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Diffstat (limited to 'm4/ntbtls.m4')
| -rw-r--r-- | m4/ntbtls.m4 | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/m4/ntbtls.m4 b/m4/ntbtls.m4 new file mode 100644 index 0000000..55de483 --- /dev/null +++ b/m4/ntbtls.m4 @@ -0,0 +1,163 @@ +dnl Autoconf macros for NTBTLS +dnl Copyright (C) 2002, 2004, 2011 Free Software Foundation, Inc. +dnl +dnl This file is free software; as a special exception the author gives +dnl unlimited permission to copy and/or distribute it, with or without +dnl modifications, as long as this notice is preserved. +dnl +dnl This file is distributed in the hope that it will be useful, but +dnl WITHOUT ANY WARRANTY, to the extent permitted by law; without even the +dnl implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +dnl +dnl Last-changed: 2020-11-18 + + +dnl AM_PATH_NTBTLS([MINIMUM-VERSION, +dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) +dnl +dnl Test for NTBTLS and define NTBTLS_CFLAGS and NTBTLS_LIBS. +dnl MINIMUN-VERSION is a string with the version number optionalliy prefixed +dnl with the API version to also check the API compatibility. Example: +dnl a MINIMUN-VERSION of 1:1.2.5 won't pass the test unless the installed +dnl version of libgcrypt is at least 1.2.5 *and* the API number is 1. Using +dnl this features allows to prevent build against newer versions of libgcrypt +dnl with a changed API. +dnl +AC_DEFUN([AM_PATH_NTBTLS], +[ AC_REQUIRE([AC_CANONICAL_HOST]) + AC_ARG_WITH(ntbtls-prefix, + AS_HELP_STRING([--with-ntbtls-prefix=PFX], + [prefix where NTBTLS is installed (optional)]), + ntbtls_config_prefix="$withval", ntbtls_config_prefix="") + if test x"${NTBTLS_CONFIG}" = x ; then + if test x"${ntbtls_config_prefix}" != x ; then + NTBTLS_CONFIG="${ntbtls_config_prefix}/bin/ntbtls-config" + fi + fi + + use_gpgrt_config="" + if test x"${NTBTLS_CONFIG}" = x -a x"$GPGRT_CONFIG" != x -a "$GPGRT_CONFIG" != "no"; then + if $GPGRT_CONFIG ntbtls --exists; then + NTBTLS_CONFIG="$GPGRT_CONFIG ntbtls" + AC_MSG_NOTICE([Use gpgrt-config as ntbtls-config]) + use_gpgrt_config=yes + fi + fi + if test -z "$use_gpgrt_config"; then + if test x"${NTBTLS_CONFIG}" = x ; then + case "${SYSROOT}" in + /*) + if test -x "${SYSROOT}/bin/ntbtls-config" ; then + NTBTLS_CONFIG="${SYSROOT}/bin/ntbtls-config" + fi + ;; + '') + ;; + *) + AC_MSG_WARN([Ignoring \$SYSROOT as it is not an absolute path.]) + ;; + esac + fi + AC_PATH_PROG(NTBTLS_CONFIG, ntbtls-config, no) + fi + + tmp=ifelse([$1], ,1:1.0.0,$1) + if echo "$tmp" | grep ':' >/dev/null 2>/dev/null ; then + req_ntbtls_api=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\1/'` + min_ntbtls_version=`echo "$tmp" | sed 's/\(.*\):\(.*\)/\2/'` + else + req_ntbtls_api=0 + min_ntbtls_version="$tmp" + fi + + AC_MSG_CHECKING(for NTBTLS - version >= $min_ntbtls_version) + ok=no + if test "$NTBTLS_CONFIG" != "no" ; then + req_major=`echo $min_ntbtls_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'` + req_minor=`echo $min_ntbtls_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'` + req_micro=`echo $min_ntbtls_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'` + if test -z "$use_gpgrt_config"; then + ntbtls_config_version=`$NTBTLS_CONFIG --version` + else + ntbtls_config_version=`$NTBTLS_CONFIG --modversion` + fi + major=`echo $ntbtls_config_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'` + minor=`echo $ntbtls_config_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'` + micro=`echo $ntbtls_config_version | \ + sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'` + if test "$major" -gt "$req_major"; then + ok=yes + else + if test "$major" -eq "$req_major"; then + if test "$minor" -gt "$req_minor"; then + ok=yes + else + if test "$minor" -eq "$req_minor"; then + if test "$micro" -ge "$req_micro"; then + ok=yes + fi + fi + fi + fi + fi + fi + if test $ok = yes; then + AC_MSG_RESULT([yes ($ntbtls_config_version)]) + else + AC_MSG_RESULT(no) + fi + if test $ok = yes; then + # If we have a recent ntbtls, we should also check that the + # API is compatible + if test "$req_ntbtls_api" -gt 0 ; then + if test -z "$use_gpgrt_config"; then + tmp=`$NTBTLS_CONFIG --api-version 2>/dev/null || echo 0` + else + tmp=`$NTBTLS_CONFIG --variable=api_version 2>/dev/null || echo 0` + fi + if test "$tmp" -gt 0 ; then + AC_MSG_CHECKING([NTBTLS API version]) + if test "$req_ntbtls_api" -eq "$tmp" ; then + AC_MSG_RESULT([okay]) + else + ok=no + AC_MSG_RESULT([does not match. want=$req_ntbtls_api got=$tmp]) + fi + fi + fi + fi + if test $ok = yes; then + NTBTLS_CFLAGS=`$NTBTLS_CONFIG --cflags` + NTBTLS_LIBS=`$NTBTLS_CONFIG --libs` + ifelse([$2], , :, [$2]) + if test -z "$use_gpgrt_config"; then + ntbtls_config_host=`$NTBTLS_CONFIG --host 2>/dev/null || echo none` + else + ntbtls_config_host=`$NTBTLS_CONFIG --variable=host 2>/dev/null || echo none` + fi + if test x"$ntbtls_config_host" != xnone ; then + if test x"$ntbtls_config_host" != x"$host" ; then + AC_MSG_WARN([[ +*** +*** The config script "$NTBTLS_CONFIG" was +*** built for $ntbtls_config_host and thus may not match the +*** used host $host. +*** You may want to use the configure option --with-ntbtls-prefix +*** to specify a matching config script or use \$SYSROOT. +***]]) + gpg_config_script_warn="$gpg_config_script_warn ntbtls" + fi + fi + else + NTBTLS_CFLAGS="" + NTBTLS_LIBS="" + ifelse([$3], , :, [$3]) + fi + AC_SUBST(NTBTLS_CFLAGS) + AC_SUBST(NTBTLS_LIBS) +]) |