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-rw-r--r--pkgs/development/libraries/icu/base.nix5
1 files changed, 5 insertions, 0 deletions
diff --git a/pkgs/development/libraries/icu/base.nix b/pkgs/development/libraries/icu/base.nix
index 78e0c5740446..8a7cf8365a5b 100644
--- a/pkgs/development/libraries/icu/base.nix
+++ b/pkgs/development/libraries/icu/base.nix
@@ -25,6 +25,11 @@ stdenv.mkDerivation {
     echo Source root reset to ''${sourceRoot}
   '';
 
+  # https://sourceware.org/glibc/wiki/Release/2.26#Removal_of_.27xlocale.h.27
+  postPatch = if stdenv ? glibc
+    then "substituteInPlace i18n/digitlst.cpp --replace '<xlocale.h>' '<locale.h>'"
+    else null; # won't find locale_t on darwin
+
   inherit patchFlags patches;
 
   preConfigure = ''