winsup/cygwin/scripts/mkvers.sh

   1 #!/bin/sh
   2 # mkvers.sh - Make version information for cygwin DLL
   3 #
   4 # This file is part of Cygwin.
   5 #
   6 # This software is a copyrighted work licensed under the terms of the
   7 # Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
   8 # details.
   9
  10 exec 9> version.cc
  11
  12 #
  13 # Arg 1 is the name of the version include file
  14 #
  15 incfile="$1"; shift
  16 rcfile="$1"; shift
  17 windres="$1"; shift
  18 iflags=
  19 # Find header file locations
  20 while [ -n "$*" ]; do
  21   case "$1" in
  22   -I*)
  23     iflags="$iflags $1"
  24     ;;
  25   -idirafter)
  26     shift
  27     iflags="$iflags -I$1"
  28       ;;
  29   esac
  30   shift
  31 done
  32
  33 [ -r $incfile ] || {
  34   echo "**** Couldn't open file '$incfile'.  Aborting."
  35 }
  36
  37 parse_preproc_flags() {
  38   # Since we're manually specifying the preprocessor, pass the default flags
  39   # normally defined.
  40   ccflags="--preprocessor=$1 --preprocessor-arg=-E \
  41            --preprocessor-arg=-xc-header --define=RC_INVOKED "
  42   shift
  43   while [ -n "$*" ]; do
  44     case "$1" in
  45     # We need to be able to find the just-built cc1 binary.
  46     -B*)
  47       ccflags="$ccflags --preprocessor-arg=$1"
  48       ;;
  49     esac
  50     shift
  51   done
  52 }
  53
  54 parse_preproc_flags $CC
  55
  56
  57
  58 #
  59 # Load the current date (or SOURCE_DATE_EPOCH) so we can work on individual fields
  60 #
  61 set -$- $(date ${SOURCE_DATE_EPOCH:+-d @}${SOURCE_DATE_EPOCH} -u +"%m %d %Y %H:%M")
  62 m=$1 d=$2 y=$3 hhmm=$4
  63 #
  64 # Set date into YYYY-MM-DD HH:MM:SS format
  65 #
  66 builddate="$y-$m-$d $hhmm"
  67 echo "$builddate"
  68
  69 set -$- ''
  70
  71 #
  72 # Output the initial part of version.cc
  73 #
  74 cat <<EOF 1>&9
  75 #include "config.h"
  76 #include "cygwin_version.h"
  77
  78 #define strval(x) #x
  79 #define str(x) strval(x)
  80 #define shared_data_version str(CYGWIN_VERSION_SHARED_DATA)
  81
  82 const char *cygwin_version_strings =
  83   "BEGIN_CYGWIN_VERSION_INFO\n"
  84 EOF
  85
  86 #
  87 # Split version file into dir and filename components
  88 #
  89 dir=$(dirname $incfile)
  90 fn=$(basename $incfile)
  91
  92 #
  93 # Look in the include file CVS directory for a CVS Tag file.  This file,
  94 # if it exists, will contain the name of the sticky tag associated with
  95 # the current build.  Save that for output later.
  96 #
  97 cvs_tag="$(sed -e '/dontuse/d' -e 's%^.\(.*\)%\1%' $dir/CVS/Tag 2>/dev/null)"
  98
  99 wv_cvs_tag="$cvs_tag"
 100 [ -n "$cvs_tag" ] && cvs_tag=" CVS tag"'
 101 '"$cvs_tag"
 102
 103 #
 104 # Look in the source directory containing the include/cygwin/version.h
 105 # and set dir accordingly.
 106 dir=$(echo $dir | sed -e 's%/include/cygwin.*$%%' -e 's%include/cygwin.*$%.%')
 107
 108 #
 109 # Scan the version.h file for strings that begin with CYGWIN_INFO or
 110 # CYGWIN_VERSION.  Perform crude parsing on the lines to get the values
 111 # associated with these values and then pipe it into a while loop which
 112 # outputs these values in C palatable format for inclusion in the DLL
 113 # with a '%% ' identifier that will introduce "interesting" strings.
 114 # These strings are strictly for use by a user to scan the DLL for
 115 # interesting information.
 116 #
 117 (
 118   sed -n -e 's%#define CYGWIN_INFO_\([A-Z_]*\)[         ][      ]*\([a-zA-Z0-9"][^/]*\).*%_\1\
 119 \2%p' -e 's%#define CYGWIN_VERSION_\([A-Z_]*\)[         ][      ]*\([a-zA-Z0-9"][^/]*\).*%_\1\
 120 \2%p' $incfile | sed -e 's/["\\]//g'  -e '/^_/y/ABCDEFGHIJKLMNOPQRSTUVWXYZ_/abcdefghijklmnopqrstuvwxyz /';
 121   echo ' build date'; echo $build_date;
 122   [ -n "$cvs_tag" ] && echo "$cvs_tag";
 123 ) | while read var; do
 124     read val
 125 cat <<EOF
 126   "%%% Cygwin $var: $val\n"
 127 EOF
 128 done | tee /tmp/mkvers.$$ 1>&9
 129
 130 trap "rm -f /tmp/mkvers.$$" 0 1 2 15
 131
 132 #
 133 # Finally, output the shared ID and set up the cygwin_version structure
 134 # for use by Cygwin itself.
 135 #
 136 cat <<EOF 1>&9
 137 #ifdef DEBUGGING
 138   "%%% Cygwin shared id: " CYGWIN_VERSION_DLL_IDENTIFIER "S" shared_data_version "-$builddate\n"
 139 #else
 140   "%%% Cygwin shared id: " CYGWIN_VERSION_DLL_IDENTIFIER "S" shared_data_version "\n"
 141 #endif
 142   "END_CYGWIN_VERSION_INFO\n\0";
 143 cygwin_version_info cygwin_version =
 144 {
 145   CYGWIN_VERSION_API_MAJOR, CYGWIN_VERSION_API_MINOR,
 146   CYGWIN_VERSION_DLL_MAJOR, CYGWIN_VERSION_DLL_MINOR,
 147   CYGWIN_VERSION_SHARED_DATA,
 148   CYGWIN_VERSION_MOUNT_REGISTRY,
 149   "$builddate",
 150 #ifdef DEBUGGING
 151   CYGWIN_VERSION_DLL_IDENTIFIER "S" shared_data_version "-$builddate"
 152 #else
 153   CYGWIN_VERSION_DLL_IDENTIFIER "S" shared_data_version
 154 #endif
 155 };
 156 EOF
 157
 158 #
 159 # Generate winver.o using cygwin/version.h information.
 160 # Turn the cygwin major number from some large number to something like 1.1.0.
 161 #
 162 eval $(sed -n 's/^.*dll \(m[ai][jn]or\): \([0-9]*\)[^0-9]*$/\1=\2/p' /tmp/mkvers.$$)
 163 cygverhigh=$(expr $major / 1000)
 164 cygverlow=$(expr $major % 1000)
 165 cygwin_ver="$cygverhigh.$cygverlow.$minor"
 166 if [ -n "$cvs_tag" ]
 167 then
 168   cvs_tag="$(echo $wv_cvs_tag | sed -e 's/-branch.*//')"
 169   cygwin_ver="$cygwin_ver-$cvs_tag"
 170 fi
 171
 172 echo "Version $cygwin_ver"
 173 set -$- $builddate
 174 $windres $iflags $ccflags \
 175          --define CYGWIN_BUILD_DATE="$1" \
 176          --define CYGWIN_BUILD_TIME="$2" \
 177          --define CYGWIN_BUILD_YEAR=$y \
 178          --define CYGWIN_VERSION='"'"$cygwin_ver"'"' \
 179          $rcfile winver.o