diff --git a/binr/ravc2/Makefile b/binr/ravc2/Makefile
index a8f7d8e8db..e016b1e575 100644
--- a/binr/ravc2/Makefile
+++ b/binr/ravc2/Makefile
@@ -3,8 +3,11 @@ BINDEPS=r_core r_main
 
 include ../rules.mk
 include ../../libr/main/deps.mk
+include ../../libr/util/deps.mk
 include ../../shlr/zip/deps.mk
 include ../../shlr/java/deps.mk
 include ../../shlr/gdb/deps.mk
 
 LDFLAGS+=$(LINK)
+
+LDFLAGS+=-lexecinfo
diff --git a/libr/debug/Makefile b/libr/debug/Makefile
index 0ca51a4a34..ab079daece 100644
--- a/libr/debug/Makefile
+++ b/libr/debug/Makefile
@@ -5,6 +5,8 @@ R2DEPS=r_reg r_anal r_bp r_io r_parse r_cons r_syscall r_hash r_flag r_util r_eg
 R2DEPS+=r_socket
 CFLAGS+=-DR2_PLUGIN_INCORE
 
+include ../util/deps.mk
+
 ifeq (${BUILD_OS},serenityos)
 LDFLAGS+=
 else
@@ -12,6 +14,7 @@ ifeq ($(OSTYPE),bsd)
 LDFLAGS+=-lkvm
 endif
 endif
+LDFLAGS+=-lexecinfo
 
 foo:
 	@${MAKE} libs
diff --git a/libr/util/Makefile b/libr/util/Makefile
index e56926b77f..5bb49875a6 100644
--- a/libr/util/Makefile
+++ b/libr/util/Makefile
@@ -4,13 +4,6 @@ NAME=r_util
 CFLAGS+=-DR2_PLUGIN_INCORE -I$(TOP)/shlr
 PCLIBS=@LIBZIP@ @DL_LIBS@
 
-ifneq ($(OSTYPE),darwin)
-ifneq ($(OSTYPE),haiku)
-LDFLAGS+=-lm
-LINK=-lm
-endif
-endif
-
 OBJS=binheap.o mem.o unum.o str.o hex.o file.o range.o charset.o
 OBJS+=prof.o cache.o sys.o buf.o sys_w32.o ubase64.o base85.o base91.o
 OBJS+=list.o flist.o chmod.o graph.o event.o alloc.o donut.o print_code.o
diff --git a/libr/util/deps.mk b/libr/util/deps.mk
index 40580bc598..b14811a27c 100644
--- a/libr/util/deps.mk
+++ b/libr/util/deps.mk
@@ -12,9 +12,10 @@ endif
 
 # FreeBSD 10.0 ships with backtrace(3) in -lexecinfo
 ifeq (${BUILD_OS},freebsd)
-ifneq ($(shell expr "`uname -r`" : '[0-9]\.'), 2)
-  LDFLAGS+=-lexecinfo
-endif
+  ifneq ($(shell expr "`uname -r`" : '[0-9]\.'), 2)
+    LDFLAGS+=-lexecinfo
+  endif
+  LDFLAGS+=-lutil
 endif
 
 ifeq (${BUILD_OS},dragonfly)
@@ -24,3 +25,11 @@ endif
 ifeq (${BUILD_OS},haiku)
   LDFLAGS+=-lexecinfo
 endif
+
+ifneq ($(OSTYPE),darwin)
+ifneq ($(OSTYPE),haiku)
+LDFLAGS+=-lm
+LINK+=-lm
+endif
+endif
+
diff --git a/preconfigure b/preconfigure
index c6c1ed0a93..e4220aea13 100755
--- a/preconfigure
+++ b/preconfigure
@@ -1,7 +1,7 @@
 #!/bin/sh
 if [ ! -f config-user.mk ]; then
   printf "[*] Configuring the build system ... "
-  ./configure > /dev/null || exit 1
+  ./configure || exit 1
 fi
 printf "[*] Checking out capstone... "
 rm -rf shlr/capstone