# ---------------------------------------------
AS = @AS@
-AR = @AR@
+AR = @AR@ @AR_PLUGIN_OPTION@
AR_FLAGS = rc
CC = @CC@
CXX = @CXX@
LIPO = @LIPO@
NM = @NM@
OBJDUMP = @OBJDUMP@
-RANLIB = @RANLIB@
+RANLIB = @RANLIB@ @RANLIB_PLUGIN_OPTION@
READELF = @READELF@
STRIP = @STRIP@
WINDRES = @WINDRES@
LIBCXXFLAGS = $(CXXFLAGS) -fno-implicit-templates
GOCFLAGS = $(CFLAGS)
+# Pass additional PGO and LTO compiler options to the PGO build.
+BUILD_CFLAGS = $(PGO_BUILD_CFLAGS) $(PGO_BUILD_LTO_CFLAGS)
+override CFLAGS += $(BUILD_CFLAGS)
+override CXXFLAGS += $(BUILD_CFLAGS)
+
+# Additional PGO and LTO compiler options to generate profiling data
+# for the PGO build.
+PGO_BUILD_GEN_FLAGS_TO_PASS = \
+ PGO_BUILD_CFLAGS="@PGO_BUILD_GEN_CFLAGS@" \
+ PGO_BUILD_LTO_CFLAGS="@PGO_BUILD_LTO_CFLAGS@"
+
+# NB: Filter out any compiler options which may fail PGO training runs.
+PGO_BUILD_TRAINING_CFLAGS:= \
+ $(filter-out -Werror=%,$(CFLAGS))
+PGO_BUILD_TRAINING_CXXFLAGS:=\
+ $(filter-out -Werror=%,$(CXXFLAGS))
+PGO_BUILD_TRAINING_CFLAGS:= \
+ $(filter-out -Wall,$(PGO_BUILD_TRAINING_CFLAGS))
+PGO_BUILD_TRAINING_CXXFLAGS:= \
+ $(filter-out -Wall,$(PGO_BUILD_TRAINING_CXXFLAGS))
+PGO_BUILD_TRAINING_CFLAGS:= \
+ $(filter-out -specs=%,$(PGO_BUILD_TRAINING_CFLAGS))
+PGO_BUILD_TRAINING_CXXFLAGS:= \
+ $(filter-out -specs=%,$(PGO_BUILD_TRAINING_CXXFLAGS))
+PGO_BUILD_TRAINING_FLAGS_TO_PASS = \
+ PGO_BUILD_TRAINING=yes \
+ CFLAGS_FOR_TARGET="$(PGO_BUILD_TRAINING_CFLAGS)" \
+ CXXFLAGS_FOR_TARGET="$(PGO_BUILD_TRAINING_CXXFLAGS)"
+
+# Ignore "make check" errors in PGO training runs.
+PGO_BUILD_TRAINING_MFLAGS = -i
+
+# Additional PGO and LTO compiler options to use profiling data for the
+# PGO build.
+PGO_BUILD_USE_FLAGS_TO_PASS = \
+ PGO_BUILD_CFLAGS="@PGO_BUILD_USE_CFLAGS@" \
+ PGO_BUILD_LTO_CFLAGS="@PGO_BUILD_LTO_CFLAGS@"
+
+# PGO training targets for the PGO build. FIXME: Add gold tests to
+# training.
+PGO-TRAINING-TARGETS = binutils gas gdb ld sim
+PGO_BUILD_TRAINING = $(addprefix maybe-check-,$(PGO-TRAINING-TARGETS))
+
CREATE_GCOV = create_gcov
TFLAGS =
# The target built for a native non-bootstrap build.
.PHONY: all
+
+# --enable-pgo-build enables the PGO build.
+# 1. First build with -fprofile-generate.
+# 2. Use "make maybe-check-*" to generate profiling data.
+# 3. Use "make clean" to remove the previous build.
+# 4. Rebuild with -fprofile-use.
all:
@if gcc-bootstrap
[ -f stage_final ] || echo stage3 > stage_final
$(MAKE) $(RECURSE_FLAGS_TO_PASS) `cat stage_final`-bubble
@endif gcc-bootstrap
@: $(MAKE); $(unstage)
- @r=`${PWD_COMMAND}`; export r; \
+ +@r=`${PWD_COMMAND}`; export r; \
s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
@if gcc-bootstrap
if [ -f stage_last ]; then \
$(MAKE) $(TARGET_FLAGS_TO_PASS) all-host all-target; \
else \
@endif gcc-bootstrap
- $(MAKE) $(RECURSE_FLAGS_TO_PASS) all-host all-target \
+ $(MAKE) $(RECURSE_FLAGS_TO_PASS) \
+ $(PGO_BUILD_GEN_FLAGS_TO_PASS) all-host all-target \
+@if pgo-build
+ && $(MAKE) $(RECURSE_FLAGS_TO_PASS) \
+ $(PGO_BUILD_TRAINING_MFLAGS) \
+ $(PGO_BUILD_TRAINING_FLAGS_TO_PASS) \
+ $(PGO_BUILD_TRAINING) \
+ && $(MAKE) $(RECURSE_FLAGS_TO_PASS) clean \
+ && $(MAKE) $(RECURSE_FLAGS_TO_PASS) \
+ $(PGO_BUILD_USE_FLAGS_TO_PASS) all-host all-target \
+@endif pgo-build
@if gcc-bootstrap
; \
fi \
maybe-check-libctf: check-libctf
check-libctf:
+ @: $(MAKE); $(unstage)
+ @r=`${PWD_COMMAND}`; export r; \
+ s=`cd $(srcdir); ${PWD_COMMAND}`; export s; \
+ $(HOST_EXPORTS) $(EXTRA_HOST_EXPORTS) \
+ (cd $(HOST_SUBDIR)/libctf && \
+ $(MAKE) $(FLAGS_TO_PASS) $(EXTRA_BOOTSTRAP_FLAGS) check)
@endif libctf
all-gdb: maybe-all-sim
all-gdb: maybe-all-libtermcap
configure-gdbserver: maybe-all-gnulib
+all-gdbserver: maybe-all-gdbsupport
all-gdbserver: maybe-all-gnulib
configure-libgui: maybe-configure-tcl
configure-libgui: maybe-configure-tk
all-stagefeedback-ld: maybe-all-stagefeedback-libctf
install-binutils: maybe-install-opcodes
install-strip-binutils: maybe-install-strip-opcodes
+install-libctf: maybe-install-bfd
+install-ld: maybe-install-bfd
+install-ld: maybe-install-libctf
+install-strip-libctf: maybe-install-strip-bfd
+install-strip-ld: maybe-install-strip-bfd
+install-strip-ld: maybe-install-strip-libctf
install-opcodes: maybe-install-bfd
install-strip-opcodes: maybe-install-strip-bfd
configure-gas: maybe-configure-intl
install-sid: maybe-install-tk
install-strip-sid: maybe-install-strip-tk
all-sim: maybe-all-readline
-all-sim: maybe-configure-gdb
all-fastjar: maybe-all-build-texinfo
all-libctf: all-libiberty
all-stage1-libctf: all-stage1-libiberty
configure-stage4-libctf: maybe-all-stage4-libiconv
configure-stageprofile-libctf: maybe-all-stageprofile-libiconv
configure-stagefeedback-libctf: maybe-all-stagefeedback-libiconv
+check-libctf: maybe-all-ld
+check-stage1-libctf: maybe-all-stage1-ld
+check-stage2-libctf: maybe-all-stage2-ld
+check-stage3-libctf: maybe-all-stage3-ld
+check-stage4-libctf: maybe-all-stage4-ld
+check-stageprofile-libctf: maybe-all-stageprofile-ld
+check-stagefeedback-libctf: maybe-all-stagefeedback-ld
+distclean-gnulib: maybe-distclean-gdb
+distclean-gnulib: maybe-distclean-gdbserver
all-bison: maybe-all-build-texinfo
all-flex: maybe-all-build-bison
all-flex: maybe-all-m4
$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(srcdir)/config/acx.m4 \
$(srcdir)/config/override.m4 $(srcdir)/config/proginstall.m4 \
$(srcdir)/config/elf.m4 $(srcdir)/config/isl.m4 \
+ $(srcdir)/config/gcc-plugin.m4 \
$(srcdir)/libtool.m4 $(srcdir)/ltoptions.m4 $(srcdir)/ltsugar.m4 \
$(srcdir)/ltversion.m4 $(srcdir)/lt~obsolete.m4
cd $(srcdir) && $(AUTOCONF)