1 files changed, 6 insertions, 3 deletions

diff --git a/src/Makefile.in b/src/Makefile.in
index 70cad233587..b6d56977738 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -9,7 +9,8 @@ MAKE = make
 
 CC=cc
 CFLAGS=-g
-srcdir=.
+srcdir=@srcdir@/src
+VPATH=@srcdir@/src
 LN_S=ln -s
 
 # ============================= Targets ==============================
@@ -72,8 +73,8 @@ relock:
 ### the definition of CPP above may fix it.
 xmakefile: ymakefile config.h
         -rm -f xmakefile xmakefile.new junk.c junk.cpp
-        cp ymakefile junk.c
-        ${CPP} ${CFLAGS} junk.c > junk.cpp \
+        cp ${srcdir}/ymakefile junk.c
+        ${CPP} -I${srcdir} ${CFLAGS} junk.c > junk.cpp \
         -DC_SWITCH_SITE="`echo ${CFLAGS}' ' \
                           | sed -e 's/-g /C_DEBUG_SWITCH /' \
                                 -e 's/-O[0-9]* /C_OPTIMIZE_SWITCH /'`"
@@ -81,6 +82,8 @@ xmakefile: ymakefile config.h
         sed     -e 's/^#.*//'                           \
                 -e 's/^[ \f\t][ \f\t]*$$//'             \
                 -e 's/^ /       /'                      \
+                -e 's|^\(srcdir *=\).*$$|\1'"${srcdir}"'|'      \
+                -e 's|^\(VPATH *=\).*$$|\1'"${srcdir}"'|'       \
         | sed -n -e '/^..*$$/p'                         \
         > xmakefile.new
         mv -f xmakefile.new xmakefile