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authorKarl Williamson <public@khwilliamson.com>2010-12-26 10:30:12 -0700
committerKarl Williamson <public@khwilliamson.com>2011-01-16 16:36:43 -0700
commit93136d17f9881a8e1aebaec99f2febb8e56aefa3 (patch)
tree0ef8ef3a66ae7fd8256da449053b2c252abeeac0 /op_reg_common.h
parent596403393d484d37d763f5a7290dfa2ff3092da0 (diff)
downloadperl-93136d17f9881a8e1aebaec99f2febb8e56aefa3.tar.gz
op_reg_common.h: Add guard to only expand once
This is in preparation for adding some in-line functions.
Diffstat (limited to 'op_reg_common.h')
-rw-r--r--op_reg_common.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/op_reg_common.h b/op_reg_common.h
index 5b49ec769a..238d7bdb0e 100644
--- a/op_reg_common.h
+++ b/op_reg_common.h
@@ -19,6 +19,8 @@
* and memory. I (khw) think the code will work if changed back, but haven't
* tested it */
/* Make sure to update lib/re.pm when changing this! */
+#ifndef RXf_PMf_STD_PMMOD_SHIFT /* Only expand #include of this file once */
+
#define RXf_PMf_STD_PMMOD_SHIFT 0
/* The bits need to be ordered so that the msix are contiguous starting at bit
@@ -63,3 +65,5 @@
& (~((1 << RXf_PMf_STD_PMMOD_SHIFT)-1)))
# error RXf_PMf_COMPILETIME is invalid
#endif
+
+#endif /* Include only once */