enigma: better musl-redirect.patch

Thanks to @chneukirchen. freopen(3) works with stdout and stderr,
just the assigment to *stdout and *stderr is not possible.

srcpkgs/enigma/patches/musl-redirect.patch

@@ -1,31 +1,31 @@
-In musl libc stdout and stderr are const and can't be
-set to different files, thus disable --redirect.
+We can't assign to *stdout and *stderr with musl libc
+because both file pointers are const.
 
 --- src/main.cc	2014-12-19 22:24:38.000000000 +0100
-+++ src/main.cc	2015-11-18 21:54:09.698790150 +0100
-@@ -131,7 +131,9 @@
-            "    --nomusic      Disable music\n"
-            "    --nosound      Disable music and sound effects\n"
-            "    --pref -p file Use filename or dirname for preferences\n"
-+#if defined(__GLIBC__)
-            "    --redirect     Redirect stdout/stderr to files on user path\n"
-+#endif
-            "    --robinson     avoid connections to the internet\n"
-            "    --showfps      Show the framerate (FPS) during the Game\n"
-            "    --version      Print the executable's version number\n"
-@@ -298,6 +300,7 @@
- #ifdef WIN32
-     ap.redirect = true;
- #endif
-+#if defined(__GLIBC__)
++++ src/main.cc	2015-11-19 13:53:23.419299858 +0100
+@@ -301,21 +301,25 @@
      if (ap.redirect) {
          FILE *newfp;
          newfp = std::freopen((userStdPath + "/Output.log").c_str(), "w", stdout);
-@@ -318,6 +321,7 @@
++#if defined(__GLIBC__)
+         if ( newfp == NULL ) {  // This happens on NT
+             newfp = fopen((userStdPath + "/Output.log").c_str(), "w");
+             if (newfp) {  // in case stdout is a macro
+                 *stdout = *newfp;
+             }
          }
++#endif
+         setvbuf(stdout, NULL, _IOLBF, BUFSIZ);   // Line buffered
+ 
+         newfp = std::freopen((userStdPath + "/Error.log").c_str(), "w", stderr);
++#if defined(__GLIBC__)
+         if ( newfp == NULL ) {  // This happens on NT
+             newfp = fopen((userStdPath + "/Error.log").c_str(), "w");
+             if (newfp) {  // in case stderr is a macro
+                 *stderr = *newfp;
+             }
+         }
++#endif
          setbuf(stderr, NULL);   // No buffering
      }
-+#endif
  
-     // initialize logfile -- needs ap
-     if (ap.do_log)

srcpkgs/enigma/template

@@ -1,7 +1,7 @@
 # Template file for 'enigma'
 pkgname=enigma
 version=1.21
-revision=1
+revision=2
 build_style=gnu-configure
 hostmakedepends="ImageMagick automake libtool gettext-devel SDL-devel pkg-config"
 makedepends="libcurl-devel libxerces-c-devel SDL_mixer-devel SDL_image-devel SDL_ttf-devel"