foremost: unbreak on Darwin

Support darwin build and add jiegec as maintainer.

pkgs/tools/system/foremost/default.nix

@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   #   ld: api.o:(.bss+0xbdba0): multiple definition of `wildcard'; main.o:(.bss+0xbd760): first defined here
   NIX_CFLAGS_COMPILE = "-fcommon";
 
-  makeFlags = [ "PREFIX=$(out)" ];
+  makeFlags = [ "PREFIX=$(out)" ] ++ lib.optionals stdenv.isDarwin [ "mac" ];
 
   enableParallelBuilding = true;
 
@@ -39,6 +39,7 @@ stdenv.mkDerivation rec {
     '';
     homepage = "http://foremost.sourceforge.net/";
     license = licenses.publicDomain;
-    platforms = platforms.linux;
+    maintainers = [ maintainers.jiegec ];
+    platforms = platforms.linux ++ platforms.darwin;
   };
 }

pkgs/tools/system/foremost/makefile.patch

@@ -1,6 +1,15 @@
---- a/Makefile	2015-04-21 00:40:46.949266581 +0200
-+++ b/Makefile	2015-04-21 00:41:38.637165883 +0200
-@@ -24,9 +24,9 @@
+diff --git a/Makefile b/Makefile
+index 1a20f4f..077acdb 100755
+--- a/Makefile
++++ b/Makefile
+@@ -1,5 +1,5 @@
+ 
+-RAW_CC = gcc
++RAW_CC := $(CC)
+ RAW_FLAGS = -Wall -O2
+ LINK_OPT = 
+ VERSION = 1.5.7
+@@ -24,9 +24,9 @@ MAN_PAGES = $(NAME).8.gz
  RAW_FLAGS += -DVERSION=\"$(VERSION)\"
  
  # Where we get installed
@@ -13,7 +22,7 @@
  # Setup for compiling and cross-compiling for Windows
  # The CR_ prefix refers to cross compiling from OSX to Windows
  CR_CC = $(CR_BASE)/gcc
-@@ -120,7 +120,6 @@
+@@ -120,7 +120,6 @@ foremost: $(OBJ)
  install: goals
  	install -m 755 $(NAME) $(BIN)
  	install -m 444 $(MAN_PAGES) $(MAN)