1 files changed, 3 insertions, 2 deletions

diff --git a/src/lib/libcrypto/sha/Makefile.ssl b/src/lib/libcrypto/sha/Makefile.ssl
index 79ef43aa34..72acd8f046 100644
--- a/src/lib/libcrypto/sha/Makefile.ssl
+++ b/src/lib/libcrypto/sha/Makefile.ssl
@@ -5,6 +5,7 @@
 DIR=    sha
 TOP=    ../..
 CC=     cc
+CPP=    $(CC) -E
 INCLUDES=
 CFLAG=-g
 INSTALL_PREFIX=
@@ -46,7 +47,7 @@ lib:    $(LIBOBJ)
 
 # elf
 asm/sx86-elf.o: asm/sx86unix.cpp
-        $(CPP) -DELF asm/sx86unix.cpp | as -o asm/sx86-elf.o
+        $(CPP) -DELF -x c asm/sx86unix.cpp | as -o asm/sx86-elf.o
 
 # solaris
 asm/sx86-sol.o: asm/sx86unix.cpp
@@ -62,7 +63,7 @@ asm/sx86-out.o: asm/sx86unix.cpp
 asm/sx86bsdi.o: asm/sx86unix.cpp
         $(CPP) -DBSDI asm/sx86unix.cpp | sed 's/ :/:/' | as -o asm/sx86bsdi.o
 
-asm/sx86unix.cpp:
+asm/sx86unix.cpp: asm/sha1-586.pl ../perlasm/x86asm.pl
         (cd asm; $(PERL) sha1-586.pl cpp $(PROCESSOR) >sx86unix.cpp)
 
 files: