diff options
Diffstat (limited to 'tools/perf/Makefile')
| -rw-r--r-- | tools/perf/Makefile | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 4b20fa47c3ab..1916e44b9bb0 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -158,8 +158,10 @@ uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not') uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not') # If we're on a 64-bit kernel, use -m64 -ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M)) - M64 := -m64 +ifndef NO_64BIT + ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M)) + M64 := -m64 + endif endif # CFLAGS and LDFLAGS are for the users to override from the command line. @@ -345,7 +347,6 @@ BUILTIN_OBJS += builtin-stat.o BUILTIN_OBJS += builtin-top.o PERFLIBS = $(LIB_FILE) -EXTLIBS = -lbfd -liberty # # Platform specific tweaks @@ -374,6 +375,28 @@ ifeq ($(uname_S),Darwin) PTHREAD_LIBS = endif +ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y) + msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel); +endif + +ifdef NO_DEMANGLE + BASIC_CFLAGS += -DNO_DEMANGLE +else + + has_bfd := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) -lbfd > /dev/null 2>&1 && echo y") + + has_bfd_iberty := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - $(ALL_CFLAGS) -o /dev/null $(ALL_LDFLAGS) -lbfd -liberty > /dev/null 2>&1 && echo y") + + ifeq ($(has_bfd),y) + EXTLIBS += -lbfd + else ifeq ($(has_bfd_iberty),y) + EXTLIBS += -lbfd -liberty + else + msg := $(warning No bfd.h/libbfd found, install binutils-dev[el] to gain symbol demangling) + BASIC_CFLAGS += -DNO_DEMANGLE + endif +endif + ifndef CC_LD_DYNPATH ifdef NO_R_TO_GCC_LINKER # Some gcc does not accept and pass -R to the linker to specify |