treewide: Make configureFlags lists

63 files changed, 122 insertions, 93 deletions

diff --git a/pkgs/development/compilers/opa/default.nix b/pkgs/development/compilers/opa/default.nix
index 7b9e00b105db..06ed7c51e9ab 100644
--- a/pkgs/development/compilers/opa/default.nix
+++ b/pkgs/development/compilers/opa/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
 
   prefixKey = "-prefix ";
 
-  configureFlags = "-ocamlfind ${ocamlPackages.findlib}/bin/ocamlfind ";
+  configureFlags = [ "-ocamlfind ${ocamlPackages.findlib}/bin/ocamlfind" ];
 
   buildInputs = [ which perl jdk openssl coreutils zlib ncurses
     makeWrapper gcc binutils gnumake nodejs
diff --git a/pkgs/development/compilers/swi-prolog/default.nix b/pkgs/development/compilers/swi-prolog/default.nix
index 670a00e250f2..77d943110d17 100644
--- a/pkgs/development/compilers/swi-prolog/default.nix
+++ b/pkgs/development/compilers/swi-prolog/default.nix
@@ -20,7 +20,11 @@ stdenv.mkDerivation {
 
   hardeningDisable = [ "format" ];
 
-  configureFlags = "--with-world --enable-gmp --enable-shared";
+  configureFlags = [
+    "--with-world"
+    "--enable-gmp"
+    "--enable-shared"
+  ];
 
   buildFlags = "world";
 
diff --git a/pkgs/development/compilers/urweb/default.nix b/pkgs/development/compilers/urweb/default.nix
index 8426635ce962..68fa3d3613fd 100644
--- a/pkgs/development/compilers/urweb/default.nix
+++ b/pkgs/development/compilers/urweb/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     sed -e 's@/usr/bin/file@${file}/bin/file@g' -i configure
   '';
 
-  configureFlags = "--with-openssl=${openssl.dev}";
+  configureFlags = [ "--with-openssl=${openssl.dev}" ];
 
   preConfigure = ''
     export PGHEADER="${postgresql}/include/libpq-fe.h";
diff --git a/pkgs/development/compilers/yap/default.nix b/pkgs/development/compilers/yap/default.nix
index 7c6b545285cc..3ad0bc25787e 100644
--- a/pkgs/development/compilers/yap/default.nix
+++ b/pkgs/development/compilers/yap/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ readline gmp zlib ];
 
-  configureFlags = "--enable-tabling=yes";
+  configureFlags = [ "--enable-tabling=yes" ];
 
   NIX_CFLAGS_COMPILE = [ "-fpermissive" ];
 
diff --git a/pkgs/development/coq-modules/coquelicot/default.nix b/pkgs/development/coq-modules/coquelicot/default.nix
index c4dc8b5fc5b9..baad637cbb73 100644
--- a/pkgs/development/coq-modules/coquelicot/default.nix
+++ b/pkgs/development/coq-modules/coquelicot/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   buildInputs = [ coq ];
   propagatedBuildInputs = [ ssreflect ];
 
-  configureFlags = "--libdir=$out/lib/coq/${coq.coq-version}/user-contrib/Coquelicot";
+  configureFlags = [ "--libdir=$out/lib/coq/${coq.coq-version}/user-contrib/Coquelicot" ];
   buildPhase = "./remake";
   installPhase = "./remake install";
 
diff --git a/pkgs/development/interpreters/clisp/default.nix b/pkgs/development/interpreters/clisp/default.nix
index 9ab43e7392d7..0a54a916ba73 100644
--- a/pkgs/development/interpreters/clisp/default.nix
+++ b/pkgs/development/interpreters/clisp/default.nix
@@ -67,15 +67,15 @@ stdenv.mkDerivation rec {
     substituteInPlace modules/bindings/glibc/linux.lisp --replace "(def-c-type __swblk_t)" ""
   '';
 
-  configureFlags = "builddir"
-  + stdenv.lib.optionalString (!dllSupport) " --without-dynamic-modules"
-  + stdenv.lib.optionalString (readline != null) " --with-readline"
+  configureFlags = [ "builddir" ]
+  ++ stdenv.lib.optional (!dllSupport) "--without-dynamic-modules"
+  ++ stdenv.lib.optional (readline != null) "--with-readline"
   # --with-dynamic-ffi can only exist with --with-ffcall - foreign.d does not compile otherwise
-  + stdenv.lib.optionalString (ffcallAvailable && (libffi != null)) " --with-dynamic-ffi"
-  + stdenv.lib.optionalString ffcallAvailable " --with-ffcall"
-  + stdenv.lib.optionalString (!ffcallAvailable) " --without-ffcall"
-  + stdenv.lib.concatMapStrings (x: " --with-module=" + x) withModules
-  + stdenv.lib.optionalString threadSupport " --with-threads=POSIX_THREADS";
+  ++ stdenv.lib.optional (ffcallAvailable && (libffi != null)) "--with-dynamic-ffi"
+  ++ stdenv.lib.optional ffcallAvailable "--with-ffcall"
+  ++ stdenv.lib.optional (!ffcallAvailable) "--without-ffcall"
+  ++ builtins.map (x: "--with-module=" + x) withModules
+  ++ stdenv.lib.optional threadSupport "--with-threads=POSIX_THREADS";
 
   preBuild = ''
     sed -e '/avcall.h/a\#include "config.h"' -i src/foreign.d
diff --git a/pkgs/development/interpreters/clisp/hg.nix b/pkgs/development/interpreters/clisp/hg.nix
index 9839220796c7..47dbf8a225cf 100644
--- a/pkgs/development/interpreters/clisp/hg.nix
+++ b/pkgs/development/interpreters/clisp/hg.nix
@@ -62,15 +62,15 @@ stdenv.mkDerivation rec {
     substituteInPlace modules/bindings/glibc/linux.lisp --replace "(def-c-type __swblk_t)" ""
   '';
 
-  configureFlags = "builddir"
-  + stdenv.lib.optionalString (!dllSupport) " --without-dynamic-modules"
-  + stdenv.lib.optionalString (readline != null) " --with-readline"
+  configureFlags = [ "builddir" ]
+  ++ stdenv.lib.optional (!dllSupport) "--without-dynamic-modules"
+  ++ stdenv.lib.optional (readline != null) "--with-readline"
   # --with-dynamic-ffi can only exist with --with-ffcall - foreign.d does not compile otherwise
-  + stdenv.lib.optionalString (ffcallAvailable && (libffi != null)) " --with-dynamic-ffi"
-  + stdenv.lib.optionalString ffcallAvailable " --with-ffcall"
-  + stdenv.lib.optionalString (!ffcallAvailable) " --without-ffcall"
-  + stdenv.lib.concatMapStrings (x: " --with-module=" + x) withModules
-  + stdenv.lib.optionalString threadSupport " --with-threads=POSIX_THREADS";
+  ++ stdenv.lib.optional (ffcallAvailable && (libffi != null)) "--with-dynamic-ffi"
+  ++ stdenv.lib.optional ffcallAvailable "--with-ffcall"
+  ++ stdenv.lib.optional (!ffcallAvailable) "--without-ffcall"
+  ++ builtins.map (x: " --with-module=" + x) withModules
+  ++ stdenv.lib.optional threadSupport "--with-threads=POSIX_THREADS";
 
   preBuild = ''
     sed -e '/avcall.h/a\#include "config.h"' -i src/foreign.d
diff --git a/pkgs/development/libraries/aalib/default.nix b/pkgs/development/libraries/aalib/default.nix
index 0209c41abee3..8b1878b0cc30 100644
--- a/pkgs/development/libraries/aalib/default.nix
+++ b/pkgs/development/libraries/aalib/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
 
   buildInputs = [ ncurses ];
 
-  configureFlags = "--without-x --with-ncurses=${ncurses.dev}";
+  configureFlags = [ "--without-x" "--with-ncurses=${ncurses.dev}" ];
 
   postInstall = ''
     mkdir -p $dev/bin
diff --git a/pkgs/development/libraries/agg/default.nix b/pkgs/development/libraries/agg/default.nix
index ab3098580950..c0539aeed476 100644
--- a/pkgs/development/libraries/agg/default.nix
+++ b/pkgs/development/libraries/agg/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sh autogen.sh
   '';
 
-  configureFlags = "--x-includes=${libX11.dev}/include --x-libraries=${libX11.out}/lib --enable-examples=no";
+  configureFlags = [ "--x-includes=${libX11.dev}/include" "--x-libraries=${libX11.out}/lib" "--enable-examples=no" ];
 
   # libtool --tag=CXX --mode=link g++ -g -O2 libexamples.la ../src/platform/X11/libaggplatformX11.la ../src/libagg.la -o alpha_mask2 alpha_mask2.o
   # libtool: error: cannot find the library 'libexamples.la'
diff --git a/pkgs/development/libraries/arb/git.nix b/pkgs/development/libraries/arb/git.nix
index 87b884fece10..a281e2a085fe 100644
--- a/pkgs/development/libraries/arb/git.nix
+++ b/pkgs/development/libraries/arb/git.nix
@@ -9,8 +9,8 @@ stdenv.mkDerivation rec {
     rev = "10bc615ce5999caf4723444b2b1219b74781d8a4";
     sha256 = "1xb40x3hv9nh76aizhskj5gdhalgn7r95a7zji2nn4ih3lmh40hl";
   };
-  buildInputs = [mpir gmp mpfr flint];
-  configureFlags = "--with-gmp=${gmp} --with-mpir=${mpir} --with-mpfr=${mpfr} --with-flint=${flint}";
+  buildInputs = [ mpir gmp mpfr flint ];
+  configureFlags = [ "--with-gmp=${gmp}" "--with-mpir=${mpir}" "--with-mpfr=${mpfr}" "--with-flint=${flint}" ];
   meta = {
     inherit version;
     description = ''A library for arbitrary-precision interval arithmetic'';
diff --git a/pkgs/development/libraries/beecrypt/default.nix b/pkgs/development/libraries/beecrypt/default.nix
index a48de9a03f21..238901e2ec4f 100644
--- a/pkgs/development/libraries/beecrypt/default.nix
+++ b/pkgs/development/libraries/beecrypt/default.nix
@@ -6,8 +6,8 @@ stdenv.mkDerivation {
     url = mirror://sourceforge/beecrypt/beecrypt-4.2.1.tar.gz;
     sha256 = "0pf5k1c4nsj77jfq5ip0ra1gzx2q47xaa0s008fnn6hd11b1yvr8";
   };
-  buildInputs = [m4];
-  configureFlags = "--disable-optimized --enable-static";
+  buildInputs = [ m4 ];
+  configureFlags = [ "--disable-optimized" "--enable-static" ];
 
   meta = {
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/development/libraries/buddy/default.nix b/pkgs/development/libraries/buddy/default.nix
index 00e236eba8c3..a8555a349d08 100644
--- a/pkgs/development/libraries/buddy/default.nix
+++ b/pkgs/development/libraries/buddy/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ bison ];
   patches = [ ./gcc-4.3.3-fixes.patch ];
-  configureFlags = "CFLAGS=-O3 CXXFLAGS=-O3";
+  configureFlags = [ "CFLAGS=-O3" "CXXFLAGS=-O3" ];
   doCheck = true;
 
   meta = {
diff --git a/pkgs/development/libraries/clearsilver/default.nix b/pkgs/development/libraries/clearsilver/default.nix
index cd1789a13bbd..fd4d8d5ca31b 100644
--- a/pkgs/development/libraries/clearsilver/default.nix
+++ b/pkgs/development/libraries/clearsilver/default.nix
@@ -10,7 +10,14 @@ stdenv.mkDerivation rec {
 
   PYTHON_SITE = "$(out)/site-packages";
 
-  configureFlags = "--with-python=${python}/bin/python --disable-apache --disable-perl --disable-ruby --disable-java --disable-csharp";
+  configureFlags = [
+    "--with-python=${python}/bin/python"
+    "--disable-apache"
+    "--disable-perl"
+    "--disable-ruby"
+    "--disable-java"
+    "--disable-csharp"
+  ];
 
   preInstall = ''
     mkdir -p $out
diff --git a/pkgs/development/libraries/cloog-ppl/default.nix b/pkgs/development/libraries/cloog-ppl/default.nix
index 0ce0af97ec94..47037339d417 100644
--- a/pkgs/development/libraries/cloog-ppl/default.nix
+++ b/pkgs/development/libraries/cloog-ppl/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./fix-ppl-version.patch ];
 
-  configureFlags = "--with-ppl=${ppl}";
+  configureFlags = [ "--with-ppl=${ppl}" ];
 
   preAutoreconf = ''
     touch NEWS ChangeLog AUTHORS
diff --git a/pkgs/development/libraries/cwiid/default.nix b/pkgs/development/libraries/cwiid/default.nix
index 606058da8545..ee646b24c81a 100644
--- a/pkgs/development/libraries/cwiid/default.nix
+++ b/pkgs/development/libraries/cwiid/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
-  configureFlags = "--without-python";
+  configureFlags = [ "--without-python" ];
 
   prePatch = ''
     sed -i -e '/$(LDCONFIG)/d' common/include/lib.mak.in
diff --git a/pkgs/development/libraries/dbus-cplusplus/default.nix b/pkgs/development/libraries/dbus-cplusplus/default.nix
index 051405811438..6190f6ddc52a 100644
--- a/pkgs/development/libraries/dbus-cplusplus/default.nix
+++ b/pkgs/development/libraries/dbus-cplusplus/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ dbus glib expat ];
 
-  configureFlags = "--disable-ecore";
+  configureFlags = [ "--disable-ecore" ];
 
   meta = with stdenv.lib; {
     homepage = http://dbus-cplusplus.sourceforge.net;
diff --git a/pkgs/development/libraries/fflas-ffpack/1.nix b/pkgs/development/libraries/fflas-ffpack/1.nix
index 5efa378ff5fa..eae0326c832f 100644
--- a/pkgs/development/libraries/fflas-ffpack/1.nix
+++ b/pkgs/development/libraries/fflas-ffpack/1.nix
@@ -9,7 +9,11 @@ stdenv.mkDerivation rec {
   };
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
   buildInputs = [ givaro_3_7 openblas gmpxx];
-  configureFlags = "--with-blas=-lopenblas --with-gmp=${gmpxx.dev} --with-givaro=${givaro_3_7}";
+  configureFlags = [
+    "--with-blas=-lopenblas"
+    "--with-gmp=${gmpxx.dev}"
+    "--with-givaro=${givaro_3_7}"
+  ];
   meta = {
     inherit version;
     description = ''Finite Field Linear Algebra Subroutines'';
diff --git a/pkgs/development/libraries/gamin/default.nix b/pkgs/development/libraries/gamin/default.nix
index 2af7bbce18bc..a4e0bcfb52b0 100644
--- a/pkgs/development/libraries/gamin/default.nix
+++ b/pkgs/development/libraries/gamin/default.nix
@@ -14,7 +14,11 @@ stdenv.mkDerivation (rec {
 
   # `_GNU_SOURCE' is needed, e.g., to get `struct ucred' from
   # <sys/socket.h> with Glibc 2.9.
-  configureFlags = "--disable-debug --with-python=${python} CPPFLAGS=-D_GNU_SOURCE";
+  configureFlags = [
+    "--disable-debug"
+    "--with-python=${python}"
+    "CPPFLAGS=-D_GNU_SOURCE"
+  ];
 
   patches = [ ./deadlock.patch ]
     ++ map fetchurl (import ./debian-patches.nix)
diff --git a/pkgs/development/libraries/gegl/3.0.nix b/pkgs/development/libraries/gegl/3.0.nix
index 287c33243865..54ee7662d06e 100644
--- a/pkgs/development/libraries/gegl/3.0.nix
+++ b/pkgs/development/libraries/gegl/3.0.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "format" ];
 
   # needs fonts otherwise  don't know how to pass them
-  configureFlags = "--disable-docs";
+  configureFlags = [ "--disable-docs" ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/libraries/gegl/default.nix b/pkgs/development/libraries/gegl/default.nix
index ccfa7e536111..e90cc257e7e8 100644
--- a/pkgs/development/libraries/gegl/default.nix
+++ b/pkgs/development/libraries/gegl/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   })];
 
   # needs fonts otherwise  don't know how to pass them
-  configureFlags = "--disable-docs";
+  configureFlags = [ "--disable-docs" ];
 
   buildInputs = [ babl libpng cairo libjpeg librsvg pango gtk2 bzip2 intltool libintl ]
     ++ stdenv.lib.optional stdenv.isDarwin OpenGL;
diff --git a/pkgs/development/libraries/gsasl/default.nix b/pkgs/development/libraries/gsasl/default.nix
index 9c19bdbdc29a..71da2c716f84 100644
--- a/pkgs/development/libraries/gsasl/default.nix
+++ b/pkgs/development/libraries/gsasl/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ libidn kerberos ];
 
-  configureFlags = "--with-gssapi-impl=mit";
+  configureFlags = [ "--with-gssapi-impl=mit" ];
 
   doCheck = true;
 
diff --git a/pkgs/development/libraries/icu/base.nix b/pkgs/development/libraries/icu/base.nix
index 705fb816b2e5..b8ad48326b2b 100644
--- a/pkgs/development/libraries/icu/base.nix
+++ b/pkgs/development/libraries/icu/base.nix
@@ -36,9 +36,9 @@ let
       sed -e 's/LDFLAGSICUDT=-nodefaultlibs -nostdlib/LDFLAGSICUDT=/' -i config/mh-linux
     '';
 
-    configureFlags = "--disable-debug" +
-      stdenv.lib.optionalString (stdenv.isFreeBSD || stdenv.isDarwin) " --enable-rpath" +
-      stdenv.lib.optionalString (buildPlatform != hostPlatform) " --with-cross-build=${nativeBuildRoot}";
+    configureFlags = [ "--disable-debug" ]
+      ++ stdenv.lib.optional (stdenv.isFreeBSD || stdenv.isDarwin) "--enable-rpath"
+      ++ stdenv.lib.optional (buildPlatform != hostPlatform) "--with-cross-build=${nativeBuildRoot}";
 
     enableParallelBuilding = true;
 
diff --git a/pkgs/development/libraries/imlib/default.nix b/pkgs/development/libraries/imlib/default.nix
index 624e401b62f7..2b95742c44c0 100644
--- a/pkgs/development/libraries/imlib/default.nix
+++ b/pkgs/development/libraries/imlib/default.nix
@@ -7,10 +7,11 @@ stdenv.mkDerivation {
     sha256 = "0ggjxyvgp4pxc0b88v40xj9daz90518ydnycw7qax011gxpr12d3";
   };
 
-  configureFlags = "
-    --disable-shm
-    --x-includes=${libX11.dev}/include
-    --x-libraries=${libX11.out}/lib";
+  configureFlags = [
+    "--disable-shm"
+    "--x-includes=${libX11.dev}/include"
+    "--x-libraries=${libX11.out}/lib"
+  ];
 
   buildInputs = [libjpeg libXext libX11 xextproto libtiff libungif libpng];
 
diff --git a/pkgs/development/libraries/jasper/default.nix b/pkgs/development/libraries/jasper/default.nix
index bc18a13884b5..de4848c7dda4 100644
--- a/pkgs/development/libraries/jasper/default.nix
+++ b/pkgs/development/libraries/jasper/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   propagatedBuildInputs = [ libjpeg ];
 
-  configureFlags = "--enable-shared";
+  configureFlags = [ "--enable-shared" ];
 
   outputs = [ "bin" "dev" "out" "man" ];
 
diff --git a/pkgs/development/libraries/lensfun/default.nix b/pkgs/development/libraries/lensfun/default.nix
index e9ba4ae5ac21..c815262ac0e7 100644
--- a/pkgs/development/libraries/lensfun/default.nix
+++ b/pkgs/development/libraries/lensfun/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ glib zlib libpng cmake gnumake3 ];
 
-  configureFlags = "-v";
+  configureFlags = [ "-v" ];
 
   meta = with stdenv.lib; {
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libagar/libagar_test.nix b/pkgs/development/libraries/libagar/libagar_test.nix
index dea102774d09..c1e9ba7d1c73 100644
--- a/pkgs/development/libraries/libagar/libagar_test.nix
+++ b/pkgs/development/libraries/libagar/libagar_test.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     cat configure.in | ${bsdbuild}/bin/mkconfigure > configure
   '';
 
-  configureFlags = "--with-agar=${libagar}";
+  configureFlags = [ "--with-agar=${libagar}" ];
 
   buildInputs = [ perl bsdbuild libagar libjpeg libpng openssl ];
 
diff --git a/pkgs/development/libraries/libcanberra/default.nix b/pkgs/development/libraries/libcanberra/default.nix
index 0d1772d0c549..8addb6128f0c 100644
--- a/pkgs/development/libraries/libcanberra/default.nix
+++ b/pkgs/development/libraries/libcanberra/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     ++ lib.optional stdenv.isLinux libcap
     ++ lib.optional withAlsa alsaLib;
 
-  configureFlags = "--disable-oss";
+  configureFlags = [ "--disable-oss" ];
 
   patchFlags = "-p0";
   patches = stdenv.lib.optional stdenv.isDarwin
diff --git a/pkgs/development/libraries/libcmis/default.nix b/pkgs/development/libraries/libcmis/default.nix
index 9ab42c7fd1dd..d62d1a802645 100644
--- a/pkgs/development/libraries/libcmis/default.nix
+++ b/pkgs/development/libraries/libcmis/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
   buildInputs = [ boost libxml2 curl ];
-  configureFlags = "--without-man --with-boost=${boost.dev} --disable-werror --disable-tests";
+  configureFlags = [ "--without-man" "--with-boost=${boost.dev}" "--disable-werror" "--disable-tests" ];
 
   # Cppcheck cannot find all the include files (use --check-config for details)
   doCheck = false;
diff --git a/pkgs/development/libraries/libextractor/default.nix b/pkgs/development/libraries/libextractor/default.nix
index 88b15b58c43d..e3f3604f94e3 100644
--- a/pkgs/development/libraries/libextractor/default.nix
+++ b/pkgs/development/libraries/libextractor/default.nix
@@ -27,10 +27,12 @@ stdenv.mkDerivation rec {
    ] ++ stdenv.lib.optionals gtkSupport [ glib gtk3 ]
      ++ stdenv.lib.optionals videoSupport [ ffmpeg libmpeg2 ];
 
-  configureFlags = "--disable-ltdl-install "
-    + "--with-ltdl-include=${libtool}/include "
-    + "--with-ltdl-lib=${libtool.lib}/lib "
-    + "--enable-xpdf";
+  configureFlags = [
+    "--disable-ltdl-install"
+    "--with-ltdl-include=${libtool}/include"
+    "--with-ltdl-lib=${libtool.lib}/lib"
+    "--enable-xpdf"
+  ];
 
   # Checks need to be run after "make install", otherwise plug-ins are not in
   # the search path, etc.
diff --git a/pkgs/development/libraries/libmp3splt/default.nix b/pkgs/development/libraries/libmp3splt/default.nix
index 7e5ac2a2297c..af8297e98549 100644
--- a/pkgs/development/libraries/libmp3splt/default.nix
+++ b/pkgs/development/libraries/libmp3splt/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ libtool ];
   buildInputs = [ libmad libid3tag ];
 
-  configureFlags = "--disable-pcre";
+  configureFlags = [ "--disable-pcre" ];
 
   meta = with stdenv.lib; {
     homepage    = https://sourceforge.net/projects/mp3splt/;
diff --git a/pkgs/development/libraries/libpng/12.nix b/pkgs/development/libraries/libpng/12.nix
index 01a828f95da5..0153ff8327b6 100644
--- a/pkgs/development/libraries/libpng/12.nix
+++ b/pkgs/development/libraries/libpng/12.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   passthru = { inherit zlib; };
 
-  configureFlags = "--enable-static";
+  configureFlags = [ "--enable-static" ];
 
   postInstall = ''mv "$out/bin" "$dev/bin"'';
 
diff --git a/pkgs/development/libraries/libpqxx/default.nix b/pkgs/development/libraries/libpqxx/default.nix
index 5c4699d26268..5afed2b2a2f5 100644
--- a/pkgs/development/libraries/libpqxx/default.nix
+++ b/pkgs/development/libraries/libpqxx/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     patchShebangs .
   '';
 
-  configureFlags = "--enable-shared";
+  configureFlags = [ "--enable-shared" ];
 
   meta = {
     description = "A C++ library to access PostgreSQL databases";
diff --git a/pkgs/development/libraries/libspatialite/default.nix b/pkgs/development/libraries/libspatialite/default.nix
index b75baf149e1a..8e7b539527e1 100644
--- a/pkgs/development/libraries/libspatialite/default.nix
+++ b/pkgs/development/libraries/libspatialite/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ libxml2 sqlite zlib proj geos libiconv ];
 
-  configureFlags = "--disable-freexl";
+  configureFlags = [ "--disable-freexl" ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/libraries/libzmf/default.nix b/pkgs/development/libraries/libzmf/default.nix
index 6050a7080df9..695effe2ea92 100644
--- a/pkgs/development/libraries/libzmf/default.nix
+++ b/pkgs/development/libraries/libzmf/default.nix
@@ -10,9 +10,9 @@ stdenv.mkDerivation rec {
     sha256 = "08mg5kmkjrmqrd8j5rkzw9vdqlvibhb1ynp6bmfxnzq5rcq1l197";
   };
 
-  buildInputs = [boost icu libpng librevenge zlib cppunit];
-  nativeBuildInputs = [doxygen pkgconfig];
-  configureFlags = " --disable-werror ";
+  buildInputs = [ boost icu libpng librevenge zlib cppunit ];
+  nativeBuildInputs = [ doxygen pkgconfig ];
+  configureFlags = [ "--disable-werror" ];
 
   meta = {
     inherit version;
diff --git a/pkgs/development/libraries/loudmouth/default.nix b/pkgs/development/libraries/loudmouth/default.nix
index e014e38c3f97..aecd75656dae 100644
--- a/pkgs/development/libraries/loudmouth/default.nix
+++ b/pkgs/development/libraries/loudmouth/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   patches = [
   ];
 
-  configureFlags = "--with-ssl=openssl";
+  configureFlags = [ "--with-ssl=openssl" ];
 
   propagatedBuildInputs = [ openssl libidn glib zlib ];
 
diff --git a/pkgs/development/libraries/nlopt/default.nix b/pkgs/development/libraries/nlopt/default.nix
index 3696578b8e04..904cdc6a3daa 100644
--- a/pkgs/development/libraries/nlopt/default.nix
+++ b/pkgs/development/libraries/nlopt/default.nix
@@ -10,11 +10,18 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ octave ];
 
-  configureFlags = "--with-cxx --enable-shared --with-pic --without-guile --without-python
-  --without-matlab " +
-    stdenv.lib.optionalString (octave != null) ("--with-octave " +
-        "M_INSTALL_DIR=$(out)/${octave.sitePath}/m " +
-        "OCT_INSTALL_DIR=$(out)/${octave.sitePath}/oct ");
+  configureFlags = [
+    "--with-cxx"
+    "--enable-shared"
+    "--with-pic"
+    "--without-guile"
+    "--without-python"
+    "--without-matlab"
+  ] ++ stdenv.lib.optionals (octave != null) [
+    "--with-octave"
+    "M_INSTALL_DIR=$(out)/${octave.sitePath}/m"
+    "OCT_INSTALL_DIR=$(out)/${octave.sitePath}/oct"
+  ];
 
   meta = {
     homepage = http://ab-initio.mit.edu/nlopt/;
diff --git a/pkgs/development/libraries/ntrack/default.nix b/pkgs/development/libraries/ntrack/default.nix
index fb36839fe233..44c8f51e856a 100644
--- a/pkgs/development/libraries/ntrack/default.nix
+++ b/pkgs/development/libraries/ntrack/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig python ];
 
-  configureFlags = "--without-gobject CFLAGS=--std=gnu99";
+  configureFlags = [ "--without-gobject" "CFLAGS=--std=gnu99" ];
 
   # Remove this patch after version 016
   patches = [ ./libnl-fix.patch ];
diff --git a/pkgs/development/libraries/openwsman/default.nix b/pkgs/development/libraries/openwsman/default.nix
index 1aa0f2684571..2122a7b23f1b 100644
--- a/pkgs/development/libraries/openwsman/default.nix
+++ b/pkgs/development/libraries/openwsman/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     cmakeFlags="$cmakeFlags -DPACKAGE_ARCHITECTURE=$(uname -m)";
   '';
 
-  configureFlags = "--disable-more-warnings";
+  configureFlags = [ "--disable-more-warnings" ];
 
   meta = with stdenv.lib; {
     description  = "Openwsman server implementation and client API with bindings";
diff --git a/pkgs/development/libraries/rarian/default.nix b/pkgs/development/libraries/rarian/default.nix
index 484e58568721..4446226fedef 100644
--- a/pkgs/development/libraries/rarian/default.nix
+++ b/pkgs/development/libraries/rarian/default.nix
@@ -12,7 +12,7 @@ in stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ perl perlXMLParser libxml2 libxslt];
-  configureFlags = "--with-xml-catalog=${docbook_xml_dtd_42}/xml/dtd/docbook/docbook.cat";
+  configureFlags = [ "--with-xml-catalog=${docbook_xml_dtd_42}/xml/dtd/docbook/docbook.cat" ];
 
   passthru = {
     updateScript = gnome3.updateScript {
diff --git a/pkgs/development/libraries/readosm/default.nix b/pkgs/development/libraries/readosm/default.nix
index 5a4306a63a78..1c777e849a46 100644
--- a/pkgs/development/libraries/readosm/default.nix
+++ b/pkgs/development/libraries/readosm/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ expat zlib geos libspatialite ];
 
-  configureFlags = "--disable-freexl";
+  configureFlags = [ "--disable-freexl" ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/libraries/science/biology/htslib/default.nix b/pkgs/development/libraries/science/biology/htslib/default.nix
index 2144a7f78935..48548bd72652 100644
--- a/pkgs/development/libraries/science/biology/htslib/default.nix
+++ b/pkgs/development/libraries/science/biology/htslib/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ zlib bzip2 lzma curl ];
 
-  configureFlags = "--enable-libcurl"; # optional but strongly recommended
+  configureFlags = [ "--enable-libcurl" ]; # optional but strongly recommended
 
   installFlags = "prefix=$(out)";
 
diff --git a/pkgs/development/libraries/science/math/liblbfgs/default.nix b/pkgs/development/libraries/science/math/liblbfgs/default.nix
index fe90fa2e171d..33e8baada834 100644
--- a/pkgs/development/libraries/science/math/liblbfgs/default.nix
+++ b/pkgs/development/libraries/science/math/liblbfgs/default.nix
@@ -2,7 +2,7 @@
 stdenv.mkDerivation {
   name = "liblbfgs-1.10";
 
-  configureFlags = "--enable-sse2";
+  configureFlags = [ "--enable-sse2" ];
   src = fetchurl {
     url = https://github.com/downloads/chokkan/liblbfgs/liblbfgs-1.10.tar.gz;
     sha256 = "1kv8d289rbz38wrpswx5dkhr2yh4fg4h6sszkp3fawxm09sann21";
diff --git a/pkgs/development/libraries/snack/default.nix b/pkgs/development/libraries/snack/default.nix
index 1b5564dc1590..acf10cc497c8 100644
--- a/pkgs/development/libraries/snack/default.nix
+++ b/pkgs/development/libraries/snack/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "07p89jv9qnjqkszws9sssq93ayvwpdnkcxrvyicbm4mb8x2pdzjb";
   };
 
-  configureFlags = "--with-tcl=${tcl}/lib --with-tk=${tk}/lib";
+  configureFlags = [ "--with-tcl=${tcl}/lib" "--with-tk=${tk}/lib" ];
 
   postUnpack = ''sourceRoot="$sourceRoot/unix"'';
 
diff --git a/pkgs/development/libraries/spatialite-tools/default.nix b/pkgs/development/libraries/spatialite-tools/default.nix
index 9070423d8c76..4ea7de0b1a38 100644
--- a/pkgs/development/libraries/spatialite-tools/default.nix
+++ b/pkgs/development/libraries/spatialite-tools/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ sqlite expat zlib proj geos libspatialite readosm ];
 
-  configureFlags = "--disable-freexl";
+  configureFlags = [ "--disable-freexl" ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/libraries/sword/default.nix b/pkgs/development/libraries/sword/default.nix
index 0c3bb3b13064..afb168d5aa2a 100644
--- a/pkgs/development/libraries/sword/default.nix
+++ b/pkgs/development/libraries/sword/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  configureFlags = "--without-conf --enable-tests=no CXXFLAGS=-Wno-unused-but-set-variable";
+  configureFlags = [ "--without-conf" "--enable-tests=no CXXFLAGS=-Wno-unused-but-set-variable" ];
 
   meta = with stdenv.lib; {
     description = "A software framework that allows research manipulation of Biblical texts";
diff --git a/pkgs/development/libraries/thrift/default.nix b/pkgs/development/libraries/thrift/default.nix
index cb200b82e207..dee441a0c2f6 100644
--- a/pkgs/development/libraries/thrift/default.nix
+++ b/pkgs/development/libraries/thrift/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   # TODO: package boost-test, so we can run the test suite. (Currently it fails
   # to find libboost_unit_test_framework.a.)
-  configureFlags = "--enable-tests=no";
+  configureFlags = [ "--enable-tests=no" ];
   doCheck = false;
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/vapoursynth-mvtools/default.nix b/pkgs/development/libraries/vapoursynth-mvtools/default.nix
index 2fa6710c4faf..c2ab61c6bd17 100644
--- a/pkgs/development/libraries/vapoursynth-mvtools/default.nix
+++ b/pkgs/development/libraries/vapoursynth-mvtools/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     yasm vapoursynth fftwFloat
   ];
 
-  configureFlags = "--libdir=$(out)/lib/vapoursynth";
+  configureFlags = [ "--libdir=$(out)/lib/vapoursynth" ];
 
   meta = with stdenv.lib; {
     description = "A set of filters for motion estimation and compensation";
diff --git a/pkgs/development/libraries/wayland/1.9.nix b/pkgs/development/libraries/wayland/1.9.nix
index 3555a9232285..750a786c3fca 100644
--- a/pkgs/development/libraries/wayland/1.9.nix
+++ b/pkgs/development/libraries/wayland/1.9.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sha256 = "1yhy62vkbq8j8c9zaa6yzvn75cd99kfa8n2zfdwl80x019r711ww";
   };
 
-  configureFlags = "--with-scanner --disable-documentation";
+  configureFlags = [ "--with-scanner" "--disable-documentation" ];
 
   nativeBuildInputs = [ pkgconfig ];
 
diff --git a/pkgs/development/misc/avr/binutils/default.nix b/pkgs/development/misc/avr/binutils/default.nix
index 0826b83ed199..4d569608091d 100644
--- a/pkgs/development/misc/avr/binutils/default.nix
+++ b/pkgs/development/misc/avr/binutils/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     url = "mirror://gnu/binutils/binutils-${version}.tar.bz2";
     sha256 = "028cklfqaab24glva1ks2aqa1zxa6w6xmc8q34zs1sb7h22dxspg";
   };
-  configureFlags = "--target=avr --enable-languages=c,c++";
+  configureFlags = [ "--target=avr" "--enable-languages=c,c++" ];
 
   meta = with stdenv.lib; {
     description = "the GNU Binutils for AVR microcontrollers";
diff --git a/pkgs/development/ocaml-modules/bap/default.nix b/pkgs/development/ocaml-modules/bap/default.nix
index 72c426ce0372..445ff3ecb18a 100644
--- a/pkgs/development/ocaml-modules/bap/default.nix
+++ b/pkgs/development/ocaml-modules/bap/default.nix
@@ -55,7 +55,7 @@ stdenv.mkDerivation rec {
 
   disableIda = "--disable-ida --disable-fsi-benchmark";
 
-  configureFlags = "--enable-everything ${disableIda} --with-llvm-config=${llvm_38}/bin/llvm-config";
+  configureFlags = [ "--enable-everything ${disableIda}" "--with-llvm-config=${llvm_38}/bin/llvm-config" ];
 
   BAPBUILDFLAGS = "-j $(NIX_BUILD_CORES)";
 
diff --git a/pkgs/development/ocaml-modules/fileutils/default.nix b/pkgs/development/ocaml-modules/fileutils/default.nix
index a7dc5ef0191e..8c9aa46d9a00 100644
--- a/pkgs/development/ocaml-modules/fileutils/default.nix
+++ b/pkgs/development/ocaml-modules/fileutils/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
 
   buildInputs = [ ocaml findlib ocamlbuild ounit ];
 
-  configureFlags = "--enable-tests";
+  configureFlags = [ "--enable-tests" ];
   doCheck = true;
   checkTarget = "test";
 
diff --git a/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix b/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix
index 5dc303b59f48..55a4a02f7ffc 100644
--- a/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix
+++ b/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation (rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ ocaml findlib gtk2 libgnomecanvas libglade gtksourceview camlp4 ];
 
-  configureFlags = "--with-libdir=$(out)/lib/ocaml/${ocaml.version}/site-lib";
+  configureFlags = [ "--with-libdir=$(out)/lib/ocaml/${ocaml.version}/site-lib" ];
   buildFlags = "world";
 
   preInstall = ''
diff --git a/pkgs/development/ocaml-modules/lablgtk/default.nix b/pkgs/development/ocaml-modules/lablgtk/default.nix
index ff42af0c0e40..6b01929db768 100644
--- a/pkgs/development/ocaml-modules/lablgtk/default.nix
+++ b/pkgs/development/ocaml-modules/lablgtk/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ ocaml findlib gtk2 libgnomecanvas libglade gtksourceview ];
 
-  configureFlags = "--with-libdir=$(out)/lib/ocaml/${ocaml.version}/site-lib";
+  configureFlags = [ "--with-libdir=$(out)/lib/ocaml/${ocaml.version}/site-lib" ];
   buildFlags = "world";
 
   preInstall = ''
diff --git a/pkgs/development/ocaml-modules/ocsigen-server/default.nix b/pkgs/development/ocaml-modules/ocsigen-server/default.nix
index efbb12304970..474f69ba918e 100644
--- a/pkgs/development/ocaml-modules/ocsigen-server/default.nix
+++ b/pkgs/development/ocaml-modules/ocsigen-server/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation {
   ocaml_sqlite3 tree uutf makeWrapper camlp4 pgocaml camlzip ]
   ++ (param.buildInputs or []);
 
-  configureFlags = "--root $(out) --prefix /";
+  configureFlags = [ "--root $(out) --prefix /" ];
 
   dontAddPrefix = true;
 
diff --git a/pkgs/development/ocaml-modules/qcheck/default.nix b/pkgs/development/ocaml-modules/qcheck/default.nix
index 20100a9b2eb5..dfe7ec84d636 100644
--- a/pkgs/development/ocaml-modules/qcheck/default.nix
+++ b/pkgs/development/ocaml-modules/qcheck/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   buildInputs = [ ocaml findlib ocamlbuild ounit ];
 
-  configureFlags = "--enable-tests";
+  configureFlags = [ "--enable-tests" ];
 
   doCheck = true;
   checkPhase = "ocaml setup.ml -test";
diff --git a/pkgs/development/python-modules/pygobject/default.nix b/pkgs/development/python-modules/pygobject/default.nix
index 796fc992a7dc..56e8f1fa5eb6 100644
--- a/pkgs/development/python-modules/pygobject/default.nix
+++ b/pkgs/development/python-modules/pygobject/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     ./pygobject-2.28.6-gio-types-2.32.patch
   ];
 
-  configureFlags = "--disable-introspection";
+  configureFlags = [ "--disable-introspection" ];
 
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [ glib ];
diff --git a/pkgs/development/tools/documentation/gnome-doc-utils/default.nix b/pkgs/development/tools/documentation/gnome-doc-utils/default.nix
index 7e8a41590724..9b16d55d4138 100644
--- a/pkgs/development/tools/documentation/gnome-doc-utils/default.nix
+++ b/pkgs/development/tools/documentation/gnome-doc-utils/default.nix
@@ -13,7 +13,7 @@ python2Packages.buildPythonApplication {
   nativeBuildInputs = [ intltool pkgconfig ];
   buildInputs = [ libxslt ];
 
-  configureFlags = "--disable-scrollkeeper";
+  configureFlags = [ "--disable-scrollkeeper" ];
 
   preBuild = ''
     substituteInPlace xml2po/xml2po/Makefile --replace '-e "s+^#!.*python.*+#!$(PYTHON)+"' '-e "s\"^#!.*python.*\"#!$(PYTHON)\""'
diff --git a/pkgs/development/tools/misc/cscope/default.nix b/pkgs/development/tools/misc/cscope/default.nix
index 0b1bbf5f9e4d..52d3adf3bec6 100644
--- a/pkgs/development/tools/misc/cscope/default.nix
+++ b/pkgs/development/tools/misc/cscope/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "1byk29rcpyygrnr03h5j3y8j0aqxldd9dr5ihi9q982sy28x12a8";
   };
 
-  configureFlags = "--with-ncurses=${ncurses.dev}";
+  configureFlags = [ "--with-ncurses=${ncurses.dev}" ];
 
   buildInputs = [ ncurses ];
   nativeBuildInputs = stdenv.lib.optional emacsSupport emacs;
diff --git a/pkgs/development/tools/misc/ddd/default.nix b/pkgs/development/tools/misc/ddd/default.nix
index 9375dfb20cd8..7238bcdeb6b8 100644
--- a/pkgs/development/tools/misc/ddd/default.nix
+++ b/pkgs/development/tools/misc/ddd/default.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     sha256 = "0p5nx387857w3v2jbgvps2p6mlm0chajcdw5sfrddcglsxkwvmis";
   };
   buildInputs = [motif ncurses libX11 libXt];
-  configureFlags = "--with-x";
+  configureFlags = [ "--with-x" ];
 
   patches = [ ./gcc44.patch ];
 
diff --git a/pkgs/development/tools/misc/gnum4/default.nix b/pkgs/development/tools/misc/gnum4/default.nix
index 9cd6e2c5e1ac..7e92df1a9978 100644
--- a/pkgs/development/tools/misc/gnum4/default.nix
+++ b/pkgs/development/tools/misc/gnum4/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   doCheck = false;
 
-  configureFlags = "--with-syscmd-shell=${stdenv.shell}";
+  configureFlags = [ "--with-syscmd-shell=${stdenv.shell}" ];
 
   # Upstream is aware of it; it may be in the next release.
   patches = [ ./s_isdir.patch ] ++ stdenv.lib.optional hostPlatform.isDarwin stdenv.secure-format-patch;
diff --git a/pkgs/development/tools/misc/swig/2.x.nix b/pkgs/development/tools/misc/swig/2.x.nix
index 6dbaca26c818..acf1988c947d 100644
--- a/pkgs/development/tools/misc/swig/2.x.nix
+++ b/pkgs/development/tools/misc/swig/2.x.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoconf automake libtool bison ];
   buildInputs = [ pcre ];
 
-  configureFlags = "--without-tcl";
+  configureFlags = [ "--without-tcl" ];
 
   postPatch = ''
     # Disable ccache documentation as it need yodl
diff --git a/pkgs/development/tools/misc/swig/3.x.nix b/pkgs/development/tools/misc/swig/3.x.nix
index 48a2e7bd2cb1..077d037aa97f 100644
--- a/pkgs/development/tools/misc/swig/3.x.nix
+++ b/pkgs/development/tools/misc/swig/3.x.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoconf automake libtool bison ];
   buildInputs = [ pcre ];
 
-  configureFlags = "--without-tcl";
+  configureFlags = [ "--without-tcl" ];
 
   postPatch = ''
     # Disable ccache documentation as it need yodl
diff --git a/pkgs/development/tools/misc/swig/default.nix b/pkgs/development/tools/misc/swig/default.nix
index e10fd25d046f..cfd1c7728cb2 100644
--- a/pkgs/development/tools/misc/swig/default.nix
+++ b/pkgs/development/tools/misc/swig/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   # 'make check' uses boost and tcl
   buildInputs = stdenv.lib.optionals doCheck [ boost tcl ];
 
-  configureFlags = "--disable-ccache";
+  configureFlags = [ "--disable-ccache" ];
 
   meta = {
     description = "Interface compiler that connects C/C++ code to higher-level languages";