Merge branch 'maint' of git://git.spearce.org/git-gui into maint

[git.git] / perl / Makefile.PL

diff --git a/perl/Makefile.PL b/perl/Makefile.PL
index 320253eb8e91eb1d914aa4e34f7d3af4649b9b39..0b9deca2cc6ef77897a23b2096a7acdd577c2482 100644 (file)
--- a/perl/Makefile.PL
+++ b/perl/Makefile.PL
@@ -5,6 +5,14 @@ sub MY::postamble {
 instlibdir:
        @echo '$(INSTALLSITELIB)'
 
+ifneq (,$(DESTDIR))
+ifeq (0,$(shell expr '$(MM_VERSION)' '>' 6.10))
+$(error ExtUtils::MakeMaker version "$(MM_VERSION)" is older than 6.11 and so \
+       is likely incompatible with the DESTDIR mechanism.  Try setting \
+       NO_PERL_MAKEMAKER=1 instead)
+endif
+endif
+
 MAKE_FRAG
 }