# gpgme.m4 - autoconf macro to detect GPGME.

# Copyright (C) 2002, 2003, 2004, 2014 g10 Code GmbH

#

# This file is free software; as a special exception the author gives

# unlimited permission to copy and/or distribute it, with or without

# modifications, as long as this notice is preserved.

#

# This file is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the

# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

#

# Last-changed: 2014-10-02

AC_DEFUN([_AM_PATH_GPGME_CONFIG],

[ AC_ARG_WITH(gpgme-prefix,

            AC_HELP_STRING([--with-gpgme-prefix=PFX],

                           [prefix where GPGME is installed (optional)]),

     gpgme_config_prefix="$withval", gpgme_config_prefix="")

  if test x"${GPGME_CONFIG}" = x ; then

     if test x"${gpgme_config_prefix}" != x ; then

        GPGME_CONFIG="${gpgme_config_prefix}/bin/gpgme-config"

     else

       case "${SYSROOT}" in

         /*)

           if test -x "${SYSROOT}/bin/gpgme-config" ; then

             GPGME_CONFIG="${SYSROOT}/bin/gpgme-config"

           fi

           ;;

         '')

           ;;

          *)

           AC_MSG_WARN([Ignoring \$SYSROOT as it is not an absolute path.])

           ;;

       esac

     fi

  fi

  AC_PATH_PROG(GPGME_CONFIG, gpgme-config, no)

  if test "$GPGME_CONFIG" != "no" ; then

    gpgme_version=`$GPGME_CONFIG --version`

  fi

  gpgme_version_major=`echo $gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`

  gpgme_version_minor=`echo $gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`

  gpgme_version_micro=`echo $gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`

])

AC_DEFUN([_AM_PATH_GPGME_CONFIG_HOST_CHECK],

[

    gpgme_config_host=`$GPGME_CONFIG --host 2>/dev/null || echo none`

    if test x"$gpgme_config_host" != xnone ; then

      if test x"$gpgme_config_host" != x"$host" ; then

  AC_MSG_WARN([[

***

*** The config script $GPGME_CONFIG was

*** built for $gpgme_config_host and thus may not match the

*** used host $host.

*** You may want to use the configure option --with-gpgme-prefix

*** to specify a matching config script or use \$SYSROOT.

***]])

        gpg_config_script_warn="$gpg_config_script_warn gpgme"

      fi

    fi

])

dnl AM_PATH_GPGME([MINIMUM-VERSION,

dnl               [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])

dnl Test for libgpgme and define GPGME_CFLAGS and GPGME_LIBS.

dnl

dnl If a prefix option is not used, the config script is first

dnl searched in $SYSROOT/bin and then along $PATH.  If the used

dnl config script does not match the host specification the script

dnl is added to the gpg_config_script_warn variable.

dnl

AC_DEFUN([AM_PATH_GPGME],

[ AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl

  tmp=ifelse([$1], ,1:0.4.2,$1)

  if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then

     req_gpgme_api=`echo "$tmp"     | sed 's/\(.*\):\(.*\)/\1/'`

     min_gpgme_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'`

  else

     req_gpgme_api=0

     min_gpgme_version="$tmp"

  fi

  AC_MSG_CHECKING(for GPGME - version >= $min_gpgme_version)

  ok=no

  if test "$GPGME_CONFIG" != "no" ; then

    req_major=`echo $min_gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`

    req_minor=`echo $min_gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`

    req_micro=`echo $min_gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`

    if test "$gpgme_version_major" -gt "$req_major"; then

        ok=yes

    else

        if test "$gpgme_version_major" -eq "$req_major"; then

            if test "$gpgme_version_minor" -gt "$req_minor"; then

               ok=yes

            else

               if test "$gpgme_version_minor" -eq "$req_minor"; then

                   if test "$gpgme_version_micro" -ge "$req_micro"; then

                     ok=yes

                   fi

               fi

            fi

        fi

    fi

  fi

  if test $ok = yes; then

     # If we have a recent GPGME, we should also check that the

     # API is compatible.

     if test "$req_gpgme_api" -gt 0 ; then

        tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0`

        if test "$tmp" -gt 0 ; then

           if test "$req_gpgme_api" -ne "$tmp" ; then

             ok=no

           fi

        fi

     fi

  fi

  if test $ok = yes; then

    GPGME_CFLAGS=`$GPGME_CONFIG --cflags`

    GPGME_LIBS=`$GPGME_CONFIG --libs`

    AC_MSG_RESULT(yes)

    ifelse([$2], , :, [$2])

    _AM_PATH_GPGME_CONFIG_HOST_CHECK

  else

    GPGME_CFLAGS=""

    GPGME_LIBS=""

    AC_MSG_RESULT(no)

    ifelse([$3], , :, [$3])

  fi

  AC_SUBST(GPGME_CFLAGS)

  AC_SUBST(GPGME_LIBS)

])

dnl AM_PATH_GPGME_PTHREAD([MINIMUM-VERSION,

dnl                       [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])

dnl Test for libgpgme and define GPGME_PTHREAD_CFLAGS

dnl  and GPGME_PTHREAD_LIBS.

dnl

AC_DEFUN([AM_PATH_GPGME_PTHREAD],

[ AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl

  tmp=ifelse([$1], ,1:0.4.2,$1)

  if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then

     req_gpgme_api=`echo "$tmp"     | sed 's/\(.*\):\(.*\)/\1/'`

     min_gpgme_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'`

  else

     req_gpgme_api=0

     min_gpgme_version="$tmp"

  fi

  AC_MSG_CHECKING(for GPGME pthread - version >= $min_gpgme_version)

  ok=no

  if test "$GPGME_CONFIG" != "no" ; then

    if `$GPGME_CONFIG --thread=pthread 2> /dev/null` ; then

      req_major=`echo $min_gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`

      req_minor=`echo $min_gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`

      req_micro=`echo $min_gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`

      if test "$gpgme_version_major" -gt "$req_major"; then

        ok=yes

      else

        if test "$gpgme_version_major" -eq "$req_major"; then

          if test "$gpgme_version_minor" -gt "$req_minor"; then

            ok=yes

          else

            if test "$gpgme_version_minor" -eq "$req_minor"; then

              if test "$gpgme_version_micro" -ge "$req_micro"; then

                ok=yes

              fi

            fi

          fi

        fi

      fi

    fi

  fi

  if test $ok = yes; then

     # If we have a recent GPGME, we should also check that the

     # API is compatible.

     if test "$req_gpgme_api" -gt 0 ; then

        tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0`

        if test "$tmp" -gt 0 ; then

           if test "$req_gpgme_api" -ne "$tmp" ; then

             ok=no

           fi

        fi

     fi

  fi

  if test $ok = yes; then

    GPGME_PTHREAD_CFLAGS=`$GPGME_CONFIG --thread=pthread --cflags`

    GPGME_PTHREAD_LIBS=`$GPGME_CONFIG --thread=pthread --libs`

    AC_MSG_RESULT(yes)

    ifelse([$2], , :, [$2])

    _AM_PATH_GPGME_CONFIG_HOST_CHECK

  else

    GPGME_PTHREAD_CFLAGS=""

    GPGME_PTHREAD_LIBS=""

    AC_MSG_RESULT(no)

    ifelse([$3], , :, [$3])

  fi

  AC_SUBST(GPGME_PTHREAD_CFLAGS)

  AC_SUBST(GPGME_PTHREAD_LIBS)

])

dnl AM_PATH_GPGME_GLIB([MINIMUM-VERSION,

dnl               [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])

dnl Test for libgpgme-glib and define GPGME_GLIB_CFLAGS and GPGME_GLIB_LIBS.

dnl

AC_DEFUN([AM_PATH_GPGME_GLIB],

[ AC_REQUIRE([_AM_PATH_GPGME_CONFIG])dnl

  tmp=ifelse([$1], ,1:0.4.2,$1)

  if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then

     req_gpgme_api=`echo "$tmp"     | sed 's/\(.*\):\(.*\)/\1/'`

     min_gpgme_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'`

  else

     req_gpgme_api=0

     min_gpgme_version="$tmp"

  fi

  AC_MSG_CHECKING(for GPGME - version >= $min_gpgme_version)

  ok=no

  if test "$GPGME_CONFIG" != "no" ; then

    req_major=`echo $min_gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`

    req_minor=`echo $min_gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`

    req_micro=`echo $min_gpgme_version | \

               sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`

    if test "$gpgme_version_major" -gt "$req_major"; then

        ok=yes

    else

        if test "$gpgme_version_major" -eq "$req_major"; then

            if test "$gpgme_version_minor" -gt "$req_minor"; then

               ok=yes

            else

               if test "$gpgme_version_minor" -eq "$req_minor"; then

                   if test "$gpgme_version_micro" -ge "$req_micro"; then

                     ok=yes

                   fi

               fi

            fi

        fi

    fi

  fi

  if test $ok = yes; then

     # If we have a recent GPGME, we should also check that the

     # API is compatible.

     if test "$req_gpgme_api" -gt 0 ; then

        tmp=`$GPGME_CONFIG --api-version 2>/dev/null || echo 0`

        if test "$tmp" -gt 0 ; then

           if test "$req_gpgme_api" -ne "$tmp" ; then

             ok=no

           fi

        fi

     fi

  fi

  if test $ok = yes; then

    GPGME_GLIB_CFLAGS=`$GPGME_CONFIG --glib --cflags`

    GPGME_GLIB_LIBS=`$GPGME_CONFIG --glib --libs`

    AC_MSG_RESULT(yes)

    ifelse([$2], , :, [$2])

    _AM_PATH_GPGME_CONFIG_HOST_CHECK

  else

    GPGME_GLIB_CFLAGS=""

    GPGME_GLIB_LIBS=""

    AC_MSG_RESULT(no)

    ifelse([$3], , :, [$3])

  fi

  AC_SUBST(GPGME_GLIB_CFLAGS)

  AC_SUBST(GPGME_GLIB_LIBS)

])