diff options
Diffstat (limited to 'tools/perf/Makefile')
| -rw-r--r-- | tools/perf/Makefile | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 1abbf9a5ee5..1811a7015f9 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -157,11 +157,18 @@ uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not') uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not') uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not') -# If we're on a 64-bit kernel, use -m64 -ifndef NO_64BIT - ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M)) - M64 := -m64 - endif +# +# Add -m32 for cross-builds: +# +ifdef NO_64BIT + MBITS := -m32 +else + # + # If we're on a 64-bit kernel, use -m64: + # + ifneq ($(patsubst %64,%,$(uname_M)),$(uname_M)) + MBITS := -m64 + endif endif # CFLAGS and LDFLAGS are for the users to override from the command line. @@ -194,7 +201,7 @@ EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wold-style-definition EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-prototypes EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wdeclaration-after-statement -CFLAGS = $(M64) -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -fstack-protector-all -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) +CFLAGS = $(MBITS) -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -fstack-protector-all -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) LDFLAGS = -lpthread -lrt -lelf -lm ALL_CFLAGS = $(CFLAGS) ALL_LDFLAGS = $(LDFLAGS) @@ -418,7 +425,7 @@ ifeq ($(uname_S),Darwin) 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); + msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]); endif ifneq ($(shell sh -c "(echo '\#include <libdwarf/dwarf.h>'; echo '\#include <libdwarf/libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -ldwarf -lelf -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y) @@ -739,7 +746,7 @@ $(BUILT_INS): perf$X common-cmds.h: util/generate-cmdlist.sh command-list.txt common-cmds.h: $(wildcard Documentation/perf-*.txt) - $(QUIET_GEN)util/generate-cmdlist.sh > $@+ && mv $@+ $@ + $(QUIET_GEN). util/generate-cmdlist.sh > $@+ && mv $@+ $@ $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh $(QUIET_GEN)$(RM) $@ $@+ && \ |