GNU bug report logs - #19777
Cross compiling grep for Mingw-w64 and wildcards don't work

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Subject: Cross compiling grep for Mingw-w64 and wildcards don't work
From: Guitar Hero <guitarhero683@HIDDEN>
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Hello I have cross-compiled grep for Windows using the mingw-w64 32-bit
toolchain. I have some problems with it on Windows and I had some problems
building. The steps I took in Ubuntu were:

sudo apt-get install gcc-mingw-w64-i686 g++-mingw-w64-i686 mingw-w64-tool
sudo apt-get install autopoint bison libbison-dev gperf texinfo

Clone the grep repo; currently at master 846e7ee.

./bootstrap
./configure --host=i686-w64-mingw32

There were errors because Werror is enabled. I edited the lib/Makefile
directly to remove -Werror from WERROR_CFLAGS. I built again and got
warnings like "cast from function call of type 'intptr_t' to non-matching
type 'void *'". A list of the warnings is attached.

Now I have a grep.exe but wild cards aren't working from the command
prompt. And from the msys bash shell directories are bad file descriptor.

grep -r a *
grep: *: Invalid argument

From bash I get bad file descriptors for directories:

$ /c/grep -r a *
c:\grep.exe: dir: Bad file descriptor

I really would like to use grep on windows, primarily from the command
prompt. I don't know if I've done anything that is wrong or maybe there is
a bug somewhere. Unfortunately I don't think I'll be able to fix what is
happening. Can you help?

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<div dir=3D"ltr"><div><div><div><div>Hello I have cross-compiled grep for W=
indows using the mingw-w64 32-bit toolchain. I have some problems with it o=
n Windows and I had some problems building. The steps I took in Ubuntu were=
:<br><br>sudo apt-get install gcc-mingw-w64-i686 g++-mingw-w64-i686 mingw-w=
64-tool<br>sudo apt-get install autopoint bison libbison-dev gperf texinfo<=
br></div><br>Clone the grep repo; currently at master 846e7ee.<br><br></div=
>./bootstrap<br></div>./configure --host=3Di686-w64-mingw32<br><br></div>Th=
ere were errors because Werror is enabled. I edited the lib/Makefile direct=
ly to remove -Werror from WERROR_CFLAGS. I built again and got warnings lik=
e &quot;cast from function call of type &#39;intptr_t&#39; to non-matching =
type &#39;void *&#39;&quot;. A list of the warnings is attached.<br><br>Now=
 I have a grep.exe but wild cards aren&#39;t working from the command promp=
t. And from the msys bash shell directories are bad file descriptor.<br><br=
><div><div><div><div>grep -r a *<br>grep: *: Invalid argument<br><br></div>=
<div>From bash I get bad file descriptors for directories:<br><br>$ /c/grep=
 -r a *<br>c:\grep.exe: dir: Bad file descriptor<br><br></div><div>I really=
 would like to use grep on windows, primarily from the command prompt. I do=
n&#39;t know if I&#39;ve done anything that is wrong or maybe there is a bu=
g somewhere. Unfortunately I don&#39;t think I&#39;ll be able to fix what i=
s happening. Can you help?<br></div><div><br></div><div><br></div></div></d=
iv></div></div>

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