# HG changeset patch
# User Thomas Perl <m@thp.io>
# Date 1469182299 -7200
#      Fri Jul 22 12:11:39 2016 +0200
# Node ID a4c9e342ffaff86c107ed9437377c8d0ae9409df
# Parent  829117ae2e5550523bf551d9264c24fa9f7f0de9
Do not build pgen when cross-compiling (issue 27490)

The dependendency on the $(PGEN) variable must only be
set when not cross-compiling. When cross-compiling,
$(PGEN) will not be used, so no need to build it.

diff -r 829117ae2e55 -r a4c9e342ffaf Makefile.pre.in
--- a/Makefile.pre.in	Tue Jul 19 16:46:09 2016 -0500
+++ b/Makefile.pre.in	Fri Jul 22 12:11:39 2016 +0200
@@ -790,7 +790,7 @@
 
 $(IO_OBJS): $(IO_H)
 
-$(GRAMMAR_H): $(GRAMMAR_INPUT) $(PGEN)
+$(GRAMMAR_H): $(GRAMMAR_INPUT) @PGEN_DEPENDENCY@
 	@$(MKDIR_P) Include
 	# Avoid copying the file onto itself for an in-tree build
 	if test "$(cross_compiling)" != "yes"; then \
diff -r 829117ae2e55 -r a4c9e342ffaf configure
--- a/configure	Tue Jul 19 16:46:09 2016 -0500
+++ b/configure	Fri Jul 22 12:11:39 2016 +0200
@@ -743,6 +743,7 @@
 CONFIG_ARGS
 SOVERSION
 VERSION
+PGEN_DEPENDENCY
 PYTHON_FOR_BUILD
 host_os
 host_vendor
@@ -3014,11 +3015,14 @@
 $as_echo "$interp" >&6; }
 	PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib:$(srcdir)/Lib/$(PLATDIR) '$interp
     fi
+    PGEN_DEPENDENCY=''
 elif test "$cross_compiling" = maybe; then
     as_fn_error $? "Cross compiling required --host=HOST-TUPLE and --build=ARCH" "$LINENO" 5
 else
     PYTHON_FOR_BUILD='./$(BUILDPYTHON) -E'
-fi
+    PGEN_DEPENDENCY='$(PGEN)'
+fi
+
 
 
 
diff -r 829117ae2e55 -r a4c9e342ffaf configure.ac
--- a/configure.ac	Tue Jul 19 16:46:09 2016 -0500
+++ b/configure.ac	Fri Jul 22 12:11:39 2016 +0200
@@ -73,12 +73,15 @@
         AC_MSG_RESULT($interp)
 	PYTHON_FOR_BUILD='_PYTHON_PROJECT_BASE=$(abs_builddir) _PYTHON_HOST_PLATFORM=$(_PYTHON_HOST_PLATFORM) PYTHONPATH=$(shell test -f pybuilddir.txt && echo $(abs_builddir)/`cat pybuilddir.txt`:)$(srcdir)/Lib:$(srcdir)/Lib/$(PLATDIR) '$interp
     fi
+    PGEN_DEPENDENCY=''
 elif test "$cross_compiling" = maybe; then
     AC_MSG_ERROR([Cross compiling required --host=HOST-TUPLE and --build=ARCH])
 else
     PYTHON_FOR_BUILD='./$(BUILDPYTHON) -E'
+    PGEN_DEPENDENCY='$(PGEN)'
 fi
 AC_SUBST(PYTHON_FOR_BUILD)
+AC_SUBST(PGEN_DEPENDENCY)
 
 dnl Ensure that if prefix is specified, it does not end in a slash. If
 dnl it does, we get path names containing '//' which is both ugly and