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i f e q ( $( src -perf ) , )
src-perf := $( srctree) /tools/perf
e n d i f
i f e q ( $( obj -perf ) , )
obj-perf := $( OUTPUT)
e n d i f
i f n e q ( $( obj -perf ) , )
obj-perf := $( abspath $( obj-perf) ) /
e n d i f
$( shell printf "" > $ ( OUTPUT ) .config -detected )
detected = $( shell echo " $( 1) =y " >> $( OUTPUT) .config-detected)
detected_var = $( shell echo " $( 1) = $( $( 1) ) " >> $( OUTPUT) .config-detected)
CFLAGS := $( EXTRA_CFLAGS) $( EXTRA_WARNINGS)
i n c l u d e $( srctree ) / t o o l s / s c r i p t s / M a k e f i l e . a r c h
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$( call detected_var ,SRCARCH )
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NO_PERF_REGS := 1
# Additional ARCH settings for ppc
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i f e q ( $( SRCARCH ) , p o w e r p c )
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NO_PERF_REGS := 0
LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
e n d i f
# Additional ARCH settings for x86
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i f e q ( $( SRCARCH ) , x 8 6 )
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$( call detected,CONFIG_X86)
ifeq ( ${ IS_64_BIT } , 1)
CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$( OUTPUT) arch/x86/include/generated
ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
$( call detected,CONFIG_X86_64)
else
LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
endif
NO_PERF_REGS := 0
e n d i f
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i f e q ( $( SRCARCH ) , a r m )
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NO_PERF_REGS := 0
LIBUNWIND_LIBS = -lunwind -lunwind-arm
e n d i f
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i f e q ( $( SRCARCH ) , a r m 6 4 )
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NO_PERF_REGS := 0
LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
e n d i f
i f e q ( $( NO_PERF_REGS ) , 0 )
$( call detected,CONFIG_PERF_REGS)
e n d i f
# So far there's only x86 and arm libdw unwind support merged in perf.
# Disable it on all other architectures in case libdw unwind
# support is detected in system. Add supported architectures
# to the check.
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i f n e q ( $( SRCARCH ) , $( filter $ ( SRCARCH ) ,x 86 arm ) )
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NO_LIBDW_DWARF_UNWIND := 1
e n d i f
i f e q ( $( LIBUNWIND_LIBS ) , )
NO_LIBUNWIND := 1
e n d i f
#
# For linking with debug library, run like:
#
# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
#
libunwind_arch_set_flags = $( eval $( libunwind_arch_set_flags_code) )
d e f i n e l i b u n w i n d _ a r c h _ s e t _ f l a g s _ c o d e
FEATURE_CHECK_CFLAGS-libunwind-$( 1) = -I$( LIBUNWIND_DIR) /include
FEATURE_CHECK_LDFLAGS-libunwind-$( 1) = -L$( LIBUNWIND_DIR) /lib
e n d e f
i f d e f L I B U N W I N D _ D I R
LIBUNWIND_CFLAGS = -I$( LIBUNWIND_DIR) /include
LIBUNWIND_LDFLAGS = -L$( LIBUNWIND_DIR) /lib
LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
$( foreach libunwind_arch,$( LIBUNWIND_ARCHS) ,$( call libunwind_arch_set_flags,$( libunwind_arch) ) )
e n d i f
# Set per-feature check compilation flags
FEATURE_CHECK_CFLAGS-libunwind = $( LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind = $( LIBUNWIND_LDFLAGS) $( LIBUNWIND_LIBS)
FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $( LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $( LIBUNWIND_LDFLAGS) $( LIBUNWIND_LIBS)
i f e q ( $( NO_PERF_REGS ) , 0 )
CFLAGS += -DHAVE_PERF_REGS_SUPPORT
e n d i f
# for linking with debug library, run like:
# make DEBUG=1 LIBDW_DIR=/opt/libdw/
i f d e f L I B D W _ D I R
LIBDW_CFLAGS := -I$( LIBDW_DIR) /include
LIBDW_LDFLAGS := -L$( LIBDW_DIR) /lib
e n d i f
FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $( LIBDW_CFLAGS)
FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $( LIBDW_LDFLAGS) -ldw
# for linking with debug library, run like:
# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
i f d e f L I B B A B E L T R A C E _ D I R
LIBBABELTRACE_CFLAGS := -I$( LIBBABELTRACE_DIR) /include
LIBBABELTRACE_LDFLAGS := -L$( LIBBABELTRACE_DIR) /lib
e n d i f
FEATURE_CHECK_CFLAGS-libbabeltrace := $( LIBBABELTRACE_CFLAGS)
FEATURE_CHECK_LDFLAGS-libbabeltrace := $( LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
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FEATURE_CHECK_CFLAGS-bpf = -I. -I$( srctree) /tools/include -I$( srctree) /tools/arch/$( SRCARCH) /include/uapi -I$( srctree) /tools/include/uapi
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# include ARCH specific config
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- i n c l u d e $( src -perf ) / a r c h / $( SRCARCH ) / M a k e f i l e
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i f d e f P E R F _ H A V E _ A R C H _ R E G S _ Q U E R Y _ R E G I S T E R _ O F F S E T
CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
e n d i f
i n c l u d e $( srctree ) / t o o l s / s c r i p t s / u t i l i t i e s . m a k
i f e q ( $( call get -executable ,$ ( FLEX ) ) , )
dummy := $( error Error: $( FLEX) is missing on this system, please install it)
e n d i f
i f e q ( $( call get -executable ,$ ( BISON ) ) , )
dummy := $( error Error: $( BISON) is missing on this system, please install it)
e n d i f
# Treat warnings as errors unless directed not to
i f n e q ( $( WERROR ) , 0 )
CFLAGS += -Werror
e n d i f
i f n d e f D E B U G
DEBUG := 0
e n d i f
i f e q ( $( DEBUG ) , 0 )
CFLAGS += -O6
e n d i f
i f d e f P A R S E R _ D E B U G
PARSER_DEBUG_BISON := -t
PARSER_DEBUG_FLEX := -d
CFLAGS += -DPARSER_DEBUG
$( call detected_var,PARSER_DEBUG_BISON)
$( call detected_var,PARSER_DEBUG_FLEX)
e n d i f
# Try different combinations to accommodate systems that only have
# python[2][-config] in weird combinations but always preferring
# python2 and python2-config as per pep-0394. If we catch a
# python[-config] in version 3, the version check will kill it.
PYTHON2 := $( if $( call get-executable,python2) ,python2,python)
override PYTHON : = $( call get -executable -or -default ,PYTHON ,$ ( PYTHON 2) )
PYTHON2_CONFIG := \
$( if $( call get-executable,$( PYTHON) -config) ,$( PYTHON) -config,python-config)
override PYTHON_CONFIG : = \
$( call get-executable-or-default,PYTHON_CONFIG,$( PYTHON2_CONFIG) )
PYTHON_CONFIG_SQ := $( call shell-sq,$( PYTHON_CONFIG) )
PYTHON_EMBED_LDOPTS := $( shell $( PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
PYTHON_EMBED_CCOPTS := $( shell $( PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
FEATURE_CHECK_CFLAGS-libpython := $( PYTHON_EMBED_CCOPTS)
FEATURE_CHECK_LDFLAGS-libpython := $( PYTHON_EMBED_LDOPTS)
FEATURE_CHECK_CFLAGS-libpython-version := $( PYTHON_EMBED_CCOPTS)
FEATURE_CHECK_LDFLAGS-libpython-version := $( PYTHON_EMBED_LDOPTS)
CFLAGS += -fno-omit-frame-pointer
CFLAGS += -ggdb3
CFLAGS += -funwind-tables
CFLAGS += -Wall
CFLAGS += -Wextra
CFLAGS += -std= gnu99
# Enforce a non-executable stack, as we may regress (again) in the future by
# adding assembler files missing the .GNU-stack linker note.
LDFLAGS += -Wl,-z,noexecstack
EXTLIBS = -lpthread -lrt -lm -ldl
i f e q ( $( FEATURES_DUMP ) , )
i n c l u d e $( srctree ) / t o o l s / b u i l d / M a k e f i l e . f e a t u r e
e l s e
i n c l u d e $( FEATURES_DUMP )
e n d i f
i f e q ( $( feature -stackprotector -all ) , 1 )
CFLAGS += -fstack-protector-all
e n d i f
i f e q ( $( DEBUG ) , 0 )
ifeq ( $( feature-fortify-source) , 1)
CFLAGS += -D_FORTIFY_SOURCE= 2
endif
e n d i f
CFLAGS += -I$( src-perf) /util/include
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CFLAGS += -I$( src-perf) /arch/$( SRCARCH) /include
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CFLAGS += -I$( srctree) /tools/include/uapi
CFLAGS += -I$( srctree) /tools/include/
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CFLAGS += -I$( srctree) /tools/arch/$( SRCARCH) /include/uapi
CFLAGS += -I$( srctree) /tools/arch/$( SRCARCH) /include/
CFLAGS += -I$( srctree) /tools/arch/$( SRCARCH) /
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# $(obj-perf) for generated common-cmds.h
# $(obj-perf)/util for generated bison/flex headers
i f n e q ( $( OUTPUT ) , )
CFLAGS += -I$( obj-perf) /util
CFLAGS += -I$( obj-perf)
e n d i f
CFLAGS += -I$( src-perf) /util
CFLAGS += -I$( src-perf)
CFLAGS += -I$( srctree) /tools/lib/
CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS= 64 -D_GNU_SOURCE
i f e q ( $( feature -sync -compare -and -swap ) , 1 )
CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
e n d i f
i f e q ( $( feature -pthread -attr -setaffinity -np ) , 1 )
CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
e n d i f
i f n d e f N O _ B I O N I C
$( call feature_check,bionic)
ifeq ( $( feature-bionic) , 1)
BIONIC := 1
EXTLIBS := $( filter-out -lrt,$( EXTLIBS) )
EXTLIBS := $( filter-out -lpthread,$( EXTLIBS) )
endif
e n d i f
i f d e f N O _ L I B E L F
NO_DWARF := 1
NO_DEMANGLE := 1
NO_LIBUNWIND := 1
NO_LIBDW_DWARF_UNWIND := 1
NO_LIBBPF := 1
e l s e
ifeq ( $( feature-libelf) , 0)
ifeq ( $( feature-glibc) , 1)
LIBC_SUPPORT := 1
endif
ifeq ( $( BIONIC) ,1)
LIBC_SUPPORT := 1
endif
ifeq ( $( LIBC_SUPPORT) ,1)
msg := $( warning No libelf found, disables 'probe' tool and BPF support in 'perf record' , please install libelf-dev, libelf-devel or elfutils-libelf-devel) ;
NO_LIBELF := 1
NO_DWARF := 1
NO_DEMANGLE := 1
NO_LIBUNWIND := 1
NO_LIBDW_DWARF_UNWIND := 1
NO_LIBBPF := 1
else
ifneq ( $( filter s% -static%,$( LDFLAGS) ,) ,)
msg := $( error No static glibc found, please install glibc-static) ;
else
msg := $( error No gnu/libc-version.h found, please install glibc-dev[ el] ) ;
endif
endif
else
ifndef NO_LIBDW_DWARF_UNWIND
ifneq ( $( feature-libdw-dwarf-unwind) ,1)
NO_LIBDW_DWARF_UNWIND := 1
msg := $( warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR) ;
endif
endif
ifneq ( $( feature-dwarf) , 1)
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
else
ifneq ( $( feature-dwarf_getlocations) , 1)
msg := $( warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157) ;
else
CFLAGS += -DHAVE_DWARF_GETLOCATIONS
endif # dwarf_getlocations
endif # Dwarf support
endif # libelf support
e n d i f # NO_LIBELF
i f d e f N O _ D W A R F
NO_LIBDW_DWARF_UNWIND := 1
e n d i f
i f n d e f N O _ L I B E L F
CFLAGS += -DHAVE_LIBELF_SUPPORT
EXTLIBS += -lelf
$( call detected,CONFIG_LIBELF)
ifeq ( $( feature-libelf-mmap) , 1)
CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
endif
ifeq ( $( feature-libelf-getphdrnum) , 1)
CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
endif
ifeq ( $( feature-libelf-gelf_getnote) , 1)
CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
else
msg := $( warning gelf_getnote( ) not found on libelf, SDT support disabled) ;
endif
ifeq ( $( feature-libelf-getshdrstrndx) , 1)
CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
endif
ifndef NO_DWARF
ifeq ( $( origin PERF_HAVE_DWARF_REGS) , undefined)
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msg := $( warning DWARF register mappings have not been defined for architecture $( SRCARCH) , DWARF support disabled) ;
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NO_DWARF := 1
else
CFLAGS += -DHAVE_DWARF_SUPPORT $( LIBDW_CFLAGS)
LDFLAGS += $( LIBDW_LDFLAGS)
DWARFLIBS := -ldw
ifeq ( $( findstring -static,${ LDFLAGS } ) ,-static)
DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
endif
EXTLIBS += ${ DWARFLIBS }
$( call detected,CONFIG_DWARF)
endif # PERF_HAVE_DWARF_REGS
endif # NO_DWARF
ifndef NO_LIBBPF
ifeq ( $( feature-bpf) , 1)
CFLAGS += -DHAVE_LIBBPF_SUPPORT
$( call detected,CONFIG_LIBBPF)
endif
ifndef NO_DWARF
ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
CFLAGS += -DHAVE_BPF_PROLOGUE
$( call detected,CONFIG_BPF_PROLOGUE)
else
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msg := $( warning BPF prologue is not supported by architecture $( SRCARCH) , missing regs_query_register_offset( ) ) ;
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endif
else
msg := $( warning DWARF support is off, BPF prologue is disabled) ;
endif
endif # NO_LIBBPF
e n d i f # NO_LIBELF
i f n d e f N O _ S D T
ifneq ( $( feature-sdt) , 1)
msg := $( warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev) ;
NO_SDT := 1;
else
CFLAGS += -DHAVE_SDT_EVENT
$( call detected,CONFIG_SDT_EVENT)
endif
e n d i f
i f d e f P E R F _ H A V E _ J I T D U M P
ifndef NO_LIBELF
$( call detected,CONFIG_JITDUMP)
CFLAGS += -DHAVE_JITDUMP
endif
e n d i f
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i f e q ( $( SRCARCH ) , p o w e r p c )
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ifndef NO_DWARF
CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
endif
e n d i f
i f n d e f N O _ L I B U N W I N D
have_libunwind :=
ifeq ( $( feature-libunwind-x86) , 1)
$( call detected,CONFIG_LIBUNWIND_X86)
CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
LDFLAGS += -lunwind-x86
EXTLIBS_LIBUNWIND += -lunwind-x86
have_libunwind = 1
endif
ifeq ( $( feature-libunwind-aarch64) , 1)
$( call detected,CONFIG_LIBUNWIND_AARCH64)
CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
LDFLAGS += -lunwind-aarch64
EXTLIBS_LIBUNWIND += -lunwind-aarch64
have_libunwind = 1
$( call feature_check,libunwind-debug-frame-aarch64)
ifneq ( $( feature-libunwind-debug-frame-aarch64) , 1)
msg := $( warning No debug_frame support found in libunwind-aarch64) ;
CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
endif
endif
ifneq ( $( feature-libunwind) , 1)
msg := $( warning No libunwind found. Please install libunwind-dev[ el] >= 1.1 and/or set LIBUNWIND_DIR) ;
NO_LOCAL_LIBUNWIND := 1
else
have_libunwind := 1
$( call detected,CONFIG_LOCAL_LIBUNWIND)
endif
ifneq ( $( have_libunwind) , 1)
NO_LIBUNWIND := 1
endif
e l s e
NO_LOCAL_LIBUNWIND := 1
e n d i f
i f n d e f N O _ L I B B P F
ifneq ( $( feature-bpf) , 1)
msg := $( warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
NO_LIBBPF := 1
endif
e n d i f
dwarf-post-unwind := 1
dwarf-post-unwind-text := BUG
# setup DWARF post unwinder
i f d e f N O _ L I B U N W I N D
ifdef NO_LIBDW_DWARF_UNWIND
msg := $( warning Disabling post unwind, no support found.) ;
dwarf-post-unwind := 0
else
dwarf-post-unwind-text := libdw
$( call detected,CONFIG_LIBDW_DWARF_UNWIND)
endif
e l s e
dwarf-post-unwind-text := libunwind
$( call detected,CONFIG_LIBUNWIND)
# Enable libunwind support by default.
ifndef NO_LIBDW_DWARF_UNWIND
NO_LIBDW_DWARF_UNWIND := 1
endif
e n d i f
i f e q ( $( dwarf -post -unwind ) , 1 )
CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
$( call detected,CONFIG_DWARF_UNWIND)
e l s e
NO_DWARF_UNWIND := 1
e n d i f
i f n d e f N O _ L O C A L _ L I B U N W I N D
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ifeq ( $( SRCARCH) ,$( filter $( SRCARCH) ,arm arm64) )
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$( call feature_check,libunwind-debug-frame)
ifneq ( $( feature-libunwind-debug-frame) , 1)
msg := $( warning No debug_frame support found in libunwind) ;
CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
endif
else
# non-ARM has no dwarf_find_debug_frame() function:
CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
endif
EXTLIBS += $( LIBUNWIND_LIBS)
LDFLAGS += $( LIBUNWIND_LIBS)
e n d i f
i f n d e f N O _ L I B U N W I N D
CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
CFLAGS += $( LIBUNWIND_CFLAGS)
LDFLAGS += $( LIBUNWIND_LDFLAGS)
EXTLIBS += $( EXTLIBS_LIBUNWIND)
e n d i f
i f n d e f N O _ L I B A U D I T
ifneq ( $( feature-libaudit) , 1)
msg := $( warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev) ;
NO_LIBAUDIT := 1
else
CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
EXTLIBS += -laudit
$( call detected,CONFIG_AUDIT)
endif
e n d i f
i f n d e f N O _ L I B C R Y P T O
ifneq ( $( feature-libcrypto) , 1)
msg := $( warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev) ;
NO_LIBCRYPTO := 1
else
CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
EXTLIBS += -lcrypto
$( call detected,CONFIG_CRYPTO)
endif
e n d i f
i f d e f N O _ N E W T
NO_SLANG = 1
e n d i f
i f n d e f N O _ S L A N G
ifneq ( $( feature-libslang) , 1)
msg := $( warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev) ;
NO_SLANG := 1
else
# Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
CFLAGS += -I/usr/include/slang
CFLAGS += -DHAVE_SLANG_SUPPORT
EXTLIBS += -lslang
$( call detected,CONFIG_SLANG)
endif
e n d i f
i f n d e f N O _ G T K 2
FLAGS_GTK2 = $( CFLAGS) $( LDFLAGS) $( EXTLIBS) $( shell $( PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
ifneq ( $( feature-gtk2) , 1)
msg := $( warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev) ;
NO_GTK2 := 1
else
ifeq ( $( feature-gtk2-infobar) , 1)
GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
endif
CFLAGS += -DHAVE_GTK2_SUPPORT
GTK_CFLAGS += $( shell $( PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
GTK_LIBS := $( shell $( PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
EXTLIBS += -ldl
endif
e n d i f
grep-libs = $( filter -l%,$( 1) )
strip-libs = $( filter-out -l%,$( 1) )
i f d e f N O _ L I B P E R L
CFLAGS += -DNO_LIBPERL
e l s e
PERL_EMBED_LDOPTS = $( shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
PERL_EMBED_LDFLAGS = $( call strip-libs,$( PERL_EMBED_LDOPTS) )
PERL_EMBED_LIBADD = $( call grep-libs,$( PERL_EMBED_LDOPTS) )
PERL_EMBED_CCOPTS = ` perl -MExtUtils::Embed -e ccopts 2>/dev/null`
FLAGS_PERL_EMBED = $( PERL_EMBED_CCOPTS) $( PERL_EMBED_LDOPTS)
ifneq ( $( feature-libperl) , 1)
CFLAGS += -DNO_LIBPERL
NO_LIBPERL := 1
msg := $( warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev) ;
else
LDFLAGS += $( PERL_EMBED_LDFLAGS)
EXTLIBS += $( PERL_EMBED_LIBADD)
$( call detected,CONFIG_LIBPERL)
endif
e n d i f
i f e q ( $( feature -timerfd ) , 1 )
CFLAGS += -DHAVE_TIMERFD_SUPPORT
e l s e
msg := $( warning No timerfd support. Disables 'perf kvm stat live' ) ;
e n d i f
disable-python = $( eval $( disable-python_code) )
d e f i n e d i s a b l e - p y t h o n _ c o d e
CFLAGS += -DNO_LIBPYTHON
$( warning $1 )
NO_LIBPYTHON := 1
e n d e f
i f d e f N O _ L I B P Y T H O N
$( call disable-python,Python support disabled by user)
e l s e
ifndef PYTHON
$( call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
else
PYTHON_WORD := $( call shell-wordify,$( PYTHON) )
ifndef PYTHON_CONFIG
$( call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
else
PYTHON_CONFIG_SQ := $( call shell-sq,$( PYTHON_CONFIG) )
PYTHON_EMBED_LDOPTS := $( shell $( PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
PYTHON_EMBED_LDFLAGS := $( call strip-libs,$( PYTHON_EMBED_LDOPTS) )
PYTHON_EMBED_LIBADD := $( call grep-libs,$( PYTHON_EMBED_LDOPTS) ) -lutil
PYTHON_EMBED_CCOPTS := $( shell $( PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
FLAGS_PYTHON_EMBED := $( PYTHON_EMBED_CCOPTS) $( PYTHON_EMBED_LDOPTS)
ifneq ( $( feature-libpython) , 1)
$( call disable-python,No 'Python.h' ( for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
else
ifneq ( $( feature-libpython-version) , 1)
$( 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 )
$( warning try something like:)
$( warning $( and ,) )
$( warning $( and ,) make PYTHON = python2)
$( warning $( and ,) )
$( warning Otherwise, disable Python support entirely:)
$( warning $( and ,) )
$( warning $( and ,) make NO_LIBPYTHON = 1)
$( warning $( and ,) )
$( error $( and ,) )
else
LDFLAGS += $( PYTHON_EMBED_LDFLAGS)
EXTLIBS += $( PYTHON_EMBED_LIBADD)
LANG_BINDINGS += $( obj-perf) python/perf.so
$( call detected,CONFIG_LIBPYTHON)
endif
endif
endif
endif
e n d i f
i f e q ( $( feature -libbfd ) , 1 )
EXTLIBS += -lbfd
# call all detections now so we get correct
# status in VF output
$( call feature_check,liberty)
$( call feature_check,liberty-z)
$( call feature_check,cplus-demangle)
ifeq ( $( feature-liberty) , 1)
EXTLIBS += -liberty
else
ifeq ( $( feature-liberty-z) , 1)
EXTLIBS += -liberty -lz
endif
endif
e n d i f
i f d e f N O _ D E M A N G L E
CFLAGS += -DNO_DEMANGLE
e l s e
ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
EXTLIBS += -liberty
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
else
ifneq ( $( feature-libbfd) , 1)
ifneq ( $( feature-liberty) , 1)
ifneq ( $( feature-liberty-z) , 1)
# we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
# or any of 'bfd iberty z' trinity
ifeq ( $( feature-cplus-demangle) , 1)
EXTLIBS += -liberty
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
else
msg := $( warning No bfd.h/libbfd found, please install binutils-dev[ el] /zlib-static/libiberty-dev to gain symbol demangling)
CFLAGS += -DNO_DEMANGLE
endif
endif
endif
endif
endif
e n d i f
i f n e q ( $( filter -lbfd ,$ ( EXTLIBS ) ) , )
CFLAGS += -DHAVE_LIBBFD_SUPPORT
e n d i f
i f n d e f N O _ Z L I B
ifeq ( $( feature-zlib) , 1)
CFLAGS += -DHAVE_ZLIB_SUPPORT
EXTLIBS += -lz
$( call detected,CONFIG_ZLIB)
else
NO_ZLIB := 1
endif
e n d i f
i f n d e f N O _ L Z M A
ifeq ( $( feature-lzma) , 1)
CFLAGS += -DHAVE_LZMA_SUPPORT
EXTLIBS += -llzma
$( call detected,CONFIG_LZMA)
else
msg := $( warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev) ;
NO_LZMA := 1
endif
e n d i f
i f n d e f N O _ B A C K T R A C E
ifeq ( $( feature-backtrace) , 1)
CFLAGS += -DHAVE_BACKTRACE_SUPPORT
endif
e n d i f
i f n d e f N O _ L I B N U M A
ifeq ( $( feature-libnuma) , 0)
msg := $( warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev) ;
NO_LIBNUMA := 1
else
ifeq ( $( feature-numa_num_possible_cpus) , 0)
msg := $( warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8) ;
NO_LIBNUMA := 1
else
CFLAGS += -DHAVE_LIBNUMA_SUPPORT
EXTLIBS += -lnuma
$( call detected,CONFIG_NUMA)
endif
endif
e n d i f
i f d e f H A V E _ K V M _ S T A T _ S U P P O R T
CFLAGS += -DHAVE_KVM_STAT_SUPPORT
e n d i f
i f e q ( $ { I S _ 6 4 _ B I T } , 1 )
ifndef NO_PERF_READ_VDSO32
$( call feature_check,compile-32)
ifeq ( $( feature-compile-32) , 1)
CFLAGS += -DHAVE_PERF_READ_VDSO32
else
NO_PERF_READ_VDSO32 := 1
endif
endif
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ifneq ( $( SRCARCH) , x86)
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NO_PERF_READ_VDSOX32 := 1
endif
ifndef NO_PERF_READ_VDSOX32
$( call feature_check,compile-x32)
ifeq ( $( feature-compile-x32) , 1)
CFLAGS += -DHAVE_PERF_READ_VDSOX32
else
NO_PERF_READ_VDSOX32 := 1
endif
endif
e l s e
NO_PERF_READ_VDSO32 := 1
NO_PERF_READ_VDSOX32 := 1
e n d i f
i f d e f L I B B A B E L T R A C E
$( call feature_check,libbabeltrace)
ifeq ( $( feature-libbabeltrace) , 1)
CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $( LIBBABELTRACE_CFLAGS)
LDFLAGS += $( LIBBABELTRACE_LDFLAGS)
EXTLIBS += -lbabeltrace-ctf
$( call detected,CONFIG_LIBBABELTRACE)
else
msg := $( warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[ el] /libbabeltrace-ctf-dev) ;
endif
e n d i f
i f n d e f N O _ A U X T R A C E
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ifeq ( $( SRCARCH) ,x86)
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ifeq ( $( feature-get_cpuid) , 0)
msg := $( warning Your gcc lacks the __get_cpuid( ) builtin, disables support for auxtrace/Intel PT, please install a newer gcc) ;
NO_AUXTRACE := 1
endif
endif
ifndef NO_AUXTRACE
$( call detected,CONFIG_AUXTRACE)
CFLAGS += -DHAVE_AUXTRACE_SUPPORT
endif
e n d i f
# Among the variables below, these:
# perfexecdir
# template_dir
# mandir
# infodir
# htmldir
# ETC_PERFCONFIG (but not sysconfdir)
# can be specified as a relative path some/where/else;
# this is interpreted as relative to $(prefix) and "perf" at
# runtime figures out where they are based on the path to the executable.
# This can help installing the suite in a relocatable way.
# Make the path relative to DESTDIR, not to prefix
i f n d e f D E S T D I R
prefix ?= $( HOME)
e n d i f
bindir_relative = bin
bindir = $( abspath $( prefix) /$( bindir_relative) )
mandir = share/man
infodir = share/info
perfexecdir = libexec/perf-core
sharedir = $( prefix) /share
template_dir = share/perf-core/templates
STRACE_GROUPS_DIR = share/perf-core/strace/groups
htmldir = share/doc/perf-doc
tipdir = share/doc/perf-tip
srcdir = $( srctree) /tools/perf
i f e q ( $( prefix ) , / u s r )
sysconfdir = /etc
ETC_PERFCONFIG = $( sysconfdir) /perfconfig
e l s e
sysconfdir = $( prefix) /etc
ETC_PERFCONFIG = etc/perfconfig
e n d i f
i f n d e f l i b
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i f e q ( $( SRCARCH ) $( IS_ 64_BIT ) , x 8 6 1 )
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lib = lib64
e l s e
lib = lib
e n d i f
e n d i f # lib
libdir = $( prefix) /$( lib)
# Shell quote (do not use $(call) to accommodate ancient setups);
ETC_PERFCONFIG_SQ = $( subst ',' \' ' ,$( ETC_PERFCONFIG) )
STRACE_GROUPS_DIR_SQ = $( subst ',' \' ' ,$( STRACE_GROUPS_DIR) )
DESTDIR_SQ = $( subst ',' \' ' ,$( DESTDIR) )
bindir_SQ = $( subst ',' \' ' ,$( bindir) )
mandir_SQ = $( subst ',' \' ' ,$( mandir) )
infodir_SQ = $( subst ',' \' ' ,$( infodir) )
perfexecdir_SQ = $( subst ',' \' ' ,$( perfexecdir) )
template_dir_SQ = $( subst ',' \' ' ,$( template_dir) )
htmldir_SQ = $( subst ',' \' ' ,$( htmldir) )
tipdir_SQ = $( subst ',' \' ' ,$( tipdir) )
prefix_SQ = $( subst ',' \' ' ,$( prefix) )
sysconfdir_SQ = $( subst ',' \' ' ,$( sysconfdir) )
libdir_SQ = $( subst ',' \' ' ,$( libdir) )
srcdir_SQ = $( subst ',' \' ' ,$( srcdir) )
i f n e q ( $( filter /%,$ ( firstword $ ( perfexecdir ) ) ) , )
perfexec_instdir = $( perfexecdir)
STRACE_GROUPS_INSTDIR = $( STRACE_GROUPS_DIR)
tip_instdir = $( tipdir)
e l s e
perfexec_instdir = $( prefix) /$( perfexecdir)
STRACE_GROUPS_INSTDIR = $( prefix) /$( STRACE_GROUPS_DIR)
tip_instdir = $( prefix) /$( tipdir)
e n d i f
perfexec_instdir_SQ = $( subst ',' \' ' ,$( perfexec_instdir) )
STRACE_GROUPS_INSTDIR_SQ = $( subst ',' \' ' ,$( STRACE_GROUPS_INSTDIR) )
tip_instdir_SQ = $( subst ',' \' ' ,$( tip_instdir) )
# If we install to $(HOME) we keep the traceevent default:
# $(HOME)/.traceevent/plugins
# Otherwise we install plugins into the global $(libdir).
i f d e f D E S T D I R
plugindir = $( libdir) /traceevent/plugins
plugindir_SQ = $( subst ',' \' ' ,$( plugindir) )
e n d i f
print_var = $( eval $( print_var_code) ) $( info $( MSG) )
d e f i n e p r i n t _ v a r _ c o d e
MSG = $( shell printf '...%30s: %s' $( 1) $( $( 1) ) )
e n d e f
i f e q ( $( VF ) , 1 )
$( call print_var,prefix)
$( call print_var,bindir)
$( call print_var,libdir)
$( call print_var,sysconfdir)
$( call print_var,LIBUNWIND_DIR)
$( call print_var,LIBDW_DIR)
ifeq ( $( dwarf-post-unwind) ,1)
$( call feature_print_text,"DWARF post unwind library" , $( dwarf-post-unwind-text) )
endif
$( info )
e n d i f
$( call detected_var ,bindir_SQ )
$( call detected_var ,PYTHON_WORD )
i f n e q ( $( OUTPUT ) , )
$( call detected_var ,OUTPUT )
e n d i f
$( call detected_var ,htmldir_SQ )
$( call detected_var ,infodir_SQ )
$( call detected_var ,mandir_SQ )
$( call detected_var ,ETC_PERFCONFIG_SQ )
$( call detected_var ,STRACE_GROUPS_DIR_SQ )
$( call detected_var ,prefix_SQ )
$( call detected_var ,perfexecdir_SQ )
$( call detected_var ,tipdir_SQ )
$( call detected_var ,srcdir_SQ )
$( call detected_var ,LIBDIR )
$( call detected_var ,GTK_CFLAGS )
$( call detected_var ,PERL_EMBED_CCOPTS )
$( call detected_var ,PYTHON_EMBED_CCOPTS )
