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-rw-r--r--configure.in4
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 8f5bc1d54f..2b01a2f589 100644
--- a/configure.in
+++ b/configure.in
@@ -2852,9 +2852,11 @@ AC_CONFIG_FILES(Makefile, [{
echo 'distclean-local::; @$(RM) GNUmakefile uncommon.mk'
fi
} > confmk$$.tmp && mv -f confmk$$.tmp Makefile &&
+ {
grep '^ruby:' Makefile > /dev/null ||
${MAKE-make} info-program | grep '^PROGRAM=ruby$' > /dev/null ||
- echo 'ruby: $(PROGRAM);' >> Makefile],
+ echo 'ruby: $(PROGRAM);' >> Makefile
+ }],
[EXEEXT='$EXEEXT' gnumake='$gnumake'])
ruby_pc="${RUBY_BASE_NAME}-${MAJOR}.${MINOR}.pc"