GCC 9.2.0 240.if ${COMPILER_VERSION} >= 90200 241.if ${MACHINE_ARCH} == "i386" 242CWARNFLAGS+= -Wno-error=overflow 243.endif 244.endif 245 246# GCC 12.1.0 247.if ${COMPILER_VERSION} >= 120100 248# These warnings are raised by headers in libc++ so are disabled 249# globally for all C++ 250CXXWARNFLAGS+= -Wno-literal-suffix \ 251 -Wno-c++20-extensions \ 252 -Wno-attributes \ 253 -Wno-error=unknown-pragmas 254.endif 255 256# GCC 13.1.0 257.if ${COMPILER_VERSION} >= 130100 258# These warnings are raised by headers in libc++ so are disabled 259# globally for all C++ 260CXXWARNFLAGS+= -Wno-dangling-reference 261.endif 262 263# GCC produces false positives for functions that switch on an 264# enum (GCC bug 87950) 265CWARNFLAGS+= -Wno-return-type 266 267# GCC's own arm_neon.h triggers various warnings 268.if ${MACHINE_CPUARCH} == "aarch64" 269CWARNFLAGS+= -Wno-system-headers 270.endif 271.endif # gcc 272 273# How to handle FreeBSD custom printf format specifiers. 274.if ${COMPILER_TYPE} == "clang" || \ 275 (${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 120100) 276FORMAT_EXTENSIONS= -D__printf__=__freebsd_kprintf__ 277.else 278FORMAT_EXTENSIONS= -fformat-extensions 279.endif 280 281.if defined(IGNORE_PRAGMA) 282CWARNFLAGS+= -Wno-unknown-pragmas 283.endif # IGNORE_PRAGMA 284 285# This warning is utter nonsense 286CFLAGS+= -Wno-format-zero-length 287 288.if ${COMPILER_TYPE} == "clang" 289# The headers provided by clang are incompatible with the FreeBSD headers. 290# If the version of clang is not one that has been patched to omit the 291# incompatible headers, we need to compile with -nobuiltininc and add the 292# resource dir to the end of the search paths. This ensures that headers such as 293# immintrin.h are still found but stddef.h, etc. are picked up from FreeBSD. 294# 295# XXX: This is a hack to support complete external installs of clang while 296# we work to synchronize our decleration guards with those in the clang tree. 297.if ${MK_CLANG_BOOTSTRAP:Uno} == "no" && \ 298 ${COMPILER_RESOURCE_DIR} != "unknown" && !defined(BOOTSTRAPPING) 299CFLAGS+=-nobuiltininc -idirafter ${COMPILER_RESOURCE_DIR}/include 300.endif 301.endif 302 303CLANG_OPT_SMALL= -mstack-alignment=8 -mllvm -inline-threshold=3 304.if ${COMPILER_VERSION} < 130000 305CLANG_OPT_SMALL+= -mllvm -simplifycfg-dup-ret 306.endif 307CLANG_OPT_SMALL+= -mllvm -enable-load-pre=false 308CFLAGS.clang+= -Qunused-arguments 309 310.if ${MK_SSP} != "no" 311# Don't use -Wstack-protector as it breaks world with -Werror. 312.if ${COMPILER_FEATURES:Mstackclash} 313SSP_CFLAGS?= -fstack-protector-strong -fstack-clash-protection 314.else 315SSP_CFLAGS?= -fstack-protector-strong 316.endif 317CFLAGS+= ${SSP_CFLAGS} 318.endif # SSP 319 320# XXX This should be defaulted to 2 when WITH_SSP is in use after further 321# testing and soak time. 322FORTIFY_SOURCE?= 0 323 324# We want to avoid defining _FORTIFY_SOURCE if it's set to 0, but we rely on 325# deferred-evaluation for ${.IMPSRC} to expand. The below construction 326# is, unfortunately, necessary. 327.if empty(CFLAGS:M-D_FORTIFY_SOURCE*) 328CFLAGS+= ${FORTIFY_SOURCE.${.IMPSRC:T}:U${FORTIFY_SOURCE}:S/^/-D_FORTIFY_SOURCE=/:N*=0} 329.endif 330.if empty(CXXFLAGS:M-D_FORTIFY_SOURCE*) 331CXXFLAGS+= ${FORTIFY_SOURCE.${.IMPSRC:T}:U${FORTIFY_SOURCE}:S/^/-D_FORTIFY_SOURCE=/:N*=0} 332.endif 333 334# Additional flags passed in CFLAGS and CXXFLAGS when MK_DEBUG_FILES is 335# enabled. 336DEBUG_FILES_CFLAGS?= -g -gz=zlib 337 338# Allow user-specified additional warning flags, plus compiler and file 339# specific flag overrides, unless we've overridden this... 340.if ${MK_WARNS} != "no" 341CFLAGS+= ${CWARNFLAGS:M*} ${CWARNFLAGS.${COMPILER_TYPE}} 342CFLAGS+= ${CWARNFLAGS.${.IMPSRC:T}} 343CXXFLAGS+= ${CXXWARNFLAGS:M*} ${CXXWARNFLAGS.${COMPILER_TYPE}} 344CXXFLAGS+= ${CXXWARNFLAGS.${.IMPSRC:T}} 345.endif 346 347CFLAGS+= ${CFLAGS.${COMPILER_TYPE}} 348CXXFLAGS+= ${CXXFLAGS.${COMPILER_TYPE}} 349 350AFLAGS+= ${AFLAGS.${.IMPSRC:T}} 351AFLAGS+= ${AFLAGS.${.TARGET:T}} 352ACFLAGS+= ${ACFLAGS.${.IMPSRC:T}} 353ACFLAGS+= ${ACFLAGS.${.TARGET:T}} 354CFLAGS+= ${CFLAGS.${.IMPSRC:T}} 355CXXFLAGS+= ${CXXFLAGS.${.IMPSRC:T}} 356 357LDFLAGS+= ${LDFLAGS.${LINKER_TYPE}} 358 359# Only allow .TARGET when not using PROGS as it has the same syntax 360# per PROG which is ambiguous with this syntax. This is only needed 361# for PROG_VARS vars. 362# 363# Some directories (currently just clang) also need to disable this since 364# CFLAGS.${COMPILER_TYPE}, CFLAGS.${.IMPSRC:T} and CFLAGS.${.TARGET:T} all live 365# in the same namespace, meaning that, for example, GCC builds of clang pick up 366# CFLAGS.clang via CFLAGS.${.TARGET:T} and thus try to pass Clang-specific 367# flags. Ideally the different sources of CFLAGS would be namespaced to avoid 368# collisions. 369.if !defined(_RECURSING_PROGS) && !defined(NO_TARGET_FLAGS) 370.if ${MK_WARNS} != "no" 371CFLAGS+= ${CWARNFLAGS.${.TARGET:T}} 372.endif 373CFLAGS+= ${CFLAGS.${.TARGET:T}} 374CXXFLAGS+= ${CXXFLAGS.${.TARGET:T}} 375LDFLAGS+= ${LDFLAGS.${.TARGET:T}} 376LDADD+= ${LDADD.${.TARGET:T}} 377LIBADD+= ${LIBADD.${.TARGET:T}} 378.endif 379 380.if defined(SRCTOP) 381# Prevent rebuilding during install to support read-only objdirs. 382.if ${.TARGETS:M*install*} == ${.TARGETS} && empty(.MAKE.MODE:Mmeta) 383CFLAGS+= ERROR-tried-to-rebuild-during-make-install 384.endif 385.endif 386 387# Please keep this if in sync with kern.mk 388.if ${LD} != "ld" && (${CC:[1]:H} != ${LD:[1]:H} || ${LD:[1]:T} != "ld") 389# Add -fuse-ld=${LD} if $LD is in a different directory or not called "ld". 390.if ${COMPILER_TYPE} == "clang" 391# Note: Clang does not like relative paths for ld so we map ld.lld -> lld. 392.if ${COMPILER_VERSION} >= 120000 393LDFLAGS+= --ld-path=${LD:[1]:S/^ld.//1W} 394.else 395LDFLAGS+= -fuse-ld=${LD:[1]:S/^ld.//1W} 396.endif 397.elif ${COMPILER_TYPE} == "gcc" 398# GCC does not support an absolute path for -fuse-ld so we just print this 399# warning instead and let the user add the required symlinks. 400# However, we can avoid this warning if -B is set appropriately (e.g. for 401# CROSS_TOOLCHAIN=...-gcc). 402.if !(${LD:[1]:T} == "ld" && ${CC:tw:M-B${LD:[1]:H}/}) 403.warning LD (${LD}) is not the default linker for ${CC} but -fuse-ld= is not supported 404.endif 405.endif 406.endif 407 408# Tell bmake not to mistake standard targets for things to be searched for 409# or expect to ever be up-to-date. 410PHONY_NOTMAIN = analyze afterdepend afterinstall all beforedepend beforeinstall \ 411 beforelinking build build-tools buildconfig buildfiles \ 412 buildincludes check checkdpadd clean cleandepend cleandir \ 413 cleanobj configure depend distclean distribute exe \ 414 files html includes install installconfig installdirs \ 415 installfiles installincludes lint obj objlink objs objwarn \ 416 realinstall tags whereobj 417 418# we don't want ${PROG} to be PHONY 419.PHONY: ${PHONY_NOTMAIN:N${PROG:U}} 420.NOTMAIN: ${PHONY_NOTMAIN:Nall} 421 422.if ${MK_STAGING} != "no" 423.if defined(_SKIP_BUILD) || (!make(all) && !make(clean*) && !make(*clean)) 424_SKIP_STAGING?= yes 425.endif 426.if ${_SKIP_STAGING:Uno} == "yes" 427staging stage_libs stage_files stage_as stage_links stage_symlinks: 428.else 429# allow targets like beforeinstall to be leveraged 430DESTDIR= ${STAGE_OBJTOP} 431.export DESTDIR 432 433.if target(beforeinstall) 434.if !empty(_LIBS) || (${MK_STAGING_PROG} != "no" && !defined(INTERNALPROG)) 435staging: beforeinstall 436.endif 437.endif 438 439# normally only libs and includes are staged 440.if ${MK_STAGING_PROG} != "no" && !defined(INTERNALPROG) 441STAGE_DIR.prog= ${STAGE_OBJTOP}${BINDIR} 442 443.if !empty(PROG) 444.if defined(PROGNAME) 445STAGE_AS_SETS+= prog 446STAGE_AS_${PROG}= ${PROGNAME} 447stage_as.prog: ${PROG} 448.else 449STAGE_SETS+= prog 450stage_files.prog: ${PROG} 451STAGE_TARGETS+= stage_files 452.endif 453.endif 454.endif 455 456.if !empty(_LIBS) && !defined(INTERNALLIB) 457.if defined(SHLIBDIR) && ${SHLIBDIR} != ${LIBDIR} && ${_LIBS:Uno:M*.so.*} != "" 458STAGE_SETS+= shlib 459STAGE_DIR.shlib= ${STAGE_OBJTOP}${SHLIBDIR} 460STAGE_FILES.shlib+= ${_LIBS:M*.so.*} 461stage_files.shlib: ${_LIBS:M*.so.*} 462.endif 463 464.if defined(SHLIB_LINK) && commands(${SHLIB_LINK:R}.ld) 465STAGE_AS_SETS+= ldscript 466STAGE_AS.ldscript+= ${SHLIB_LINK:R}.ld 467stage_as.ldscript: ${SHLIB_LINK:R}.ld 468STAGE_DIR.ldscript = ${STAGE_LIBDIR} 469STAGE_AS_${SHLIB_LINK:R}.ld:= ${SHLIB_LINK} 470NO_SHLIB_LINKS= 471.endif 472 473.if defined(STATIC_LDSCRIPT) && target(lib${LIB}.ald) 474STAGE_AS_SETS+= ald 475STAGE_DIR.ald = ${STAGE_LIBDIR} 476STAGE_AS.ald+= lib${LIB}.ald 477STAGE_AS_lib${LIB}.ald = lib${LIB}.a 478stage_as.ald: lib${LIB}.ald 479.endif 480 481.if target(stage_files.shlib) 482stage_libs: ${_LIBS} 483.if defined(DEBUG_FLAGS) && target(${SHLIB_NAME}.symbols) 484stage_files.shlib: ${SHLIB_NAME}.symbols 485.endif 486.else 487stage_libs: ${_LIBS} 488.endif 489.if defined(SHLIB_NAME) && defined(DEBUG_FLAGS) && target(${SHLIB_NAME}.symbols) 490stage_libs: ${SHLIB_NAME}.symbols 491.endif 492 493.endif 494 495.if !empty(INCS) || !empty(INCSGROUPS) && target(buildincludes) 496.if !defined(NO_BEFOREBUILD_INCLUDES) 497stage_includes: buildincludes 498beforebuild: stage_includes 499.endif 500.endif 501 502.for t in stage_libs stage_files stage_as 503.if target($t) 504STAGE_TARGETS+= $t 505.endif 506.endfor 507 508.if !empty(STAGE_AS_SETS) 509STAGE_TARGETS+= stage_as 510.endif 511 512.if !empty(STAGE_TARGETS) || (${MK_STAGING_PROG} != "no" && !defined(INTERNALPROG)) 513 514.if !empty(LINKS) 515STAGE_TARGETS+= stage_links 516.if ${MAKE_VERSION} < 20131001 517stage_links.links: ${_LIBS} ${PROG} 518.endif 519STAGE_SETS+= links 520STAGE_LINKS.links= ${LINKS} 521.endif 522 523.if !empty(SYMLINKS) 524STAGE_TARGETS+= stage_symlinks 525STAGE_SETS+= links 526STAGE_SYMLINKS.links= ${SYMLINKS} 527.endif 528 529.endif 530 531.include <meta.stage.mk> 532.endif 533.endif 534 535.if defined(META_TARGETS) 536.for _tgt in ${META_TARGETS} 537.if target(${_tgt}) 538${_tgt}: ${META_DEPS} 539.endif 540.endfor 541.endif 542 543# we are generally the last makefile read 544CFLAGS+= ${CFLAGS_LAST} 545CXXFLAGS+= ${CXXFLAGS_LAST} 546LDFLAGS+= ${LDFLAGS_LAST} 547