gcc/cp/Make-lang.in

   1 # Top level -*- makefile -*- fragment for GNU C++.
   2 #   Copyright (C) 1994-2025 Free Software Foundation, Inc.
   3
   4 #This file is part of GCC.
   5
   6 #GCC is free software; you can redistribute it and/or modify
   7 #it under the terms of the GNU General Public License as published by
   8 #the Free Software Foundation; either version 3, or (at your option)
   9 #any later version.
  10
  11 #GCC is distributed in the hope that it will be useful,
  12 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with GCC; see the file COPYING3.  If not see
  18 # <http://www.gnu.org/licenses/>.
  19
  20 # This file provides the language dependent support in the main Makefile.
  21 # Each language makefile fragment must provide the following targets:
  22 #
  23 # foo.all.cross, foo.start.encap, foo.rest.encap,
  24 # foo.install-common, foo.install-man, foo.install-info, foo.install-pdf,
  25 # foo.install-html, foo.info, foo.dvi, foo.pdf, foo.html, foo.uninstall,
  26 # foo.mostlyclean, foo.clean, foo.distclean,
  27 # foo.maintainer-clean, foo.stage1, foo.stage2, foo.stage3, foo.stage4
  28 #
  29 # where `foo' is the name of the language.
  30 #
  31 # It should also provide rules for:
  32 #
  33 # - making any compiler driver (eg: g++)
  34 # - the compiler proper (eg: cc1plus)
  35 # - define the names for selecting the language in LANGUAGES.
  36
  37 # Actual names to use when installing a native compiler.
  38 CXX_INSTALL_NAME := $(shell echo c++|sed '$(program_transform_name)')
  39 GXX_INSTALL_NAME := $(shell echo g++|sed '$(program_transform_name)')
  40 CXX_TARGET_INSTALL_NAME := $(target_noncanonical)-$(shell echo c++|sed '$(program_transform_name)')
  41 GXX_TARGET_INSTALL_NAME := $(target_noncanonical)-$(shell echo g++|sed '$(program_transform_name)')
  42 CP_PLUGIN_HEADERS := cp-tree.h cxx-pretty-print.h name-lookup.h type-utils.h operators.def cp-trait.def contracts.h
  43
  44 #\f
  45 # Define the names for selecting c++ in LANGUAGES.
  46 # Note that it would be nice to move the dependency on g++
  47 # into the C++ rule, but that needs a little bit of work
  48 # to do the right thing within all.cross.
  49 c++: cc1plus$(exeext)
  50 c++.serial = cc1plus$(exeext)
  51
  52 # Tell GNU make to ignore these if they exist.
  53 .PHONY: c++
  54
  55 CFLAGS-cp/g++spec.o += $(DRIVER_DEFINES)
  56
  57 CFLAGS-cp/module.o += -DHOST_MACHINE=\"$(host)\" \
  58         -DTARGET_MACHINE=\"$(target)\" $(ZLIBINC)
  59
  60 # In non-release builds, use a date-related module version.
  61 ifneq ($(DEVPHASE_c),)
  62 # Some date's don't grok 'r', if so, simply use today's date,
  63 # but use date from previous stage if bootstrapping to avoid breaking
  64 # bootstraps across midnight.
  65 s-cp-module-version: $(srcdir)/cp/module.cc
  66         MODULE_VERSION=`if date -r $(srcdir)/cp/module.cc '+%y%m%d%H%MU' \
  67                           2>/dev/null; then :; \
  68                         elif test ../prev-gcc/s-cp-module-version -nt \
  69                                $(srcdir)/cp/module.cc; then \
  70                           cat ../prev-gcc/s-cp-module-version; \
  71                         else \
  72                           date '+%y%m%d0000U' 2>/dev/null; \
  73                         fi`; \
  74         echo $${MODULE_VERSION} > s-cp-module-version
  75 cp/module.o: s-cp-module-version
  76 CFLAGS-cp/module.o += -DMODULE_VERSION='$(shell cat s-cp-module-version)'
  77 endif
  78
  79 # Create the compiler driver for g++.
  80 GXX_OBJS = $(GCC_OBJS) cp/g++spec.o
  81 xg++$(exeext): $(GXX_OBJS) $(EXTRA_GCC_OBJS) libcommon-target.a $(LIBDEPS)
  82         +$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
  83           $(GXX_OBJS) $(EXTRA_GCC_OBJS) libcommon-target.a \
  84           $(EXTRA_GCC_LIBS) $(LIBS)
  85
  86 # Create a version of the g++ driver which calls the cross-compiler.
  87 g++-cross$(exeext): xg++$(exeext)
  88         -rm -f g++-cross$(exeext)
  89         cp xg++$(exeext) g++-cross$(exeext)
  90
  91 # The compiler itself.
  92 # Shared with C front end:
  93 CXX_C_OBJS = attribs.o \
  94         $(C_COMMON_OBJS) $(CXX_TARGET_OBJS)
  95
  96 # Language-specific object files for C++ and Objective C++.
  97 CXX_AND_OBJCXX_OBJS = \
  98         cp/call.o cp/class.o cp/constexpr.o cp/constraint.o \
  99         cp/coroutines.o cp/cp-gimplify.o \
 100         cp/cp-objcp-common.o cp/cp-ubsan.o \
 101         cp/cvt.o cp/contracts.o cp/cxx-pretty-print.o \
 102         cp/decl.o cp/decl2.o cp/dump.o \
 103         cp/error.o cp/except.o cp/expr.o \
 104         cp/friend.o cp/init.o \
 105         cp/lambda.o cp/lex.o cp/logic.o \
 106         cp/mangle.o cp/mapper-client.o cp/mapper-resolver.o \
 107         cp/method.o cp/module.o \
 108         cp/name-lookup.o cp/optimize.o \
 109         cp/parser.o cp/pt.o cp/ptree.o \
 110         cp/rtti.o \
 111         cp/search.o cp/semantics.o \
 112         cp/tree.o cp/typeck.o cp/typeck2.o \
 113         cp/vtable-class-hierarchy.o $(CXX_C_OBJS)
 114
 115 ifeq ($(if $(wildcard ../stage_current),$(shell cat \
 116   ../stage_current)),stageautofeedback)
 117 $(CXX_AND_OBJCXX_OBJS): CFLAGS += -fauto-profile=cc1plus.fda
 118 $(CXX_AND_OBJCXX_OBJS): cc1plus.fda
 119 endif
 120
 121 # Language-specific object files for C++.
 122 CXX_OBJS = cp/cp-lang.o c-family/stub-objc.o $(CXX_AND_OBJCXX_OBJS)
 123
 124 c++_OBJS = $(CXX_OBJS) cc1plus-checksum.o cp/g++spec.o
 125
 126 # Use strict warnings for this front end.
 127 cp-warn = $(STRICT_WARN)
 128
 129 # compute checksum over all object files and the options
 130 # re-use the checksum from the prev-final stage so it passes
 131 # the bootstrap comparison and allows comparing of the cc1 binary
 132 cc1plus-checksum.cc : build/genchecksum$(build_exeext) checksum-options \
 133         $(CXX_OBJS) $(BACKEND) $(CODYLIB) $(LIBDEPS)
 134         if [ -f ../stage_final ] \
 135            && cmp -s ../stage_current ../stage_final; then \
 136            cp ../prev-gcc/cc1plus-checksum.cc cc1plus-checksum.cc; \
 137         else \
 138           build/genchecksum$(build_exeext) $(CXX_OBJS) $(BACKEND) $(CODYLIB) $(LIBDEPS) \
 139                      checksum-options > cc1plus-checksum.cc.tmp &&         \
 140           $(srcdir)/../move-if-change cc1plus-checksum.cc.tmp cc1plus-checksum.cc; \
 141         fi
 142
 143 cc1plus$(exeext): $(CXX_OBJS) cc1plus-checksum.o $(BACKEND) $(CODYLIB) $(LIBDEPS) $(c++.prev)
 144         @$(call LINK_PROGRESS,$(INDEX.c++),start)
 145         +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
 146               $(CXX_OBJS) cc1plus-checksum.o $(BACKEND) $(CODYLIB) \
 147                 $(LIBS) $(BACKENDLIBS)
 148         @$(call LINK_PROGRESS,$(INDEX.c++),end)
 149
 150 ifeq ($(ENABLE_MAINTAINER_RULES), true)
 151 # Special build rule.  This is a maintainer rule, that is only
 152 # available when GCC is configured with --enable-maintainer-mode.  In
 153 # other cases, it is not available to avoid triggering rebuilds if a
 154 # user has the source checked out with unusual timestamps.
 155 $(srcdir)/cp/cfns.h: $(srcdir)/cp/cfns.gperf
 156 else
 157 # We keep the rule so that you can still force a rebuild, even if you
 158 # didn't configure GCC with --enable-maintainer-mode, by manually
 159 # deleting the $(srcdir)/cp/cfns.h file.
 160 $(srcdir)/cp/cfns.h:
 161 endif
 162         gperf -o -C -E -k '1-6,$$' -j1 -D -N 'libc_name_p' -L C++ \
 163                 $(srcdir)/cp/cfns.gperf --output-file $(srcdir)/cp/cfns.h
 164
 165 # We always need the dependency on the .gperf file because it itself is generated.
 166 ifeq ($(ENABLE_MAINTAINER_RULES), true)
 167 $(srcdir)/cp/std-name-hint.h: $(srcdir)/cp/std-name-hint.gperf
 168 else
 169 $(srcdir)/cp/std-name-hint.h: | $(srcdir)/cp/std-name-hint.gperf
 170 endif
 171         gperf -o -C -E -k '1,2,7,11,$$' -D -N find -L C++ \
 172                 $(srcdir)/cp/std-name-hint.gperf --output-file $(srcdir)/cp/std-name-hint.h
 173
 174 # The std-name-hint.gperf file itself is generated from a general
 175 # C++ API description.
 176 ifeq ($(ENABLE_MAINTAINER_RULES), true)
 177 $(srcdir)/cp/std-name-hint.gperf: $(srcdir)/cp/gen-cxxapi-file.py $(srcdir)/cp/cxxapi-data.csv
 178 else
 179 $(srcdir)/cp/std-name-hint.gperf:
 180 endif
 181         python3 $(srcdir)/cp/gen-cxxapi-file.py hints $(srcdir)/cp/cxxapi-data.csv > $@
 182 ifneq ($(ENABLE_MAINTAINER_RULES), true)
 183 .SECONDARY: $(srcdir)/cp/std-name-hint.gperf
 184 endif
 185
 186 # This is the file that depends on the generated header file.
 187 cp/name-lookup.o: $(srcdir)/cp/std-name-hint.h
 188
 189 components_in_prev = "bfd opcodes binutils fixincludes gas gcc gmp mpfr mpc isl gold intl ld libbacktrace libcpp libcody libdecnumber libiberty libiberty-linker-plugin libiconv zlib lto-plugin libctf libsframe"
 190 components_in_prev_target = "libstdc++-v3 libsanitizer libvtv libgcc libbacktrace libphobos zlib libgomp libatomic"
 191
 192 cc1plus.fda: create_fdas_for_cc1plus
 193         $(PROFILE_MERGER) $(shell ls -ha cc1plus_*.fda) --output_file cc1plus.fda -gcov_version 2
 194
 195 create_fdas_for_cc1plus: ../stage1-gcc/cc1plus$(exeext) ../prev-gcc/$(PERF_DATA)
 196         for component_in_prev in "$(components_in_prev)"; do \
 197           perf_path=../prev-$$component_in_prev/$(PERF_DATA); \
 198           echo "Perf path:"; \
 199           echo $$perf_path; \
 200           if [ -f $$perf_path ]; then \
 201             profile_name=cc1plus_$$component_in_prev.fda; \
 202             $(CREATE_GCOV) -binary ../stage1-gcc/cc1plus$(exeext) -gcov $$profile_name -profile $$perf_path -gcov_version 2; \
 203           fi; \
 204         done;
 205
 206         for component_in_prev_target in "$(components_in_prev_target)"; do \
 207           perf_path=../prev-$(TARGET_SUBDIR)/$$component_in_prev_target/$(PERF_DATA); \
 208           echo "Perf path:"; \
 209           echo $$perf_path; \
 210           if [ -f $$perf_path ]; then \
 211             profile_name=cc1plus_$$component_in_prev_target.fda; \
 212             $(CREATE_GCOV) -binary ../prev-gcc/cc1plus$(exeext) -gcov $$profile_name -profile $$perf_path -gcov_version 2; \
 213           fi; \
 214         done;
 215
 216         $(STAMP) $@
 217 #
 218 # Build hooks:
 219
 220 c++.all.cross: g++-cross$(exeext)
 221 c++.start.encap: xg++$(exeext)
 222 c++.rest.encap:
 223 c++.info:
 224 c++.install-info:
 225 c++.dvi:
 226 c++.install-dvi:
 227 c++.pdf:
 228 c++.install-pdf:
 229 c++.install-html:
 230 c++.html:
 231 c++.srcinfo:
 232 c++.srcextra:
 233
 234 c++.tags: force
 235         cd $(srcdir)/cp; $(ETAGS) -o TAGS.sub *.cc *.h \
 236           ../../libcody/*.cc ../../c++tools/*.cc \
 237           --language=none --regex='/DEFTREECODE [(]\([A-Z_]+\)/\1/' cp-tree.def; \
 238         $(ETAGS) --include TAGS.sub --include ../TAGS.sub
 239
 240 c++.man: doc/g++.1
 241
 242 c++.srcman: doc/g++.1
 243         -cp -p $^ $(srcdir)/doc
 244
 245 # C++ selftests
 246
 247 # If C++ is enabled, require the selftests to be run for it
 248 # at each stage of the build:
 249 selftest-c++: s-selftest-c++
 250
 251 CPP_SELFTEST_DEPS = cc1plus$(exeext) $(SELFTEST_DEPS)
 252 CPP_SELFTEST_FLAGS = -xc++ $(SELFTEST_FLAGS)
 253
 254 # Run the C++ selftests
 255 s-selftest-c++: $(CPP_SELFTEST_DEPS)
 256         $(GCC_FOR_SELFTESTS) $(CPP_SELFTEST_FLAGS)
 257         $(STAMP) $@
 258
 259 # Convenience method for running C++ selftests under gdb:
 260 .PHONY: selftest-c++-gdb
 261 selftest-c++-gdb: $(CPP_SELFTEST_DEPS)
 262         $(GCC_FOR_SELFTESTS) $(CPP_SELFTEST_FLAGS) \
 263           -wrapper gdb,--args
 264
 265 # Convenience method for running C++ selftests under valgrind:
 266 .PHONY: selftest-c++-valgrind
 267 selftest-c++-valgrind: $(CPP_SELFTEST_DEPS)
 268         $(GCC_FOR_SELFTESTS) $(CPP_SELFTEST_FLAGS) \
 269           -wrapper valgrind,--leak-check=full
 270
 271 # 'make check' in gcc/ looks for check-c++, as do all toplevel C++-related
 272 # check targets.  However, our DejaGNU framework requires 'check-g++' as its
 273 # entry point.  We feed the former to the latter here.
 274 check-c++ : check-g++
 275
 276 # Run the testsuite in C++17 mode.
 277 check-c++1z: check-c++17
 278 check-c++17:
 279         $(MAKE) RUNTESTFLAGS="$(RUNTESTFLAGS)" GXX_TESTSUITE_STDS=17 check-g++
 280
 281 # Run the testsuite in all standard conformance levels.
 282 check-c++-all:
 283         $(MAKE) RUNTESTFLAGS="$(RUNTESTFLAGS) --stds=98,11,14,17,20,23,impcx" check-g++
 284
 285 # Run the testsuite with garbage collection at every opportunity.
 286 check-g++-strict-gc:
 287         $(MAKE) RUNTESTFLAGS="$(RUNTESTFLAGS) --extra_opts,--param,ggc-min-heapsize=0,--param,ggc-min-expand=0,--param,hash-table-verification-limit=10000" \
 288           TESTSUITEDIR="$(TESTSUITEDIR).gc" check-g++
 289 check-c++-subtargets : check-g++-subtargets
 290 # List of targets that can use the generic check- rule and its // variant.
 291 lang_checks += check-g++
 292 lang_checks_parallelized += check-g++
 293 # For description see the check_$lang_parallelize comment in gcc/Makefile.in.
 294 check_g++_parallelize = 10000
 295 #\f
 296 # Install hooks:
 297 # cc1plus is installed elsewhere as part of $(COMPILERS).
 298
 299 # Install the driver program as $(target)-g++ and $(target)-c++, and
 300 # also as g++ and c++ if native.
 301 c++.install-common: installdirs
 302         -if test "$(enable_as_accelerator)" != "yes" ; then \
 303           rm -f $(DESTDIR)$(bindir)/$(GXX_INSTALL_NAME)$(exeext); \
 304           $(INSTALL_PROGRAM) xg++$(exeext) $(DESTDIR)$(bindir)/$(GXX_INSTALL_NAME)$(exeext); \
 305           chmod a+x $(DESTDIR)$(bindir)/$(GXX_INSTALL_NAME)$(exeext); \
 306           rm -f $(DESTDIR)$(bindir)/$(CXX_INSTALL_NAME)$(exeext); \
 307           ( cd $(DESTDIR)$(bindir) && \
 308             $(LN) $(GXX_INSTALL_NAME)$(exeext) $(CXX_INSTALL_NAME)$(exeext) ); \
 309           if [ -f cc1plus$(exeext) ] ; then \
 310             if [ ! -f g++-cross$(exeext) ] ; then \
 311               rm -f $(DESTDIR)$(bindir)/$(GXX_TARGET_INSTALL_NAME)$(exeext); \
 312               ( cd $(DESTDIR)$(bindir) && \
 313                 $(LN) $(GXX_INSTALL_NAME)$(exeext) $(GXX_TARGET_INSTALL_NAME)$(exeext) ); \
 314               rm -f $(DESTDIR)$(bindir)/$(CXX_TARGET_INSTALL_NAME)$(exeext); \
 315               ( cd $(DESTDIR)$(bindir) && \
 316                 $(LN) $(CXX_INSTALL_NAME)$(exeext) $(CXX_TARGET_INSTALL_NAME)$(exeext) ); \
 317             fi ; \
 318           fi; \
 319         fi
 320
 321 # We can't use links because not everyone supports them.  So just copy the
 322 # manpage.
 323 doc/g++.1: doc/gcc.1
 324         cp $< doc/g++.1
 325
 326 c++.install-man: $(DESTDIR)$(man1dir)/$(GXX_INSTALL_NAME)$(man1ext)
 327
 328 $(DESTDIR)$(man1dir)/$(GXX_INSTALL_NAME)$(man1ext): doc/g++.1 installdirs
 329         -rm -f $@
 330         -$(INSTALL_DATA) $< $@
 331         -chmod a-x $@
 332
 333 c++.install-plugin: installdirs
 334 # We keep the directory structure for files in config and .def files. All
 335 # other files are flattened to a single directory.
 336         headers="$(CP_PLUGIN_HEADERS)"; \
 337         for file in $$headers; do \
 338           path=$(srcdir)/cp/$$file; \
 339           dest=$(plugin_includedir)/cp/$$file; \
 340           echo $(INSTALL_DATA) $$path $(DESTDIR)$$dest; \
 341           dir=`dirname $$dest`; \
 342           $(mkinstalldirs) $(DESTDIR)$$dir; \
 343           $(INSTALL_DATA) $$path $(DESTDIR)$$dest; \
 344         done
 345 # Install import library.
 346 ifeq ($(plugin_implib),yes)
 347         $(mkinstalldirs) $(DESTDIR)$(plugin_resourcesdir)
 348         $(INSTALL_DATA) cc1plus$(exeext).a $(DESTDIR)$(plugin_resourcesdir)/cc1plus$(exeext).a
 349 endif
 350
 351 c++.uninstall:
 352         -rm -rf $(DESTDIR)$(bindir)/$(CXX_INSTALL_NAME)$(exeext)
 353         -rm -rf $(DESTDIR)$(bindir)/$(GXX_INSTALL_NAME)$(exeext)
 354         -rm -rf $(DESTDIR)$(man1dir)/$(GXX_INSTALL_NAME)$(man1ext)
 355 #\f
 356 # Clean hooks:
 357 # A lot of the ancillary files are deleted by the main makefile.
 358 # We just have to delete files specific to us.
 359
 360 c++.mostlyclean:
 361         -rm -f doc/g++.1
 362         -rm -f cp/*$(objext)
 363         -rm -f cp/*$(coverageexts)
 364         -rm -f xg++$(exeext) g++-cross$(exeext) cc1plus$(exeext) cc1plus*.fda
 365 c++.clean:
 366 c++.distclean:
 367         -rm -f cp/config.status cp/Makefile
 368 c++.maintainer-clean:
 369 #\f
 370 # Stage hooks:
 371 # The main makefile has already created stage?/cp.
 372
 373 c++.stage1: stage1-start
 374         -mv cp/*$(objext) stage1/cp
 375 c++.stage2: stage2-start
 376         -mv cp/*$(objext) stage2/cp
 377 c++.stage3: stage3-start
 378         -mv cp/*$(objext) stage3/cp
 379 c++.stage4: stage4-start
 380         -mv cp/*$(objext) stage4/cp
 381 c++.stageprofile: stageprofile-start
 382         -mv cp/*$(objext) stageprofile/cp
 383 c++.stagefeedback: stagefeedback-start
 384         -mv cp/*$(objext) stagefeedback/cp
 385 c++.autostageprofile: stageprofile-start
 386         -mv cp/*$(objext) autostageprofile/cp
 387 c++.autostagefeedback: stagefeedback-start
 388         -mv cp/*$(objext) autostagefeedback/cp