Support out-of-tree buildsscratch/mps-import2

* mps/example/scheme/Makefile.in (VPATH): Set VPATH.
* mps/Makefile.in (COMMON_OPTS): New.  Pass SRCDIR down to sub-make.
* mps/code/comm.gmk (VPATH): Set VPATH from SRCDIR parameter
* mps/configure.ac (AC_CONFIG_COMMANDS): Copy .gmk makefiles and some
other things to the biuld directory.

1 files changed, 3 insertions, 2 deletions

diff --git a/mps/example/scheme/Makefile.in b/mps/example/scheme/Makefile.in
index 77ed1f4f0e6..3ee9e473abe 100644
--- a/mps/example/scheme/Makefile.in
+++ b/mps/example/scheme/Makefile.in
@@ -4,7 +4,9 @@
 
 CFLAGS = @CFLAGS@ @CPPFLAGS@ @LDFLAGS@ -std=c99
 
-MPS = ../../code
+MPS = @srcdir@/../../code
+
+VPATH = @srcdir@
 
 TARGETS = scheme-malloc scheme scheme-advanced
 
@@ -15,7 +17,6 @@ all: $(TARGETS)
 $(TARGETS): %: %.c Makefile
         $(CC) $(CFLAGS) -o $@ -I $(MPS) $< $(MPS)/mps.c
 
-
 scheme-boehm: %: %.c Makefile
         $(CC) $(CFLAGS) -o $@ $< -lgc