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110 lines
3.9 KiB
Plaintext
110 lines
3.9 KiB
Plaintext
# ksba.m4 - autoconf macro to detect ksba
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# Copyright (C) 2002 g10 Code GmbH
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#
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# This file is free software; as a special exception the author gives
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# unlimited permission to copy and/or distribute it, with or without
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# modifications, as long as this notice is preserved.
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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dnl AM_PATH_KSBA([MINIMUM-VERSION,
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dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
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dnl Test for libksba and define KSBA_CFLAGS and KSBA_LIBS
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dnl MINIMUN-VERSION is a string with the version number optionalliy prefixed
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dnl with the API version to also check the API compatibility. Example:
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dnl a MINIMUN-VERSION of 1:1.0.7 won't pass the test unless the installed
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dnl version of libksba is at least 1.0.7 *and* the API number is 1. Using
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dnl this features allows to prevent build against newer versions of libksba
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dnl with a changed API.
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dnl
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AC_DEFUN([AM_PATH_KSBA],
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[ AC_ARG_WITH(ksba-prefix,
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AC_HELP_STRING([--with-ksba-prefix=PFX],
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[prefix where KSBA is installed (optional)]),
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ksba_config_prefix="$withval", ksba_config_prefix="")
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if test x$ksba_config_prefix != x ; then
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ksba_config_args="$ksba_config_args --prefix=$ksba_config_prefix"
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if test x${KSBA_CONFIG+set} != xset ; then
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KSBA_CONFIG=$ksba_config_prefix/bin/ksba-config
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fi
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fi
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AC_PATH_PROG(KSBA_CONFIG, ksba-config, no)
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tmp=ifelse([$1], ,1:1.0.0,$1)
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if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then
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req_ksba_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'`
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min_ksba_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'`
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else
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req_ksba_api=0
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min_ksba_version="$tmp"
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fi
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AC_MSG_CHECKING(for KSBA - version >= $min_ksba_version)
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ok=no
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if test "$KSBA_CONFIG" != "no" ; then
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req_major=`echo $min_ksba_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
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req_minor=`echo $min_ksba_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
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req_micro=`echo $min_ksba_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
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ksba_config_version=`$KSBA_CONFIG $ksba_config_args --version`
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major=`echo $ksba_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
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minor=`echo $ksba_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
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micro=`echo $ksba_config_version | \
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sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
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if test "$major" -gt "$req_major"; then
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ok=yes
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else
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if test "$major" -eq "$req_major"; then
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if test "$minor" -gt "$req_minor"; then
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ok=yes
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else
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if test "$minor" -eq "$req_minor"; then
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if test "$micro" -ge "$req_micro"; then
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ok=yes
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fi
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fi
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fi
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fi
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fi
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fi
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if test $ok = yes; then
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi
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if test $ok = yes; then
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# Even if we have a recent libksba, we should check that the
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# API is compatible.
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if test "$req_ksba_api" -gt 0 ; then
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tmp=`$KSBA_CONFIG --api-version 2>/dev/null || echo 0`
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if test "$tmp" -gt 0 ; then
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AC_MSG_CHECKING([KSBA API version])
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if test "$req_ksba_api" -eq "$tmp" ; then
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AC_MSG_RESULT(okay)
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else
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ok=no
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AC_MSG_RESULT([does not match. want=$req_ksba_api got=$tmp.])
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fi
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fi
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fi
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fi
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if test $ok = yes; then
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KSBA_CFLAGS=`$KSBA_CONFIG $ksba_config_args --cflags`
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KSBA_LIBS=`$KSBA_CONFIG $ksba_config_args --libs`
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ifelse([$2], , :, [$2])
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else
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KSBA_CFLAGS=""
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KSBA_LIBS=""
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ifelse([$3], , :, [$3])
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fi
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AC_SUBST(KSBA_CFLAGS)
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AC_SUBST(KSBA_LIBS)
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])
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