Fixed sporadic compilation error due to OS_LINUX not being set.

src/tools/pwre/src/os_cygwin/pwre_configure.sh

@@ -224,8 +224,8 @@ pwre_create_makedir()
 #pwre_hw="hw_x86"
 
 cfile="$pwre_broot/pwre_${pwre_hw:3}_${pwre_os:3}.cnf"
-dos=`eval echo ${pwre_os} | tr [:lower:] [:upper:]`
-dhw=`eval echo ${pwre_hw} | tr [:lower:] [:upper:]`
+dos=`eval echo ${pwre_os} | tr '[:lower:]' '[:upper:]'`
+dhw=`eval echo ${pwre_hw} | tr '[:lower:]' '[:upper:]'`
 conf_cc_define="-D$dos=1 -DOS_POSIX -D$dhw=1 -DOS=${pwre_os:3} -DHW=${pwre_hw:3} -D_${dos:3}"
 conf_lib=""
 conf_libwb=""

src/tools/pwre/src/os_freebsd/pwre_configure.sh

@@ -197,8 +197,8 @@ pwre_create_makedir()
 #pwre_hw="hw_x86"
 
 cfile="$pwre_broot/pwre_${pwre_hw:3}_${pwre_os:3}.cnf"
-dos=`eval echo ${pwre_os} | tr [:lower:] [:upper:]`
-dhw=`eval echo ${pwre_hw} | tr [:lower:] [:upper:]`
+dos=`eval echo ${pwre_os} | tr '[:lower:]' '[:upper:]'`
+dhw=`eval echo ${pwre_hw} | tr '[:lower:]' '[:upper:]'`
 conf_cc_define="-D$dos=1 -DOS_POSIX -D$dhw=1 -DOS=${pwre_os:3} -DHW=${pwre_hw:3} -D_${dos:3}"
 conf_lib=""
 conf_libgtk="" 

src/tools/pwre/src/os_linux/pwre_configure.sh

@@ -266,8 +266,8 @@ pwre_create_makedir()
 
 let ebuild=0
 cfile="$pwre_broot/pwre_${pwre_hw:3}_${pwre_os:3}.cnf"
-dos=`eval echo ${pwre_os} | tr [:lower:] [:upper:]`
-dhw=`eval echo ${pwre_hw} | tr [:lower:] [:upper:]`
+dos=`eval echo ${pwre_os} | tr '[:lower:]' '[:upper:]'`
+dhw=`eval echo ${pwre_hw} | tr '[:lower:]' '[:upper:]'`
 conf_cc_define="-D$dos=1 -DOS_POSIX -D$dhw=1 -DOS=${pwre_os:3} -DHW=${pwre_hw:3} -D_${dos:3}"
 conf_lib=""
 conf_libwb=""

src/tools/pwre/src/os_macos/pwre_configure.sh

@@ -196,8 +196,8 @@ pwre_create_makedir()
 #pwre_hw="hw_x86"
 
 cfile="$pwre_broot/pwre_${pwre_hw:3}_${pwre_os:3}.cnf"
-dos=`eval echo ${pwre_os} | tr [:lower:] [:upper:]`
-dhw=`eval echo ${pwre_hw} | tr [:lower:] [:upper:]`
+dos=`eval echo ${pwre_os} | tr '[:lower:]' '[:upper:]'`
+dhw=`eval echo ${pwre_hw} | tr '[:lower:]' '[:upper:]'`
 conf_cc_define="-D$dos=1 -DOS_POSIX -D$dhw=1 -DOS=${pwre_os:3} -DHW=${pwre_hw:3} -D_${dos:3}"
 conf_lib=""
 conf_libgtk="" 

src/tools/pwre/src/os_mingw/pwre_configure.sh

@@ -195,8 +195,8 @@ pwre_create_makedir()
 #pwre_hw="hw_x86"
 
 cfile="$pwre_broot/pwre_${pwre_hw:3}_${pwre_os:3}.cnf"
-dos=`eval echo ${pwre_os} | tr [:lower:] [:upper:]`
-dhw=`eval echo ${pwre_hw} | tr [:lower:] [:upper:]`
+dos=`eval echo ${pwre_os} | tr '[:lower:]' '[:upper:]'`
+dhw=`eval echo ${pwre_hw} | tr '[:lower:]' '[:upper:]'`
 conf_cc_define="-D$dos=1 -DOS_POSIX -D$dhw=1 -DOS=${pwre_os:3} -DHW=${pwre_hw:3} -D_${dos:3}"
 conf_lib=""
 conf_libgtk="" 

src/tools/pwre/src/os_openbsd/pwre_configure.sh

@@ -198,8 +198,8 @@ pwre_create_makedir()
 #pwre_hw="hw_x86"
 
 cfile="$pwre_broot/pwre_${pwre_hw:3}_${pwre_os:3}.cnf"
-dos=`eval echo ${pwre_os} | tr [:lower:] [:upper:]`
-dhw=`eval echo ${pwre_hw} | tr [:lower:] [:upper:]`
+dos=`eval echo ${pwre_os} | tr '[:lower:]' '[:upper:]'`
+dhw=`eval echo ${pwre_hw} | tr '[:lower:]' '[:upper:]'`
 conf_cc_define="-D$dos=1 -DOS_POSIX -D$dhw=1 -DOS=${pwre_os:3} -DHW=${pwre_hw:3} -D_${dos:3}"
 conf_lib=""
 conf_libgtk="" 

src/tools/pwre/src/os_templ/pwre_configure.sh

@@ -178,8 +178,8 @@ pwre_os="os_linux"
 pwre_hw="hw_x86"
 
 cfile="$pwre_broot/pwre_${pwre_hw:3}_${pwre_os:3}.cnf"
-dos=`eval echo ${pwre_os} | tr [:lower:] [:upper:]`
-dhw=`eval echo ${pwre_hw} | tr [:lower:] [:upper:]`
+dos=`eval echo ${pwre_os} | tr '[:lower:]' '[:upper:]'`
+dhw=`eval echo ${pwre_hw} | tr '[:lower:]' '[:upper:]'`
 conf_cc_define="-D$dos=1 -D$dhw=1 -DOS=${pwre_os:3} -DHW=${pwre_hw:3} -D_${dos:3}"
 conf_lib=""
 conf_libgtk=""