Make sure vex_svnversion.h is updated after an svn update and declare

the libvex.a target as phone to ensure that we always try and rebuild
it in case there have been changed in the VEX code.

The partially fixes bug #110770.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4473

diff --git a/coregrind/Makefile.am b/coregrind/Makefile.am
index 47a37ba1af2253e76691218780c707739c696acb..dcf13fa192e733e960af74b04ef8fadc4d2dbdee 100644 (file)
--- a/coregrind/Makefile.am
+++ b/coregrind/Makefile.am
@@ -1,6 +1,8 @@
 include $(top_srcdir)/Makefile.all.am
 include $(top_srcdir)/Makefile.core-AM_CPPFLAGS.am
 
+.PHONY: @VEX_DIR@/libvex.a
+
 MODULES = \
        m_aspacemgr \
        m_debuginfo \
@@ -200,7 +202,7 @@ stage2.lds: Makefile
 @VEX_DIR@/libvex.a: @VEX_DIR@/priv/main/vex_svnversion.h
        $(MAKE) -C @VEX_DIR@ libvex.a EXTRA_CFLAGS="@ARCH_CORE_AM_CFLAGS@ @PIE_AM_CFLAGS@"
 
-@VEX_DIR@/priv/main/vex_svnversion.h:
+@VEX_DIR@/priv/main/vex_svnversion.h: $(wildcard @VEX_DIR@/.svn/entries)
        $(MAKE) -C @VEX_DIR@ version
 
 clean-local: