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[lmi-commits] [lmi] master bdeeca5c 5/5: Improve technique to display di
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From: |
Greg Chicares |
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Subject: |
[lmi-commits] [lmi] master bdeeca5c 5/5: Improve technique to display disabled warnings |
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Date: |
Sat, 11 Jun 2022 21:34:06 -0400 (EDT) |
branch: master
commit bdeeca5cfa88c34057f74364601af613ccbb7ccf
Author: Gregory W. Chicares <gchicares@sbcglobal.net>
Commit: Gregory W. Chicares <gchicares@sbcglobal.net>
Improve technique to display disabled warnings
---
workhorse.make | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/workhorse.make b/workhorse.make
index ebf36629..c30a840b 100644
--- a/workhorse.make
+++ b/workhorse.make
@@ -1708,6 +1708,10 @@ show_flags:
@printf 'wx_library_paths = "%s"\n' "$(wx_library_paths)"
@printf 'wx_predefinitions = "%s"\n' "$(wx_predefinitions)"
+# For the /dev/null rationale, see:
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91011#c7
+
.PHONY: show_disabled_g++_warnings
show_disabled_g++_warnings:
- $(CXX) $(ALL_CXXFLAGS) -Q --help=warning | $(GREP) '[[]disabled[]]'
+ $(CXX) $(ALL_CXXFLAGS) -Q --help=warning -xc++ /dev/null \
+ | $(GREP) '[[]disabled[]]'