Makefile: Do subdirectory builds correctly.

diff --git a/Makefile.m4 b/Makefile.m4
index 4a9c1bc..ba894be 100644 (file)
--- a/Makefile.m4
+++ b/Makefile.m4
@@ -52,7 +52,7 @@ define([[_]], [[dnl
 ips-$1.dvi: $(SRC)
        @if [ ! -d $1 ]; then \
          mkdir $1; \
 ips-$1.dvi: $(SRC)
        @if [ ! -d $1 ]; then \
          mkdir $1; \

-         for i in $(SRC); do ln -s ../$$i $1; done; \
+         for i in $(SRC); do ln -s ../$(srcdir)/$$i $1; done; \

          echo '$2' >$1/ips.cfg; \
        fi
        cd $1 && \
          echo '$2' >$1/ips.cfg; \
        fi
        cd $1 && \