Bug#437949: texlive-bin: FTBFS on hurd-i386 because of icu

[Michael Casadevall <sonicmctails@gmail.com>]

Independently of Samuel, I ended up patching the same bug in Texlive, 
but I did a different method of fixing
NOFILE instead of simply defining it to 256; According to the POSIX 
reference I found, NOFILE is the maximum
files that can be opened at one time by a single process. On hurd, this 
is dymanic (and I believe the default is 1024
based on what sysconf(_SC_OPEN_MAX) says). My patch causes the array to 
be allocated dymanically should
NOFILE not be defined.

That being said, Samuel's patch properly fixes the build system by 
adding a mh-gnu file,
(my patch simply replaces mh-unknown with mh-linux). I've included the 
revelent fix for
detex.l below.
Michael

--- a/build/source/texk/detex/detex.l    Sun Aug 26 05:16:32 2007 -0400
+++ b/build/source/texk/detex/detex.l    Mon Aug 27 07:26:04 2007 -0400
@@ -34,6 +34,9 @@ static char    rcsid[] = "$Header: /p/src/l
#endif
#ifndef MAXPATHLEN
#include <sys/param.h>
+#endif
+#ifndef NOFILE
+#include <unistd.h>
#endif
#define PATH_MAX MAXPATHLEN
#ifdef OS2
@@ -89,7 +92,15 @@ char    *rgsbInputPaths[MAXINPUTPATHS];    /*
char    *rgsbInputPaths[MAXINPUTPATHS];    /* list of input paths in 
order */
char    sbCurrentEnv[CCHMAXENV];    /* current environment being ignored */
char    *sbProgName;            /* name we were invoked with */
+
+/* Not all systems define NOFILE */
+#ifdef NOFILE
FILE    *rgfp[NOFILE+1];        /* stack of input/include files */
+#else
+FILE     **rgfp;
+#endif /* NOFILE */
+
int    cfp = 0;            /* count of files in stack */
int    cOpenBrace = 0;            /* count of `{' in <LaMacro2> */
int    csbEnvIgnore;            /* count of environments ignored */
@@ -278,6 +289,11 @@ char    *rgsbArgs[];
    char    *pch, *sbEnvList = DEFAULTENV, sbBadOpt[2];
    FILE    *TexOpen();
    int    fSawFile = 0, iArgs = 1;
+
+    /* Allocate rgfp if we don't have NOFILE defined */
+#ifndef NOFILE
+    *rgfp = malloc((sysconf(_SC_OPEN_MAX)+1) * sizeof(FILE));
+#endif