1 files changed, 35 insertions, 32 deletions
diff --git a/pkgs/os-specific/darwin/apple-source-releases/libresolv/default.nix b/pkgs/os-specific/darwin/apple-source-releases/libresolv/default.nix
index f3c7558cfc6..53fc019768d 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/libresolv/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/libresolv/default.nix
@@ -1,37 +1,39 @@
-{ appleDerivation, Libinfo, configd, mDNSResponder }:
+{ lib, appleDerivation', stdenv, stdenvNoCC, Libinfo, configd, mDNSResponder
+, headersOnly ? false
+}:
 
-appleDerivation {
-  buildInputs = [ Libinfo configd mDNSResponder ];
+appleDerivation' (if headersOnly then stdenvNoCC else stdenv) {
+  buildInputs = lib.optionals (!headersOnly) [ Libinfo configd mDNSResponder ];
 
-  buildPhase = ''
-    cc -I. -c dns_util.c
-    cc -I. -c dns.c
-    cc -I. -c dns_async.c
-    cc -I. -c base64.c
-    cc -I. -c dst_api.c
-    cc -I. -c dst_hmac_link.c
-    cc -I. -c dst_support.c
-    cc -I. -c ns_date.c
-    cc -I. -c ns_name.c
-    cc -I. -c ns_netint.c
-    cc -I. -c ns_parse.c
-    cc -I. -c ns_print.c
-    cc -I. -c ns_samedomain.c
-    cc -I. -c ns_sign.c
-    cc -I. -c ns_ttl.c
-    cc -I. -c ns_verify.c
-    cc -I. -c res_comp.c
-    cc -I. -c res_data.c
-    cc -I. -c res_debug.c
-    cc -I. -c res_findzonecut.c
-    cc -I. -c res_init.c
-    cc -I. -c res_mkquery.c
-    cc -I. -c res_mkupdate.c
-    cc -I. -c res_query.c
-    cc -I. -c res_send.c
-    cc -I. -c res_sendsigned.c
-    cc -I. -c res_update.c
-    cc -dynamiclib -install_name $out/lib/libresolv.9.dylib -current_version 1.0.0 -compatibility_version 1.0.0 -o libresolv.9.dylib *.o
+  buildPhase = lib.optionalString (!headersOnly) ''
+    $CC -I. -c dns_util.c
+    $CC -I. -c dns.c
+    $CC -I. -c dns_async.c
+    $CC -I. -c base64.c
+    $CC -I. -c dst_api.c
+    $CC -I. -c dst_hmac_link.c
+    $CC -I. -c dst_support.c
+    $CC -I. -c ns_date.c
+    $CC -I. -c ns_name.c
+    $CC -I. -c ns_netint.c
+    $CC -I. -c ns_parse.c
+    $CC -I. -c ns_print.c
+    $CC -I. -c ns_samedomain.c
+    $CC -I. -c ns_sign.c
+    $CC -I. -c ns_ttl.c
+    $CC -I. -c ns_verify.c
+    $CC -I. -c res_comp.c
+    $CC -I. -c res_data.c
+    $CC -I. -c res_debug.c
+    $CC -I. -c res_findzonecut.c
+    $CC -I. -c res_init.c
+    $CC -I. -c res_mkquery.c
+    $CC -I. -c res_mkupdate.c
+    $CC -I. -c res_query.c
+    $CC -I. -c res_send.c
+    $CC -I. -c res_sendsigned.c
+    $CC -I. -c res_update.c
+    $CC -dynamiclib -install_name $out/lib/libresolv.9.dylib -current_version 1.0.0 -compatibility_version 1.0.0 -o libresolv.9.dylib *.o
   '';
 
   installPhase = ''
@@ -42,6 +44,7 @@ appleDerivation {
     cp nameser.h       $out/include
     ln -s ../nameser.h $out/include/arpa
     cp resolv.h        $out/include
+  '' + lib.optionalString (!headersOnly) ''
 
     cp libresolv.9.dylib $out/lib
     ln -s libresolv.9.dylib $out/lib/libresolv.dylib