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-rw-r--r--common.mk8
1 files changed, 8 insertions, 0 deletions
diff --git a/common.mk b/common.mk
index d1a3102521..38c87911d1 100644
--- a/common.mk
+++ b/common.mk
@@ -210,6 +210,14 @@ $(MJIT_MIN_HEADER:.h=)$(MJIT_HEADER_SUFFIX).h: $(srcdir)/tool/transform_mjit_hea
$(MJIT_MIN_HEADER:.h=)$(MJIT_HEADER_SUFFIX).h: $(MJIT_HEADER:.h=)$(MJIT_HEADER_SUFFIX).h
$(ECHO) building $@
$(MINIRUBY) $(srcdir)/tool/transform_mjit_header.rb "$(CC) $(ARCH_FLAG)" $(MJIT_HEADER:.h=)$(MJIT_HEADER_ARCH).h $@
+ $(Q) $(MAKEDIRS) $(MJIT_HEADER_INSTALL_DIR)
+ $(Q) $(MINIRUBY) -rfileutils -e "include FileUtils::Verbose" \
+ -e "src, dest = ARGV" \
+ -e "exit if File.identical?(src, dest) or cmp(src, dest) rescue nil" \
+ -e "ln_sf('../'*dest.count('/')+src, dest) rescue" \
+ -e "ln(src, dest) rescue" \
+ -e "cp(src, dest)" \
+ $@ $(MJIT_HEADER_INSTALL_DIR)/$(@F)
.PHONY: showflags
exts enc trans: $(SHOWFLAGS)