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-rw-r--r--pkgs/development/compilers/gcc/4.9/default.nix8
1 files changed, 4 insertions, 4 deletions
diff --git a/pkgs/development/compilers/gcc/4.9/default.nix b/pkgs/development/compilers/gcc/4.9/default.nix
index 21241364823..195a7b03eed 100644
--- a/pkgs/development/compilers/gcc/4.9/default.nix
+++ b/pkgs/development/compilers/gcc/4.9/default.nix
@@ -244,7 +244,7 @@ stdenv.mkDerivation ({
           ++ stdenv.lib.optional (libpthread != null) libpthread;
         extraCPPSpec =
           concatStrings (intersperse " "
-                          (map (x: "-I${x}/include") extraCPPDeps));
+                          (map (x: "-I${x.dev or x}/include") extraCPPDeps));
         extraLibSpec =
           if libpthreadCross != null
           then "-L${libpthreadCross}/lib ${libpthreadCross.TARGET_LDFLAGS}"
@@ -345,8 +345,8 @@ stdenv.mkDerivation ({
       else ""}
     ${if javaAwtGtk then "--enable-java-awt=gtk" else ""}
     ${if langJava && javaAntlr != null then "--with-antlr-jar=${javaAntlr}" else ""}
-    --with-gmp=${gmp}
-    --with-mpfr=${mpfr}
+    --with-gmp=${gmp.dev}
+    --with-mpfr=${mpfr.dev}
     --with-mpc=${libmpc}
     ${if libelf != null then "--with-libelf=${libelf}" else ""}
     --disable-libstdcxx-pch
@@ -467,7 +467,7 @@ stdenv.mkDerivation ({
   # Likewise, the LTO code doesn't find zlib.
 
   CPATH = concatStrings
-            (intersperse ":" (map (x: x + "/include")
+            (intersperse ":" (map (x: "${x.dev or x}/include")
                                   (optionals (zlib != null) [ zlib ]
                                    ++ optionals langJava [ boehmgc ]
                                    ++ optionals javaAwtGtk xlibs