Fix for gentoo compilation

Author: Baptiste Lepers

Makefile

@@ -33,7 +33,7 @@ OBJECTS = ./utils/symbols.o \
 
 VERBOSE ?= n
 is_error := n
-has_bfd := $(shell sh -c "(echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - -lbfd 2>&1 && rm a.out && echo y")
+has_bfd := $(shell sh -c "(echo '\#define PACKAGE'; echo '\#include <bfd.h>'; echo 'int main(void) { bfd_demangle(0, 0, 0); return 0; }') | $(CC) -x c - -lbfd 2>&1 && rm a.out && echo y")
 ifneq ($(has_bfd),y)
    is_error := y
    ifeq ($(VERBOSE), n)

utils/symbols.c

@@ -23,6 +23,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include <gelf.h>
 #include <elf.h>
 #include <fcntl.h>
+#define PACKAGE  //hack for Gentoo
 #include <bfd.h>
 #include <limits.h>