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stdout not visible on some programs after upgrading from to 1.7.11-1 to 1.7.15-1


Hello,

I use cygwin on a windows 7 machine to automate a Visual Studio 10
build from the command line.  To do this, I invoke MSBuild.exe with a
wrapper script called msbuild.sh (see below).  Under cygwin 1.7.11-1,
the stdout from msbuild.exe appears on the console where I invoke
msbuild.sh as expected.  But after a recent upgrade to 1.7.15-1, the
stdout stops appearing.  By inspecting the running processes in the
windows task manager, I see that msbuild.exe is launching the
compiler, etc.  Notably, if I replace the invocation of msbuild.exe
with another program (e.g., dir), I do see the expected stdout.
Further, if I execute the relevant commands in the native cmd shell, I
do see the msbuild.exe output.  I considered tracking down the
specific package that lead to this regression, but I didn't find a
mirror with the older packages.  Below I've pasted the output of
cygcheck -c for the working and failing systems.  Can somebody advise
me on a sensible next steps to recovering the stdout of msbuild.exe?

Please CC me in responses.

Thanks,
Brian

msbuild.sh and common.sh
====================


#!/bin/bash
. `dirname $0`/common.sh

function print_help {
	echo "$(cat <<EOF
EOF
msbuild.sh: cygwin wrapper for MSBuild.sh

msbuild.sh simply sets up the environment to call MSBuild.exe from cygwin.
Non-option trailing arguments are simply passed to MSBuild.sh.

Usage: msbuild.sh [options] <MSBuild.exe args>

-h            print this help message

Examples:

Rebuild all projects in the MTC solution:

   $ msbuild.sh MTC.sln /t:rebuild

Build the Release configuration of the MTC solution:

   $ msbuild.sh MTC.sln /p:Configuration=Release

Print MSBuild.exe help output:

   $ msbuild.sh /help

EOF
)"
}

while getopts "h" opt; do
	case ${opt} in
		h)
			print_help
			exit 0
			;;
		\?)
			echo "Invalid option: -${OPTARG}" >&2
			exit 1
			;;
	esac
done

OS=`uname -o`

if [ "${OS}" != "Cygwin" ]; then
	echo "Expected Cygwin, but got " ${OS}
	exit 1
fi

set_cygwin_vars

# Now get ready for a whopping mess of escapage.  You'd thing that considering
# how prevalent parens and spaces are in MS path names the shell would be a bit
# more friendly at handling them.  But we have to escape them with ^
VS100PATH=`echo $VS100COMNTOOLS  | sed 's/\([ ()]\)/\^\1/g'`
echo about to launch...
env
CMD="cmd /c ${VS100PATH}\..\..\VC\vcvarsall.bat x86 && MSBuild.exe ${*}"
$CMD


common.sh
=========

# This file contains common code useful to all scripts.

[ "${UV_SVN_URL}" = "" ] && UV_SVN_URL=https://dev.urbansim.org/urban_vision

function die {
	echo $*
	exit 1
}

function get_svn_version {
	svn info ${UV_SVN_URL} | grep Revision | awk '{print $2}'
}

function set_cygwin_vars()
{
	echo "Setting cygwin environment variables"
	if [ "$SSH_TTY" ]; then
		pushd . >/dev/null
		for __dir in \
			/proc/registry/HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/Session\
Manager/Environment \
			/proc/registry/HKEY_CURRENT_USER/Environment
		do
			if [ ! -d "$__dir" ]; then
				echo "ERROR: $__dir does not exist."
				exit 1
			fi
			cd "$__dir"
			for __var in *
			do
				__var=`echo $__var | tr '[a-z]' '[A-Z]'`
				if [ "$__var" == "PATH" -o "$__var" == "TEMP" -o "$__var" == "TMP"
-o "$__var" == "COMSPEC" ]; then
					continue
				fi
				echo "Setting $__var to `cat $__var`"
				test -z "${!__var}" && export $__var="`cat $__var`" >/dev/null 2>&1
			done
		done
		unset __dir
		unset __var
		popd >/dev/null
	fi
}

cygcheck -c from working 1.7.11-1 system
===============================


Cygwin Package Information
Package                   Version              Status
_update-info-dir          01022-1              OK
alternatives              1.3.30c-10           OK
base-cygwin               3.0-1                OK
base-files                4.1-1                OK
bash                      4.1.10-4             OK
bzip2                     1.0.6-2              OK
ca-certificates           1.81-1               OK
coreutils                 8.15-1               OK
cpio                      2.11-1               OK
crypt                     1.1-1                OK
csih                      0.9.5-1              OK
cvs                       1.12.13-10           OK
cvsps                     2.2b1-1              OK
cygrunsrv                 1.40-1               OK
cygutils                  1.4.8-1              OK
cygwin                    1.7.11-1             OK
cygwin-doc                1.7-1                OK
dash                      0.5.7-1              OK
dbus                      1.4.16-1             OK
diffutils                 2.9-1                OK
dos2unix                  5.3.3-1              OK
dri-drivers               7.11.2-1             OK
editrights                1.01-2               OK
emacs                     23.4-1               OK
emacs-X11                 23.4-1               OK
file                      5.09-1               OK
findutils                 4.5.9-2              OK
font-adobe-dpi75          1.0.2-1              OK
font-alias                1.0.3-1              OK
font-encodings            1.0.4-1              OK
font-misc-misc            1.1.1-1              OK
fontconfig                2.8.0-2              OK
gamin                     0.1.10-11            OK
gawk                      4.0.0-1              OK
gettext                   0.18.1.1-2           OK
git                       1.7.9-1              OK
git-svn                   1.7.9-1              OK
gnome-icon-theme          3.2.1.2-1            OK
grep                      2.6.3-1              OK
groff                     1.20.1-2             OK
gsettings-desktop-schemas 3.2.0-1              OK
gzip                      1.4-1                OK
hicolor-icon-theme        0.12-1               OK
ipc-utils                 1.0-1                OK
less                      444-1                OK
libapr1                   1.4.6-1              OK
libaprutil1               1.4.1-1              OK
libatk1.0_0               2.2.0-1              OK
libattr1                  2.4.43-1             OK
libaudio2                 1.9.3-1              OK
libblkid1                 2.21-1               OK
libbz2_1                  1.0.6-2              OK
libcairo2                 1.10.2-1             OK
libcompface0              1.5.2-11             OK
libcroco0.6_3             0.6.4-1              OK
libcurl4                  7.24.0-1             OK
libdatrie1                0.2.4-1              OK
libdb4.5                  4.5.20.2-3           OK
libdbus1_3                1.4.16-1             OK
libedit0                  20090923-1           OK
libexpat1                 2.0.1-1              OK
libfam0                   0.1.10-11            OK
libffi4                   4.5.3-3              OK
libfontconfig1            2.8.0-2              OK
libfontenc1               1.1.0-1              OK
libfreetype6              2.4.7-1              OK
libgcc1                   4.5.3-3              OK
libgcrypt11               1.4.6-1              OK
libgdbm4                  1.8.3-20             OK
libgdk_pixbuf2.0_0        2.24.1-1             OK
libgif4                   4.1.6-10             OK
libglapi0                 7.11.2-1             OK
libglib2.0_0              2.30.2-1             OK
libgmp3                   4.3.2-1              OK
libgpg-error0             1.10-1               OK
libgtk2.0_0               2.24.10-1            OK
libICE6                   1.0.7-1              OK
libiconv2                 1.14-2               OK
libidn11                  1.22-1               OK
libintl8                  0.18.1.1-2           OK
libjasper1                1.900.1-12           OK
libjbig2                  2.0-11               OK
libjpeg62                 6b-21                OK
libjpeg7                  7-10                 OK
libjpeg8                  8b-1                 OK
libllvm3.0                3.0-1                OK
liblzma5                  5.0.2_20110517-1     OK
libncurses10              5.7-18               OK
libncurses8               5.5-10               OK
libncursesw10             5.7-18               OK
libneon27                 0.29.6-1             OK
libopenldap2_3_0          2.3.43-2             OK
libopenssl098             0.9.8t-1             OK
libpango1.0_0             1.29.4-2             OK
libpcre0                  8.21-2               OK
libpixman1_0              0.22.2-1             OK
libpng12                  1.2.46-1             OK
libpng14                  1.4.8-1              OK
libpopt0                  1.6.4-4              OK
libpq5                    8.2.11-1             OK
libproxy1                 0.4.7-1              OK
libreadline7              6.1.2-2              OK
librsvg2_2                2.34.2-1             OK
libsasl2                  2.1.23-1             OK
libserf0_1                0.7.1-1              OK
libserf1_0                1.0.0-1              OK
libsigsegv2               2.10-1               OK
libSM6                    1.2.0-1              OK
libsqlite3_0              3.7.3-1              OK
libssh2_1                 1.3.0-1              OK
libssp0                   4.5.3-3              OK
libstdc++6                4.5.3-3              OK
libthai0                  0.1.15-1             OK
libtiff5                  3.9.4-1              OK
libuuid1                  2.21-1               OK
libwrap0                  7.6-21               OK
libX11_6                  1.4.4-1              OK
libXau6                   1.0.6-1              OK
libXaw3d7                 1.5D-10              OK
libXaw7                   1.0.9-1              OK
libxcb-render0            1.7-2                OK
libxcb-shm0               1.7-2                OK
libxcb1                   1.7-2                OK
libXcomposite1            0.4.3-1              OK
libXcursor1               1.1.12-1             OK
libXdamage1               1.1.3-1              OK
libXdmcp6                 1.1.0-1              OK
libXext6                  1.3.0-1              OK
libXfixes3                5.0-1                OK
libXft2                   2.2.0-1              OK
libXi6                    1.4.5-1              OK
libXinerama1              1.1.1-1              OK
libxkbfile1               1.0.7-1              OK
libxml2                   2.7.8-3              OK
libXmu6                   1.1.0-1              OK
libXmuu1                  1.1.0-1              OK
libXpm4                   3.5.9-1              OK
libXrandr2                1.3.2-1              OK
libXrender1               0.9.6-1              OK
libXt6                    1.1.1-1              OK
login                     1.10-10              OK
luit                      1.1.0-1              OK
man                       1.6g-1               OK
mintty                    1.0.3-1              OK
mkfontdir                 1.0.6-1              OK
mkfontscale               1.0.9-1              OK
mlcscope                  14.1.8-2             OK
openssh                   5.9p1-1              OK
perl                      5.10.1-5             OK
perl-Error                0.17016-1            OK
rebase                    4.0.1-1              OK
rsync                     3.0.9-1              OK
run                       1.1.13-1             OK
sed                       4.2.1-1              OK
shared-mime-info          1.0-1                OK
subversion                1.7.4-1              OK
subversion-perl           1.7.4-1              OK
tar                       1.25-1               OK
terminfo                  5.7_20091114-14      OK
terminfo0                 5.5_20061104-12      OK
texinfo                   4.13-4               OK
tzcode                    2010j-1              OK
unzip                     6.0-10               OK
util-linux                2.21-1               OK
which                     2.20-2               OK
xauth                     1.0.6-1              OK
xcursor-themes            1.0.3-1              OK
xemacs                    21.4.22-1            OK
xemacs-emacs-common       21.4.22-1            OK
xemacs-tags               21.4.22-1            OK
xinit                     1.3.2-1              OK
xkbcomp                   1.2.3-1              OK
xkeyboard-config          2.5.1-1              OK
xmodmap                   1.0.5-1              OK
xorg-server               1.11.4-5             OK
xrdb                      1.0.9-1              OK
xterm                     278-1                OK
xz                        5.0.2_20110517-1     OK
zlib                      1.2.5-1              OK
zlib-devel                1.2.5-1              OK
zlib0                     1.2.5-1              OK


cygcheck -c from working 1.7.11-1 system
===============================


Cygwin Package Information
Package                   Version              Status
_autorebase               000079-1             OK
_update-info-dir          01052-1              OK
alternatives              1.3.30c-10           OK
base-cygwin               3.1-1                OK
base-files                4.1-1                OK
bash                      4.1.10-4             OK
bzip2                     1.0.6-2              OK
ca-certificates           1.81-1               OK
coreutils                 8.15-1               OK
cpio                      2.11-2               OK
crypt                     1.2-1                OK
csih                      0.9.6-1              OK
cvs                       1.12.13-10           OK
cvsps                     2.2b1-1              OK
cygrunsrv                 1.40-2               OK
cygutils                  1.4.10-2             OK
cygwin                    1.7.15-1             OK
cygwin-doc                1.7-1                OK
dash                      0.5.7-1              OK
dbus                      1.4.20-1             OK
diffutils                 3.2-1                OK
dos2unix                  6.0-1                OK
dri-drivers               7.11.2-1             OK
editrights                1.01-2               OK
emacs                     23.4-2               OK
emacs-X11                 23.4-2               OK
file                      5.11-1               OK
findutils                 4.5.9-2              OK
font-adobe-dpi75          1.0.2-1              OK
font-alias                1.0.3-1              OK
font-encodings            1.0.4-1              OK
font-misc-misc            1.1.1-1              OK
fontconfig                2.8.0-2              OK
gamin                     0.1.10-11            OK
gawk                      4.0.1-1              OK
gettext                   0.18.1.1-2           OK
git                       1.7.9-1              OK
git-svn                   1.7.9-1              OK
gnome-icon-theme          3.4.0-1              OK
grep                      2.6.3-1              OK
groff                     1.21-2               OK
gsettings-desktop-schemas 3.4.2-1              OK
gzip                      1.4-1                OK
hicolor-icon-theme        0.12-1               OK
ipc-utils                 1.0-1                OK
less                      444-1                OK
libapr1                   1.4.6-1              OK
libaprutil1               1.4.1-1              OK
libasn1_8                 1.5.2-2              OK
libatk1.0_0               2.4.0-1              OK
libattr1                  2.4.46-1             OK
libaudio2                 1.9.3-1              OK
libautotrace3             0.31.1-11            OK
libblkid1                 2.21-1               OK
libbz2_1                  1.0.6-2              OK
libcairo2                 1.12.2-1             OK
libcom_err2               1.41.14-1            OK
libcompface0              1.5.2-11             OK
libcroco0.6_3             0.6.5-1              OK
libcurl4                  7.24.0-3             OK
libdatrie1                0.2.4-1              OK
libdb4.5                  4.5.20.2-3           OK
libdbus1_3                1.4.20-1             OK
libedit0                  20120311-1           OK
libEMF1                   1.0.4-1              OK
libexpat1                 2.1.0-1              OK
libfam0                   0.1.10-11            OK
libffi4                   4.5.3-3              OK
libfftw3_3                3.3.2-1              OK
libfontconfig1            2.8.0-2              OK
libfontenc1               1.1.0-1              OK
libfpx1                   1.3.1-1              OK
libfreetype6              2.4.9-2              OK
libgcc1                   4.5.3-3              OK
libgcrypt11               1.4.6-1              OK
libgd2                    2.0.36RC1-12         OK
libgdbm4                  1.8.3-20             OK
libgdk_pixbuf2.0_0        2.26.1-1             OK
libgif4                   4.1.6-10             OK
libglapi0                 7.11.2-1             OK
libglib2.0_0              2.32.3-2             OK
libgmp3                   4.3.2-1              OK
libgnutls26               2.12.14-1            OK
libgomp1                  4.5.3-3              OK
libgpg-error0             1.10-1               OK
libgs9                    9.04-1               OK
libgssapi3                1.5.2-2              OK
libgtk2.0_0               2.24.10-2            OK
libheimbase1              1.5.2-2              OK
libheimntlm0              1.5.2-2              OK
libhx509_5                1.5.2-2              OK
libICE6                   1.0.7-1              OK
libiconv2                 1.14-2               OK
libidn11                  1.22-1               OK
libintl8                  0.18.1.1-2           OK
libjasper1                1.900.1-12           OK
libjbig2                  2.0-11               OK
libjpeg62                 6b-21                OK
libjpeg7                  7-10                 OK
libjpeg8                  8b-1                 OK
libkafs0                  1.5.2-2              OK
libkrb5_26                1.5.2-2              OK
liblcms2_2                2.2-1                OK
libllvm3.0                3.0-1                OK
libltdl7                  2.4-1                OK
liblzma5                  5.0.2_20110517-1     OK
liblzo2_2                 2.06-1               OK
libMagickCore5            6.7.6.3-1            OK
libming1                  0.4.4-1              OK
libncurses10              5.7-18               OK
libncurses8               5.5-10               OK
libncursesw10             5.7-18               OK
libneon27                 0.29.6-2             OK
libopenldap2_3_0          2.3.43-3             OK
libopenssl098             0.9.8x-1             OK
libopenssl100             1.0.1c-1             OK
libpango1.0_0             1.30.1-1             OK
libpaper1                 1.1.24-1             OK
libpcre0                  8.21-2               OK
libpcre1                  8.30-1               OK
libpixman1_0              0.24.4-1             OK
libplotter2               2.6-2                OK
libpng12                  1.2.46-1             OK
libpng14                  1.4.8-1              OK
libpopt0                  1.6.4-4              OK
libpq5                    8.2.11-1             OK
libproxy1                 0.4.7-1              OK
libpstoedit0              3.60-2               OK
libreadline7              6.1.2-3              OK
libroken18                1.5.2-2              OK
librsvg2_2                2.36.1-1             OK
libsasl2                  2.1.25-1             OK
libserf0_1                0.7.1-2              OK
libserf1_0                1.0.3-1              OK
libsigsegv2               2.10-1               OK
libSM6                    1.2.0-1              OK
libsqlite3_0              3.7.12.1-1           OK
libssh2_1                 1.4.2-1              OK
libssp0                   4.5.3-3              OK
libstdc++6                4.5.3-3              OK
libtasn1_3                2.12-1               OK
libthai0                  0.1.15-1             OK
libtiff5                  3.9.4-1              OK
libuuid1                  2.21-1               OK
libwind0                  1.5.2-2              OK
libwrap0                  7.6-21               OK
libX11_6                  1.4.4-1              OK
libXau6                   1.0.6-1              OK
libXaw3d7                 1.5D-10              OK
libXaw7                   1.0.9-1              OK
libxcb-render0            1.7-2                OK
libxcb-shm0               1.7-2                OK
libxcb1                   1.7-2                OK
libXcomposite1            0.4.3-1              OK
libXcursor1               1.1.12-1             OK
libXdamage1               1.1.3-1              OK
libXdmcp6                 1.1.0-1              OK
libXext6                  1.3.0-1              OK
libXfixes3                5.0-1                OK
libXft2                   2.2.0-1              OK
libXi6                    1.4.5-1              OK
libXinerama1              1.1.1-1              OK
libxkbfile1               1.0.7-1              OK
libxml2                   2.7.8-3              OK
libXmu6                   1.1.0-1              OK
libXmuu1                  1.1.0-1              OK
libXpm4                   3.5.9-1              OK
libXrandr2                1.3.2-1              OK
libXrender1               0.9.6-1              OK
libXt6                    1.1.1-1              OK
login                     1.10-10              OK
luit                      1.1.0-1              OK
man                       1.6g-1               OK
mintty                    1.1.1-1              OK
mkfontdir                 1.0.6-1              OK
mkfontscale               1.0.9-1              OK
mlcscope                  14.1.8-2             OK
openssh                   6.0p1-2              OK
perl                      5.10.1-5             OK
perl-Error                0.17016-1            OK
rebase                    4.2.0-1              OK
rsync                     3.0.9-1              OK
run                       1.1.13-1             OK
sed                       4.2.1-2              OK
shared-mime-info          1.0-1                OK
subversion                1.7.5-1              OK
subversion-perl           1.7.5-1              OK
tar                       1.25-1               OK
terminfo                  5.7_20091114-14      OK
terminfo0                 5.5_20061104-12      OK
texinfo                   4.13-4               OK
tzcode                    2012b-1              OK
unzip                     6.0-10               OK
util-linux                2.21-1               OK
which                     2.20-2               OK
xauth                     1.0.6-1              OK
xcursor-themes            1.0.3-1              OK
xemacs                    21.4.22-1            OK
xemacs-emacs-common       21.4.22-1            OK
xemacs-tags               21.4.22-1            OK
xf86-video-dummy          0.3.5-1              OK
xf86-video-nested         0.1.0-1              OK
xinit                     1.3.2-1              OK
xkbcomp                   1.2.3-1              OK
xkeyboard-config          2.5.1-1              OK
xmodmap                   1.0.5-1              OK
xorg-server               1.12.1-2             OK
xorg-server-common        1.12.1-2             OK
xrdb                      1.0.9-1              OK
xterm                     279-1                OK
xz                        5.0.2_20110517-1     OK
zlib                      1.2.7-1              OK
zlib-devel                1.2.7-1              OK
zlib0                     1.2.7-1              OK

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