1# Top level -*- makefile -*- fragment for GNU C - C language. 2# Copyright (C) 1994-2020 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: gcc) 34# - the compiler proper (eg: cc1) 35# - define the names for selecting the language in LANGUAGES. 36 37# 38# Define the names for selecting c in LANGUAGES. 39c: cc1$(exeext) 40 41# Tell GNU make to ignore these if they exist. 42.PHONY: c gcc 43 44# The C front end driver. This is different from the drivers for other 45# front ends, because there is no C language specific driver (i.e. nothing 46# is to cc1 as e.g. g++ is to cc1plus, or gfortran is to f951). 47CFLAGS-c/gccspec.o += $(DRIVER_DEFINES) 48 49# The C compiler itself. 50 51# Language-specific object files for C and Objective C. 52C_AND_OBJC_OBJS = attribs.o c/c-errors.o c/c-decl.o c/c-typeck.o \ 53 c/c-convert.o c/c-aux-info.o c/c-objc-common.o c/c-parser.o \ 54 c/c-fold.o c/gimple-parser.o \ 55 $(C_COMMON_OBJS) $(C_TARGET_OBJS) 56 57# Language-specific object files for C. 58C_OBJS = c/c-lang.o c-family/stub-objc.o $(C_AND_OBJC_OBJS) 59c_OBJS = $(C_OBJS) cc1-checksum.o c/gccspec.o 60 61# Use strict warnings for this front end. 62c-warn = $(STRICT_WARN) 63 64ifeq ($(if $(wildcard ../stage_current),$(shell cat \ 65 ../stage_current)),stageautofeedback) 66$(C_OBJS): ALL_COMPILERFLAGS += -fauto-profile=cc1.fda 67$(C_OBJS): cc1.fda 68endif 69 70# compute checksum over all object files and the options 71# re-use the checksum from the prev-final stage so it passes 72# the bootstrap comparison and allows comparing of the cc1 binary 73cc1-checksum.c : build/genchecksum$(build_exeext) checksum-options \ 74 $(C_OBJS) $(BACKEND) $(LIBDEPS) 75 if [ -f ../stage_final ] \ 76 && cmp -s ../stage_current ../stage_final; then \ 77 cp ../prev-gcc/cc1-checksum.c cc1-checksum.c; \ 78 else \ 79 build/genchecksum$(build_exeext) $(C_OBJS) $(BACKEND) $(LIBDEPS) \ 80 checksum-options > cc1-checksum.c.tmp && \ 81 $(SHELL) $(srcdir)/../move-if-change cc1-checksum.c.tmp cc1-checksum.c; \ 82 fi 83 84cc1$(exeext): $(C_OBJS) cc1-checksum.o $(BACKEND) $(LIBDEPS) 85 +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ $(C_OBJS) \ 86 cc1-checksum.o $(BACKEND) $(LIBS) $(BACKENDLIBS) 87 88cc1.fda: ../stage1-gcc/cc1$(exeext) ../prev-gcc/$(PERF_DATA) 89 $(CREATE_GCOV) -binary ../stage1-gcc/cc1$(exeext) -gcov cc1.fda -profile ../prev-gcc/$(PERF_DATA) -gcov_version 1 90 91# 92# Build hooks: 93 94c.info: 95c.dvi: 96c.pdf: 97c.html: 98c.install-info: 99c.install-pdf: 100c.install-html: 101c.all.cross: 102c.start.encap: 103c.rest.encap: 104c.srcinfo: 105c.srcextra: gengtype-lex.c 106 -cp -p $^ $(srcdir) 107c.tags: force 108 cd $(srcdir)/c; etags -o TAGS.sub *.c *.h; \ 109 etags --include TAGS.sub --include ../TAGS.sub 110c.man: 111c.srcman: 112 113# C selftests 114 115# If C is enabled, require the selftests to be run for it 116# at each stage of the build: 117selftest-c: s-selftest-c 118 119C_SELFTEST_FLAGS = -xc $(SELFTEST_FLAGS) 120C_SELFTEST_DEPS = cc1$(exeext) $(SELFTEST_DEPS) 121 122# Run the C selftests: 123s-selftest-c: $(C_SELFTEST_DEPS) 124 @echo "NOT REBUILDING $@" 125NetBSD_DISABLED_s-selftest: 126 $(GCC_FOR_TARGET) $(C_SELFTEST_FLAGS) 127 $(STAMP) $@ 128 129# Convenience methods for running C selftests under gdb: 130.PHONY: selftest-c-gdb 131selftest-c-gdb: $(C_SELFTEST_DEPS) 132 $(GCC_FOR_TARGET) $(C_SELFTEST_FLAGS) \ 133 -wrapper gdb,--args 134 135.PHONY: selftest-gdb 136selftest-gdb: selftest-c-gdb 137 138# Convenience methods for running C selftests under valgrind: 139.PHONY: selftest-c-valgrind 140selftest-c-valgrind: $(C_SELFTEST_DEPS) 141 $(GCC_FOR_TARGET) $(C_SELFTEST_FLAGS) \ 142 -wrapper valgrind,--leak-check=full 143 144.PHONY: selftest-valgrind 145selftest-valgrind: selftest-c-valgrind 146 147# List of targets that can use the generic check- rule and its // variant. 148lang_checks += check-gcc 149lang_checks_parallelized += check-gcc 150# For description see the check_$lang_parallelize comment in gcc/Makefile.in. 151check_gcc_parallelize=10000 152 153# 'make check' in gcc/ looks for check-c. Redirect it to check-gcc. 154check-c : check-gcc 155 156# 157# Install hooks: 158# cc1 is installed elsewhere as part of $(COMPILERS). 159 160c.install-common: 161c.install-man: 162 163c.install-plugin: installdirs 164# Install import library. 165ifeq ($(plugin_implib),yes) 166 $(mkinstalldirs) $(DESTDIR)$(plugin_resourcesdir) 167 $(INSTALL_DATA) cc1$(exeext).a $(DESTDIR)/$(plugin_resourcesdir)/cc1$(exeext).a 168endif 169 170c.uninstall: 171 172# 173# Clean hooks: 174# A lot of the ancillary files are deleted by the main makefile. 175# We just have to delete files specific to us. 176 177c.mostlyclean: 178 -rm -f cc1$(exeext) 179 -rm -f c/*$(objext) 180 -rm -f c/*$(coverageexts) 181 -rm -f cc1.fda 182c.clean: 183c.distclean: 184 -rm -f c/config.status c/Makefile 185c.maintainer-clean: 186# 187# Stage hooks: 188# The main makefile has already created stage?/cp. 189 190c.stage1: stage1-start 191 -mv c/*$(objext) stage1/c 192c.stage2: stage2-start 193 -mv c/*$(objext) stage2/c 194c.stage3: stage3-start 195 -mv c/*$(objext) stage3/c 196c.stage4: stage4-start 197 -mv c/*$(objext) stage4/c 198c.stageprofile: stageprofile-start 199 -mv c/*$(objext) stageprofile/c 200c.stagefeedback: stagefeedback-start 201 -mv c/*$(objext) stagefeedback/c 202c.autostageprofile: autostageprofile-start 203 -mv c/*$(objext) autostageprofile/c 204c.autostagefeedback: autostagefeedback-start 205 -mv c/*$(objext) autostagefeedback/c 206