From dc08721b56e88a1f41814b2e123c00061dba0d3e Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Wed, 13 Jul 2022 17:05:33 -0400
Subject: [PATCH] Use system-cxx-std-lib virtual package where available
Starting with the 9.4 release, GHC provides `system-cxx-std-lib`, a
"virtual" package which can be used to reliably link against the
system's C++ standard library implementation.
See GHC #20010.
---
text.cabal | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/text.cabal b/text.cabal
index f6343609..bcae0340 100644
--- a/text.cabal
+++ b/text.cabal
@@ -90,7 +90,9 @@ library
cbits/validate_utf8.cpp
cxx-options: -std=c++17
cpp-options: -DSIMDUTF
- if os(darwin) || os(freebsd)
+ if impl(ghc >= 9.4)
+ build-depends: system-cxx-std-lib == 1.0
+ elif os(darwin) || os(freebsd)
extra-libraries: c++
elif os(openbsd)
extra-libraries: c++ c++abi pthread
--
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