libtomcrypt/Makefile.in

@@ -22,6 +22,7 @@
 # make -f makefile.unix CC=icc AR=xiar CFLAGS="-fast -DUSE_LTM -DLTM_DESC -I/path/to/libtommath" EXTRALIBS=/path/to/libtommath/libtommath.a all
 #
+# Dropbear can build out of tree
 VPATH=@srcdir@
 srcdir=@srcdir@
@@ -32,15 +33,16 @@ LIBPATH   = $(PREFIX)/lib
 INCPATH   = $(PREFIX)/include
 DATAPATH  = $(PREFIX)/share/doc/libtomcrypt/pdf
 BINPATH   = $(PREFIX)/bin
-CC        = cc
-AR        = ar
+# Dropbear passes paths from parent makefile
+#CC        = cc
+#AR        = ar
 ARFLAGS   = r
-RANLIB    = ranlib
+#RANLIB    = ranlib
 #CFLAGS    = -O2 -DUSE_LTM -DLTM_DESC -I../libtommath
 EXTRALIBS = ../libtommath/libtommath.a
 #Compilation flags
-LTC_CFLAGS  = -Isrc/headers/ -I$(srcdir)/src/headers/ -I../ -I$(srcdir)/../ -DLTC_SOURCE -I../libtommath/ -I$(srcdir)/../libtommath/
+LTC_CFLAGS  = -Isrc/headers/ -I$(srcdir)/src/headers/ -I../ -I$(srcdir)/../ -DLTC_SOURCE -I../libtommath/ -I$(srcdir)/../libtommath/ $(CFLAGS)
 LTC_LDFLAGS = $(LDFLAGS) $(EXTRALIBS)
 VERSION=1.18.1

libtomcrypt/src/misc/zeromem.c

@@ -21,7 +21,7 @@
 */
 void zeromem(volatile void *out, size_t outlen)
 {
-   m_burn(out, outlen);
+   m_burn((void*)out, outlen);
 }
 /* ref:         $Format:%D$ */