premake: add setup-hook

Adds a configure phase for packages using premake.
premakeConfigurePhase runs the correct premake version for the premake
you are using (see premake_cmd).

pkgs/development/tools/misc/premake/3.nix

@@ -18,6 +18,9 @@ stdenv.mkDerivation {
     install -Dm755 bin/premake $out/bin/premake
   '';
 
+  premake_cmd = "premake3";
+  setupHook = ./setup-hook.sh;
+
   meta = {
     homepage = http://industriousone.com/premake;
     description = "A simple build configuration and project generation tool using lua";

pkgs/development/tools/misc/premake/5.nix

@@ -31,6 +31,9 @@ stdenv.mkDerivation rec {
     install -Dm755 bin/release/premake5 $out/bin/premake5
   '';
 
+  premake_cmd = "premake5";
+  setupHook = ./setup-hook.sh;
+
   meta = {
     homepage = https://premake.github.io;
     description = "A simple build configuration and project generation tool using lua";

pkgs/development/tools/misc/premake/default.nix

@@ -12,7 +12,7 @@ stdenv.mkDerivation {
     sha256 = "1017rd0wsjfyq2jvpjjhpszaa7kmig6q1nimw76qx3cjz2868lrn";
   };
 
-  buildInputs = [ unzip ];
+  nativeBuildInputs = [ unzip ];
 
   buildPhase = ''
     make -C build/gmake.unix/
@@ -22,11 +22,14 @@ stdenv.mkDerivation {
     install -Dm755 bin/release/premake4 $out/bin/premake4
   '';
 
+  premake_cmd = "premake4";
+  setupHook = ./setup-hook.sh;
+
   meta = with stdenv.lib; {
     homepage = http://industriousone.com/premake;
     description = "A simple build configuration and project generation tool using lua";
     license = stdenv.lib.licenses.bsd3;
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     maintainers = [ maintainers.bjornfor ];
   };
 }

pkgs/development/tools/misc/premake/setup-hook.sh

@@ -0,0 +1,19 @@
+premakeConfigurePhase() {
+    runHook preConfigure
+
+    local flagsArray=(
+        ${premakefile:+--file=$premakefile}
+        $premakeFlags ${premakeFlagsArray[@]}
+        ${premakeBackend:-gmake}
+    )
+
+    echoCmd 'configure flags' "${flagsArray[@]}"
+
+    @premake_cmd@ "${flagsArray[@]}"
+
+    runHook postConfigure
+}
+
+if [ -z "$configurePhase" ]; then
+    configurePhase=premakeConfigurePhase
+fi