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# Top level -*- makefile -*- fragment for GNU C - C language.
# Copyright (C) 1994-2018 Free Software Foundation, Inc.
#This file is part of GCC.
#GCC is free software; you can redistribute it and/or modify
#it under the terms of the GNU General Public License as published by
#the Free Software Foundation; either version 3, or (at your option)
#any later version.
#GCC is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
# This file provides the language dependent support in the main Makefile.
# Each language makefile fragment must provide the following targets:
#
# foo.all.cross, foo.start.encap, foo.rest.encap,
# foo.install-common, foo.install-man, foo.install-info, foo.install-pdf,
# foo.install-html, foo.info, foo.dvi, foo.pdf, foo.html, foo.uninstall,
# foo.mostlyclean, foo.clean, foo.distclean,
# foo.maintainer-clean, foo.stage1, foo.stage2, foo.stage3, foo.stage4
#
# where `foo' is the name of the language.
#
# It should also provide rules for:
#
# - making any compiler driver (eg: gcc)
# - the compiler proper (eg: cc1)
# - define the names for selecting the language in LANGUAGES.
#
# Define the names for selecting c in LANGUAGES.
c: cc1$(exeext)
# Tell GNU make to ignore these if they exist.
.PHONY: c gcc
# The C front end driver. This is different from the drivers for other
# front ends, because there is no C language specific driver (i.e. nothing
# is to cc1 as e.g. g++ is to cc1plus, or gfortran is to f951).
CFLAGS-c/gccspec.o += $(DRIVER_DEFINES)
# The C compiler itself.
# Language-specific object files for C and Objective C.
C_AND_OBJC_OBJS = attribs.o c/c-errors.o c/c-decl.o c/c-typeck.o \
c/c-convert.o c/c-aux-info.o c/c-objc-common.o c/c-parser.o \
c/c-fold.o c/gimple-parser.o \
$(C_COMMON_OBJS) $(C_TARGET_OBJS)
# Language-specific object files for C.
C_OBJS = c/c-lang.o c-family/stub-objc.o $(C_AND_OBJC_OBJS)
c_OBJS = $(C_OBJS) cc1-checksum.o c/gccspec.o
# Use strict warnings for this front end.
c-warn = $(STRICT_WARN)
ifeq ($(if $(wildcard ../stage_current),$(shell cat \
../stage_current)),stageautofeedback)
$(C_OBJS): ALL_COMPILERFLAGS += -fauto-profile=cc1.fda
$(C_OBJS): cc1.fda
endif
# compute checksum over all object files and the options
# re-use the checksum from the prev-final stage so it passes
# the bootstrap comparison and allows comparing of the cc1 binary
cc1-checksum.c : build/genchecksum$(build_exeext) checksum-options \
$(C_OBJS) $(BACKEND) $(LIBDEPS)
if [ -f ../stage_final ] \
&& cmp -s ../stage_current ../stage_final; then \
cp ../prev-gcc/cc1-checksum.c cc1-checksum.c; \
else \
build/genchecksum$(build_exeext) $(C_OBJS) $(BACKEND) $(LIBDEPS) \
checksum-options > cc1-checksum.c.tmp && \
$(srcdir)/../move-if-change cc1-checksum.c.tmp cc1-checksum.c; \
fi
cc1$(exeext): $(C_OBJS) cc1-checksum.o $(BACKEND) $(LIBDEPS)
+$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ $(C_OBJS) \
cc1-checksum.o $(BACKEND) $(LIBS) $(BACKENDLIBS)
cc1.fda: ../stage1-gcc/cc1$(exeext) ../prev-gcc/$(PERF_DATA)
$(CREATE_GCOV) -binary ../stage1-gcc/cc1$(exeext) -gcov cc1.fda -profile ../prev-gcc/$(PERF_DATA) -gcov_version 1
#
# Build hooks:
c.info:
c.dvi:
c.pdf:
c.html:
c.install-info:
c.install-pdf:
c.install-html:
c.all.cross:
c.start.encap:
c.rest.encap:
c.srcinfo:
c.srcextra: gengtype-lex.c
-cp -p $^ $(srcdir)
c.tags: force
cd $(srcdir)/c; etags -o TAGS.sub *.c *.h; \
etags --include TAGS.sub --include ../TAGS.sub
c.man:
c.srcman:
# List of targets that can use the generic check- rule and its // variant.
lang_checks += check-gcc
lang_checks_parallelized += check-gcc
# For description see the check_$lang_parallelize comment in gcc/Makefile.in.
check_gcc_parallelize=10000
# 'make check' in gcc/ looks for check-c. Redirect it to check-gcc.
check-c : check-gcc
#
# Install hooks:
# cc1 is installed elsewhere as part of $(COMPILERS).
c.install-common:
c.install-man:
c.install-plugin: installdirs
# Install import library.
ifeq ($(plugin_implib),yes)
$(mkinstalldirs) $(DESTDIR)$(plugin_resourcesdir)
$(INSTALL_DATA) cc1$(exeext).a $(DESTDIR)/$(plugin_resourcesdir)/cc1$(exeext).a
endif
c.uninstall:
#
# Clean hooks:
# A lot of the ancillary files are deleted by the main makefile.
# We just have to delete files specific to us.
c.mostlyclean:
-rm -f cc1$(exeext)
-rm -f c/*$(objext)
-rm -f c/*$(coverageexts)
-rm -f cc1.fda
c.clean:
c.distclean:
-rm -f c/config.status c/Makefile
c.maintainer-clean:
#
# Stage hooks:
# The main makefile has already created stage?/cp.
c.stage1: stage1-start
-mv c/*$(objext) stage1/c
c.stage2: stage2-start
-mv c/*$(objext) stage2/c
c.stage3: stage3-start
-mv c/*$(objext) stage3/c
c.stage4: stage4-start
-mv c/*$(objext) stage4/c
c.stageprofile: stageprofile-start
-mv c/*$(objext) stageprofile/c
c.stagefeedback: stagefeedback-start
-mv c/*$(objext) stagefeedback/c
c.autostageprofile: autostageprofile-start
-mv c/*$(objext) autostageprofile/c
c.autostagefeedback: autostagefeedback-start
-mv c/*$(objext) autostagefeedback/c
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