Commit 28d213ba authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo

perf tools: Diplays more output on features check for make V=1

Adding more verbose output for compile time features checking, to ease
up debuging of feature detection failures.
Suggested-by: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarJiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-fbjha6xs5soyaiek8j4142xg@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent ce37f400
......@@ -155,15 +155,15 @@ SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
-include config/feature-tests.mak
ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all),y)
ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
CFLAGS := $(CFLAGS) -fstack-protector-all
endif
ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wstack-protector),y)
ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wstack-protector,-Wstack-protector),y)
CFLAGS := $(CFLAGS) -Wstack-protector
endif
ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wvolatile-register-var),y)
ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wvolatile-register-var,-Wvolatile-register-var),y)
CFLAGS := $(CFLAGS) -Wvolatile-register-var
endif
......@@ -172,7 +172,7 @@ endif
BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -I$(OUTPUT)util -I$(TRACE_EVENT_DIR) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
BASIC_LDFLAGS =
ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS)),y)
ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
BIONIC := 1
EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
......@@ -477,9 +477,9 @@ ifdef NO_LIBELF
NO_LIBUNWIND := 1
else
FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF)),y)
ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS)
ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC)),y)
ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
LIBC_SUPPORT := 1
endif
ifeq ($(BIONIC),1)
......@@ -494,7 +494,7 @@ ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF)),y)
endif
else
FLAGS_DWARF=$(ALL_CFLAGS) -ldw -lelf $(ALL_LDFLAGS) $(EXTLIBS)
ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF)),y)
ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
NO_DWARF := 1
endif # Dwarf support
......@@ -510,7 +510,7 @@ ifdef LIBUNWIND_DIR
endif
FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(ALL_CFLAGS) $(LIBUNWIND_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND)),y)
ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y)
msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
NO_LIBUNWIND := 1
endif # Libunwind support
......@@ -539,7 +539,7 @@ LIB_OBJS += $(OUTPUT)util/symbol-minimal.o
else # NO_LIBELF
BASIC_CFLAGS += -DLIBELF_SUPPORT
ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_COMMON)),y)
ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_COMMON),-DLIBELF_MMAP),y)
BASIC_CFLAGS += -DLIBELF_MMAP
endif
......@@ -565,7 +565,7 @@ endif
ifndef NO_LIBAUDIT
FLAGS_LIBAUDIT = $(ALL_CFLAGS) $(ALL_LDFLAGS) -laudit
ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT)),y)
ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT),libaudit),y)
msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
else
BASIC_CFLAGS += -DLIBAUDIT_SUPPORT
......@@ -576,7 +576,7 @@ endif
ifndef NO_NEWT
FLAGS_NEWT=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -lnewt
ifneq ($(call try-cc,$(SOURCE_NEWT),$(FLAGS_NEWT)),y)
ifneq ($(call try-cc,$(SOURCE_NEWT),$(FLAGS_NEWT),libnewt),y)
msg := $(warning newt not found, disables TUI support. Please install newt-devel or libnewt-dev);
else
# Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
......@@ -605,10 +605,10 @@ endif
ifndef NO_GTK2
FLAGS_GTK2=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2)),y)
ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2),gtk2),y)
msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
else
ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2)),y)
ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2),-DHAVE_GTK_INFO_BAR),y)
BASIC_CFLAGS += -DHAVE_GTK_INFO_BAR
endif
BASIC_CFLAGS += -DGTK2_SUPPORT
......@@ -635,7 +635,7 @@ else
PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED)),y)
ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y)
BASIC_CFLAGS += -DNO_LIBPERL
else
ALL_LDFLAGS += $(PERL_EMBED_LDFLAGS)
......@@ -689,11 +689,11 @@ else
PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED)),y)
ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED),python),y)
$(call disable-python,Python.h (for Python 2.x))
else
ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED)),y)
ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED),python version),y)
$(warning Python 3 is not yet supported; please set)
$(warning PYTHON and/or PYTHON_CONFIG appropriately.)
$(warning If you also have Python 2 installed, then)
......@@ -727,22 +727,22 @@ else
BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
else
FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD))
has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd)
ifeq ($(has_bfd),y)
EXTLIBS += -lbfd
else
FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY))
has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
ifeq ($(has_bfd_iberty),y)
EXTLIBS += -lbfd -liberty
else
FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z))
has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
ifeq ($(has_bfd_iberty_z),y)
EXTLIBS += -lbfd -liberty -lz
else
FLAGS_CPLUS_DEMANGLE=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -liberty
has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE))
has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
ifeq ($(has_cplus_demangle),y)
EXTLIBS += -liberty
BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
......@@ -764,19 +764,19 @@ ifeq ($(NO_PERF_REGS),0)
endif
ifndef NO_STRLCPY
ifeq ($(call try-cc,$(SOURCE_STRLCPY),),y)
ifeq ($(call try-cc,$(SOURCE_STRLCPY),,-DHAVE_STRLCPY),y)
BASIC_CFLAGS += -DHAVE_STRLCPY
endif
endif
ifndef NO_ON_EXIT
ifeq ($(call try-cc,$(SOURCE_ON_EXIT),),y)
ifeq ($(call try-cc,$(SOURCE_ON_EXIT),,-DHAVE_ON_EXIT),y)
BASIC_CFLAGS += -DHAVE_ON_EXIT
endif
endif
ifndef NO_BACKTRACE
ifeq ($(call try-cc,$(SOURCE_BACKTRACE),),y)
ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DBACKTRACE_SUPPORT),y)
BASIC_CFLAGS += -DBACKTRACE_SUPPORT
endif
endif
......
......@@ -180,9 +180,16 @@ _gea_warn = $(warning The path '$(1)' is not executable.)
_gea_err = $(if $(1),$(error Please set '$(1)' appropriately))
# try-cc
# Usage: option = $(call try-cc, source-to-build, cc-options)
# Usage: option = $(call try-cc, source-to-build, cc-options, msg)
ifndef V
TRY_CC_OUTPUT= > /dev/null 2>&1
else
TRY_CC_MSG=echo "CHK $(3)" 1>&2;
endif
try-cc = $(shell sh -c \
'TMP="$(OUTPUT)$(TMPOUT).$$$$"; \
$(TRY_CC_MSG) \
echo "$(1)" | \
$(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \
$(CC) -x c - $(2) -o "$$TMP" $(TRY_CC_OUTPUT) && echo y; \
rm -f "$$TMP"')
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