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   1 # gpgme.m4 - autoconf macro to detect GPGME.
   2 # Copyright (C) 2002, 2003, 2004, 2014 g10 Code GmbH
   3 #
   4 # This file is free software; as a special exception the author gives
   5 # unlimited permission to copy and/or distribute it, with or without
   6 # modifications, as long as this notice is preserved.
   7 #
   8 # This file is distributed in the hope that it will be useful, but
   9 # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
  10 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  11 #
  12 # Last-changed: 2014-10-02
  13
  14
  15 AC_DEFUN([_AM_PATH_GPGME_CONFIG],
  16 [ AC_ARG_WITH(gpgme-prefix,
  17             AC_HELP_STRING([--with-gpgme-prefix=PFX],
  18                            [prefix where GPGME is installed (optional)]),
  19      gpgme_config_prefix="$withval", gpgme_config_prefix="")
  20   if test x"${GPGME_CONFIG}" = x ; then
  21      if test x"${gpgme_config_prefix}" != x ; then
  22         GPGME_CONFIG="${gpgme_config_prefix}/bin/gpgme-config"
  23      else
  24        case "${SYSROOT}" in
  25          /*)
  26            if test -x "${SYSROOT}/bin/gpgme-config" ; then
  27              GPGME_CONFIG="${SYSROOT}/bin/gpgme-config"
  28            fi
  29            ;;
  30          '')
  31            ;;
  32           *)
  33            AC_MSG_WARN([Ignoring \$SYSROOT as it is not an absolute path.])
  34            ;;
  35        esac
  36      fi
  37   fi
  38
  39   AC_PATH_PROG(GPGME_CONFIG, gpgme-config, no)
  40
  41   if test "$GPGME_CONFIG" != "no" ; then
  42     gpgme_version=`$GPGME_CONFIG --version`
  43   fi
  44   gpgme_version_major=`echo $gpgme_version | \
  45                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
  46   gpgme_version_minor=`echo $gpgme_version | \
  47                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
  48   gpgme_version_micro=`echo $gpgme_version | \
  49                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
  50 ])
  51
  52
  53 AC_DEFUN([_AM_PATH_GPGME_CONFIG_HOST_CHECK],
  54 [
  55     gpgme_config_host=`$GPGME_CONFIG --host 2>/dev/null || echo none`
  56     if test x"$gpgme_config_host" != xnone ; then
  57       if test x"$gpgme_config_host" != x"$host" ; then
  58   AC_MSG_WARN([[
  59 ***
  60 *** The config script $GPGME_CONFIG was
  61 *** built for $gpgme_config_host and thus may not match the
  62 *** used host $host.
  63 *** You may want to use the configure option --with-gpgme-prefix
  64 *** to specify a matching config script or use \$SYSROOT.
  65 ***]])
  66         gpg_config_script_warn="$gpg_config_script_warn gpgme"
  67       fi
  68     fi
  69 ])
  70
  71
  72 dnl AM_PATH_GPGME([MINIMUM-VERSION,
  73 dnl               [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
  74 dnl Test for libgpgme and define GPGME_CFLAGS and GPGME_LIBS.
  75 dnl
  76 dnl If a prefix option is not used, the config script is first
  77 dnl searched in $SYSROOT/bin and then along $PATH.  If the used
  78 dnl config script does not match the host specification the script
  79 dnl is added to the gpg_config_script_warn variable.
  80 dnl
  81 AC_DEFUN([AM_PATH_GPGME],
  82 [ AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl
  83   tmp=ifelse([$1], ,1:0.4.2,$1)
  84   if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
  85      req_gpgme_api=`echo "$tmp"     | sed 's/\(.*\):\(.*\)/\1/'`
  86      min_gpgme_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'`
  87   else
  88      req_gpgme_api=0
  89      min_gpgme_version="$tmp"
  90   fi
  91
  92   AC_MSG_CHECKING(for GPGME - version >= $min_gpgme_version)
  93   ok=no
  94   if test "$GPGME_CONFIG" != "no" ; then
  95     req_major=`echo $min_gpgme_version | \
  96                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
  97     req_minor=`echo $min_gpgme_version | \
  98                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
  99     req_micro=`echo $min_gpgme_version | \
 100                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 101     if test "$gpgme_version_major" -gt "$req_major"; then
 102         ok=yes
 103     else
 104         if test "$gpgme_version_major" -eq "$req_major"; then
 105             if test "$gpgme_version_minor" -gt "$req_minor"; then
 106                ok=yes
 107             else
 108                if test "$gpgme_version_minor" -eq "$req_minor"; then
 109                    if test "$gpgme_version_micro" -ge "$req_micro"; then
 110                      ok=yes
 111                    fi
 112                fi
 113             fi
 114         fi
 115     fi
 116   fi
 117   if test $ok = yes; then
 118      # If we have a recent GPGME, we should also check that the
 119      # API is compatible.
 120      if test "$req_gpgme_api" -gt 0 ; then
 121         tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0`
 122         if test "$tmp" -gt 0 ; then
 123            if test "$req_gpgme_api" -ne "$tmp" ; then
 124              ok=no
 125            fi
 126         fi
 127      fi
 128   fi
 129   if test $ok = yes; then
 130     GPGME_CFLAGS=`$GPGME_CONFIG --cflags`
 131     GPGME_LIBS=`$GPGME_CONFIG --libs`
 132     AC_MSG_RESULT(yes)
 133     ifelse([$2], , :, [$2])
 134     _AM_PATH_GPGME_CONFIG_HOST_CHECK
 135   else
 136     GPGME_CFLAGS=""
 137     GPGME_LIBS=""
 138     AC_MSG_RESULT(no)
 139     ifelse([$3], , :, [$3])
 140   fi
 141   AC_SUBST(GPGME_CFLAGS)
 142   AC_SUBST(GPGME_LIBS)
 143 ])
 144
 145 dnl AM_PATH_GPGME_PTHREAD([MINIMUM-VERSION,
 146 dnl                       [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
 147 dnl Test for libgpgme and define GPGME_PTHREAD_CFLAGS
 148 dnl  and GPGME_PTHREAD_LIBS.
 149 dnl
 150 AC_DEFUN([AM_PATH_GPGME_PTHREAD],
 151 [ AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl
 152   tmp=ifelse([$1], ,1:0.4.2,$1)
 153   if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
 154      req_gpgme_api=`echo "$tmp"     | sed 's/\(.*\):\(.*\)/\1/'`
 155      min_gpgme_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'`
 156   else
 157      req_gpgme_api=0
 158      min_gpgme_version="$tmp"
 159   fi
 160
 161   AC_MSG_CHECKING(for GPGME pthread - version >= $min_gpgme_version)
 162   ok=no
 163   if test "$GPGME_CONFIG" != "no" ; then
 164     if `$GPGME_CONFIG --thread=pthread 2> /dev/null` ; then
 165       req_major=`echo $min_gpgme_version | \
 166                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 167       req_minor=`echo $min_gpgme_version | \
 168                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 169       req_micro=`echo $min_gpgme_version | \
 170                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 171       if test "$gpgme_version_major" -gt "$req_major"; then
 172         ok=yes
 173       else
 174         if test "$gpgme_version_major" -eq "$req_major"; then
 175           if test "$gpgme_version_minor" -gt "$req_minor"; then
 176             ok=yes
 177           else
 178             if test "$gpgme_version_minor" -eq "$req_minor"; then
 179               if test "$gpgme_version_micro" -ge "$req_micro"; then
 180                 ok=yes
 181               fi
 182             fi
 183           fi
 184         fi
 185       fi
 186     fi
 187   fi
 188   if test $ok = yes; then
 189      # If we have a recent GPGME, we should also check that the
 190      # API is compatible.
 191      if test "$req_gpgme_api" -gt 0 ; then
 192         tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0`
 193         if test "$tmp" -gt 0 ; then
 194            if test "$req_gpgme_api" -ne "$tmp" ; then
 195              ok=no
 196            fi
 197         fi
 198      fi
 199   fi
 200   if test $ok = yes; then
 201     GPGME_PTHREAD_CFLAGS=`$GPGME_CONFIG --thread=pthread --cflags`
 202     GPGME_PTHREAD_LIBS=`$GPGME_CONFIG --thread=pthread --libs`
 203     AC_MSG_RESULT(yes)
 204     ifelse([$2], , :, [$2])
 205     _AM_PATH_GPGME_CONFIG_HOST_CHECK
 206   else
 207     GPGME_PTHREAD_CFLAGS=""
 208     GPGME_PTHREAD_LIBS=""
 209     AC_MSG_RESULT(no)
 210     ifelse([$3], , :, [$3])
 211   fi
 212   AC_SUBST(GPGME_PTHREAD_CFLAGS)
 213   AC_SUBST(GPGME_PTHREAD_LIBS)
 214 ])
 215
 216
 217 dnl AM_PATH_GPGME_GLIB([MINIMUM-VERSION,
 218 dnl               [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
 219 dnl Test for libgpgme-glib and define GPGME_GLIB_CFLAGS and GPGME_GLIB_LIBS.
 220 dnl
 221 AC_DEFUN([AM_PATH_GPGME_GLIB],
 222 [ AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl
 223   tmp=ifelse([$1], ,1:0.4.2,$1)
 224   if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
 225      req_gpgme_api=`echo "$tmp"     | sed 's/\(.*\):\(.*\)/\1/'`
 226      min_gpgme_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'`
 227   else
 228      req_gpgme_api=0
 229      min_gpgme_version="$tmp"
 230   fi
 231
 232   AC_MSG_CHECKING(for GPGME - version >= $min_gpgme_version)
 233   ok=no
 234   if test "$GPGME_CONFIG" != "no" ; then
 235     req_major=`echo $min_gpgme_version | \
 236                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 237     req_minor=`echo $min_gpgme_version | \
 238                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 239     req_micro=`echo $min_gpgme_version | \
 240                sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 241     if test "$gpgme_version_major" -gt "$req_major"; then
 242         ok=yes
 243     else
 244         if test "$gpgme_version_major" -eq "$req_major"; then
 245             if test "$gpgme_version_minor" -gt "$req_minor"; then
 246                ok=yes
 247             else
 248                if test "$gpgme_version_minor" -eq "$req_minor"; then
 249                    if test "$gpgme_version_micro" -ge "$req_micro"; then
 250                      ok=yes
 251                    fi
 252                fi
 253             fi
 254         fi
 255     fi
 256   fi
 257   if test $ok = yes; then
 258      # If we have a recent GPGME, we should also check that the
 259      # API is compatible.
 260      if test "$req_gpgme_api" -gt 0 ; then
 261         tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0`
 262         if test "$tmp" -gt 0 ; then
 263            if test "$req_gpgme_api" -ne "$tmp" ; then
 264              ok=no
 265            fi
 266         fi
 267      fi
 268   fi
 269   if test $ok = yes; then
 270     GPGME_GLIB_CFLAGS=`$GPGME_CONFIG --glib --cflags`
 271     GPGME_GLIB_LIBS=`$GPGME_CONFIG --glib --libs`
 272     AC_MSG_RESULT(yes)
 273     ifelse([$2], , :, [$2])
 274     _AM_PATH_GPGME_CONFIG_HOST_CHECK
 275   else
 276     GPGME_GLIB_CFLAGS=""
 277     GPGME_GLIB_LIBS=""
 278     AC_MSG_RESULT(no)
 279     ifelse([$3], , :, [$3])
 280   fi
 281   AC_SUBST(GPGME_GLIB_CFLAGS)
 282   AC_SUBST(GPGME_GLIB_LIBS)
 283 ])