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authorJörg Thalheim <joerg@thalheim.io>2018-11-28 10:25:08 +0000
committerJörg Thalheim <joerg@thalheim.io>2018-11-28 10:25:08 +0000
commitbe6b461bb9e07df8d93a3cc6432b74550acf12c4 (patch)
tree64ab4d48667bfd772e6f52c489f9f1c23999d612 /pkgs/development/tools/misc/swig
parent3c9d05389c736cebebec65b3874d6cd96daad59f (diff)
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swig: document why pcre.dev is in nativeBuildInputs
Diffstat (limited to 'pkgs/development/tools/misc/swig')
-rw-r--r--pkgs/development/tools/misc/swig/3.x.nix5
1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/development/tools/misc/swig/3.x.nix b/pkgs/development/tools/misc/swig/3.x.nix
index 7e527bebba17..9dc2b535c091 100644
--- a/pkgs/development/tools/misc/swig/3.x.nix
+++ b/pkgs/development/tools/misc/swig/3.x.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoconf, automake, libtool, bison, pcre }:
+{ stdenv, fetchFromGitHub, autoconf, automake, libtool, bison, pcre, buildPackages }:
 
 stdenv.mkDerivation rec {
   name = "swig-${version}";
@@ -11,7 +11,10 @@ stdenv.mkDerivation rec {
     sha256 = "1wyffskbkzj5zyhjnnpip80xzsjcr3p0q5486z3wdwabnysnhn8n";
   };
 
+  # for cross-compiling we need pcre.dev in nativeBuildInputs to get pcre-config
   nativeBuildInputs = [ autoconf automake libtool bison pcre.dev ];
+  disallowedReferences = [ buildPackages.pcre.dev ];
+
   buildInputs = [ pcre ];
 
   configureFlags = [ "--without-tcl" ];